./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test11_1.i --full-output --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 264dba86 Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test11_1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ac205ef89a28814c553e9a519c996fc887772dd9 --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-264dba8 [2019-11-21 11:02:00,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-21 11:02:00,576 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-21 11:02:00,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-21 11:02:00,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-21 11:02:00,589 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-21 11:02:00,591 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-21 11:02:00,593 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-21 11:02:00,595 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-21 11:02:00,596 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-21 11:02:00,597 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-21 11:02:00,599 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-21 11:02:00,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-21 11:02:00,600 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-21 11:02:00,601 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-21 11:02:00,603 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-21 11:02:00,604 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-21 11:02:00,605 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-21 11:02:00,607 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-21 11:02:00,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-21 11:02:00,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-21 11:02:00,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-21 11:02:00,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-21 11:02:00,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-21 11:02:00,618 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-21 11:02:00,618 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-21 11:02:00,619 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-21 11:02:00,620 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-21 11:02:00,620 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-21 11:02:00,621 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-21 11:02:00,622 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-21 11:02:00,622 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-21 11:02:00,623 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-21 11:02:00,624 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-21 11:02:00,626 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-21 11:02:00,626 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-21 11:02:00,627 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-21 11:02:00,627 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-21 11:02:00,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-21 11:02:00,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-21 11:02:00,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-21 11:02:00,630 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-21 11:02:00,645 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-21 11:02:00,645 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-21 11:02:00,647 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-21 11:02:00,647 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-21 11:02:00,647 INFO L138 SettingsManager]: * Use SBE=true [2019-11-21 11:02:00,648 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-21 11:02:00,648 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-21 11:02:00,648 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-21 11:02:00,648 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-21 11:02:00,649 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-21 11:02:00,649 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-21 11:02:00,649 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-21 11:02:00,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-21 11:02:00,650 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-21 11:02:00,650 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-21 11:02:00,650 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-21 11:02:00,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-21 11:02:00,651 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-21 11:02:00,651 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-21 11:02:00,651 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-21 11:02:00,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-21 11:02:00,652 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-21 11:02:00,652 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-21 11:02:00,653 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-21 11:02:00,653 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-21 11:02:00,653 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-21 11:02:00,653 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac205ef89a28814c553e9a519c996fc887772dd9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-21 11:02:00,990 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-21 11:02:01,016 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-21 11:02:01,020 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-21 11:02:01,021 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-21 11:02:01,022 INFO L275 PluginConnector]: CDTParser initialized [2019-11-21 11:02:01,023 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test11_1.i [2019-11-21 11:02:01,097 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a710bf89/c104abdf923848b29a1877a9cb992aab/FLAG3154fb040 [2019-11-21 11:02:01,683 INFO L306 CDTParser]: Found 1 translation units. [2019-11-21 11:02:01,684 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test11_1.i [2019-11-21 11:02:01,707 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a710bf89/c104abdf923848b29a1877a9cb992aab/FLAG3154fb040 [2019-11-21 11:02:01,890 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a710bf89/c104abdf923848b29a1877a9cb992aab [2019-11-21 11:02:01,894 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-21 11:02:01,896 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-21 11:02:01,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-21 11:02:01,898 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-21 11:02:01,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-21 11:02:01,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:02:01" (1/1) ... [2019-11-21 11:02:01,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c53792d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:01, skipping insertion in model container [2019-11-21 11:02:01,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:02:01" (1/1) ... [2019-11-21 11:02:01,914 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-21 11:02:01,965 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-21 11:02:02,405 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 11:02:02,408 INFO L969 CHandler]: at location: C: (struct ldv_msg*)ldv_malloc(sizeof(struct ldv_msg)) [577] [2019-11-21 11:02:02,408 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:02:02,422 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 11:02:02,423 INFO L969 CHandler]: at location: C: (typeof(*msg) *)( (char *)__mptr - ((size_t) &((typeof(*msg) *)0)->list) ) [608] [2019-11-21 11:02:02,423 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:02:02,425 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 11:02:02,426 INFO L969 CHandler]: at location: C: (typeof(*(msg)) *)( (char *)__mptr - ((size_t) &((typeof(*(msg)) *)0)->list) ) [608] [2019-11-21 11:02:02,426 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:02:02,431 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 11:02:02,432 INFO L969 CHandler]: at location: C: (typeof(*(n)) *)( (char *)__mptr - ((size_t) &((typeof(*(n)) *)0)->list) ) [608] [2019-11-21 11:02:02,432 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:02:02,466 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 11:02:02,466 INFO L969 CHandler]: at location: C: (struct ldv_kobject *)( (char *)__mptr - ((size_t) &((struct ldv_kobject *)0)->kref) ) [707] [2019-11-21 11:02:02,467 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:02:02,479 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 11:02:02,480 INFO L969 CHandler]: at location: C: (struct Data11*)ldv_malloc(sizeof(struct Data11)) [787] [2019-11-21 11:02:02,480 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:02:02,483 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 11:02:02,483 INFO L969 CHandler]: at location: C: (struct Data11*)ldv_i2c_get_clientdata(client) [798] [2019-11-21 11:02:02,484 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:02:02,486 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 11:02:02,486 INFO L969 CHandler]: at location: C: (struct ldv_i2c_client *)ldv_malloc(sizeof(struct ldv_i2c_client)) [804] [2019-11-21 11:02:02,487 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:02:02,488 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 11:02:02,488 INFO L969 CHandler]: at location: C: (struct ldv_m88ts2022_config *) ldv_malloc(sizeof(struct ldv_m88ts2022_config)) [806-807] [2019-11-21 11:02:02,488 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:02:02,490 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 11:02:02,490 INFO L969 CHandler]: at location: C: (struct ldv_dvb_frontend *) ldv_malloc(sizeof(struct ldv_dvb_frontend)) [810-811] [2019-11-21 11:02:02,491 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:02:02,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 11:02:02,517 INFO L198 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-21 11:02:02,535 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-21 11:02:02,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 11:02:02,623 INFO L201 MainTranslator]: Completed pre-run [2019-11-21 11:02:02,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 11:02:02,785 INFO L205 MainTranslator]: Completed translation [2019-11-21 11:02:02,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:02 WrapperNode [2019-11-21 11:02:02,786 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-21 11:02:02,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-21 11:02:02,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-21 11:02:02,788 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-21 11:02:02,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:02" (1/1) ... [2019-11-21 11:02:02,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:02" (1/1) ... [2019-11-21 11:02:02,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:02" (1/1) ... [2019-11-21 11:02:02,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:02" (1/1) ... [2019-11-21 11:02:02,891 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:02" (1/1) ... [2019-11-21 11:02:02,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:02" (1/1) ... [2019-11-21 11:02:02,911 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:02" (1/1) ... [2019-11-21 11:02:02,923 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-21 11:02:02,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-21 11:02:02,924 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-21 11:02:02,924 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-21 11:02:02,925 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-21 11:02:02,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-21 11:02:03,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-21 11:02:03,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 11:02:03,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-21 11:02:03,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-21 11:02:03,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-21 11:02:03,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-21 11:02:03,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-21 11:02:03,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-21 11:02:03,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-21 11:02:03,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-21 11:02:03,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-21 11:02:03,003 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-21 11:02:03,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-21 11:02:03,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-21 11:02:03,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-21 11:02:03,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-21 11:02:03,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-21 11:02:03,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-21 11:02:03,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-21 11:02:03,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-21 11:02:03,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-21 11:02:03,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-21 11:02:03,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-21 11:02:03,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-21 11:02:03,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-21 11:02:03,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-21 11:02:03,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-21 11:02:03,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-21 11:02:03,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-21 11:02:03,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-21 11:02:03,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-21 11:02:03,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-21 11:02:03,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-21 11:02:03,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-21 11:02:03,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-21 11:02:03,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-21 11:02:03,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-21 11:02:03,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-21 11:02:03,012 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-21 11:02:03,012 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-21 11:02:03,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_i2c_get_clientdata [2019-11-21 11:02:03,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_i2c_set_clientdata [2019-11-21 11:02:03,016 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_2_11 [2019-11-21 11:02:03,016 INFO L138 BoogieDeclarations]: Found implementation of procedure free_11 [2019-11-21 11:02:03,016 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-21 11:02:03,017 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-21 11:02:03,017 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-21 11:02:03,017 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-21 11:02:03,019 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-21 11:02:03,019 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-21 11:02:03,019 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-21 11:02:03,020 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-21 11:02:03,020 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-21 11:02:03,020 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-21 11:02:03,020 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-21 11:02:03,021 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-21 11:02:03,021 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-21 11:02:03,022 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-21 11:02:03,022 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-21 11:02:03,022 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-21 11:02:03,022 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-21 11:02:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-21 11:02:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-21 11:02:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-21 11:02:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-21 11:02:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-21 11:02:03,024 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-21 11:02:03,024 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-21 11:02:03,024 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-21 11:02:03,024 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-21 11:02:03,025 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-21 11:02:03,025 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-21 11:02:03,025 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-21 11:02:03,025 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-21 11:02:03,026 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-21 11:02:03,026 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-21 11:02:03,026 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-21 11:02:03,026 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-21 11:02:03,026 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-21 11:02:03,027 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-21 11:02:03,027 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-21 11:02:03,027 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-21 11:02:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-21 11:02:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-21 11:02:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-21 11:02:03,029 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-21 11:02:03,029 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-21 11:02:03,029 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-21 11:02:03,029 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-21 11:02:03,030 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-21 11:02:03,030 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-21 11:02:03,030 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-21 11:02:03,030 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-21 11:02:03,031 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-21 11:02:03,031 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-21 11:02:03,031 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-21 11:02:03,031 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-21 11:02:03,032 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-21 11:02:03,033 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-21 11:02:03,037 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-21 11:02:03,037 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-21 11:02:03,038 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-21 11:02:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-21 11:02:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-21 11:02:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-21 11:02:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-21 11:02:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-21 11:02:03,040 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-21 11:02:03,040 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-21 11:02:03,040 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-21 11:02:03,040 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-21 11:02:03,041 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-21 11:02:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-21 11:02:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-21 11:02:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-21 11:02:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-21 11:02:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-21 11:02:03,051 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-21 11:02:03,051 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-21 11:02:03,051 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-21 11:02:03,051 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-21 11:02:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-21 11:02:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-21 11:02:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-21 11:02:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-21 11:02:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-21 11:02:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-21 11:02:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-21 11:02:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-21 11:02:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-21 11:02:03,054 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-21 11:02:03,054 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-21 11:02:03,054 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-21 11:02:03,054 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-21 11:02:03,054 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-21 11:02:03,055 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-21 11:02:03,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-21 11:02:03,055 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-21 11:02:03,055 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-21 11:02:03,055 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-21 11:02:03,056 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-21 11:02:03,056 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-21 11:02:03,056 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-21 11:02:03,056 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-21 11:02:03,056 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-21 11:02:03,057 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-21 11:02:03,057 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-21 11:02:03,057 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-21 11:02:03,057 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-21 11:02:03,057 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-21 11:02:03,058 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-21 11:02:03,058 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-21 11:02:03,058 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-21 11:02:03,058 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-21 11:02:03,058 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-21 11:02:03,059 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-21 11:02:03,059 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-21 11:02:03,059 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-21 11:02:03,059 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-21 11:02:03,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-21 11:02:03,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-21 11:02:03,060 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-21 11:02:03,060 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-21 11:02:03,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-21 11:02:03,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-21 11:02:03,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-21 11:02:03,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-21 11:02:03,061 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-21 11:02:03,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-21 11:02:03,062 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-21 11:02:03,062 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-21 11:02:03,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-21 11:02:03,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-21 11:02:03,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-21 11:02:03,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-21 11:02:03,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-21 11:02:03,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-21 11:02:03,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-21 11:02:03,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-21 11:02:03,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-21 11:02:03,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-21 11:02:03,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-21 11:02:03,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-21 11:02:03,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-21 11:02:03,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-21 11:02:03,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-21 11:02:03,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-21 11:02:03,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-21 11:02:03,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-21 11:02:03,068 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 11:02:03,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-21 11:02:03,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-21 11:02:03,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-21 11:02:03,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-21 11:02:03,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-21 11:02:03,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-21 11:02:03,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-21 11:02:03,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-21 11:02:03,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-21 11:02:03,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-21 11:02:03,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-21 11:02:03,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-21 11:02:03,070 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-21 11:02:03,070 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-21 11:02:03,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_i2c_get_clientdata [2019-11-21 11:02:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_i2c_set_clientdata [2019-11-21 11:02:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_2_11 [2019-11-21 11:02:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure free_11 [2019-11-21 11:02:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-21 11:02:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-21 11:02:03,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-21 11:02:03,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-21 11:02:03,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-21 11:02:03,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-21 11:02:03,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-21 11:02:03,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-21 11:02:03,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-21 11:02:03,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-21 11:02:03,782 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 11:02:04,205 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 11:02:04,785 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-21 11:02:04,786 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-21 11:02:04,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:02:04 BoogieIcfgContainer [2019-11-21 11:02:04,788 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-21 11:02:04,790 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-21 11:02:04,792 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-21 11:02:04,802 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-21 11:02:04,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 11:02:01" (1/3) ... [2019-11-21 11:02:04,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45474c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:02:04, skipping insertion in model container [2019-11-21 11:02:04,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:02" (2/3) ... [2019-11-21 11:02:04,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45474c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:02:04, skipping insertion in model container [2019-11-21 11:02:04,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:02:04" (3/3) ... [2019-11-21 11:02:04,807 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test11_1.i [2019-11-21 11:02:04,820 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-21 11:02:04,836 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 96 error locations. [2019-11-21 11:02:04,853 INFO L249 AbstractCegarLoop]: Starting to check reachability of 96 error locations. [2019-11-21 11:02:04,890 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-21 11:02:04,890 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-21 11:02:04,891 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-21 11:02:04,891 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-21 11:02:04,897 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-21 11:02:04,897 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-21 11:02:04,897 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-21 11:02:04,897 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-21 11:02:04,929 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states. [2019-11-21 11:02:04,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-21 11:02:04,945 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:02:04,946 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:02:04,952 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, alloc_2_11Err5REQUIRES_VIOLATION, alloc_2_11Err0REQUIRES_VIOLATION, alloc_2_11Err8ASSERT_VIOLATIONMEMORY_FREE, alloc_2_11Err1REQUIRES_VIOLATION, alloc_2_11Err2REQUIRES_VIOLATION, alloc_2_11Err7ASSERT_VIOLATIONMEMORY_FREE, alloc_2_11Err3REQUIRES_VIOLATION, alloc_2_11Err4REQUIRES_VIOLATION, alloc_2_11Err6ASSERT_VIOLATIONMEMORY_FREE, free_11Err0ASSERT_VIOLATIONMEMORY_FREE, free_11Err1ASSERT_VIOLATIONMEMORY_FREE, free_11Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 11:02:04,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:02:04,959 INFO L82 PathProgramCache]: Analyzing trace with hash -1480943629, now seen corresponding path program 1 times [2019-11-21 11:02:04,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:02:04,972 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1285578209] [2019-11-21 11:02:04,972 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:02:05,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:02:05,299 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 11:02:05,306 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:02:05,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:02:05,354 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:02:05,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:02:05,450 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1285578209] [2019-11-21 11:02:05,451 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:02:05,452 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-21 11:02:05,452 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213129614] [2019-11-21 11:02:05,462 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 11:02:05,462 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:02:05,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 11:02:05,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 11:02:05,483 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 5 states. [2019-11-21 11:02:05,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:02:05,668 INFO L93 Difference]: Finished difference Result 151 states and 172 transitions. [2019-11-21 11:02:05,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 11:02:05,671 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-11-21 11:02:05,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:02:05,692 INFO L225 Difference]: With dead ends: 151 [2019-11-21 11:02:05,692 INFO L226 Difference]: Without dead ends: 148 [2019-11-21 11:02:05,695 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 11:02:05,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2019-11-21 11:02:05,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 114. [2019-11-21 11:02:05,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-11-21 11:02:05,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 126 transitions. [2019-11-21 11:02:05,797 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 126 transitions. Word has length 16 [2019-11-21 11:02:05,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:02:05,799 INFO L462 AbstractCegarLoop]: Abstraction has 114 states and 126 transitions. [2019-11-21 11:02:05,799 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 11:02:05,799 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 126 transitions. [2019-11-21 11:02:05,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-21 11:02:05,801 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:02:05,801 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:02:06,006 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:02:06,007 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, alloc_2_11Err5REQUIRES_VIOLATION, alloc_2_11Err0REQUIRES_VIOLATION, alloc_2_11Err8ASSERT_VIOLATIONMEMORY_FREE, alloc_2_11Err1REQUIRES_VIOLATION, alloc_2_11Err2REQUIRES_VIOLATION, alloc_2_11Err7ASSERT_VIOLATIONMEMORY_FREE, alloc_2_11Err3REQUIRES_VIOLATION, alloc_2_11Err4REQUIRES_VIOLATION, alloc_2_11Err6ASSERT_VIOLATIONMEMORY_FREE, free_11Err0ASSERT_VIOLATIONMEMORY_FREE, free_11Err1ASSERT_VIOLATIONMEMORY_FREE, free_11Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 11:02:06,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:02:06,008 INFO L82 PathProgramCache]: Analyzing trace with hash 261866706, now seen corresponding path program 1 times [2019-11-21 11:02:06,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:02:06,009 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1400131010] [2019-11-21 11:02:06,009 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:02:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:02:06,278 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-21 11:02:06,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:02:06,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:02:06,309 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:02:06,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:02:06,393 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1400131010] [2019-11-21 11:02:06,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:02:06,394 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-21 11:02:06,394 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974666228] [2019-11-21 11:02:06,396 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-21 11:02:06,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:02:06,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-21 11:02:06,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-21 11:02:06,397 INFO L87 Difference]: Start difference. First operand 114 states and 126 transitions. Second operand 3 states. [2019-11-21 11:02:06,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:02:06,629 INFO L93 Difference]: Finished difference Result 168 states and 192 transitions. [2019-11-21 11:02:06,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-21 11:02:06,630 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-11-21 11:02:06,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:02:06,632 INFO L225 Difference]: With dead ends: 168 [2019-11-21 11:02:06,632 INFO L226 Difference]: Without dead ends: 165 [2019-11-21 11:02:06,633 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-21 11:02:06,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2019-11-21 11:02:06,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 110. [2019-11-21 11:02:06,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-11-21 11:02:06,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 118 transitions. [2019-11-21 11:02:06,652 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 118 transitions. Word has length 16 [2019-11-21 11:02:06,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:02:06,652 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 118 transitions. [2019-11-21 11:02:06,653 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-21 11:02:06,653 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 118 transitions. [2019-11-21 11:02:06,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-21 11:02:06,654 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:02:06,654 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:02:06,857 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:02:06,858 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, alloc_2_11Err5REQUIRES_VIOLATION, alloc_2_11Err0REQUIRES_VIOLATION, alloc_2_11Err8ASSERT_VIOLATIONMEMORY_FREE, alloc_2_11Err1REQUIRES_VIOLATION, alloc_2_11Err2REQUIRES_VIOLATION, alloc_2_11Err7ASSERT_VIOLATIONMEMORY_FREE, alloc_2_11Err3REQUIRES_VIOLATION, alloc_2_11Err4REQUIRES_VIOLATION, alloc_2_11Err6ASSERT_VIOLATIONMEMORY_FREE, free_11Err0ASSERT_VIOLATIONMEMORY_FREE, free_11Err1ASSERT_VIOLATIONMEMORY_FREE, free_11Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 11:02:06,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:02:06,858 INFO L82 PathProgramCache]: Analyzing trace with hash 2012202911, now seen corresponding path program 1 times [2019-11-21 11:02:06,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:02:06,859 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1674429193] [2019-11-21 11:02:06,859 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:02:07,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:02:07,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 11:02:07,110 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:02:07,126 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-21 11:02:07,126 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:02:07,167 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-21 11:02:07,167 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1674429193] [2019-11-21 11:02:07,167 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-21 11:02:07,167 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2019-11-21 11:02:07,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007414236] [2019-11-21 11:02:07,168 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 11:02:07,168 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:02:07,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 11:02:07,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 11:02:07,169 INFO L87 Difference]: Start difference. First operand 110 states and 118 transitions. Second operand 5 states. [2019-11-21 11:02:07,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:02:07,205 INFO L93 Difference]: Finished difference Result 109 states and 117 transitions. [2019-11-21 11:02:07,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 11:02:07,209 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2019-11-21 11:02:07,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:02:07,210 INFO L225 Difference]: With dead ends: 109 [2019-11-21 11:02:07,211 INFO L226 Difference]: Without dead ends: 109 [2019-11-21 11:02:07,211 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 11:02:07,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-11-21 11:02:07,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2019-11-21 11:02:07,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-11-21 11:02:07,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 117 transitions. [2019-11-21 11:02:07,219 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 117 transitions. Word has length 21 [2019-11-21 11:02:07,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:02:07,219 INFO L462 AbstractCegarLoop]: Abstraction has 109 states and 117 transitions. [2019-11-21 11:02:07,220 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 11:02:07,222 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 117 transitions. [2019-11-21 11:02:07,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-21 11:02:07,223 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:02:07,223 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:02:07,433 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:02:07,434 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, alloc_2_11Err5REQUIRES_VIOLATION, alloc_2_11Err0REQUIRES_VIOLATION, alloc_2_11Err8ASSERT_VIOLATIONMEMORY_FREE, alloc_2_11Err1REQUIRES_VIOLATION, alloc_2_11Err2REQUIRES_VIOLATION, alloc_2_11Err7ASSERT_VIOLATIONMEMORY_FREE, alloc_2_11Err3REQUIRES_VIOLATION, alloc_2_11Err4REQUIRES_VIOLATION, alloc_2_11Err6ASSERT_VIOLATIONMEMORY_FREE, free_11Err0ASSERT_VIOLATIONMEMORY_FREE, free_11Err1ASSERT_VIOLATIONMEMORY_FREE, free_11Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 11:02:07,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:02:07,435 INFO L82 PathProgramCache]: Analyzing trace with hash 2012202945, now seen corresponding path program 1 times [2019-11-21 11:02:07,435 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:02:07,436 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1798282797] [2019-11-21 11:02:07,436 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:02:07,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:02:07,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-21 11:02:07,737 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:02:07,797 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-21 11:02:07,797 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:02:07,812 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:02:07,819 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-21 11:02:07,819 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 11:02:07,830 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:02:07,830 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 11:02:07,830 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-11-21 11:02:10,013 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-21 11:02:10,018 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-11-21 11:02:10,019 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:02:10,035 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:02:10,049 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:02:10,049 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2019-11-21 11:02:10,050 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 11:02:10,071 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:02:10,072 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 11:02:10,073 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:27, output treesize:9 [2019-11-21 11:02:10,122 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:02:10,123 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:02:10,256 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 11:02:12,429 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:02:12,429 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:02:12,430 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 11:02:12,432 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 11:02:12,435 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:02:12,435 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 11:02:12,437 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 11:02:15,316 WARN L192 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 32 [2019-11-21 11:02:15,324 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:02:16,100 INFO L392 ElimStorePlain]: Different costs {1=[|#valid|], 2=[|#length|]} [2019-11-21 11:02:16,115 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-21 11:02:16,115 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:02:16,129 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:02:16,132 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-21 11:02:16,133 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 11:02:16,144 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:02:16,145 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 11:02:16,145 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:25, output treesize:8 [2019-11-21 11:02:16,238 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:02:16,239 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1798282797] [2019-11-21 11:02:16,239 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-21 11:02:16,239 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2019-11-21 11:02:16,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071440276] [2019-11-21 11:02:16,240 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-21 11:02:16,240 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:02:16,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-21 11:02:16,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=199, Unknown=4, NotChecked=0, Total=240 [2019-11-21 11:02:16,241 INFO L87 Difference]: Start difference. First operand 109 states and 117 transitions. Second operand 16 states. [2019-11-21 11:02:49,506 WARN L192 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 52 DAG size of output: 26 [2019-11-21 11:03:06,264 WARN L192 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 61 DAG size of output: 53 [2019-11-21 11:03:26,617 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 12 [2019-11-21 11:03:45,467 WARN L192 SmtUtils]: Spent 10.34 s on a formula simplification. DAG size of input: 59 DAG size of output: 33 [2019-11-21 11:04:06,935 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2019-11-21 11:04:15,195 WARN L192 SmtUtils]: Spent 8.13 s on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2019-11-21 11:04:30,263 WARN L192 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 46 DAG size of output: 20 [2019-11-21 11:05:13,460 WARN L192 SmtUtils]: Spent 4.18 s on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2019-11-21 11:05:52,754 WARN L192 SmtUtils]: Spent 15.05 s on a formula simplification. DAG size of input: 61 DAG size of output: 53 [2019-11-21 11:09:23,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:09:23,549 INFO L93 Difference]: Finished difference Result 350 states and 406 transitions. [2019-11-21 11:09:23,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-11-21 11:09:23,551 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 21 [2019-11-21 11:09:23,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:09:23,555 INFO L225 Difference]: With dead ends: 350 [2019-11-21 11:09:23,555 INFO L226 Difference]: Without dead ends: 350 [2019-11-21 11:09:23,556 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 26 SyntacticMatches, 5 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 88.7s TimeCoverageRelationStatistics Valid=165, Invalid=810, Unknown=17, NotChecked=0, Total=992 [2019-11-21 11:09:23,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2019-11-21 11:09:23,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 124. [2019-11-21 11:09:23,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-11-21 11:09:23,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 139 transitions. [2019-11-21 11:09:23,579 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 139 transitions. Word has length 21 [2019-11-21 11:09:23,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:09:23,579 INFO L462 AbstractCegarLoop]: Abstraction has 124 states and 139 transitions. [2019-11-21 11:09:23,579 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-21 11:09:23,579 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 139 transitions. [2019-11-21 11:09:23,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-21 11:09:23,580 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:09:23,580 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:09:23,795 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:09:23,796 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, alloc_2_11Err5REQUIRES_VIOLATION, alloc_2_11Err0REQUIRES_VIOLATION, alloc_2_11Err8ASSERT_VIOLATIONMEMORY_FREE, alloc_2_11Err1REQUIRES_VIOLATION, alloc_2_11Err2REQUIRES_VIOLATION, alloc_2_11Err7ASSERT_VIOLATIONMEMORY_FREE, alloc_2_11Err3REQUIRES_VIOLATION, alloc_2_11Err4REQUIRES_VIOLATION, alloc_2_11Err6ASSERT_VIOLATIONMEMORY_FREE, free_11Err0ASSERT_VIOLATIONMEMORY_FREE, free_11Err1ASSERT_VIOLATIONMEMORY_FREE, free_11Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 11:09:23,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:09:23,797 INFO L82 PathProgramCache]: Analyzing trace with hash 1718799938, now seen corresponding path program 1 times [2019-11-21 11:09:23,797 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:09:23,798 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1495276928] [2019-11-21 11:09:23,798 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:09:24,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:09:24,044 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-21 11:09:24,045 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:09:24,072 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:09:24,072 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:09:24,127 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-21 11:09:24,127 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1495276928] [2019-11-21 11:09:24,127 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-21 11:09:24,127 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2019-11-21 11:09:24,127 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361361791] [2019-11-21 11:09:24,128 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 11:09:24,128 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:09:24,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 11:09:24,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 11:09:24,128 INFO L87 Difference]: Start difference. First operand 124 states and 139 transitions. Second operand 5 states. [2019-11-21 11:09:24,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:09:24,157 INFO L93 Difference]: Finished difference Result 118 states and 129 transitions. [2019-11-21 11:09:24,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 11:09:24,157 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2019-11-21 11:09:24,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:09:24,158 INFO L225 Difference]: With dead ends: 118 [2019-11-21 11:09:24,158 INFO L226 Difference]: Without dead ends: 116 [2019-11-21 11:09:24,159 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 11:09:24,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-11-21 11:09:24,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2019-11-21 11:09:24,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-11-21 11:09:24,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 123 transitions. [2019-11-21 11:09:24,168 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 123 transitions. Word has length 21 [2019-11-21 11:09:24,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:09:24,168 INFO L462 AbstractCegarLoop]: Abstraction has 114 states and 123 transitions. [2019-11-21 11:09:24,169 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 11:09:24,169 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 123 transitions. [2019-11-21 11:09:24,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-21 11:09:24,170 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:09:24,170 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:09:24,374 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:09:24,375 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, alloc_2_11Err5REQUIRES_VIOLATION, alloc_2_11Err0REQUIRES_VIOLATION, alloc_2_11Err8ASSERT_VIOLATIONMEMORY_FREE, alloc_2_11Err1REQUIRES_VIOLATION, alloc_2_11Err2REQUIRES_VIOLATION, alloc_2_11Err7ASSERT_VIOLATIONMEMORY_FREE, alloc_2_11Err3REQUIRES_VIOLATION, alloc_2_11Err4REQUIRES_VIOLATION, alloc_2_11Err6ASSERT_VIOLATIONMEMORY_FREE, free_11Err0ASSERT_VIOLATIONMEMORY_FREE, free_11Err1ASSERT_VIOLATIONMEMORY_FREE, free_11Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 11:09:24,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:09:24,375 INFO L82 PathProgramCache]: Analyzing trace with hash -2046218738, now seen corresponding path program 1 times [2019-11-21 11:09:24,376 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:09:24,376 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [506279240] [2019-11-21 11:09:24,377 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:09:24,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:09:24,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 11:09:24,610 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:09:24,643 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-21 11:09:24,644 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:09:24,674 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-21 11:09:24,674 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [506279240] [2019-11-21 11:09:24,674 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:09:24,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-21 11:09:24,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704373898] [2019-11-21 11:09:24,675 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 11:09:24,675 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:09:24,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 11:09:24,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 11:09:24,676 INFO L87 Difference]: Start difference. First operand 114 states and 123 transitions. Second operand 5 states. [2019-11-21 11:09:24,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:09:24,769 INFO L93 Difference]: Finished difference Result 146 states and 163 transitions. [2019-11-21 11:09:24,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 11:09:24,770 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-11-21 11:09:24,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:09:24,771 INFO L225 Difference]: With dead ends: 146 [2019-11-21 11:09:24,771 INFO L226 Difference]: Without dead ends: 146 [2019-11-21 11:09:24,773 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 11:09:24,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-11-21 11:09:24,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 118. [2019-11-21 11:09:24,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-11-21 11:09:24,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 129 transitions. [2019-11-21 11:09:24,796 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 129 transitions. Word has length 22 [2019-11-21 11:09:24,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:09:24,797 INFO L462 AbstractCegarLoop]: Abstraction has 118 states and 129 transitions. [2019-11-21 11:09:24,797 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 11:09:24,797 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 129 transitions. [2019-11-21 11:09:24,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-21 11:09:24,798 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:09:24,798 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:09:25,001 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:09:25,002 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, alloc_2_11Err5REQUIRES_VIOLATION, alloc_2_11Err0REQUIRES_VIOLATION, alloc_2_11Err8ASSERT_VIOLATIONMEMORY_FREE, alloc_2_11Err1REQUIRES_VIOLATION, alloc_2_11Err2REQUIRES_VIOLATION, alloc_2_11Err7ASSERT_VIOLATIONMEMORY_FREE, alloc_2_11Err3REQUIRES_VIOLATION, alloc_2_11Err4REQUIRES_VIOLATION, alloc_2_11Err6ASSERT_VIOLATIONMEMORY_FREE, free_11Err0ASSERT_VIOLATIONMEMORY_FREE, free_11Err1ASSERT_VIOLATIONMEMORY_FREE, free_11Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 11:09:25,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:09:25,003 INFO L82 PathProgramCache]: Analyzing trace with hash -1158715057, now seen corresponding path program 1 times [2019-11-21 11:09:25,003 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:09:25,003 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [2069641121] [2019-11-21 11:09:25,003 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:09:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:09:25,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-21 11:09:25,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:09:25,318 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-21 11:09:25,318 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:09:25,394 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-21 11:09:25,395 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2069641121] [2019-11-21 11:09:25,395 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-21 11:09:25,395 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2019-11-21 11:09:25,395 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559589872] [2019-11-21 11:09:25,397 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-21 11:09:25,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:09:25,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-21 11:09:25,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-21 11:09:25,397 INFO L87 Difference]: Start difference. First operand 118 states and 129 transitions. Second operand 9 states. [2019-11-21 11:09:25,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:09:25,855 INFO L93 Difference]: Finished difference Result 117 states and 127 transitions. [2019-11-21 11:09:25,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-21 11:09:25,856 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2019-11-21 11:09:25,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:09:25,857 INFO L225 Difference]: With dead ends: 117 [2019-11-21 11:09:25,857 INFO L226 Difference]: Without dead ends: 117 [2019-11-21 11:09:25,858 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-21 11:09:25,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2019-11-21 11:09:25,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2019-11-21 11:09:25,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-11-21 11:09:25,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 127 transitions. [2019-11-21 11:09:25,865 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 127 transitions. Word has length 22 [2019-11-21 11:09:25,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:09:25,866 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 127 transitions. [2019-11-21 11:09:25,866 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-21 11:09:25,867 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 127 transitions. [2019-11-21 11:09:25,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-21 11:09:25,868 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:09:25,868 INFO L410 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] [2019-11-21 11:09:26,071 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:09:26,072 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, alloc_2_11Err5REQUIRES_VIOLATION, alloc_2_11Err0REQUIRES_VIOLATION, alloc_2_11Err8ASSERT_VIOLATIONMEMORY_FREE, alloc_2_11Err1REQUIRES_VIOLATION, alloc_2_11Err2REQUIRES_VIOLATION, alloc_2_11Err7ASSERT_VIOLATIONMEMORY_FREE, alloc_2_11Err3REQUIRES_VIOLATION, alloc_2_11Err4REQUIRES_VIOLATION, alloc_2_11Err6ASSERT_VIOLATIONMEMORY_FREE, free_11Err0ASSERT_VIOLATIONMEMORY_FREE, free_11Err1ASSERT_VIOLATIONMEMORY_FREE, free_11Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 11:09:26,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:09:26,072 INFO L82 PathProgramCache]: Analyzing trace with hash 2017833562, now seen corresponding path program 1 times [2019-11-21 11:09:26,072 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:09:26,073 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [376576841] [2019-11-21 11:09:26,073 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:09:26,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:09:26,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-21 11:09:26,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:09:26,351 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:09:26,351 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 37 [2019-11-21 11:09:26,352 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:09:26,369 INFO L567 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2019-11-21 11:09:26,369 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:09:26,370 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-21 11:09:26,371 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:15 [2019-11-21 11:09:26,371 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:09:26,378 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:09:26,390 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:09:26,397 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:09:32,580 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-21 11:09:32,581 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:09:36,965 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:09:36,967 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Alternating quantifiers not yet supported at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:419) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:334) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-21 11:09:36,974 INFO L168 Benchmark]: Toolchain (without parser) took 455078.17 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 299.4 MB). Free memory was 949.6 MB in the beginning and 849.3 MB in the end (delta: 100.4 MB). Peak memory consumption was 399.7 MB. Max. memory is 11.5 GB. [2019-11-21 11:09:36,975 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 11:09:36,975 INFO L168 Benchmark]: CACSL2BoogieTranslator took 889.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -113.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-21 11:09:36,976 INFO L168 Benchmark]: Boogie Preprocessor took 136.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-21 11:09:36,977 INFO L168 Benchmark]: RCFGBuilder took 1864.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 933.8 MB in the end (delta: 122.8 MB). Peak memory consumption was 122.8 MB. Max. memory is 11.5 GB. [2019-11-21 11:09:36,978 INFO L168 Benchmark]: TraceAbstraction took 452182.24 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 183.5 MB). Free memory was 933.8 MB in the beginning and 849.3 MB in the end (delta: 84.6 MB). Peak memory consumption was 268.1 MB. Max. memory is 11.5 GB. [2019-11-21 11:09:36,981 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 889.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -113.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 136.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1864.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 933.8 MB in the end (delta: 122.8 MB). Peak memory consumption was 122.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 452182.24 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 183.5 MB). Free memory was 933.8 MB in the beginning and 849.3 MB in the end (delta: 84.6 MB). Peak memory consumption was 268.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...