./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/reverse_array_alloca_unsafe.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 678e0110 Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_eb5dfc29-f6b8-4c6d-967d-7f20412ad3f5/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_eb5dfc29-f6b8-4c6d-967d-7f20412ad3f5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_eb5dfc29-f6b8-4c6d-967d-7f20412ad3f5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_eb5dfc29-f6b8-4c6d-967d-7f20412ad3f5/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/reverse_array_alloca_unsafe.i -s /tmp/vcloud-vcloud-master/worker/run_dir_eb5dfc29-f6b8-4c6d-967d-7f20412ad3f5/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_eb5dfc29-f6b8-4c6d-967d-7f20412ad3f5/bin/uautomizer --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 32bit --witnessprinter.graph.data.programhash 016c9c68c49c3eaa925dd855e3c8f320ab9c50c9 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref) --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-678e011 [2019-11-20 02:03:16,301 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:03:16,302 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:03:16,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 02:03:16,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 02:03:16,318 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 02:03:16,320 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 02:03:16,328 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 02:03:16,332 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 02:03:16,335 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 02:03:16,336 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 02:03:16,337 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 02:03:16,338 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:03:16,340 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:03:16,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:03:16,342 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:03:16,343 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:03:16,344 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:03:16,346 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:03:16,349 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:03:16,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:03:16,354 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:03:16,356 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:03:16,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:03:16,359 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 02:03:16,359 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 02:03:16,359 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 02:03:16,361 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 02:03:16,361 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 02:03:16,362 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 02:03:16,362 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:03:16,363 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:03:16,363 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:03:16,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:03:16,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:03:16,365 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:03:16,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:03:16,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:03:16,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:03:16,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:03:16,368 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:03:16,368 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_eb5dfc29-f6b8-4c6d-967d-7f20412ad3f5/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-20 02:03:16,391 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:03:16,391 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:03:16,392 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:03:16,392 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:03:16,393 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 02:03:16,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:03:16,393 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 02:03:16,393 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 02:03:16,393 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 02:03:16,393 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 02:03:16,394 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:03:16,394 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-20 02:03:16,394 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-20 02:03:16,394 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-20 02:03:16,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 02:03:16,394 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 02:03:16,395 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 02:03:16,395 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 02:03:16,395 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:03:16,395 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:03:16,395 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 02:03:16,396 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 02:03:16,396 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 02:03:16,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 02:03:16,396 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:03:16,396 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 02:03:16,396 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 02:03:16,397 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 02:03:16,397 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 02:03:16,397 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_eb5dfc29-f6b8-4c6d-967d-7f20412ad3f5/bin/uautomizer 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 016c9c68c49c3eaa925dd855e3c8f320ab9c50c9 [2019-11-20 02:03:16,567 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:03:16,579 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:03:16,582 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:03:16,583 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:03:16,584 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:03:16,585 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_eb5dfc29-f6b8-4c6d-967d-7f20412ad3f5/bin/uautomizer/../../sv-benchmarks/c/array-memsafety/reverse_array_alloca_unsafe.i [2019-11-20 02:03:16,637 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eb5dfc29-f6b8-4c6d-967d-7f20412ad3f5/bin/uautomizer/data/e41af65ba/b00fcf7b23b141298075ba39ee656819/FLAG736358697 [2019-11-20 02:03:17,084 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:03:17,084 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_eb5dfc29-f6b8-4c6d-967d-7f20412ad3f5/sv-benchmarks/c/array-memsafety/reverse_array_alloca_unsafe.i [2019-11-20 02:03:17,109 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eb5dfc29-f6b8-4c6d-967d-7f20412ad3f5/bin/uautomizer/data/e41af65ba/b00fcf7b23b141298075ba39ee656819/FLAG736358697 [2019-11-20 02:03:17,376 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_eb5dfc29-f6b8-4c6d-967d-7f20412ad3f5/bin/uautomizer/data/e41af65ba/b00fcf7b23b141298075ba39ee656819 [2019-11-20 02:03:17,378 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:03:17,380 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-20 02:03:17,380 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:03:17,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:03:17,384 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:03:17,384 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:03:17" (1/1) ... [2019-11-20 02:03:17,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d7b3d16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:17, skipping insertion in model container [2019-11-20 02:03:17,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:03:17" (1/1) ... [2019-11-20 02:03:17,393 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:03:17,443 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:03:17,847 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:03:17,858 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:03:17,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:03:17,960 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:03:17,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:17 WrapperNode [2019-11-20 02:03:17,961 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:03:17,961 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:03:17,961 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:03:17,962 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:03:17,973 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:17" (1/1) ... [2019-11-20 02:03:17,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:17" (1/1) ... [2019-11-20 02:03:17,989 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:17" (1/1) ... [2019-11-20 02:03:17,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:17" (1/1) ... [2019-11-20 02:03:18,006 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:17" (1/1) ... [2019-11-20 02:03:18,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:17" (1/1) ... [2019-11-20 02:03:18,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:17" (1/1) ... [2019-11-20 02:03:18,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:03:18,021 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:03:18,021 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:03:18,021 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:03:18,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eb5dfc29-f6b8-4c6d-967d-7f20412ad3f5/bin/uautomizer/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 [2019-11-20 02:03:18,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-20 02:03:18,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:03:18,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-20 02:03:18,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-20 02:03:18,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-20 02:03:18,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-20 02:03:18,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-20 02:03:18,077 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-20 02:03:18,077 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-20 02:03:18,077 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-20 02:03:18,077 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-20 02:03:18,077 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-20 02:03:18,078 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-20 02:03:18,078 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-20 02:03:18,078 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-20 02:03:18,078 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-20 02:03:18,078 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-20 02:03:18,078 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-20 02:03:18,079 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-20 02:03:18,079 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-20 02:03:18,079 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-20 02:03:18,079 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-20 02:03:18,079 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-20 02:03:18,079 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-20 02:03:18,080 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-20 02:03:18,080 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-20 02:03:18,080 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-20 02:03:18,080 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-20 02:03:18,080 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-20 02:03:18,080 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-20 02:03:18,081 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-20 02:03:18,081 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-20 02:03:18,081 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-20 02:03:18,081 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-20 02:03:18,081 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-20 02:03:18,081 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-20 02:03:18,081 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-20 02:03:18,082 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-20 02:03:18,082 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-20 02:03:18,082 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-20 02:03:18,082 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-20 02:03:18,082 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-20 02:03:18,082 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-20 02:03:18,082 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-20 02:03:18,083 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-20 02:03:18,083 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-20 02:03:18,083 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-20 02:03:18,083 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-20 02:03:18,083 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-20 02:03:18,083 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-20 02:03:18,083 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-20 02:03:18,083 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-20 02:03:18,084 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-20 02:03:18,084 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-20 02:03:18,084 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-20 02:03:18,084 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-20 02:03:18,084 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-20 02:03:18,084 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-20 02:03:18,084 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-20 02:03:18,084 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-20 02:03:18,085 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-20 02:03:18,085 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-20 02:03:18,085 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-20 02:03:18,085 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-20 02:03:18,085 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-20 02:03:18,085 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-20 02:03:18,085 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-20 02:03:18,085 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-20 02:03:18,086 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-20 02:03:18,086 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-20 02:03:18,086 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-20 02:03:18,086 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-20 02:03:18,086 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-20 02:03:18,086 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-20 02:03:18,086 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-20 02:03:18,086 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-20 02:03:18,086 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-20 02:03:18,087 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-20 02:03:18,087 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-20 02:03:18,087 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-20 02:03:18,087 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-20 02:03:18,087 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-20 02:03:18,087 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-20 02:03:18,087 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-20 02:03:18,087 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-20 02:03:18,088 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-20 02:03:18,088 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-20 02:03:18,088 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-20 02:03:18,088 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-20 02:03:18,088 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-20 02:03:18,088 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-20 02:03:18,088 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-20 02:03:18,088 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-20 02:03:18,089 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-20 02:03:18,089 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-20 02:03:18,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-20 02:03:18,089 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-20 02:03:18,089 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-20 02:03:18,089 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-20 02:03:18,089 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-20 02:03:18,089 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-20 02:03:18,089 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-20 02:03:18,090 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-20 02:03:18,090 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-20 02:03:18,090 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-20 02:03:18,090 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-20 02:03:18,090 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-20 02:03:18,090 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-20 02:03:18,090 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-20 02:03:18,090 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-20 02:03:18,091 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-20 02:03:18,091 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-20 02:03:18,091 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-20 02:03:18,091 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-20 02:03:18,091 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-20 02:03:18,091 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-20 02:03:18,091 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-11-20 02:03:18,091 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-20 02:03:18,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 02:03:18,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-20 02:03:18,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 02:03:18,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 02:03:18,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-20 02:03:18,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:03:18,783 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:03:18,783 INFO L285 CfgBuilder]: Removed 3 assume(true) statements. [2019-11-20 02:03:18,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:03:18 BoogieIcfgContainer [2019-11-20 02:03:18,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:03:18,785 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 02:03:18,785 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 02:03:18,793 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 02:03:18,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 02:03:17" (1/3) ... [2019-11-20 02:03:18,797 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2665ebd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:03:18, skipping insertion in model container [2019-11-20 02:03:18,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:17" (2/3) ... [2019-11-20 02:03:18,797 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2665ebd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:03:18, skipping insertion in model container [2019-11-20 02:03:18,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:03:18" (3/3) ... [2019-11-20 02:03:18,799 INFO L109 eAbstractionObserver]: Analyzing ICFG reverse_array_alloca_unsafe.i [2019-11-20 02:03:18,809 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 02:03:18,816 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 23 error locations. [2019-11-20 02:03:18,834 INFO L249 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2019-11-20 02:03:18,853 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 02:03:18,853 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-20 02:03:18,853 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 02:03:18,862 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 02:03:18,864 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 02:03:18,864 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 02:03:18,864 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 02:03:18,864 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 02:03:18,880 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2019-11-20 02:03:18,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 02:03:18,889 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:03:18,890 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:03:18,890 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr22ENSURES_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION]=== [2019-11-20 02:03:18,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:03:18,895 INFO L82 PathProgramCache]: Analyzing trace with hash -1096953401, now seen corresponding path program 1 times [2019-11-20 02:03:18,905 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 02:03:18,905 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [717006754] [2019-11-20 02:03:18,905 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eb5dfc29-f6b8-4c6d-967d-7f20412ad3f5/bin/uautomizer/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 [2019-11-20 02:03:19,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:03:19,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 02:03:19,121 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:03:19,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:03:19,146 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 02:03:19,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:03:19,172 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [717006754] [2019-11-20 02:03:19,172 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:03:19,173 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-11-20 02:03:19,173 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330203697] [2019-11-20 02:03:19,177 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 02:03:19,177 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 02:03:19,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 02:03:19,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 02:03:19,198 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 4 states. [2019-11-20 02:03:19,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:03:19,380 INFO L93 Difference]: Finished difference Result 121 states and 132 transitions. [2019-11-20 02:03:19,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 02:03:19,386 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-11-20 02:03:19,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:03:19,395 INFO L225 Difference]: With dead ends: 121 [2019-11-20 02:03:19,398 INFO L226 Difference]: Without dead ends: 117 [2019-11-20 02:03:19,401 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 02:03:19,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2019-11-20 02:03:19,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 63. [2019-11-20 02:03:19,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-11-20 02:03:19,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 69 transitions. [2019-11-20 02:03:19,452 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 69 transitions. Word has length 11 [2019-11-20 02:03:19,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:03:19,452 INFO L462 AbstractCegarLoop]: Abstraction has 63 states and 69 transitions. [2019-11-20 02:03:19,453 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 02:03:19,453 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 69 transitions. [2019-11-20 02:03:19,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 02:03:19,453 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:03:19,454 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:03:19,657 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 02:03:19,657 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr22ENSURES_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION]=== [2019-11-20 02:03:19,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:03:19,658 INFO L82 PathProgramCache]: Analyzing trace with hash -1096893819, now seen corresponding path program 1 times [2019-11-20 02:03:19,658 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 02:03:19,658 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1570729788] [2019-11-20 02:03:19,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eb5dfc29-f6b8-4c6d-967d-7f20412ad3f5/bin/uautomizer/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 [2019-11-20 02:03:19,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:03:19,839 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 02:03:19,840 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:03:19,912 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 [2019-11-20 02:03:19,912 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 02:03:19,931 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 02:03:19,932 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-20 02:03:19,932 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-11-20 02:03:19,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:03:19,950 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 02:03:20,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:03:20,067 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1570729788] [2019-11-20 02:03:20,067 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:03:20,067 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-11-20 02:03:20,067 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107755379] [2019-11-20 02:03:20,069 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 02:03:20,069 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 02:03:20,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 02:03:20,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-20 02:03:20,069 INFO L87 Difference]: Start difference. First operand 63 states and 69 transitions. Second operand 6 states. [2019-11-20 02:03:20,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:03:20,852 INFO L93 Difference]: Finished difference Result 122 states and 132 transitions. [2019-11-20 02:03:20,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 02:03:20,853 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2019-11-20 02:03:20,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:03:20,854 INFO L225 Difference]: With dead ends: 122 [2019-11-20 02:03:20,854 INFO L226 Difference]: Without dead ends: 122 [2019-11-20 02:03:20,855 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2019-11-20 02:03:20,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2019-11-20 02:03:20,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 66. [2019-11-20 02:03:20,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2019-11-20 02:03:20,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 73 transitions. [2019-11-20 02:03:20,863 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 73 transitions. Word has length 11 [2019-11-20 02:03:20,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:03:20,864 INFO L462 AbstractCegarLoop]: Abstraction has 66 states and 73 transitions. [2019-11-20 02:03:20,864 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 02:03:20,864 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 73 transitions. [2019-11-20 02:03:20,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 02:03:20,864 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:03:20,865 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:03:21,066 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 02:03:21,067 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr22ENSURES_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION]=== [2019-11-20 02:03:21,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:03:21,067 INFO L82 PathProgramCache]: Analyzing trace with hash -1096893820, now seen corresponding path program 1 times [2019-11-20 02:03:21,067 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 02:03:21,068 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [778031159] [2019-11-20 02:03:21,068 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eb5dfc29-f6b8-4c6d-967d-7f20412ad3f5/bin/uautomizer/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 [2019-11-20 02:03:21,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:03:21,230 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 02:03:21,231 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:03:21,242 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 [2019-11-20 02:03:21,242 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 02:03:21,244 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 02:03:21,245 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-20 02:03:21,245 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-20 02:03:21,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:03:21,250 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 02:03:21,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:03:21,260 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [778031159] [2019-11-20 02:03:21,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:03:21,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-20 02:03:21,261 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121530749] [2019-11-20 02:03:21,261 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 02:03:21,261 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 02:03:21,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 02:03:21,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 02:03:21,262 INFO L87 Difference]: Start difference. First operand 66 states and 73 transitions. Second operand 3 states. [2019-11-20 02:03:21,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:03:21,442 INFO L93 Difference]: Finished difference Result 61 states and 67 transitions. [2019-11-20 02:03:21,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 02:03:21,443 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2019-11-20 02:03:21,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:03:21,444 INFO L225 Difference]: With dead ends: 61 [2019-11-20 02:03:21,444 INFO L226 Difference]: Without dead ends: 61 [2019-11-20 02:03:21,444 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 02:03:21,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2019-11-20 02:03:21,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2019-11-20 02:03:21,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2019-11-20 02:03:21,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 67 transitions. [2019-11-20 02:03:21,450 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 67 transitions. Word has length 11 [2019-11-20 02:03:21,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:03:21,450 INFO L462 AbstractCegarLoop]: Abstraction has 61 states and 67 transitions. [2019-11-20 02:03:21,450 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 02:03:21,451 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 67 transitions. [2019-11-20 02:03:21,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 02:03:21,451 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:03:21,451 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:03:21,654 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 02:03:21,654 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr22ENSURES_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION]=== [2019-11-20 02:03:21,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:03:21,654 INFO L82 PathProgramCache]: Analyzing trace with hash -1095106359, now seen corresponding path program 1 times [2019-11-20 02:03:21,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 02:03:21,655 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [32767612] [2019-11-20 02:03:21,655 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eb5dfc29-f6b8-4c6d-967d-7f20412ad3f5/bin/uautomizer/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 [2019-11-20 02:03:21,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:03:21,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:03:21,888 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-20 02:03:21,888 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 02:03:22,089 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 02:03:22,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 02:03:22 BoogieIcfgContainer [2019-11-20 02:03:22,106 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 02:03:22,113 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:03:22,113 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:03:22,114 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:03:22,114 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:03:18" (3/4) ... [2019-11-20 02:03:22,116 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-20 02:03:22,148 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_eb5dfc29-f6b8-4c6d-967d-7f20412ad3f5/bin/uautomizer/witness.graphml [2019-11-20 02:03:22,148 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:03:22,150 INFO L168 Benchmark]: Toolchain (without parser) took 4769.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 944.7 MB in the beginning and 887.8 MB in the end (delta: 56.9 MB). Peak memory consumption was 214.2 MB. Max. memory is 11.5 GB. [2019-11-20 02:03:22,150 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:03:22,151 INFO L168 Benchmark]: CACSL2BoogieTranslator took 580.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -189.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-20 02:03:22,151 INFO L168 Benchmark]: Boogie Preprocessor took 59.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:03:22,152 INFO L168 Benchmark]: RCFGBuilder took 763.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 59.5 MB). Peak memory consumption was 59.5 MB. Max. memory is 11.5 GB. [2019-11-20 02:03:22,152 INFO L168 Benchmark]: TraceAbstraction took 3321.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 887.8 MB in the end (delta: 187.3 MB). Peak memory consumption was 187.3 MB. Max. memory is 11.5 GB. [2019-11-20 02:03:22,153 INFO L168 Benchmark]: Witness Printer took 35.13 ms. Allocated memory is still 1.2 GB. Free memory is still 887.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:03:22,155 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 580.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -189.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 763.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 59.5 MB). Peak memory consumption was 59.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3321.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 887.8 MB in the end (delta: 187.3 MB). Peak memory consumption was 187.3 MB. Max. memory is 11.5 GB. * Witness Printer took 35.13 ms. Allocated memory is still 1.2 GB. Free memory is still 887.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 523]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L515] int i, j, tmp; [L516] int length = __VERIFIER_nondet_int(); [L517] COND FALSE !(length < 1) VAL [length=2147483646] [L518] COND TRUE length % 2 == 0 [L518] length++ VAL [length=2147483647] [L519] int *arr = __builtin_alloca (length*sizeof(int)); [L521] int i = 0; VAL [__builtin_alloca (length*sizeof(int))={3:0}, arr={3:0}, i=0, length=2147483647] [L521] COND TRUE i < length VAL [__builtin_alloca (length*sizeof(int))={3:0}, arr={3:0}, i=0, length=2147483647] [L523] arr[i] = __VERIFIER_nondet_int() - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 80 locations, 23 error locations. Result: UNSAFE, OverallTime: 3.2s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 209 SDtfs, 296 SDslu, 234 SDs, 0 SdLazy, 151 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 110 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 1830 SizeOfPredicates, 6 NumberOfNonLiveVariables, 112 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...