./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/test-0158-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_80f86c18-60e6-4c0f-b126-184093f9d456/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_80f86c18-60e6-4c0f-b126-184093f9d456/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_80f86c18-60e6-4c0f-b126-184093f9d456/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_80f86c18-60e6-4c0f-b126-184093f9d456/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0158-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_80f86c18-60e6-4c0f-b126-184093f9d456/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_80f86c18-60e6-4c0f-b126-184093f9d456/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 a1ce2798c44b98d34c3d71501d399b3f4d974768 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:00:46,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:00:46,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:00:46,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:00:46,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:00:46,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:00:46,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:00:46,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:00:46,366 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:00:46,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:00:46,368 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:00:46,369 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:00:46,369 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:00:46,370 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:00:46,371 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:00:46,371 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:00:46,372 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:00:46,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:00:46,374 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:00:46,375 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:00:46,377 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:00:46,378 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:00:46,379 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:00:46,379 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:00:46,381 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:00:46,382 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:00:46,382 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:00:46,382 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:00:46,383 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:00:46,384 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:00:46,384 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:00:46,385 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:00:46,385 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:00:46,386 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:00:46,387 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:00:46,387 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:00:46,387 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:00:46,388 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:00:46,388 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:00:46,389 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:00:46,389 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:00:46,390 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_80f86c18-60e6-4c0f-b126-184093f9d456/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-10-22 09:00:46,401 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:00:46,401 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:00:46,402 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:00:46,402 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:00:46,403 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:00:46,403 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:00:46,403 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:00:46,403 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 09:00:46,403 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:00:46,404 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:00:46,404 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:00:46,404 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 09:00:46,404 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 09:00:46,404 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 09:00:46,404 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:00:46,405 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:00:46,405 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:00:46,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:00:46,405 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:00:46,405 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:00:46,405 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:00:46,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:00:46,406 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:00:46,406 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:00:46,406 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:00:46,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:00:46,406 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/working_dir_80f86c18-60e6-4c0f-b126-184093f9d456/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 -> a1ce2798c44b98d34c3d71501d399b3f4d974768 [2019-10-22 09:00:46,430 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:00:46,439 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:00:46,442 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:00:46,444 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:00:46,444 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:00:46,445 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_80f86c18-60e6-4c0f-b126-184093f9d456/bin/uautomizer/../../sv-benchmarks/c/memsafety/test-0158-1.i [2019-10-22 09:00:46,494 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_80f86c18-60e6-4c0f-b126-184093f9d456/bin/uautomizer/data/3fba76902/0a7d155d7071426db8160b46a60a7a9b/FLAGfe6b6b988 [2019-10-22 09:00:46,930 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:00:46,932 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_80f86c18-60e6-4c0f-b126-184093f9d456/sv-benchmarks/c/memsafety/test-0158-1.i [2019-10-22 09:00:46,948 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_80f86c18-60e6-4c0f-b126-184093f9d456/bin/uautomizer/data/3fba76902/0a7d155d7071426db8160b46a60a7a9b/FLAGfe6b6b988 [2019-10-22 09:00:47,277 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_80f86c18-60e6-4c0f-b126-184093f9d456/bin/uautomizer/data/3fba76902/0a7d155d7071426db8160b46a60a7a9b [2019-10-22 09:00:47,279 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:00:47,280 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-10-22 09:00:47,281 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:47,281 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:00:47,285 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:00:47,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:47" (1/1) ... [2019-10-22 09:00:47,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@717ba0f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:47, skipping insertion in model container [2019-10-22 09:00:47,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:47" (1/1) ... [2019-10-22 09:00:47,295 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:00:47,328 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:00:47,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:47,657 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:00:47,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:47,735 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:00:47,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:47 WrapperNode [2019-10-22 09:00:47,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:47,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:00:47,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:00:47,736 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:00:47,745 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:47" (1/1) ... [2019-10-22 09:00:47,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:47" (1/1) ... [2019-10-22 09:00:47,755 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:47" (1/1) ... [2019-10-22 09:00:47,755 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:47" (1/1) ... [2019-10-22 09:00:47,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:47" (1/1) ... [2019-10-22 09:00:47,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:47" (1/1) ... [2019-10-22 09:00:47,770 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:47" (1/1) ... [2019-10-22 09:00:47,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:00:47,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:00:47,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:00:47,775 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:00:47,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_80f86c18-60e6-4c0f-b126-184093f9d456/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 [2019-10-22 09:00:47,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-22 09:00:47,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:00:47,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-22 09:00:47,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-22 09:00:47,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-10-22 09:00:47,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-10-22 09:00:47,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-10-22 09:00:47,828 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-22 09:00:47,829 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-22 09:00:47,829 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-22 09:00:47,829 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-22 09:00:47,829 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-22 09:00:47,829 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-22 09:00:47,829 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-22 09:00:47,829 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-22 09:00:47,829 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-22 09:00:47,830 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-22 09:00:47,830 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-22 09:00:47,830 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-22 09:00:47,830 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-22 09:00:47,830 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-22 09:00:47,830 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-22 09:00:47,830 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-22 09:00:47,830 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-22 09:00:47,831 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-22 09:00:47,831 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-22 09:00:47,831 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-22 09:00:47,831 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-10-22 09:00:47,831 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-10-22 09:00:47,831 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-10-22 09:00:47,831 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-22 09:00:47,831 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-22 09:00:47,833 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-22 09:00:47,833 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-22 09:00:47,833 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-22 09:00:47,833 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-22 09:00:47,833 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-22 09:00:47,834 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-22 09:00:47,834 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-22 09:00:47,834 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-22 09:00:47,834 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-22 09:00:47,834 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-22 09:00:47,834 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-22 09:00:47,834 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-22 09:00:47,834 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-22 09:00:47,834 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-22 09:00:47,835 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-22 09:00:47,835 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-22 09:00:47,835 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-22 09:00:47,835 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-22 09:00:47,835 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-22 09:00:47,835 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-22 09:00:47,835 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-22 09:00:47,835 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-22 09:00:47,835 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-22 09:00:47,836 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-22 09:00:47,836 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-22 09:00:47,836 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-22 09:00:47,836 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-22 09:00:47,836 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-22 09:00:47,836 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-22 09:00:47,836 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-22 09:00:47,836 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-22 09:00:47,836 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-22 09:00:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-22 09:00:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-22 09:00:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-22 09:00:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-22 09:00:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-22 09:00:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-22 09:00:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-22 09:00:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-22 09:00:47,838 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-22 09:00:47,838 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-22 09:00:47,838 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-22 09:00:47,838 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-22 09:00:47,838 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-22 09:00:47,838 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-22 09:00:47,838 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-22 09:00:47,839 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-22 09:00:47,839 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-22 09:00:47,839 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-22 09:00:47,839 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-22 09:00:47,839 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-22 09:00:47,839 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-22 09:00:47,839 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-22 09:00:47,843 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-22 09:00:47,843 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-22 09:00:47,843 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-22 09:00:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-22 09:00:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-22 09:00:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-22 09:00:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-22 09:00:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-22 09:00:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-22 09:00:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-22 09:00:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-22 09:00:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-22 09:00:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-22 09:00:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-22 09:00:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-22 09:00:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-22 09:00:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-22 09:00:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-22 09:00:47,846 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-22 09:00:47,846 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-22 09:00:47,846 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-22 09:00:47,846 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-22 09:00:47,846 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-22 09:00:47,846 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-22 09:00:47,846 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-22 09:00:47,847 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-22 09:00:47,847 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-22 09:00:47,847 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-22 09:00:47,847 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-22 09:00:47,847 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-22 09:00:47,847 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-22 09:00:47,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:00:47,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 09:00:47,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 09:00:47,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 09:00:47,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 09:00:47,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-22 09:00:47,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:00:48,380 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:00:48,380 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-22 09:00:48,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:48 BoogieIcfgContainer [2019-10-22 09:00:48,381 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:00:48,382 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:00:48,382 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:00:48,386 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:00:48,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:00:47" (1/3) ... [2019-10-22 09:00:48,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77fe4444 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:48, skipping insertion in model container [2019-10-22 09:00:48,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:47" (2/3) ... [2019-10-22 09:00:48,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77fe4444 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:48, skipping insertion in model container [2019-10-22 09:00:48,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:48" (3/3) ... [2019-10-22 09:00:48,391 INFO L109 eAbstractionObserver]: Analyzing ICFG test-0158-1.i [2019-10-22 09:00:48,401 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:00:48,410 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 10 error locations. [2019-10-22 09:00:48,421 INFO L249 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2019-10-22 09:00:48,440 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:00:48,440 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 09:00:48,440 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:00:48,440 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:00:48,441 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:00:48,441 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:00:48,441 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:00:48,441 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:00:48,458 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2019-10-22 09:00:48,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 09:00:48,466 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:48,467 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:48,469 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr1REQUIRES_VIOLATION, mainErr8ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr9ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-10-22 09:00:48,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:48,474 INFO L82 PathProgramCache]: Analyzing trace with hash 1144947076, now seen corresponding path program 1 times [2019-10-22 09:00:48,482 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:48,482 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793675549] [2019-10-22 09:00:48,482 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:48,483 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:48,483 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:48,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:48,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:48,696 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793675549] [2019-10-22 09:00:48,697 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:48,697 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:00:48,698 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890161180] [2019-10-22 09:00:48,702 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:00:48,703 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:48,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:00:48,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:00:48,718 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 4 states. [2019-10-22 09:00:48,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:48,816 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2019-10-22 09:00:48,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:00:48,818 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-10-22 09:00:48,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:48,830 INFO L225 Difference]: With dead ends: 23 [2019-10-22 09:00:48,830 INFO L226 Difference]: Without dead ends: 20 [2019-10-22 09:00:48,832 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:00:48,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-10-22 09:00:48,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-10-22 09:00:48,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-10-22 09:00:48,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 19 transitions. [2019-10-22 09:00:48,864 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 19 transitions. Word has length 7 [2019-10-22 09:00:48,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:48,865 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 19 transitions. [2019-10-22 09:00:48,865 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:00:48,865 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 19 transitions. [2019-10-22 09:00:48,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 09:00:48,865 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:48,865 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:48,866 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr1REQUIRES_VIOLATION, mainErr8ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr9ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-10-22 09:00:48,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:48,866 INFO L82 PathProgramCache]: Analyzing trace with hash 1144947077, now seen corresponding path program 1 times [2019-10-22 09:00:48,866 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:48,866 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945698396] [2019-10-22 09:00:48,867 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:48,867 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:48,867 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:48,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:48,950 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945698396] [2019-10-22 09:00:48,951 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:48,951 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:00:48,951 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324581679] [2019-10-22 09:00:48,953 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:00:48,953 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:48,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:00:48,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:00:48,953 INFO L87 Difference]: Start difference. First operand 20 states and 19 transitions. Second operand 4 states. [2019-10-22 09:00:49,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:49,002 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2019-10-22 09:00:49,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:00:49,004 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-10-22 09:00:49,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:49,005 INFO L225 Difference]: With dead ends: 17 [2019-10-22 09:00:49,005 INFO L226 Difference]: Without dead ends: 17 [2019-10-22 09:00:49,005 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:00:49,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-10-22 09:00:49,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-10-22 09:00:49,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-10-22 09:00:49,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 16 transitions. [2019-10-22 09:00:49,008 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 16 transitions. Word has length 7 [2019-10-22 09:00:49,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:49,008 INFO L462 AbstractCegarLoop]: Abstraction has 17 states and 16 transitions. [2019-10-22 09:00:49,008 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:00:49,008 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2019-10-22 09:00:49,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 09:00:49,009 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:49,009 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:49,009 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr1REQUIRES_VIOLATION, mainErr8ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr9ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-10-22 09:00:49,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:49,009 INFO L82 PathProgramCache]: Analyzing trace with hash -1511941492, now seen corresponding path program 1 times [2019-10-22 09:00:49,010 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:49,010 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78846185] [2019-10-22 09:00:49,010 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:49,010 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:49,010 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:49,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:49,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:49,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:49,078 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78846185] [2019-10-22 09:00:49,078 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:49,079 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:00:49,079 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103058987] [2019-10-22 09:00:49,079 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 09:00:49,079 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:49,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:00:49,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:00:49,080 INFO L87 Difference]: Start difference. First operand 17 states and 16 transitions. Second operand 6 states. [2019-10-22 09:00:49,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:49,146 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2019-10-22 09:00:49,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 09:00:49,147 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2019-10-22 09:00:49,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:49,148 INFO L225 Difference]: With dead ends: 16 [2019-10-22 09:00:49,148 INFO L226 Difference]: Without dead ends: 16 [2019-10-22 09:00:49,148 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:00:49,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-10-22 09:00:49,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-10-22 09:00:49,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-10-22 09:00:49,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2019-10-22 09:00:49,150 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 10 [2019-10-22 09:00:49,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:49,151 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2019-10-22 09:00:49,151 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 09:00:49,151 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2019-10-22 09:00:49,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 09:00:49,151 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:49,151 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:49,153 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr1REQUIRES_VIOLATION, mainErr8ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr9ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-10-22 09:00:49,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:49,153 INFO L82 PathProgramCache]: Analyzing trace with hash 374454055, now seen corresponding path program 1 times [2019-10-22 09:00:49,153 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:49,153 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12169256] [2019-10-22 09:00:49,153 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:49,154 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:49,154 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:49,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:49,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:49,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:49,267 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12169256] [2019-10-22 09:00:49,267 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:49,267 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:00:49,267 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778689560] [2019-10-22 09:00:49,268 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 09:00:49,268 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:49,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:00:49,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:00:49,269 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 6 states. [2019-10-22 09:00:49,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:49,326 INFO L93 Difference]: Finished difference Result 15 states and 14 transitions. [2019-10-22 09:00:49,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 09:00:49,327 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2019-10-22 09:00:49,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:49,327 INFO L225 Difference]: With dead ends: 15 [2019-10-22 09:00:49,327 INFO L226 Difference]: Without dead ends: 15 [2019-10-22 09:00:49,328 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:00:49,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-10-22 09:00:49,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-10-22 09:00:49,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-10-22 09:00:49,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2019-10-22 09:00:49,330 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 11 [2019-10-22 09:00:49,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:49,330 INFO L462 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2019-10-22 09:00:49,330 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 09:00:49,330 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2019-10-22 09:00:49,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 09:00:49,331 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:49,331 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:49,331 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr1REQUIRES_VIOLATION, mainErr8ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr9ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-10-22 09:00:49,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:49,331 INFO L82 PathProgramCache]: Analyzing trace with hash -1276826130, now seen corresponding path program 1 times [2019-10-22 09:00:49,331 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:49,332 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343651420] [2019-10-22 09:00:49,332 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:49,332 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:49,332 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:49,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:49,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:49,391 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343651420] [2019-10-22 09:00:49,391 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:49,391 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:00:49,391 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847565773] [2019-10-22 09:00:49,391 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 09:00:49,392 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:49,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:00:49,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:00:49,392 INFO L87 Difference]: Start difference. First operand 15 states and 14 transitions. Second operand 6 states. [2019-10-22 09:00:49,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:49,440 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2019-10-22 09:00:49,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 09:00:49,441 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2019-10-22 09:00:49,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:49,441 INFO L225 Difference]: With dead ends: 14 [2019-10-22 09:00:49,442 INFO L226 Difference]: Without dead ends: 14 [2019-10-22 09:00:49,442 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:00:49,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-10-22 09:00:49,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2019-10-22 09:00:49,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-10-22 09:00:49,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 13 transitions. [2019-10-22 09:00:49,444 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 13 transitions. Word has length 12 [2019-10-22 09:00:49,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:49,444 INFO L462 AbstractCegarLoop]: Abstraction has 14 states and 13 transitions. [2019-10-22 09:00:49,444 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 09:00:49,444 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2019-10-22 09:00:49,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-22 09:00:49,445 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:49,445 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:49,445 INFO L410 AbstractCegarLoop]: === Iteration 6 === [mainErr1REQUIRES_VIOLATION, mainErr8ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr9ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-10-22 09:00:49,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:49,445 INFO L82 PathProgramCache]: Analyzing trace with hash -926904310, now seen corresponding path program 1 times [2019-10-22 09:00:49,445 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:49,446 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115645940] [2019-10-22 09:00:49,446 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:49,446 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:49,446 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:49,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:49,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:49,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:49,591 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115645940] [2019-10-22 09:00:49,592 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:49,592 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 09:00:49,592 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073058776] [2019-10-22 09:00:49,592 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 09:00:49,592 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:49,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 09:00:49,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-22 09:00:49,593 INFO L87 Difference]: Start difference. First operand 14 states and 13 transitions. Second operand 7 states. [2019-10-22 09:00:49,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:49,701 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2019-10-22 09:00:49,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 09:00:49,702 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2019-10-22 09:00:49,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:49,702 INFO L225 Difference]: With dead ends: 13 [2019-10-22 09:00:49,702 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 09:00:49,703 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-10-22 09:00:49,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 09:00:49,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 09:00:49,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 09:00:49,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 09:00:49,703 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-10-22 09:00:49,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:49,704 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:00:49,704 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 09:00:49,704 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:00:49,704 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 09:00:49,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:00:49 BoogieIcfgContainer [2019-10-22 09:00:49,719 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:00:49,719 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:00:49,719 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:00:49,719 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:00:49,720 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:48" (3/4) ... [2019-10-22 09:00:49,723 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 09:00:49,730 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-10-22 09:00:49,730 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2019-10-22 09:00:49,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2019-10-22 09:00:49,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint16_identity [2019-10-22 09:00:49,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint64_identity [2019-10-22 09:00:49,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-10-22 09:00:49,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint32_identity [2019-10-22 09:00:49,735 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-10-22 09:00:49,736 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 09:00:49,736 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 09:00:49,772 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_80f86c18-60e6-4c0f-b126-184093f9d456/bin/uautomizer/witness.graphml [2019-10-22 09:00:49,772 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:00:49,774 INFO L168 Benchmark]: Toolchain (without parser) took 2493.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 939.1 MB in the beginning and 953.2 MB in the end (delta: -14.0 MB). Peak memory consumption was 124.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:49,774 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:49,775 INFO L168 Benchmark]: CACSL2BoogieTranslator took 454.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -182.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:49,775 INFO L168 Benchmark]: Boogie Preprocessor took 37.93 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. [2019-10-22 09:00:49,776 INFO L168 Benchmark]: RCFGBuilder took 606.73 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: 43.8 MB). Peak memory consumption was 43.8 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:49,776 INFO L168 Benchmark]: TraceAbstraction took 1336.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 953.2 MB in the end (delta: 124.4 MB). Peak memory consumption was 124.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:49,777 INFO L168 Benchmark]: Witness Printer took 53.09 ms. Allocated memory is still 1.2 GB. Free memory is still 953.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:49,779 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 454.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -182.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.93 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 606.73 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: 43.8 MB). Peak memory consumption was 43.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1336.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 953.2 MB in the end (delta: 124.4 MB). Peak memory consumption was 124.4 MB. Max. memory is 11.5 GB. * Witness Printer took 53.09 ms. Allocated memory is still 1.2 GB. Free memory is still 953.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 522]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 524]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 523]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 524]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 523]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 524]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 524]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 524]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 522]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 512]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 41 locations, 10 error locations. Result: SAFE, OverallTime: 1.2s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 47 SDtfs, 61 SDslu, 72 SDs, 0 SdLazy, 170 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 13 SyntacticMatches, 4 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=0, 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, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 3604 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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 correct! Received shutdown request...