./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/memsafety/test-0158-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/memsafety/test-0158-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c3baf3e1382b3477cfa26255004191fb506be280 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/memsafety/test-0158-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c3baf3e1382b3477cfa26255004191fb506be280 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 03:30:54,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 03:30:54,574 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 03:30:54,627 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 03:30:54,627 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 03:30:54,633 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 03:30:54,635 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 03:30:54,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 03:30:54,650 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 03:30:54,654 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 03:30:54,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 03:30:54,658 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 03:30:54,658 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 03:30:54,666 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 03:30:54,668 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 03:30:54,669 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 03:30:54,671 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 03:30:54,675 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 03:30:54,678 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 03:30:54,685 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 03:30:54,688 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 03:30:54,691 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 03:30:54,693 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 03:30:54,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 03:30:54,701 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 03:30:54,702 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 03:30:54,702 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 03:30:54,703 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 03:30:54,705 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 03:30:54,706 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 03:30:54,706 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 03:30:54,707 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 03:30:54,710 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 03:30:54,711 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 03:30:54,712 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 03:30:54,712 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 03:30:54,713 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 03:30:54,714 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 03:30:54,714 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 03:30:54,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 03:30:54,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 03:30:54,718 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-10-26 03:30:54,773 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 03:30:54,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 03:30:54,777 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 03:30:54,777 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 03:30:54,778 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 03:30:54,778 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 03:30:54,778 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 03:30:54,779 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 03:30:54,779 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 03:30:54,780 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 03:30:54,781 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 03:30:54,781 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-26 03:30:54,781 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-26 03:30:54,781 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-26 03:30:54,782 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 03:30:54,782 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-26 03:30:54,782 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 03:30:54,783 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 03:30:54,783 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 03:30:54,783 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 03:30:54,784 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 03:30:54,784 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 03:30:54,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 03:30:54,784 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 03:30:54,785 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 03:30:54,785 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 03:30:54,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 03:30:54,786 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 03:30:54,786 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3baf3e1382b3477cfa26255004191fb506be280 [2020-10-26 03:30:55,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 03:30:55,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 03:30:55,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 03:30:55,225 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 03:30:55,226 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 03:30:55,228 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/test-0158-2.i [2020-10-26 03:30:55,310 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0898aa65f/89d5765034b14810a037f72baff624c8/FLAGf8e8bbf58 [2020-10-26 03:30:56,123 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 03:30:56,127 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/test-0158-2.i [2020-10-26 03:30:56,140 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0898aa65f/89d5765034b14810a037f72baff624c8/FLAGf8e8bbf58 [2020-10-26 03:30:56,370 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0898aa65f/89d5765034b14810a037f72baff624c8 [2020-10-26 03:30:56,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 03:30:56,384 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-26 03:30:56,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 03:30:56,387 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 03:30:56,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 03:30:56,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 03:30:56" (1/1) ... [2020-10-26 03:30:56,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e823ab7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:30:56, skipping insertion in model container [2020-10-26 03:30:56,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 03:30:56" (1/1) ... [2020-10-26 03:30:56,404 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 03:30:56,440 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 03:30:56,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 03:30:56,916 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 03:30:56,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 03:30:57,063 INFO L208 MainTranslator]: Completed translation [2020-10-26 03:30:57,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:30:57 WrapperNode [2020-10-26 03:30:57,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 03:30:57,066 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 03:30:57,066 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 03:30:57,066 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 03:30:57,081 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:30:57" (1/1) ... [2020-10-26 03:30:57,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:30:57" (1/1) ... [2020-10-26 03:30:57,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:30:57" (1/1) ... [2020-10-26 03:30:57,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:30:57" (1/1) ... [2020-10-26 03:30:57,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:30:57" (1/1) ... [2020-10-26 03:30:57,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:30:57" (1/1) ... [2020-10-26 03:30:57,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:30:57" (1/1) ... [2020-10-26 03:30:57,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 03:30:57,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 03:30:57,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 03:30:57,128 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 03:30:57,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:30:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 03:30:57,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-26 03:30:57,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 03:30:57,209 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-26 03:30:57,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-26 03:30:57,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-26 03:30:57,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-10-26 03:30:57,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-10-26 03:30:57,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-10-26 03:30:57,211 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-26 03:30:57,211 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-26 03:30:57,211 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-26 03:30:57,212 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-26 03:30:57,212 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-26 03:30:57,212 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-26 03:30:57,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 03:30:57,213 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-26 03:30:57,213 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-26 03:30:57,213 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-26 03:30:57,213 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-26 03:30:57,214 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-26 03:30:57,214 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-26 03:30:57,214 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-26 03:30:57,214 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-26 03:30:57,215 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-26 03:30:57,215 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-26 03:30:57,215 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-26 03:30:57,215 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-26 03:30:57,215 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-26 03:30:57,216 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-26 03:30:57,216 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-26 03:30:57,216 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-26 03:30:57,216 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-26 03:30:57,217 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-26 03:30:57,217 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-10-26 03:30:57,217 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-10-26 03:30:57,217 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-10-26 03:30:57,217 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-26 03:30:57,218 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-26 03:30:57,218 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-26 03:30:57,218 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-26 03:30:57,218 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-26 03:30:57,219 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-26 03:30:57,219 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-26 03:30:57,219 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-26 03:30:57,219 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-26 03:30:57,219 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-26 03:30:57,220 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-26 03:30:57,220 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-26 03:30:57,220 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-26 03:30:57,220 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-26 03:30:57,220 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-26 03:30:57,221 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-26 03:30:57,221 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-26 03:30:57,221 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-26 03:30:57,221 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-26 03:30:57,222 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-26 03:30:57,222 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-26 03:30:57,222 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-26 03:30:57,222 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-26 03:30:57,223 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-26 03:30:57,223 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-26 03:30:57,223 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-26 03:30:57,223 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-26 03:30:57,223 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-26 03:30:57,224 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-26 03:30:57,224 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-26 03:30:57,224 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-26 03:30:57,224 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-26 03:30:57,224 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-26 03:30:57,225 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-26 03:30:57,225 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-26 03:30:57,225 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-26 03:30:57,225 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-26 03:30:57,226 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-26 03:30:57,226 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-26 03:30:57,226 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-26 03:30:57,226 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-26 03:30:57,226 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-26 03:30:57,227 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-26 03:30:57,227 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-26 03:30:57,227 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-26 03:30:57,227 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-26 03:30:57,228 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-26 03:30:57,228 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-26 03:30:57,228 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-26 03:30:57,228 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-26 03:30:57,228 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-26 03:30:57,229 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-26 03:30:57,229 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-26 03:30:57,229 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-26 03:30:57,229 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-26 03:30:57,229 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-26 03:30:57,230 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-26 03:30:57,230 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-26 03:30:57,230 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-26 03:30:57,230 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-26 03:30:57,230 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-26 03:30:57,231 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-26 03:30:57,231 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-26 03:30:57,231 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-26 03:30:57,231 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-26 03:30:57,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-26 03:30:57,232 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-26 03:30:57,232 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-26 03:30:57,232 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-26 03:30:57,232 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-26 03:30:57,232 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-26 03:30:57,233 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-26 03:30:57,233 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-26 03:30:57,233 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-26 03:30:57,233 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-26 03:30:57,233 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-26 03:30:57,234 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-26 03:30:57,234 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-26 03:30:57,234 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-26 03:30:57,234 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-26 03:30:57,234 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-26 03:30:57,235 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-26 03:30:57,235 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-26 03:30:57,235 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-26 03:30:57,235 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-26 03:30:57,235 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-26 03:30:57,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-26 03:30:57,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-26 03:30:57,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 03:30:57,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 03:30:57,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-26 03:30:57,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 03:30:57,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 03:30:57,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-26 03:30:57,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-26 03:30:57,828 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 03:30:57,831 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-26 03:30:57,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 03:30:57 BoogieIcfgContainer [2020-10-26 03:30:57,835 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 03:30:57,837 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 03:30:57,838 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 03:30:57,841 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 03:30:57,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 03:30:56" (1/3) ... [2020-10-26 03:30:57,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cd35300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 03:30:57, skipping insertion in model container [2020-10-26 03:30:57,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:30:57" (2/3) ... [2020-10-26 03:30:57,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cd35300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 03:30:57, skipping insertion in model container [2020-10-26 03:30:57,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 03:30:57" (3/3) ... [2020-10-26 03:30:57,848 INFO L111 eAbstractionObserver]: Analyzing ICFG test-0158-2.i [2020-10-26 03:30:57,868 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-26 03:30:57,875 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2020-10-26 03:30:57,889 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-10-26 03:30:57,927 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 03:30:57,928 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-26 03:30:57,928 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-26 03:30:57,928 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 03:30:57,928 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 03:30:57,928 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 03:30:57,929 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 03:30:57,929 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 03:30:57,947 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-10-26 03:30:57,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-26 03:30:57,959 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 03:30:57,960 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-26 03:30:57,961 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION]=== [2020-10-26 03:30:57,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 03:30:57,970 INFO L82 PathProgramCache]: Analyzing trace with hash 666091848, now seen corresponding path program 1 times [2020-10-26 03:30:57,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 03:30:57,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158558916] [2020-10-26 03:30:57,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 03:30:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:30:58,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 03:30:58,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:30:58,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 03:30:58,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158558916] [2020-10-26 03:30:58,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 03:30:58,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 03:30:58,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889964274] [2020-10-26 03:30:58,319 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 03:30:58,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 03:30:58,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 03:30:58,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 03:30:58,337 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 4 states. [2020-10-26 03:30:58,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 03:30:58,403 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2020-10-26 03:30:58,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-26 03:30:58,405 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-10-26 03:30:58,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 03:30:58,413 INFO L225 Difference]: With dead ends: 18 [2020-10-26 03:30:58,413 INFO L226 Difference]: Without dead ends: 15 [2020-10-26 03:30:58,415 INFO L677 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 [2020-10-26 03:30:58,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2020-10-26 03:30:58,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2020-10-26 03:30:58,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-10-26 03:30:58,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2020-10-26 03:30:58,450 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 7 [2020-10-26 03:30:58,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 03:30:58,450 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2020-10-26 03:30:58,450 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 03:30:58,451 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2020-10-26 03:30:58,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-26 03:30:58,451 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 03:30:58,451 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-26 03:30:58,452 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-26 03:30:58,452 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION]=== [2020-10-26 03:30:58,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 03:30:58,453 INFO L82 PathProgramCache]: Analyzing trace with hash 666091849, now seen corresponding path program 1 times [2020-10-26 03:30:58,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 03:30:58,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489013041] [2020-10-26 03:30:58,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 03:30:58,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:30:58,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 03:30:58,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:30:58,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 03:30:58,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489013041] [2020-10-26 03:30:58,559 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 03:30:58,560 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 03:30:58,560 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959319350] [2020-10-26 03:30:58,562 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 03:30:58,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 03:30:58,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 03:30:58,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 03:30:58,563 INFO L87 Difference]: Start difference. First operand 15 states and 14 transitions. Second operand 4 states. [2020-10-26 03:30:58,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 03:30:58,598 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2020-10-26 03:30:58,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-26 03:30:58,599 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-10-26 03:30:58,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 03:30:58,599 INFO L225 Difference]: With dead ends: 12 [2020-10-26 03:30:58,599 INFO L226 Difference]: Without dead ends: 12 [2020-10-26 03:30:58,600 INFO L677 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 [2020-10-26 03:30:58,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2020-10-26 03:30:58,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2020-10-26 03:30:58,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-10-26 03:30:58,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2020-10-26 03:30:58,604 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 7 [2020-10-26 03:30:58,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 03:30:58,604 INFO L481 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2020-10-26 03:30:58,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 03:30:58,605 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2020-10-26 03:30:58,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-26 03:30:58,606 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 03:30:58,606 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 03:30:58,606 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-26 03:30:58,606 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION]=== [2020-10-26 03:30:58,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 03:30:58,607 INFO L82 PathProgramCache]: Analyzing trace with hash -1176654068, now seen corresponding path program 1 times [2020-10-26 03:30:58,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 03:30:58,608 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767412785] [2020-10-26 03:30:58,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 03:30:58,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 03:30:58,637 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 03:30:58,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 03:30:58,661 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 03:30:58,688 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 03:30:58,688 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-26 03:30:58,688 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-26 03:30:58,702 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2020-10-26 03:30:58,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 03:30:58 BoogieIcfgContainer [2020-10-26 03:30:58,713 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 03:30:58,714 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 03:30:58,714 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 03:30:58,714 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 03:30:58,715 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 03:30:57" (3/4) ... [2020-10-26 03:30:58,718 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 03:30:58,719 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 03:30:58,721 INFO L168 Benchmark]: Toolchain (without parser) took 2341.47 ms. Allocated memory was 50.3 MB in the beginning and 75.5 MB in the end (delta: 25.2 MB). Free memory was 25.3 MB in the beginning and 37.2 MB in the end (delta: -12.0 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. [2020-10-26 03:30:58,722 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 50.3 MB. Free memory is still 33.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 03:30:58,723 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.64 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 24.6 MB in the beginning and 41.7 MB in the end (delta: -17.1 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. [2020-10-26 03:30:58,724 INFO L168 Benchmark]: Boogie Preprocessor took 60.87 ms. Allocated memory is still 62.9 MB. Free memory was 41.7 MB in the beginning and 39.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 03:30:58,725 INFO L168 Benchmark]: RCFGBuilder took 707.38 ms. Allocated memory is still 62.9 MB. Free memory was 39.3 MB in the beginning and 34.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. [2020-10-26 03:30:58,726 INFO L168 Benchmark]: TraceAbstraction took 876.14 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 34.2 MB in the beginning and 37.6 MB in the end (delta: -3.4 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. [2020-10-26 03:30:58,726 INFO L168 Benchmark]: Witness Printer took 4.74 ms. Allocated memory is still 75.5 MB. Free memory is still 37.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 03:30:58,733 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 50.3 MB. Free memory is still 33.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 678.64 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 24.6 MB in the beginning and 41.7 MB in the end (delta: -17.1 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 60.87 ms. Allocated memory is still 62.9 MB. Free memory was 41.7 MB in the beginning and 39.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 707.38 ms. Allocated memory is still 62.9 MB. Free memory was 39.3 MB in the beginning and 34.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 876.14 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 34.2 MB in the beginning and 37.6 MB in the end (delta: -3.4 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. * Witness Printer took 4.74 ms. Allocated memory is still 75.5 MB. Free memory is still 37.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 523]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 523. Possible FailurePath: [L525-L532] union { void *p0; struct { char c[2]; void *p1; void *p2; } str; } data; [L533] data.p0 = malloc(37U) VAL [data={3:0}, malloc(37U)={-1:0}] [L534] data.str.p2 = &data VAL [data={3:0}, malloc(37U)={-1:0}] [L535] data.str.c[1] = sizeof data.str.p1 VAL [data={3:0}, malloc(37U)={-1:0}] [L536] return 0; [L536] return 0; VAL [\result=0, malloc(37U)={-1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 41 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 13 SDtfs, 9 SDslu, 17 SDs, 0 SdLazy, 39 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 432 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-5485861 [2020-10-26 03:31:01,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 03:31:01,169 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 03:31:01,210 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 03:31:01,211 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 03:31:01,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 03:31:01,214 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 03:31:01,217 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 03:31:01,219 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 03:31:01,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 03:31:01,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 03:31:01,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 03:31:01,223 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 03:31:01,225 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 03:31:01,226 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 03:31:01,228 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 03:31:01,229 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 03:31:01,230 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 03:31:01,232 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 03:31:01,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 03:31:01,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 03:31:01,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 03:31:01,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 03:31:01,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 03:31:01,244 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 03:31:01,244 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 03:31:01,245 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 03:31:01,246 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 03:31:01,247 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 03:31:01,248 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 03:31:01,248 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 03:31:01,249 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 03:31:01,250 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 03:31:01,252 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 03:31:01,253 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 03:31:01,253 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 03:31:01,254 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 03:31:01,255 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 03:31:01,255 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 03:31:01,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 03:31:01,258 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 03:31:01,259 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-10-26 03:31:01,285 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 03:31:01,286 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 03:31:01,288 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 03:31:01,288 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 03:31:01,289 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 03:31:01,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 03:31:01,289 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 03:31:01,290 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 03:31:01,290 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 03:31:01,291 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 03:31:01,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 03:31:01,291 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-26 03:31:01,292 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-26 03:31:01,292 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-26 03:31:01,292 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 03:31:01,293 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-26 03:31:01,293 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-26 03:31:01,293 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-26 03:31:01,293 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 03:31:01,294 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 03:31:01,294 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 03:31:01,294 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 03:31:01,295 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 03:31:01,295 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 03:31:01,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 03:31:01,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 03:31:01,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 03:31:01,296 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-26 03:31:01,296 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-26 03:31:01,297 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 03:31:01,297 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-26 03:31:01,297 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3baf3e1382b3477cfa26255004191fb506be280 [2020-10-26 03:31:01,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 03:31:01,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 03:31:01,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 03:31:01,756 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 03:31:01,757 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 03:31:01,758 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/test-0158-2.i [2020-10-26 03:31:01,841 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bb65eeda/061fe39075514ea18415109c60e1c55f/FLAGa23a00c66 [2020-10-26 03:31:02,477 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 03:31:02,479 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/test-0158-2.i [2020-10-26 03:31:02,503 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bb65eeda/061fe39075514ea18415109c60e1c55f/FLAGa23a00c66 [2020-10-26 03:31:02,796 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bb65eeda/061fe39075514ea18415109c60e1c55f [2020-10-26 03:31:02,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 03:31:02,809 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-26 03:31:02,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 03:31:02,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 03:31:02,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 03:31:02,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 03:31:02" (1/1) ... [2020-10-26 03:31:02,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e2e0194 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:31:02, skipping insertion in model container [2020-10-26 03:31:02,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 03:31:02" (1/1) ... [2020-10-26 03:31:02,852 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 03:31:02,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 03:31:03,258 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 03:31:03,272 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 03:31:03,312 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 03:31:03,382 INFO L208 MainTranslator]: Completed translation [2020-10-26 03:31:03,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:31:03 WrapperNode [2020-10-26 03:31:03,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 03:31:03,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 03:31:03,385 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 03:31:03,385 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 03:31:03,399 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:31:03" (1/1) ... [2020-10-26 03:31:03,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:31:03" (1/1) ... [2020-10-26 03:31:03,417 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:31:03" (1/1) ... [2020-10-26 03:31:03,418 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:31:03" (1/1) ... [2020-10-26 03:31:03,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:31:03" (1/1) ... [2020-10-26 03:31:03,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:31:03" (1/1) ... [2020-10-26 03:31:03,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:31:03" (1/1) ... [2020-10-26 03:31:03,450 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 03:31:03,451 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 03:31:03,451 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 03:31:03,451 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 03:31:03,452 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:31:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 03:31:03,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-26 03:31:03,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 03:31:03,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-10-26 03:31:03,540 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-26 03:31:03,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-26 03:31:03,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-26 03:31:03,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-10-26 03:31:03,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-10-26 03:31:03,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-10-26 03:31:03,541 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-26 03:31:03,542 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-26 03:31:03,542 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-26 03:31:03,542 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-26 03:31:03,542 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-26 03:31:03,543 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-26 03:31:03,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 03:31:03,543 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-26 03:31:03,543 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-26 03:31:03,544 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-26 03:31:03,544 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-26 03:31:03,544 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-26 03:31:03,544 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-26 03:31:03,545 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-26 03:31:03,545 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-26 03:31:03,545 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-26 03:31:03,545 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-26 03:31:03,546 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-26 03:31:03,546 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-26 03:31:03,546 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-26 03:31:03,546 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-26 03:31:03,546 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-26 03:31:03,552 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-26 03:31:03,552 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-26 03:31:03,552 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-26 03:31:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-10-26 03:31:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-10-26 03:31:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-10-26 03:31:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-26 03:31:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-26 03:31:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-26 03:31:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-26 03:31:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-26 03:31:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-26 03:31:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-26 03:31:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-26 03:31:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-26 03:31:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-26 03:31:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-26 03:31:03,556 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-26 03:31:03,556 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-26 03:31:03,556 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-26 03:31:03,556 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-26 03:31:03,557 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-26 03:31:03,557 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-26 03:31:03,558 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-26 03:31:03,558 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-26 03:31:03,558 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-26 03:31:03,558 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-26 03:31:03,558 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-26 03:31:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-26 03:31:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-26 03:31:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-26 03:31:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-26 03:31:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-26 03:31:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-26 03:31:03,560 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-26 03:31:03,560 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-26 03:31:03,560 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-26 03:31:03,561 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-26 03:31:03,562 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-26 03:31:03,562 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-26 03:31:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-26 03:31:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-26 03:31:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-26 03:31:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-26 03:31:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-26 03:31:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-26 03:31:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-26 03:31:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-26 03:31:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-26 03:31:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-26 03:31:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-26 03:31:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-26 03:31:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-26 03:31:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-26 03:31:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-26 03:31:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-26 03:31:03,566 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-26 03:31:03,566 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-26 03:31:03,566 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-26 03:31:03,566 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-26 03:31:03,566 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-26 03:31:03,566 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-26 03:31:03,566 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-26 03:31:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-26 03:31:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-26 03:31:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-26 03:31:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-26 03:31:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-26 03:31:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-26 03:31:03,568 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-26 03:31:03,568 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-26 03:31:03,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-26 03:31:03,568 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-26 03:31:03,568 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-26 03:31:03,568 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-26 03:31:03,568 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-26 03:31:03,569 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-26 03:31:03,569 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-26 03:31:03,569 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-26 03:31:03,569 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-26 03:31:03,569 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-26 03:31:03,569 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-26 03:31:03,570 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-26 03:31:03,570 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-26 03:31:03,570 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-26 03:31:03,571 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-26 03:31:03,575 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-26 03:31:03,575 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-26 03:31:03,575 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-26 03:31:03,575 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-26 03:31:03,575 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-26 03:31:03,576 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-26 03:31:03,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-26 03:31:03,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-26 03:31:03,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2020-10-26 03:31:03,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 03:31:03,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-26 03:31:03,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-26 03:31:03,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 03:31:03,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-10-26 03:31:03,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-26 03:31:03,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2020-10-26 03:31:04,194 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 03:31:04,195 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-26 03:31:04,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 03:31:04 BoogieIcfgContainer [2020-10-26 03:31:04,197 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 03:31:04,199 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 03:31:04,199 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 03:31:04,202 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 03:31:04,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 03:31:02" (1/3) ... [2020-10-26 03:31:04,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51d44587 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 03:31:04, skipping insertion in model container [2020-10-26 03:31:04,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:31:03" (2/3) ... [2020-10-26 03:31:04,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51d44587 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 03:31:04, skipping insertion in model container [2020-10-26 03:31:04,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 03:31:04" (3/3) ... [2020-10-26 03:31:04,206 INFO L111 eAbstractionObserver]: Analyzing ICFG test-0158-2.i [2020-10-26 03:31:04,218 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-26 03:31:04,224 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2020-10-26 03:31:04,237 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-10-26 03:31:04,260 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 03:31:04,261 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-26 03:31:04,261 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-26 03:31:04,261 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 03:31:04,261 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 03:31:04,261 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 03:31:04,262 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 03:31:04,262 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 03:31:04,275 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-10-26 03:31:04,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-26 03:31:04,285 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 03:31:04,285 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-26 03:31:04,286 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION]=== [2020-10-26 03:31:04,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 03:31:04,293 INFO L82 PathProgramCache]: Analyzing trace with hash -632827618, now seen corresponding path program 1 times [2020-10-26 03:31:04,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-26 03:31:04,306 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1786431728] [2020-10-26 03:31:04,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-26 03:31:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:31:04,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-26 03:31:04,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 03:31:04,610 INFO L350 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2020-10-26 03:31:04,611 INFO L384 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 1 case distinctions, treesize of input 9 treesize of output 11 [2020-10-26 03:31:04,612 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-26 03:31:04,619 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-26 03:31:04,625 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-26 03:31:04,626 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:9, output treesize:11 [2020-10-26 03:31:04,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 03:31:04,645 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-26 03:31:04,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 03:31:04,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1786431728] [2020-10-26 03:31:04,665 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-26 03:31:04,665 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-26 03:31:04,666 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996210037] [2020-10-26 03:31:04,671 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-26 03:31:04,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-26 03:31:04,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 03:31:04,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 03:31:04,689 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 3 states. [2020-10-26 03:31:04,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 03:31:04,763 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2020-10-26 03:31:04,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-26 03:31:04,766 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-26 03:31:04,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 03:31:04,775 INFO L225 Difference]: With dead ends: 18 [2020-10-26 03:31:04,775 INFO L226 Difference]: Without dead ends: 15 [2020-10-26 03:31:04,777 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 03:31:04,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2020-10-26 03:31:04,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2020-10-26 03:31:04,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-10-26 03:31:04,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2020-10-26 03:31:04,812 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 7 [2020-10-26 03:31:04,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 03:31:04,813 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2020-10-26 03:31:04,813 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-26 03:31:04,813 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2020-10-26 03:31:04,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-26 03:31:04,814 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 03:31:04,814 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-26 03:31:05,028 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-26 03:31:05,029 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION]=== [2020-10-26 03:31:05,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 03:31:05,031 INFO L82 PathProgramCache]: Analyzing trace with hash -632827617, now seen corresponding path program 1 times [2020-10-26 03:31:05,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-26 03:31:05,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1504626309] [2020-10-26 03:31:05,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-26 03:31:05,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:31:05,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 03:31:05,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 03:31:05,227 INFO L441 ElimStorePlain]: Different costs {0=[|v_#length_21|], 1=[|v_#valid_27|]} [2020-10-26 03:31:05,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-26 03:31:05,240 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2020-10-26 03:31:05,241 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-26 03:31:05,263 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-26 03:31:05,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-26 03:31:05,273 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2020-10-26 03:31:05,274 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-26 03:31:05,286 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-26 03:31:05,287 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-26 03:31:05,288 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:21, output treesize:14 [2020-10-26 03:31:05,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 03:31:05,309 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-26 03:31:05,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 03:31:05,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1504626309] [2020-10-26 03:31:05,370 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-26 03:31:05,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-10-26 03:31:05,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54348523] [2020-10-26 03:31:05,372 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 03:31:05,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-26 03:31:05,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 03:31:05,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-26 03:31:05,374 INFO L87 Difference]: Start difference. First operand 15 states and 14 transitions. Second operand 4 states. [2020-10-26 03:31:05,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 03:31:05,433 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2020-10-26 03:31:05,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-26 03:31:05,434 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-10-26 03:31:05,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 03:31:05,435 INFO L225 Difference]: With dead ends: 12 [2020-10-26 03:31:05,435 INFO L226 Difference]: Without dead ends: 12 [2020-10-26 03:31:05,436 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-26 03:31:05,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2020-10-26 03:31:05,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2020-10-26 03:31:05,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-10-26 03:31:05,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2020-10-26 03:31:05,439 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 7 [2020-10-26 03:31:05,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 03:31:05,439 INFO L481 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2020-10-26 03:31:05,439 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 03:31:05,439 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2020-10-26 03:31:05,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-26 03:31:05,440 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 03:31:05,440 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 03:31:05,648 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-26 03:31:05,649 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION]=== [2020-10-26 03:31:05,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 03:31:05,651 INFO L82 PathProgramCache]: Analyzing trace with hash -509331102, now seen corresponding path program 1 times [2020-10-26 03:31:05,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-26 03:31:05,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1853682046] [2020-10-26 03:31:05,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-10-26 03:31:05,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 03:31:05,836 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 03:31:05,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 03:31:05,890 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 03:31:05,920 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-26 03:31:05,921 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-26 03:31:06,121 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-26 03:31:06,137 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2020-10-26 03:31:06,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 03:31:06 BoogieIcfgContainer [2020-10-26 03:31:06,150 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 03:31:06,151 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 03:31:06,151 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 03:31:06,151 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 03:31:06,152 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 03:31:04" (3/4) ... [2020-10-26 03:31:06,155 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 03:31:06,155 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 03:31:06,157 INFO L168 Benchmark]: Toolchain (without parser) took 3354.86 ms. Allocated memory was 50.3 MB in the beginning and 73.4 MB in the end (delta: 23.1 MB). Free memory was 36.2 MB in the beginning and 32.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 25.9 MB. Max. memory is 16.1 GB. [2020-10-26 03:31:06,158 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 41.9 MB. Free memory was 22.5 MB in the beginning and 22.5 MB in the end (delta: 35.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 03:31:06,159 INFO L168 Benchmark]: CACSL2BoogieTranslator took 554.59 ms. Allocated memory is still 50.3 MB. Free memory was 35.5 MB in the beginning and 26.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. [2020-10-26 03:31:06,160 INFO L168 Benchmark]: Boogie Preprocessor took 65.20 ms. Allocated memory is still 50.3 MB. Free memory was 26.1 MB in the beginning and 23.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-26 03:31:06,161 INFO L168 Benchmark]: RCFGBuilder took 746.38 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 23.4 MB in the beginning and 32.9 MB in the end (delta: -9.5 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-10-26 03:31:06,161 INFO L168 Benchmark]: TraceAbstraction took 1951.85 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 32.6 MB in the beginning and 33.7 MB in the end (delta: -1.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 16.1 GB. [2020-10-26 03:31:06,162 INFO L168 Benchmark]: Witness Printer took 4.33 ms. Allocated memory is still 73.4 MB. Free memory is still 32.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 03:31:06,166 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 41.9 MB. Free memory was 22.5 MB in the beginning and 22.5 MB in the end (delta: 35.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 554.59 ms. Allocated memory is still 50.3 MB. Free memory was 35.5 MB in the beginning and 26.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 65.20 ms. Allocated memory is still 50.3 MB. Free memory was 26.1 MB in the beginning and 23.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 746.38 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 23.4 MB in the beginning and 32.9 MB in the end (delta: -9.5 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1951.85 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 32.6 MB in the beginning and 33.7 MB in the end (delta: -1.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 16.1 GB. * Witness Printer took 4.33 ms. Allocated memory is still 73.4 MB. Free memory is still 32.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 523]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 523. Possible FailurePath: [L525-L532] union { void *p0; struct { char c[2]; void *p1; void *p2; } str; } data; [L533] data.p0 = malloc(37U) VAL [data={11:0}, malloc(37U)={1:0}] [L534] data.str.p2 = &data VAL [data={11:0}, malloc(37U)={1:0}] [L535] data.str.c[1] = sizeof data.str.p1 VAL [data={11:0}, malloc(37U)={1:0}] [L536] return 0; [L536] return 0; VAL [\result=0, malloc(37U)={1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 47 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.8s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 17 SDtfs, 9 SDslu, 16 SDs, 0 SdLazy, 19 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 24 ConstructedInterpolants, 1 QuantifiedInterpolants, 360 SizeOfPredicates, 5 NumberOfNonLiveVariables, 122 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...