./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/memsafety/test-0158-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/memsafety/test-0158-1.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 a1ce2798c44b98d34c3d71501d399b3f4d974768 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 20:07:29,559 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:07:29,561 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:07:29,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:07:29,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:07:29,583 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:07:29,585 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:07:29,587 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:07:29,589 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:07:29,590 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:07:29,591 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:07:29,592 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:07:29,593 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:07:29,594 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:07:29,595 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:07:29,596 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:07:29,597 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:07:29,599 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:07:29,602 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:07:29,608 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:07:29,613 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:07:29,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:07:29,617 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:07:29,618 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:07:29,620 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:07:29,621 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:07:29,621 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:07:29,622 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:07:29,622 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:07:29,623 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:07:29,624 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:07:29,625 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:07:29,625 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:07:29,626 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:07:29,627 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:07:29,628 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:07:29,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:07:29,629 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:07:29,629 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:07:29,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:07:29,631 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:07:29,632 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-28 20:07:29,647 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:07:29,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:07:29,650 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:07:29,652 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:07:29,652 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:07:29,652 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:07:29,653 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 20:07:29,653 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:07:29,653 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:07:29,653 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 20:07:29,655 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:07:29,655 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 20:07:29,655 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 20:07:29,656 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 20:07:29,656 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 20:07:29,657 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 20:07:29,657 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 20:07:29,657 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:07:29,657 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:07:29,658 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:07:29,658 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 20:07:29,659 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 20:07:29,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 20:07:29,659 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:07:29,660 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 20:07:29,660 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:07:29,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 20:07:29,660 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:07:29,661 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /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 -> a1ce2798c44b98d34c3d71501d399b3f4d974768 [2019-11-28 20:07:29,991 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:07:30,007 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:07:30,011 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:07:30,012 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:07:30,013 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:07:30,014 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/test-0158-1.i [2019-11-28 20:07:30,078 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f81bea876/f491a5063e19405f85222da182f36057/FLAGe8f778e18 [2019-11-28 20:07:30,519 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:07:30,519 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/test-0158-1.i [2019-11-28 20:07:30,532 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f81bea876/f491a5063e19405f85222da182f36057/FLAGe8f778e18 [2019-11-28 20:07:30,838 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f81bea876/f491a5063e19405f85222da182f36057 [2019-11-28 20:07:30,842 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:07:30,844 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 20:07:30,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:07:30,845 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:07:30,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:07:30,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:07:30" (1/1) ... [2019-11-28 20:07:30,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c1bf908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:07:30, skipping insertion in model container [2019-11-28 20:07:30,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:07:30" (1/1) ... [2019-11-28 20:07:30,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:07:30,901 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:07:31,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:07:31,266 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:07:31,336 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:07:31,391 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:07:31,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:07:31 WrapperNode [2019-11-28 20:07:31,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:07:31,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:07:31,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:07:31,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:07:31,407 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:07:31" (1/1) ... [2019-11-28 20:07:31,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:07:31" (1/1) ... [2019-11-28 20:07:31,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:07:31" (1/1) ... [2019-11-28 20:07:31,431 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:07:31" (1/1) ... [2019-11-28 20:07:31,458 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:07:31" (1/1) ... [2019-11-28 20:07:31,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:07:31" (1/1) ... [2019-11-28 20:07:31,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:07:31" (1/1) ... [2019-11-28 20:07:31,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:07:31,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:07:31,484 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:07:31,484 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:07:31,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:07:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 20:07:31,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 20:07:31,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:07:31,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-28 20:07:31,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-28 20:07:31,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-28 20:07:31,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-28 20:07:31,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-28 20:07:31,552 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 20:07:31,552 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-28 20:07:31,553 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-28 20:07:31,553 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-28 20:07:31,553 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-28 20:07:31,553 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-28 20:07:31,554 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-28 20:07:31,554 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-28 20:07:31,554 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-28 20:07:31,554 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-28 20:07:31,555 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-28 20:07:31,555 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-28 20:07:31,555 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-28 20:07:31,555 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-28 20:07:31,555 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-28 20:07:31,556 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-28 20:07:31,556 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-28 20:07:31,556 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-28 20:07:31,556 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-28 20:07:31,556 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-28 20:07:31,557 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-28 20:07:31,557 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-28 20:07:31,557 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-28 20:07:31,557 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-28 20:07:31,558 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-28 20:07:31,558 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-28 20:07:31,558 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-28 20:07:31,558 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-28 20:07:31,558 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-28 20:07:31,559 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-28 20:07:31,559 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-28 20:07:31,559 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-28 20:07:31,559 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-28 20:07:31,559 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-28 20:07:31,560 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-28 20:07:31,560 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-28 20:07:31,560 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-28 20:07:31,560 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-28 20:07:31,560 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-28 20:07:31,561 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-28 20:07:31,561 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-28 20:07:31,561 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-28 20:07:31,561 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-28 20:07:31,562 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-28 20:07:31,562 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-28 20:07:31,562 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-28 20:07:31,562 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-28 20:07:31,562 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-28 20:07:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-28 20:07:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-28 20:07:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-28 20:07:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-28 20:07:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-28 20:07:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-28 20:07:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-28 20:07:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-28 20:07:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-28 20:07:31,565 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-28 20:07:31,565 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-28 20:07:31,565 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-28 20:07:31,565 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-28 20:07:31,565 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-28 20:07:31,566 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-28 20:07:31,566 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-28 20:07:31,566 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-28 20:07:31,566 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-28 20:07:31,567 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-28 20:07:31,567 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-28 20:07:31,567 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-28 20:07:31,567 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-28 20:07:31,567 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-28 20:07:31,568 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-28 20:07:31,568 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-28 20:07:31,568 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-28 20:07:31,568 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-28 20:07:31,569 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-28 20:07:31,569 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-28 20:07:31,569 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-28 20:07:31,569 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-28 20:07:31,569 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-28 20:07:31,570 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-28 20:07:31,570 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-28 20:07:31,570 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-28 20:07:31,570 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-28 20:07:31,570 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-28 20:07:31,571 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-28 20:07:31,571 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-28 20:07:31,571 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-28 20:07:31,571 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-28 20:07:31,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-28 20:07:31,571 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-28 20:07:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-28 20:07:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-28 20:07:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-28 20:07:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-28 20:07:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-28 20:07:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-28 20:07:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-28 20:07:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-28 20:07:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-28 20:07:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-28 20:07:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-28 20:07:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-28 20:07:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-28 20:07:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-28 20:07:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-28 20:07:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-28 20:07:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-28 20:07:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-28 20:07:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 20:07:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 20:07:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 20:07:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 20:07:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 20:07:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 20:07:31,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 20:07:31,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:07:32,237 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:07:32,237 INFO L287 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-28 20:07:32,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:07:32 BoogieIcfgContainer [2019-11-28 20:07:32,239 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:07:32,240 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 20:07:32,240 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 20:07:32,244 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 20:07:32,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 08:07:30" (1/3) ... [2019-11-28 20:07:32,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4151aa7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:07:32, skipping insertion in model container [2019-11-28 20:07:32,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:07:31" (2/3) ... [2019-11-28 20:07:32,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4151aa7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:07:32, skipping insertion in model container [2019-11-28 20:07:32,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:07:32" (3/3) ... [2019-11-28 20:07:32,249 INFO L109 eAbstractionObserver]: Analyzing ICFG test-0158-1.i [2019-11-28 20:07:32,260 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 20:07:32,268 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 10 error locations. [2019-11-28 20:07:32,282 INFO L249 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2019-11-28 20:07:32,306 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 20:07:32,306 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 20:07:32,307 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 20:07:32,307 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:07:32,307 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:07:32,308 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 20:07:32,308 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:07:32,308 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 20:07:32,325 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2019-11-28 20:07:32,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-28 20:07:32,335 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:07:32,337 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:07:32,337 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9ENSURES_VIOLATIONMEMORY_LEAK, mainErr8ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr7ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-28 20:07:32,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:07:32,345 INFO L82 PathProgramCache]: Analyzing trace with hash 1144947076, now seen corresponding path program 1 times [2019-11-28 20:07:32,356 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:07:32,357 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778750251] [2019-11-28 20:07:32,357 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:07:32,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:07:32,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:07:32,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:07:32,574 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778750251] [2019-11-28 20:07:32,575 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:07:32,575 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 20:07:32,587 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126454049] [2019-11-28 20:07:32,595 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 20:07:32,596 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:07:32,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 20:07:32,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:07:32,621 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 4 states. [2019-11-28 20:07:32,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:07:32,711 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2019-11-28 20:07:32,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 20:07:32,713 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-28 20:07:32,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:07:32,722 INFO L225 Difference]: With dead ends: 23 [2019-11-28 20:07:32,723 INFO L226 Difference]: Without dead ends: 20 [2019-11-28 20:07:32,724 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:07:32,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-11-28 20:07:32,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-11-28 20:07:32,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-28 20:07:32,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 19 transitions. [2019-11-28 20:07:32,757 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 19 transitions. Word has length 7 [2019-11-28 20:07:32,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:07:32,757 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 19 transitions. [2019-11-28 20:07:32,757 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 20:07:32,758 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 19 transitions. [2019-11-28 20:07:32,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-28 20:07:32,758 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:07:32,758 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:07:32,759 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9ENSURES_VIOLATIONMEMORY_LEAK, mainErr8ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr7ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-28 20:07:32,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:07:32,759 INFO L82 PathProgramCache]: Analyzing trace with hash 1144947077, now seen corresponding path program 1 times [2019-11-28 20:07:32,759 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:07:32,760 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590174422] [2019-11-28 20:07:32,760 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:07:32,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:07:32,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:07:32,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:07:32,859 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590174422] [2019-11-28 20:07:32,859 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:07:32,859 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 20:07:32,860 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210150545] [2019-11-28 20:07:32,861 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 20:07:32,862 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:07:32,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 20:07:32,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:07:32,862 INFO L87 Difference]: Start difference. First operand 20 states and 19 transitions. Second operand 4 states. [2019-11-28 20:07:32,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:07:32,930 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2019-11-28 20:07:32,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 20:07:32,931 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-28 20:07:32,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:07:32,932 INFO L225 Difference]: With dead ends: 17 [2019-11-28 20:07:32,932 INFO L226 Difference]: Without dead ends: 17 [2019-11-28 20:07:32,933 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:07:32,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-11-28 20:07:32,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-11-28 20:07:32,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-28 20:07:32,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 16 transitions. [2019-11-28 20:07:32,937 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 16 transitions. Word has length 7 [2019-11-28 20:07:32,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:07:32,937 INFO L462 AbstractCegarLoop]: Abstraction has 17 states and 16 transitions. [2019-11-28 20:07:32,938 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 20:07:32,938 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2019-11-28 20:07:32,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-28 20:07:32,938 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:07:32,939 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:07:32,939 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9ENSURES_VIOLATIONMEMORY_LEAK, mainErr8ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr7ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-28 20:07:32,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:07:32,940 INFO L82 PathProgramCache]: Analyzing trace with hash -1511941492, now seen corresponding path program 1 times [2019-11-28 20:07:32,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:07:32,941 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659802831] [2019-11-28 20:07:32,941 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:07:32,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:07:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:07:33,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:07:33,065 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659802831] [2019-11-28 20:07:33,066 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:07:33,066 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 20:07:33,066 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125682101] [2019-11-28 20:07:33,066 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 20:07:33,067 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:07:33,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 20:07:33,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 20:07:33,068 INFO L87 Difference]: Start difference. First operand 17 states and 16 transitions. Second operand 6 states. [2019-11-28 20:07:33,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:07:33,155 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2019-11-28 20:07:33,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 20:07:33,156 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2019-11-28 20:07:33,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:07:33,157 INFO L225 Difference]: With dead ends: 16 [2019-11-28 20:07:33,157 INFO L226 Difference]: Without dead ends: 16 [2019-11-28 20:07:33,157 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-28 20:07:33,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-28 20:07:33,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-28 20:07:33,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-28 20:07:33,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2019-11-28 20:07:33,161 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 10 [2019-11-28 20:07:33,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:07:33,162 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2019-11-28 20:07:33,162 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 20:07:33,162 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2019-11-28 20:07:33,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 20:07:33,162 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:07:33,163 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:07:33,163 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9ENSURES_VIOLATIONMEMORY_LEAK, mainErr8ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr7ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-28 20:07:33,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:07:33,163 INFO L82 PathProgramCache]: Analyzing trace with hash 374454055, now seen corresponding path program 1 times [2019-11-28 20:07:33,164 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:07:33,164 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027755321] [2019-11-28 20:07:33,164 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:07:33,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:07:33,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:07:33,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:07:33,269 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027755321] [2019-11-28 20:07:33,270 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:07:33,270 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 20:07:33,270 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421335627] [2019-11-28 20:07:33,271 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 20:07:33,271 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:07:33,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 20:07:33,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 20:07:33,272 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 6 states. [2019-11-28 20:07:33,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:07:33,352 INFO L93 Difference]: Finished difference Result 15 states and 14 transitions. [2019-11-28 20:07:33,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 20:07:33,352 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2019-11-28 20:07:33,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:07:33,353 INFO L225 Difference]: With dead ends: 15 [2019-11-28 20:07:33,354 INFO L226 Difference]: Without dead ends: 15 [2019-11-28 20:07:33,354 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-28 20:07:33,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-11-28 20:07:33,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-11-28 20:07:33,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-28 20:07:33,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2019-11-28 20:07:33,358 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 11 [2019-11-28 20:07:33,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:07:33,358 INFO L462 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2019-11-28 20:07:33,359 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 20:07:33,359 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2019-11-28 20:07:33,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-28 20:07:33,360 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:07:33,360 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:07:33,360 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9ENSURES_VIOLATIONMEMORY_LEAK, mainErr8ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr7ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-28 20:07:33,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:07:33,361 INFO L82 PathProgramCache]: Analyzing trace with hash -1276826130, now seen corresponding path program 1 times [2019-11-28 20:07:33,361 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:07:33,361 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17387439] [2019-11-28 20:07:33,362 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:07:33,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:07:33,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:07:33,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:07:33,488 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17387439] [2019-11-28 20:07:33,490 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:07:33,490 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 20:07:33,491 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191682066] [2019-11-28 20:07:33,491 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 20:07:33,491 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:07:33,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 20:07:33,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 20:07:33,492 INFO L87 Difference]: Start difference. First operand 15 states and 14 transitions. Second operand 6 states. [2019-11-28 20:07:33,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:07:33,565 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2019-11-28 20:07:33,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 20:07:33,565 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2019-11-28 20:07:33,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:07:33,566 INFO L225 Difference]: With dead ends: 14 [2019-11-28 20:07:33,566 INFO L226 Difference]: Without dead ends: 14 [2019-11-28 20:07:33,566 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-28 20:07:33,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-11-28 20:07:33,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2019-11-28 20:07:33,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-11-28 20:07:33,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 13 transitions. [2019-11-28 20:07:33,569 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 13 transitions. Word has length 12 [2019-11-28 20:07:33,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:07:33,570 INFO L462 AbstractCegarLoop]: Abstraction has 14 states and 13 transitions. [2019-11-28 20:07:33,570 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 20:07:33,570 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2019-11-28 20:07:33,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-28 20:07:33,571 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:07:33,571 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:07:33,571 INFO L410 AbstractCegarLoop]: === Iteration 6 === [mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9ENSURES_VIOLATIONMEMORY_LEAK, mainErr8ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr7ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-28 20:07:33,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:07:33,572 INFO L82 PathProgramCache]: Analyzing trace with hash -926904310, now seen corresponding path program 1 times [2019-11-28 20:07:33,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:07:33,572 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244086993] [2019-11-28 20:07:33,572 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:07:33,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:07:33,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:07:33,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:07:33,757 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244086993] [2019-11-28 20:07:33,757 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:07:33,758 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 20:07:33,758 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402806617] [2019-11-28 20:07:33,758 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 20:07:33,758 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:07:33,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 20:07:33,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-28 20:07:33,759 INFO L87 Difference]: Start difference. First operand 14 states and 13 transitions. Second operand 7 states. [2019-11-28 20:07:33,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:07:33,852 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2019-11-28 20:07:33,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 20:07:33,853 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2019-11-28 20:07:33,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:07:33,853 INFO L225 Difference]: With dead ends: 13 [2019-11-28 20:07:33,853 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 20:07:33,854 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-11-28 20:07:33,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 20:07:33,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 20:07:33,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 20:07:33,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 20:07:33,855 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-11-28 20:07:33,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:07:33,855 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:07:33,855 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 20:07:33,856 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 20:07:33,856 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 20:07:33,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 08:07:33 BoogieIcfgContainer [2019-11-28 20:07:33,862 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 20:07:33,862 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:07:33,862 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:07:33,863 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:07:33,863 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:07:32" (3/4) ... [2019-11-28 20:07:33,867 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 20:07:33,875 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-11-28 20:07:33,875 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2019-11-28 20:07:33,876 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2019-11-28 20:07:33,876 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint16_identity [2019-11-28 20:07:33,876 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint64_identity [2019-11-28 20:07:33,876 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-11-28 20:07:33,877 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint32_identity [2019-11-28 20:07:33,882 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-11-28 20:07:33,882 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-28 20:07:33,882 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 20:07:33,883 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 20:07:33,927 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 20:07:33,927 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:07:33,930 INFO L168 Benchmark]: Toolchain (without parser) took 3085.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 960.4 MB in the beginning and 960.6 MB in the end (delta: -291.5 kB). Peak memory consumption was 148.6 MB. Max. memory is 11.5 GB. [2019-11-28 20:07:33,931 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:07:33,932 INFO L168 Benchmark]: CACSL2BoogieTranslator took 547.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -175.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-11-28 20:07:33,932 INFO L168 Benchmark]: Boogie Preprocessor took 89.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:07:33,933 INFO L168 Benchmark]: RCFGBuilder took 755.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.7 MB). Peak memory consumption was 44.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:07:33,933 INFO L168 Benchmark]: TraceAbstraction took 1622.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 967.2 MB in the end (delta: 118.4 MB). Peak memory consumption was 118.4 MB. Max. memory is 11.5 GB. [2019-11-28 20:07:33,934 INFO L168 Benchmark]: Witness Printer took 65.07 ms. Allocated memory is still 1.2 GB. Free memory was 967.2 MB in the beginning and 960.6 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 20:07:33,937 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 547.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -175.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 89.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 755.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.7 MB). Peak memory consumption was 44.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1622.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 967.2 MB in the end (delta: 118.4 MB). Peak memory consumption was 118.4 MB. Max. memory is 11.5 GB. * Witness Printer took 65.07 ms. Allocated memory is still 1.2 GB. Free memory was 967.2 MB in the beginning and 960.6 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 523]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 523]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 524]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 524]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 512]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 524]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 522]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 522]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 524]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 524]: free always succeeds For all program executions holds that free always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 41 locations, 10 error locations. Result: SAFE, OverallTime: 1.5s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 47 SDtfs, 61 SDslu, 72 SDs, 0 SdLazy, 170 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 13 SyntacticMatches, 4 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 3568 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...