./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-ext-properties/test-0158_1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 30f4e4ab 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/list-ext-properties/test-0158_1-2.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 3187b9137fe836a772e635b057217bb3e86134c2 ............................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 -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/list-ext-properties/test-0158_1-2.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 3187b9137fe836a772e635b057217bb3e86134c2 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 02:37:05,433 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:37:05,435 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:37:05,451 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:37:05,452 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:37:05,453 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:37:05,455 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:37:05,457 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:37:05,458 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:37:05,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:37:05,460 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:37:05,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:37:05,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:37:05,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:37:05,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:37:05,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:37:05,466 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:37:05,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:37:05,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:37:05,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:37:05,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:37:05,474 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:37:05,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:37:05,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:37:05,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:37:05,479 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:37:05,480 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:37:05,481 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:37:05,481 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:37:05,482 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:37:05,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:37:05,483 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:37:05,484 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:37:05,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:37:05,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:37:05,486 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:37:05,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:37:05,487 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:37:05,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:37:05,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:37:05,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:37:05,490 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-28 02:37:05,509 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:37:05,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:37:05,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:37:05,511 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:37:05,511 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:37:05,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:37:05,512 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 02:37:05,512 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:37:05,513 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:37:05,513 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 02:37:05,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:37:05,514 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 02:37:05,514 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 02:37:05,514 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 02:37:05,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 02:37:05,515 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 02:37:05,515 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 02:37:05,515 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:37:05,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:37:05,516 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:37:05,516 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 02:37:05,517 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 02:37:05,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:37:05,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:37:05,517 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 02:37:05,518 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 02:37:05,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 02:37:05,518 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 -> 3187b9137fe836a772e635b057217bb3e86134c2 [2019-11-28 02:37:05,827 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:37:05,847 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:37:05,851 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:37:05,852 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:37:05,853 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:37:05,853 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext-properties/test-0158_1-2.i [2019-11-28 02:37:05,925 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09196c202/f695b10ed36b404c852ec63e7ec958e8/FLAGb781c7326 [2019-11-28 02:37:06,382 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:37:06,384 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext-properties/test-0158_1-2.i [2019-11-28 02:37:06,395 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09196c202/f695b10ed36b404c852ec63e7ec958e8/FLAGb781c7326 [2019-11-28 02:37:06,768 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09196c202/f695b10ed36b404c852ec63e7ec958e8 [2019-11-28 02:37:06,771 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:37:06,773 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 02:37:06,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:37:06,774 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:37:06,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:37:06,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:37:06" (1/1) ... [2019-11-28 02:37:06,781 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@170cd080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:06, skipping insertion in model container [2019-11-28 02:37:06,782 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:37:06" (1/1) ... [2019-11-28 02:37:06,789 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:37:06,831 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:37:07,153 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:37:07,160 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 02:37:07,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:37:07,268 INFO L208 MainTranslator]: Completed translation [2019-11-28 02:37:07,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:07 WrapperNode [2019-11-28 02:37:07,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:37:07,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 02:37:07,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 02:37:07,270 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 02:37:07,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:07" (1/1) ... [2019-11-28 02:37:07,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:07" (1/1) ... [2019-11-28 02:37:07,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:07" (1/1) ... [2019-11-28 02:37:07,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:07" (1/1) ... [2019-11-28 02:37:07,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:07" (1/1) ... [2019-11-28 02:37:07,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:07" (1/1) ... [2019-11-28 02:37:07,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:07" (1/1) ... [2019-11-28 02:37:07,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 02:37:07,331 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 02:37:07,332 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 02:37:07,332 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 02:37:07,333 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:07" (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 02:37:07,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 02:37:07,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 02:37:07,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-28 02:37:07,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-28 02:37:07,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-28 02:37:07,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-28 02:37:07,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-28 02:37:07,409 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 02:37:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-28 02:37:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-28 02:37:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-28 02:37:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-28 02:37:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-28 02:37:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-28 02:37:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-28 02:37:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-28 02:37:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-28 02:37:07,416 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-28 02:37:07,416 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-28 02:37:07,416 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-28 02:37:07,417 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-28 02:37:07,417 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-28 02:37:07,417 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-28 02:37:07,417 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-28 02:37:07,417 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-28 02:37:07,418 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-28 02:37:07,418 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-28 02:37:07,418 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-28 02:37:07,419 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-28 02:37:07,419 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-28 02:37:07,419 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-28 02:37:07,419 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-28 02:37:07,419 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-28 02:37:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-28 02:37:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-28 02:37:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-28 02:37:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-28 02:37:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-28 02:37:07,421 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-28 02:37:07,421 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-28 02:37:07,421 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-28 02:37:07,421 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-28 02:37:07,421 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-28 02:37:07,422 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-28 02:37:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-28 02:37:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-28 02:37:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-28 02:37:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-28 02:37:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-28 02:37:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-28 02:37:07,425 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-28 02:37:07,425 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-28 02:37:07,425 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-28 02:37:07,425 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-28 02:37:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-28 02:37:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-28 02:37:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-28 02:37:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-28 02:37:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-28 02:37:07,427 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-28 02:37:07,427 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-28 02:37:07,427 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-28 02:37:07,428 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-28 02:37:07,428 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-28 02:37:07,428 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-28 02:37:07,428 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-28 02:37:07,428 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-28 02:37:07,429 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-28 02:37:07,429 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-28 02:37:07,430 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-28 02:37:07,430 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-28 02:37:07,430 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-28 02:37:07,430 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-28 02:37:07,431 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-28 02:37:07,431 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-28 02:37:07,432 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-28 02:37:07,433 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-28 02:37:07,433 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-28 02:37:07,434 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-28 02:37:07,434 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-28 02:37:07,434 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-28 02:37:07,434 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-28 02:37:07,434 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-28 02:37:07,435 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-28 02:37:07,435 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-28 02:37:07,435 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-28 02:37:07,435 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-28 02:37:07,435 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-28 02:37:07,436 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-28 02:37:07,436 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-28 02:37:07,436 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-28 02:37:07,436 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-28 02:37:07,436 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-28 02:37:07,437 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-28 02:37:07,437 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-28 02:37:07,437 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-28 02:37:07,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-28 02:37:07,437 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-28 02:37:07,438 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-28 02:37:07,438 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-28 02:37:07,438 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-28 02:37:07,438 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-28 02:37:07,438 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-28 02:37:07,439 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-28 02:37:07,439 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-28 02:37:07,439 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-28 02:37:07,439 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-28 02:37:07,439 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-28 02:37:07,440 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-28 02:37:07,440 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-28 02:37:07,440 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-28 02:37:07,440 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-28 02:37:07,441 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-28 02:37:07,441 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-28 02:37:07,441 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-28 02:37:07,442 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-28 02:37:07,442 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-28 02:37:07,442 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 02:37:07,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 02:37:07,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 02:37:07,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 02:37:07,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 02:37:07,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 02:37:07,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 02:37:07,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 02:37:07,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 02:37:07,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 02:37:07,968 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 02:37:07,970 INFO L297 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-28 02:37:07,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:37:07 BoogieIcfgContainer [2019-11-28 02:37:07,971 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 02:37:07,973 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 02:37:07,974 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 02:37:07,980 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 02:37:07,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:37:06" (1/3) ... [2019-11-28 02:37:07,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d97cfc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:37:07, skipping insertion in model container [2019-11-28 02:37:07,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:07" (2/3) ... [2019-11-28 02:37:07,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d97cfc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:37:07, skipping insertion in model container [2019-11-28 02:37:07,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:37:07" (3/3) ... [2019-11-28 02:37:07,987 INFO L109 eAbstractionObserver]: Analyzing ICFG test-0158_1-2.i [2019-11-28 02:37:07,998 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 02:37:08,006 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2019-11-28 02:37:08,021 INFO L249 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2019-11-28 02:37:08,053 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 02:37:08,054 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 02:37:08,062 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 02:37:08,063 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 02:37:08,063 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 02:37:08,063 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 02:37:08,064 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 02:37:08,064 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 02:37:08,083 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2019-11-28 02:37:08,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-28 02:37:08,094 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:37:08,095 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:37:08,095 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr10ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION]=== [2019-11-28 02:37:08,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:37:08,101 INFO L82 PathProgramCache]: Analyzing trace with hash 685527250, now seen corresponding path program 1 times [2019-11-28 02:37:08,110 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:37:08,111 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429929877] [2019-11-28 02:37:08,111 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:37:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:37:08,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:37:08,324 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 02:37:08,324 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429929877] [2019-11-28 02:37:08,325 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:37:08,325 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 02:37:08,329 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862149186] [2019-11-28 02:37:08,340 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 02:37:08,341 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:37:08,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 02:37:08,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 02:37:08,364 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 4 states. [2019-11-28 02:37:08,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:37:08,482 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2019-11-28 02:37:08,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 02:37:08,485 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-28 02:37:08,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:37:08,499 INFO L225 Difference]: With dead ends: 25 [2019-11-28 02:37:08,500 INFO L226 Difference]: Without dead ends: 22 [2019-11-28 02:37:08,503 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 02:37:08,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-11-28 02:37:08,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2019-11-28 02:37:08,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-28 02:37:08,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2019-11-28 02:37:08,538 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 7 [2019-11-28 02:37:08,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:37:08,538 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2019-11-28 02:37:08,539 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 02:37:08,539 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2019-11-28 02:37:08,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-28 02:37:08,539 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:37:08,540 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:37:08,540 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr10ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION]=== [2019-11-28 02:37:08,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:37:08,540 INFO L82 PathProgramCache]: Analyzing trace with hash 685527251, now seen corresponding path program 1 times [2019-11-28 02:37:08,541 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:37:08,541 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246814236] [2019-11-28 02:37:08,541 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:37:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:37:08,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:37:08,667 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 02:37:08,668 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246814236] [2019-11-28 02:37:08,669 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:37:08,669 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 02:37:08,669 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950031348] [2019-11-28 02:37:08,671 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 02:37:08,672 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:37:08,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 02:37:08,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 02:37:08,674 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand 4 states. [2019-11-28 02:37:08,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:37:08,725 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2019-11-28 02:37:08,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 02:37:08,725 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-28 02:37:08,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:37:08,726 INFO L225 Difference]: With dead ends: 17 [2019-11-28 02:37:08,726 INFO L226 Difference]: Without dead ends: 17 [2019-11-28 02:37:08,727 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 02:37:08,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-11-28 02:37:08,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-11-28 02:37:08,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-28 02:37:08,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2019-11-28 02:37:08,731 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 7 [2019-11-28 02:37:08,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:37:08,731 INFO L462 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2019-11-28 02:37:08,731 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 02:37:08,731 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2019-11-28 02:37:08,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-28 02:37:08,732 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:37:08,732 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:37:08,733 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr10ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION]=== [2019-11-28 02:37:08,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:37:08,733 INFO L82 PathProgramCache]: Analyzing trace with hash 849270888, now seen corresponding path program 1 times [2019-11-28 02:37:08,733 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:37:08,734 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895211958] [2019-11-28 02:37:08,734 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:37:08,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:37:08,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:37:08,807 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:37:08,807 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 02:37:08,821 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-11-28 02:37:08,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:37:08 BoogieIcfgContainer [2019-11-28 02:37:08,833 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 02:37:08,833 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 02:37:08,834 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 02:37:08,834 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 02:37:08,834 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:37:07" (3/4) ... [2019-11-28 02:37:08,838 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 02:37:08,838 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 02:37:08,841 INFO L168 Benchmark]: Toolchain (without parser) took 2067.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 956.3 MB in the beginning and 1.0 GB in the end (delta: -73.3 MB). Peak memory consumption was 70.9 MB. Max. memory is 11.5 GB. [2019-11-28 02:37:08,842 INFO L168 Benchmark]: CDTParser took 1.36 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:37:08,843 INFO L168 Benchmark]: CACSL2BoogieTranslator took 495.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -175.0 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2019-11-28 02:37:08,844 INFO L168 Benchmark]: Boogie Preprocessor took 61.24 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 02:37:08,845 INFO L168 Benchmark]: RCFGBuilder took 640.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.8 MB). Peak memory consumption was 43.8 MB. Max. memory is 11.5 GB. [2019-11-28 02:37:08,845 INFO L168 Benchmark]: TraceAbstraction took 860.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.0 MB). Peak memory consumption was 46.0 MB. Max. memory is 11.5 GB. [2019-11-28 02:37:08,846 INFO L168 Benchmark]: Witness Printer took 4.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:37:08,850 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.36 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 495.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -175.0 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 61.24 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 640.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.8 MB). Peak memory consumption was 43.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 860.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.0 MB). Peak memory consumption was 46.0 MB. Max. memory is 11.5 GB. * Witness Printer took 4.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 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: 513]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 513. Possible FailurePath: [L515-L522] union { void *p0; struct { char c[2]; int p1; int p2; } str; } data; [L523] data.p0 = malloc(37U) VAL [data={2:0}, malloc(37U)={-1:0}] [L524] COND FALSE !(__VERIFIER_nondet_int()) [L527] data.str.p2 = 30 VAL [data={2:0}, malloc(37U)={-1:0}] [L529] EXPR data.str.p2 VAL [data={2:0}, data.str.p2=30, malloc(37U)={-1:0}] [L529] COND FALSE !(25 > data.str.p2) [L532] return 0; [L532] return 0; VAL [\result=0, malloc(37U)={-1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 45 locations, 11 error locations. Result: UNSAFE, OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 23 SDtfs, 25 SDslu, 15 SDs, 0 SdLazy, 62 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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=30occurred 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, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 252 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, 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 0.1.24-30f4e4a [2019-11-28 02:37:10,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:37:10,836 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:37:10,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:37:10,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:37:10,856 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:37:10,858 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:37:10,867 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:37:10,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:37:10,876 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:37:10,877 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:37:10,879 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:37:10,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:37:10,882 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:37:10,883 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:37:10,885 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:37:10,886 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:37:10,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:37:10,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:37:10,894 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:37:10,898 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:37:10,902 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:37:10,903 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:37:10,904 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:37:10,908 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:37:10,909 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:37:10,909 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:37:10,911 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:37:10,911 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:37:10,912 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:37:10,912 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:37:10,913 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:37:10,914 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:37:10,915 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:37:10,916 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:37:10,917 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:37:10,918 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:37:10,918 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:37:10,918 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:37:10,919 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:37:10,920 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:37:10,921 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-28 02:37:10,956 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:37:10,958 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:37:10,959 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:37:10,961 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:37:10,961 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:37:10,961 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:37:10,963 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 02:37:10,963 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:37:10,963 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:37:10,963 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 02:37:10,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:37:10,965 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 02:37:10,965 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 02:37:10,965 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 02:37:10,968 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 02:37:10,968 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 02:37:10,968 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 02:37:10,968 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 02:37:10,969 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 02:37:10,969 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:37:10,969 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:37:10,970 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:37:10,970 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 02:37:10,970 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 02:37:10,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:37:10,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:37:10,971 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 02:37:10,972 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 02:37:10,972 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 02:37:10,973 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 02:37:10,973 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3187b9137fe836a772e635b057217bb3e86134c2 [2019-11-28 02:37:11,294 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:37:11,311 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:37:11,315 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:37:11,317 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:37:11,318 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:37:11,319 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext-properties/test-0158_1-2.i [2019-11-28 02:37:11,388 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0875608c6/1558390ef9a84f1789a7f341e708ca96/FLAGc12b4ed36 [2019-11-28 02:37:11,877 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:37:11,879 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext-properties/test-0158_1-2.i [2019-11-28 02:37:11,891 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0875608c6/1558390ef9a84f1789a7f341e708ca96/FLAGc12b4ed36 [2019-11-28 02:37:12,243 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0875608c6/1558390ef9a84f1789a7f341e708ca96 [2019-11-28 02:37:12,247 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:37:12,249 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 02:37:12,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:37:12,253 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:37:12,256 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:37:12,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:37:12" (1/1) ... [2019-11-28 02:37:12,260 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1af752d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:12, skipping insertion in model container [2019-11-28 02:37:12,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:37:12" (1/1) ... [2019-11-28 02:37:12,274 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:37:12,314 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:37:12,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:37:12,705 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 02:37:12,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:37:12,854 INFO L208 MainTranslator]: Completed translation [2019-11-28 02:37:12,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:12 WrapperNode [2019-11-28 02:37:12,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:37:12,856 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 02:37:12,856 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 02:37:12,856 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 02:37:12,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:12" (1/1) ... [2019-11-28 02:37:12,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:12" (1/1) ... [2019-11-28 02:37:12,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:12" (1/1) ... [2019-11-28 02:37:12,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:12" (1/1) ... [2019-11-28 02:37:12,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:12" (1/1) ... [2019-11-28 02:37:12,922 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:12" (1/1) ... [2019-11-28 02:37:12,926 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:12" (1/1) ... [2019-11-28 02:37:12,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 02:37:12,933 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 02:37:12,933 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 02:37:12,934 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 02:37:12,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:12" (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 02:37:12,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 02:37:12,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 02:37:12,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 02:37:12,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-28 02:37:12,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-28 02:37:12,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-28 02:37:12,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-28 02:37:12,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-28 02:37:12,995 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 02:37:12,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-28 02:37:12,995 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-28 02:37:12,996 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-28 02:37:12,996 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-28 02:37:12,996 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-28 02:37:12,996 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-28 02:37:12,997 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-28 02:37:12,997 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-28 02:37:12,997 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-28 02:37:12,997 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-28 02:37:12,997 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-28 02:37:12,998 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-28 02:37:12,998 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-28 02:37:12,998 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-28 02:37:12,998 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-28 02:37:12,999 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-28 02:37:12,999 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-28 02:37:12,999 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-28 02:37:12,999 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-28 02:37:12,999 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-28 02:37:13,000 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-28 02:37:13,000 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-28 02:37:13,000 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-28 02:37:13,000 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-28 02:37:13,001 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-28 02:37:13,001 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-28 02:37:13,001 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-28 02:37:13,001 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-28 02:37:13,001 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-28 02:37:13,002 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-28 02:37:13,002 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-28 02:37:13,002 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-28 02:37:13,002 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-28 02:37:13,002 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-28 02:37:13,003 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-28 02:37:13,003 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-28 02:37:13,003 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-28 02:37:13,003 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-28 02:37:13,003 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-28 02:37:13,004 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-28 02:37:13,004 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-28 02:37:13,004 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-28 02:37:13,004 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-28 02:37:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-28 02:37:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-28 02:37:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-28 02:37:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-28 02:37:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-28 02:37:13,006 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-28 02:37:13,006 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-28 02:37:13,006 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-28 02:37:13,006 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-28 02:37:13,006 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-28 02:37:13,007 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-28 02:37:13,007 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-28 02:37:13,007 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-28 02:37:13,007 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-28 02:37:13,008 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-28 02:37:13,008 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-28 02:37:13,008 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-28 02:37:13,008 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-28 02:37:13,008 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-28 02:37:13,009 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-28 02:37:13,009 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-28 02:37:13,009 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-28 02:37:13,009 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-28 02:37:13,009 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-28 02:37:13,010 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-28 02:37:13,010 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-28 02:37:13,010 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-28 02:37:13,010 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-28 02:37:13,011 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-28 02:37:13,011 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-28 02:37:13,011 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-28 02:37:13,011 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-28 02:37:13,012 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-28 02:37:13,012 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-28 02:37:13,012 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-28 02:37:13,012 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-28 02:37:13,012 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-28 02:37:13,013 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-28 02:37:13,013 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-28 02:37:13,013 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-28 02:37:13,013 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-28 02:37:13,014 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-28 02:37:13,014 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-28 02:37:13,014 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-28 02:37:13,014 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-28 02:37:13,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-28 02:37:13,015 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-28 02:37:13,015 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-28 02:37:13,015 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-28 02:37:13,015 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-28 02:37:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-28 02:37:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-28 02:37:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-28 02:37:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-28 02:37:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-28 02:37:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-28 02:37:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-28 02:37:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-28 02:37:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-28 02:37:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-28 02:37:13,018 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-28 02:37:13,018 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-28 02:37:13,018 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-28 02:37:13,018 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-28 02:37:13,018 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-28 02:37:13,019 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-28 02:37:13,019 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 02:37:13,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 02:37:13,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 02:37:13,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 02:37:13,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 02:37:13,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 02:37:13,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-11-28 02:37:13,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 02:37:13,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 02:37:13,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 02:37:13,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 02:37:13,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 02:37:13,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-11-28 02:37:13,579 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 02:37:13,579 INFO L297 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-28 02:37:13,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:37:13 BoogieIcfgContainer [2019-11-28 02:37:13,580 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 02:37:13,581 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 02:37:13,581 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 02:37:13,584 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 02:37:13,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:37:12" (1/3) ... [2019-11-28 02:37:13,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@943605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:37:13, skipping insertion in model container [2019-11-28 02:37:13,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:12" (2/3) ... [2019-11-28 02:37:13,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@943605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:37:13, skipping insertion in model container [2019-11-28 02:37:13,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:37:13" (3/3) ... [2019-11-28 02:37:13,587 INFO L109 eAbstractionObserver]: Analyzing ICFG test-0158_1-2.i [2019-11-28 02:37:13,595 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 02:37:13,602 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2019-11-28 02:37:13,612 INFO L249 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2019-11-28 02:37:13,627 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 02:37:13,628 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 02:37:13,628 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 02:37:13,628 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 02:37:13,628 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 02:37:13,628 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 02:37:13,629 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 02:37:13,629 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 02:37:13,641 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2019-11-28 02:37:13,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-28 02:37:13,649 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:37:13,650 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:37:13,651 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr10ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION]=== [2019-11-28 02:37:13,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:37:13,657 INFO L82 PathProgramCache]: Analyzing trace with hash -1500926649, now seen corresponding path program 1 times [2019-11-28 02:37:13,668 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:37:13,668 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1074264525] [2019-11-28 02:37:13,669 INFO L94 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 [2019-11-28 02:37:13,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:37:13,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 02:37:13,855 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:37:13,948 INFO L343 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2019-11-28 02:37:13,949 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2019-11-28 02:37:13,950 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:37:13,960 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:13,962 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 02:37:13,962 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:9, output treesize:11 [2019-11-28 02:37:13,982 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 02:37:13,982 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:37:13,997 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 02:37:13,998 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1074264525] [2019-11-28 02:37:13,999 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:37:13,999 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-28 02:37:14,000 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041343496] [2019-11-28 02:37:14,005 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 02:37:14,006 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:37:14,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 02:37:14,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 02:37:14,024 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 3 states. [2019-11-28 02:37:14,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:37:14,144 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2019-11-28 02:37:14,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 02:37:14,146 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-11-28 02:37:14,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:37:14,157 INFO L225 Difference]: With dead ends: 24 [2019-11-28 02:37:14,158 INFO L226 Difference]: Without dead ends: 21 [2019-11-28 02:37:14,159 INFO L630 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 [2019-11-28 02:37:14,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-28 02:37:14,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-28 02:37:14,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-28 02:37:14,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2019-11-28 02:37:14,201 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 7 [2019-11-28 02:37:14,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:37:14,201 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2019-11-28 02:37:14,201 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 02:37:14,201 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2019-11-28 02:37:14,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-28 02:37:14,202 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:37:14,202 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:37:14,423 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 02:37:14,424 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr10ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION]=== [2019-11-28 02:37:14,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:37:14,425 INFO L82 PathProgramCache]: Analyzing trace with hash -1500926648, now seen corresponding path program 1 times [2019-11-28 02:37:14,426 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:37:14,427 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1600242386] [2019-11-28 02:37:14,427 INFO L94 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 [2019-11-28 02:37:14,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:37:14,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 02:37:14,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:37:14,551 INFO L404 ElimStorePlain]: Different costs {0=[|v_#length_17|], 1=[|v_#valid_29|]} [2019-11-28 02:37:14,563 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 02:37:14,566 INFO L377 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 [2019-11-28 02:37:14,566 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:37:14,580 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:14,584 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 02:37:14,590 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2019-11-28 02:37:14,591 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 02:37:14,602 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:14,603 INFO L508 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. [2019-11-28 02:37:14,603 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:21, output treesize:14 [2019-11-28 02:37:14,618 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 02:37:14,618 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:37:14,685 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 02:37:14,686 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1600242386] [2019-11-28 02:37:14,686 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:37:14,686 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-11-28 02:37:14,686 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796626433] [2019-11-28 02:37:14,689 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 02:37:14,691 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:37:14,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 02:37:14,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 02:37:14,693 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 4 states. [2019-11-28 02:37:14,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:37:14,764 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2019-11-28 02:37:14,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 02:37:14,766 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-28 02:37:14,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:37:14,767 INFO L225 Difference]: With dead ends: 16 [2019-11-28 02:37:14,767 INFO L226 Difference]: Without dead ends: 16 [2019-11-28 02:37:14,768 INFO L630 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 [2019-11-28 02:37:14,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-28 02:37:14,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-28 02:37:14,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-28 02:37:14,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2019-11-28 02:37:14,774 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 7 [2019-11-28 02:37:14,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:37:14,778 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2019-11-28 02:37:14,779 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 02:37:14,779 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2019-11-28 02:37:14,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-28 02:37:14,780 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:37:14,780 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:37:14,991 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-28 02:37:14,991 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr10ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION]=== [2019-11-28 02:37:14,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:37:14,992 INFO L82 PathProgramCache]: Analyzing trace with hash 676708179, now seen corresponding path program 1 times [2019-11-28 02:37:14,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:37:14,993 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [747381285] [2019-11-28 02:37:14,993 INFO L94 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 [2019-11-28 02:37:15,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:37:15,092 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-28 02:37:15,094 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:37:15,112 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2019-11-28 02:37:15,112 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:37:15,124 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:15,124 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 02:37:15,125 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2019-11-28 02:37:15,145 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 7 [2019-11-28 02:37:15,146 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:37:15,149 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:15,149 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 02:37:15,149 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:19, output treesize:5 [2019-11-28 02:37:15,168 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 02:37:15,172 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:37:15,216 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 02:37:15,219 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [747381285] [2019-11-28 02:37:15,219 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:37:15,220 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-28 02:37:15,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468082611] [2019-11-28 02:37:15,220 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 02:37:15,221 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:37:15,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 02:37:15,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-28 02:37:15,222 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand 6 states. [2019-11-28 02:37:15,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:37:15,329 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2019-11-28 02:37:15,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 02:37:15,331 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2019-11-28 02:37:15,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:37:15,332 INFO L225 Difference]: With dead ends: 20 [2019-11-28 02:37:15,332 INFO L226 Difference]: Without dead ends: 20 [2019-11-28 02:37:15,333 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-28 02:37:15,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-11-28 02:37:15,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2019-11-28 02:37:15,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-28 02:37:15,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2019-11-28 02:37:15,339 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 13 [2019-11-28 02:37:15,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:37:15,339 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2019-11-28 02:37:15,339 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 02:37:15,340 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2019-11-28 02:37:15,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-28 02:37:15,340 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:37:15,340 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:37:15,547 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-28 02:37:15,548 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr10ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION]=== [2019-11-28 02:37:15,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:37:15,549 INFO L82 PathProgramCache]: Analyzing trace with hash 824471539, now seen corresponding path program 1 times [2019-11-28 02:37:15,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:37:15,551 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1293612372] [2019-11-28 02:37:15,551 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-28 02:37:15,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:37:15,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:37:15,769 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-28 02:37:15,770 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 02:37:15,970 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-28 02:37:15,987 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-11-28 02:37:16,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:37:16 BoogieIcfgContainer [2019-11-28 02:37:16,006 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 02:37:16,006 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 02:37:16,007 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 02:37:16,007 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 02:37:16,007 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:37:13" (3/4) ... [2019-11-28 02:37:16,011 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 02:37:16,011 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 02:37:16,014 INFO L168 Benchmark]: Toolchain (without parser) took 3764.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 956.3 MB in the beginning and 884.5 MB in the end (delta: 71.9 MB). Peak memory consumption was 210.3 MB. Max. memory is 11.5 GB. [2019-11-28 02:37:16,015 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:37:16,023 INFO L168 Benchmark]: CACSL2BoogieTranslator took 603.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -164.0 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2019-11-28 02:37:16,024 INFO L168 Benchmark]: Boogie Preprocessor took 76.90 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-28 02:37:16,024 INFO L168 Benchmark]: RCFGBuilder took 647.20 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: 44.2 MB). Peak memory consumption was 44.2 MB. Max. memory is 11.5 GB. [2019-11-28 02:37:16,026 INFO L168 Benchmark]: TraceAbstraction took 2424.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 884.5 MB in the end (delta: 178.0 MB). Peak memory consumption was 178.0 MB. Max. memory is 11.5 GB. [2019-11-28 02:37:16,026 INFO L168 Benchmark]: Witness Printer took 5.06 ms. Allocated memory is still 1.2 GB. Free memory is still 884.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:37:16,036 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 603.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -164.0 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 76.90 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 647.20 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: 44.2 MB). Peak memory consumption was 44.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2424.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 884.5 MB in the end (delta: 178.0 MB). Peak memory consumption was 178.0 MB. Max. memory is 11.5 GB. * Witness Printer took 5.06 ms. Allocated memory is still 1.2 GB. Free memory is still 884.5 MB. There was no memory consumed. Max. memory is 11.5 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: 513]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 513. Possible FailurePath: [L515-L522] union { void *p0; struct { char c[2]; int p1; int p2; } str; } data; [L523] data.p0 = malloc(37U) VAL [data={3:0}, malloc(37U)={1:0}] [L524] COND FALSE !(__VERIFIER_nondet_int()) [L527] data.str.p2 = 30 VAL [data={3:0}, malloc(37U)={1:0}] [L529] EXPR data.str.p2 VAL [data={3:0}, data.str.p2=30, malloc(37U)={1:0}] [L529] COND FALSE !(25 > data.str.p2) [L532] return 0; [L532] return 0; VAL [\result=0, malloc(37U)={1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 50 locations, 11 error locations. Result: UNSAFE, OverallTime: 2.3s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 39 SDtfs, 25 SDslu, 54 SDs, 0 SdLazy, 44 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred 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, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 48 ConstructedInterpolants, 1 QuantifiedInterpolants, 948 SizeOfPredicates, 8 NumberOfNonLiveVariables, 143 ConjunctsInSsa, 9 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request...