./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/forester-heap/dll-rb-cnstr_1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f4d5612c 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/forester-heap/dll-rb-cnstr_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 1f270b702de634d3ad2ee5a400388c6410a4cf10 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-memtrack) --- Real Ultimate output --- This is Ultimate 0.1.24-f4d5612 [2019-11-28 12:40:25,576 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 12:40:25,578 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 12:40:25,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 12:40:25,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 12:40:25,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 12:40:25,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 12:40:25,613 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 12:40:25,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 12:40:25,621 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 12:40:25,622 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 12:40:25,624 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 12:40:25,625 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 12:40:25,628 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 12:40:25,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 12:40:25,631 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 12:40:25,632 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 12:40:25,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 12:40:25,636 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 12:40:25,640 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 12:40:25,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 12:40:25,649 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 12:40:25,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 12:40:25,652 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 12:40:25,656 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 12:40:25,656 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 12:40:25,657 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 12:40:25,659 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 12:40:25,659 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 12:40:25,660 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 12:40:25,660 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 12:40:25,661 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 12:40:25,662 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 12:40:25,663 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 12:40:25,664 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 12:40:25,664 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 12:40:25,665 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 12:40:25,665 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 12:40:25,666 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 12:40:25,667 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 12:40:25,668 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 12:40:25,669 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-28 12:40:25,695 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 12:40:25,697 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 12:40:25,703 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 12:40:25,706 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 12:40:25,706 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 12:40:25,707 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 12:40:25,708 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 12:40:25,708 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 12:40:25,708 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 12:40:25,708 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 12:40:25,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 12:40:25,710 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 12:40:25,710 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 12:40:25,710 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 12:40:25,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 12:40:25,711 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 12:40:25,711 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 12:40:25,711 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 12:40:25,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 12:40:25,712 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 12:40:25,713 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 12:40:25,713 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 12:40:25,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 12:40:25,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 12:40:25,715 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 12:40:25,716 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 12:40:25,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 12:40:25,716 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 -> 1f270b702de634d3ad2ee5a400388c6410a4cf10 [2019-11-28 12:40:26,010 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 12:40:26,029 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 12:40:26,033 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 12:40:26,035 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 12:40:26,035 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 12:40:26,036 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-rb-cnstr_1-2.i [2019-11-28 12:40:26,117 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a11d82718/634d3c4e9bff43a0924b4b7e88ed94d8/FLAG367538729 [2019-11-28 12:40:26,640 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 12:40:26,641 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-rb-cnstr_1-2.i [2019-11-28 12:40:26,657 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a11d82718/634d3c4e9bff43a0924b4b7e88ed94d8/FLAG367538729 [2019-11-28 12:40:26,945 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a11d82718/634d3c4e9bff43a0924b4b7e88ed94d8 [2019-11-28 12:40:26,949 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 12:40:26,951 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 12:40:26,953 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 12:40:26,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 12:40:26,958 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 12:40:26,959 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:40:26" (1/1) ... [2019-11-28 12:40:26,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@120696db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:26, skipping insertion in model container [2019-11-28 12:40:26,963 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:40:26" (1/1) ... [2019-11-28 12:40:26,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 12:40:27,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 12:40:27,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 12:40:27,518 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 12:40:27,557 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 12:40:27,626 INFO L208 MainTranslator]: Completed translation [2019-11-28 12:40:27,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:27 WrapperNode [2019-11-28 12:40:27,627 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 12:40:27,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 12:40:27,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 12:40:27,629 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 12:40:27,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:27" (1/1) ... [2019-11-28 12:40:27,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:27" (1/1) ... [2019-11-28 12:40:27,657 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:27" (1/1) ... [2019-11-28 12:40:27,657 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:27" (1/1) ... [2019-11-28 12:40:27,677 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:27" (1/1) ... [2019-11-28 12:40:27,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:27" (1/1) ... [2019-11-28 12:40:27,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:27" (1/1) ... [2019-11-28 12:40:27,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 12:40:27,695 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 12:40:27,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 12:40:27,696 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 12:40:27,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:27" (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 12:40:27,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 12:40:27,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 12:40:27,751 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 12:40:27,752 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-28 12:40:27,752 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-28 12:40:27,753 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-28 12:40:27,754 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-28 12:40:27,754 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-28 12:40:27,754 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-28 12:40:27,755 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-28 12:40:27,755 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-28 12:40:27,756 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-28 12:40:27,756 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-28 12:40:27,756 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-28 12:40:27,756 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-28 12:40:27,757 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-28 12:40:27,757 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-28 12:40:27,759 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-28 12:40:27,759 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-28 12:40:27,759 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-28 12:40:27,760 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-28 12:40:27,760 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-28 12:40:27,760 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-28 12:40:27,760 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-28 12:40:27,760 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-28 12:40:27,760 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-28 12:40:27,761 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-28 12:40:27,761 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-28 12:40:27,761 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-28 12:40:27,761 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-28 12:40:27,762 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-28 12:40:27,762 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-28 12:40:27,762 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-28 12:40:27,763 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-28 12:40:27,763 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-28 12:40:27,763 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-28 12:40:27,763 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-28 12:40:27,763 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-28 12:40:27,764 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-28 12:40:27,764 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-28 12:40:27,764 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-28 12:40:27,765 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-28 12:40:27,765 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-28 12:40:27,765 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-28 12:40:27,765 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-28 12:40:27,766 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-28 12:40:27,767 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-28 12:40:27,767 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-28 12:40:27,768 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-28 12:40:27,768 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-28 12:40:27,768 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-28 12:40:27,768 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-28 12:40:27,768 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-28 12:40:27,768 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-28 12:40:27,768 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-28 12:40:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-28 12:40:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-28 12:40:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-11-28 12:40:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-28 12:40:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-28 12:40:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-28 12:40:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-28 12:40:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-28 12:40:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-28 12:40:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-28 12:40:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-28 12:40:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-28 12:40:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-28 12:40:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-28 12:40:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-28 12:40:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-28 12:40:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-28 12:40:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-28 12:40:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-28 12:40:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-28 12:40:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-28 12:40:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-28 12:40:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-28 12:40:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-28 12:40:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-28 12:40:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-28 12:40:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-28 12:40:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-28 12:40:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-28 12:40:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-28 12:40:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-28 12:40:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-28 12:40:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-28 12:40:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-28 12:40:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-28 12:40:27,774 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-28 12:40:27,774 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-28 12:40:27,774 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-28 12:40:27,774 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-28 12:40:27,774 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-28 12:40:27,774 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-28 12:40:27,774 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-28 12:40:27,774 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-28 12:40:27,774 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-28 12:40:27,775 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-28 12:40:27,775 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-28 12:40:27,775 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-28 12:40:27,775 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-28 12:40:27,775 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-28 12:40:27,775 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-28 12:40:27,775 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-28 12:40:27,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-28 12:40:27,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-28 12:40:27,776 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 12:40:27,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 12:40:27,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 12:40:27,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 12:40:27,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 12:40:27,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 12:40:27,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 12:40:27,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 12:40:27,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 12:40:28,661 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 12:40:28,661 INFO L287 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-28 12:40:28,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:40:28 BoogieIcfgContainer [2019-11-28 12:40:28,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 12:40:28,664 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 12:40:28,664 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 12:40:28,668 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 12:40:28,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:40:26" (1/3) ... [2019-11-28 12:40:28,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66e85c34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:40:28, skipping insertion in model container [2019-11-28 12:40:28,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:27" (2/3) ... [2019-11-28 12:40:28,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66e85c34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:40:28, skipping insertion in model container [2019-11-28 12:40:28,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:40:28" (3/3) ... [2019-11-28 12:40:28,671 INFO L109 eAbstractionObserver]: Analyzing ICFG dll-rb-cnstr_1-2.i [2019-11-28 12:40:28,682 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 12:40:28,694 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 65 error locations. [2019-11-28 12:40:28,709 INFO L249 AbstractCegarLoop]: Starting to check reachability of 65 error locations. [2019-11-28 12:40:28,732 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 12:40:28,732 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 12:40:28,732 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 12:40:28,733 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 12:40:28,733 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 12:40:28,733 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 12:40:28,733 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 12:40:28,733 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 12:40:28,755 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2019-11-28 12:40:28,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-28 12:40:28,764 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 12:40:28,765 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 12:40:28,766 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_LEAK, mainErr40REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION]=== [2019-11-28 12:40:28,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 12:40:28,772 INFO L82 PathProgramCache]: Analyzing trace with hash -1311984285, now seen corresponding path program 1 times [2019-11-28 12:40:28,780 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 12:40:28,781 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200506017] [2019-11-28 12:40:28,781 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 12:40:28,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 12:40:28,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 12:40:28,968 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 12:40:28,969 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200506017] [2019-11-28 12:40:28,970 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 12:40:28,971 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 12:40:28,972 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243050479] [2019-11-28 12:40:28,976 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 12:40:28,977 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 12:40:28,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 12:40:28,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 12:40:28,994 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 4 states. [2019-11-28 12:40:29,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 12:40:29,492 INFO L93 Difference]: Finished difference Result 141 states and 147 transitions. [2019-11-28 12:40:29,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 12:40:29,494 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-28 12:40:29,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 12:40:29,505 INFO L225 Difference]: With dead ends: 141 [2019-11-28 12:40:29,506 INFO L226 Difference]: Without dead ends: 137 [2019-11-28 12:40:29,508 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 12:40:29,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-11-28 12:40:29,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 133. [2019-11-28 12:40:29,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-11-28 12:40:29,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 140 transitions. [2019-11-28 12:40:29,562 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 140 transitions. Word has length 7 [2019-11-28 12:40:29,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 12:40:29,562 INFO L462 AbstractCegarLoop]: Abstraction has 133 states and 140 transitions. [2019-11-28 12:40:29,562 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 12:40:29,562 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 140 transitions. [2019-11-28 12:40:29,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-28 12:40:29,563 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 12:40:29,563 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 12:40:29,564 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_LEAK, mainErr40REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION]=== [2019-11-28 12:40:29,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 12:40:29,564 INFO L82 PathProgramCache]: Analyzing trace with hash -1311984284, now seen corresponding path program 1 times [2019-11-28 12:40:29,565 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 12:40:29,565 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060608738] [2019-11-28 12:40:29,565 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 12:40:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 12:40:29,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 12:40:29,666 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 12:40:29,666 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060608738] [2019-11-28 12:40:29,668 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 12:40:29,668 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 12:40:29,668 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29315066] [2019-11-28 12:40:29,670 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 12:40:29,670 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 12:40:29,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 12:40:29,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 12:40:29,672 INFO L87 Difference]: Start difference. First operand 133 states and 140 transitions. Second operand 4 states. [2019-11-28 12:40:30,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 12:40:30,055 INFO L93 Difference]: Finished difference Result 150 states and 156 transitions. [2019-11-28 12:40:30,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 12:40:30,056 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-28 12:40:30,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 12:40:30,058 INFO L225 Difference]: With dead ends: 150 [2019-11-28 12:40:30,058 INFO L226 Difference]: Without dead ends: 150 [2019-11-28 12:40:30,061 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 12:40:30,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-11-28 12:40:30,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 137. [2019-11-28 12:40:30,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-11-28 12:40:30,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 144 transitions. [2019-11-28 12:40:30,089 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 144 transitions. Word has length 7 [2019-11-28 12:40:30,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 12:40:30,090 INFO L462 AbstractCegarLoop]: Abstraction has 137 states and 144 transitions. [2019-11-28 12:40:30,090 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 12:40:30,090 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 144 transitions. [2019-11-28 12:40:30,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-28 12:40:30,091 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 12:40:30,092 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 12:40:30,092 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_LEAK, mainErr40REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION]=== [2019-11-28 12:40:30,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 12:40:30,093 INFO L82 PathProgramCache]: Analyzing trace with hash 999637548, now seen corresponding path program 1 times [2019-11-28 12:40:30,093 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 12:40:30,094 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203965885] [2019-11-28 12:40:30,094 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 12:40:30,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 12:40:30,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 12:40:30,237 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 12:40:30,238 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203965885] [2019-11-28 12:40:30,238 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 12:40:30,238 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 12:40:30,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270214468] [2019-11-28 12:40:30,239 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 12:40:30,239 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 12:40:30,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 12:40:30,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 12:40:30,240 INFO L87 Difference]: Start difference. First operand 137 states and 144 transitions. Second operand 5 states. [2019-11-28 12:40:30,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 12:40:30,628 INFO L93 Difference]: Finished difference Result 142 states and 150 transitions. [2019-11-28 12:40:30,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 12:40:30,629 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-11-28 12:40:30,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 12:40:30,631 INFO L225 Difference]: With dead ends: 142 [2019-11-28 12:40:30,631 INFO L226 Difference]: Without dead ends: 142 [2019-11-28 12:40:30,632 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-28 12:40:30,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2019-11-28 12:40:30,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 127. [2019-11-28 12:40:30,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2019-11-28 12:40:30,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 137 transitions. [2019-11-28 12:40:30,642 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 137 transitions. Word has length 13 [2019-11-28 12:40:30,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 12:40:30,642 INFO L462 AbstractCegarLoop]: Abstraction has 127 states and 137 transitions. [2019-11-28 12:40:30,643 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 12:40:30,643 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 137 transitions. [2019-11-28 12:40:30,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-28 12:40:30,643 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 12:40:30,644 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 12:40:30,644 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_LEAK, mainErr40REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION]=== [2019-11-28 12:40:30,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 12:40:30,645 INFO L82 PathProgramCache]: Analyzing trace with hash 999637549, now seen corresponding path program 1 times [2019-11-28 12:40:30,645 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 12:40:30,645 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904346597] [2019-11-28 12:40:30,646 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 12:40:30,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 12:40:30,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 12:40:30,739 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 12:40:30,740 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904346597] [2019-11-28 12:40:30,740 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 12:40:30,740 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 12:40:30,741 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518228148] [2019-11-28 12:40:30,741 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 12:40:30,741 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 12:40:30,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 12:40:30,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 12:40:30,742 INFO L87 Difference]: Start difference. First operand 127 states and 137 transitions. Second operand 5 states. [2019-11-28 12:40:31,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 12:40:31,131 INFO L93 Difference]: Finished difference Result 170 states and 181 transitions. [2019-11-28 12:40:31,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 12:40:31,132 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-11-28 12:40:31,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 12:40:31,133 INFO L225 Difference]: With dead ends: 170 [2019-11-28 12:40:31,133 INFO L226 Difference]: Without dead ends: 170 [2019-11-28 12:40:31,134 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-28 12:40:31,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2019-11-28 12:40:31,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 139. [2019-11-28 12:40:31,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2019-11-28 12:40:31,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 153 transitions. [2019-11-28 12:40:31,150 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 153 transitions. Word has length 13 [2019-11-28 12:40:31,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 12:40:31,151 INFO L462 AbstractCegarLoop]: Abstraction has 139 states and 153 transitions. [2019-11-28 12:40:31,151 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 12:40:31,151 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 153 transitions. [2019-11-28 12:40:31,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-28 12:40:31,154 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 12:40:31,154 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 12:40:31,155 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_LEAK, mainErr40REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION]=== [2019-11-28 12:40:31,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 12:40:31,155 INFO L82 PathProgramCache]: Analyzing trace with hash -1420996668, now seen corresponding path program 1 times [2019-11-28 12:40:31,155 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 12:40:31,156 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844210642] [2019-11-28 12:40:31,156 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 12:40:31,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 12:40:31,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 12:40:31,243 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 12:40:31,243 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844210642] [2019-11-28 12:40:31,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 12:40:31,244 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 12:40:31,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325128100] [2019-11-28 12:40:31,246 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 12:40:31,246 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 12:40:31,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 12:40:31,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 12:40:31,247 INFO L87 Difference]: Start difference. First operand 139 states and 153 transitions. Second operand 5 states. [2019-11-28 12:40:31,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 12:40:31,556 INFO L93 Difference]: Finished difference Result 155 states and 164 transitions. [2019-11-28 12:40:31,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 12:40:31,557 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2019-11-28 12:40:31,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 12:40:31,558 INFO L225 Difference]: With dead ends: 155 [2019-11-28 12:40:31,558 INFO L226 Difference]: Without dead ends: 155 [2019-11-28 12:40:31,559 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-28 12:40:31,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2019-11-28 12:40:31,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 137. [2019-11-28 12:40:31,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-11-28 12:40:31,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 149 transitions. [2019-11-28 12:40:31,567 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 149 transitions. Word has length 15 [2019-11-28 12:40:31,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 12:40:31,567 INFO L462 AbstractCegarLoop]: Abstraction has 137 states and 149 transitions. [2019-11-28 12:40:31,567 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 12:40:31,567 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 149 transitions. [2019-11-28 12:40:31,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-28 12:40:31,568 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 12:40:31,568 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 12:40:31,569 INFO L410 AbstractCegarLoop]: === Iteration 6 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_LEAK, mainErr40REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION]=== [2019-11-28 12:40:31,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 12:40:31,569 INFO L82 PathProgramCache]: Analyzing trace with hash -1420990801, now seen corresponding path program 1 times [2019-11-28 12:40:31,569 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 12:40:31,570 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512730949] [2019-11-28 12:40:31,570 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 12:40:31,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 12:40:31,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 12:40:31,680 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 12:40:31,680 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512730949] [2019-11-28 12:40:31,681 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 12:40:31,681 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 12:40:31,681 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074070559] [2019-11-28 12:40:31,681 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 12:40:31,681 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 12:40:31,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 12:40:31,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 12:40:31,682 INFO L87 Difference]: Start difference. First operand 137 states and 149 transitions. Second operand 6 states. [2019-11-28 12:40:32,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 12:40:32,086 INFO L93 Difference]: Finished difference Result 190 states and 207 transitions. [2019-11-28 12:40:32,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 12:40:32,087 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2019-11-28 12:40:32,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 12:40:32,088 INFO L225 Difference]: With dead ends: 190 [2019-11-28 12:40:32,088 INFO L226 Difference]: Without dead ends: 190 [2019-11-28 12:40:32,089 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-28 12:40:32,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2019-11-28 12:40:32,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 136. [2019-11-28 12:40:32,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-11-28 12:40:32,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 147 transitions. [2019-11-28 12:40:32,095 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 147 transitions. Word has length 15 [2019-11-28 12:40:32,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 12:40:32,096 INFO L462 AbstractCegarLoop]: Abstraction has 136 states and 147 transitions. [2019-11-28 12:40:32,096 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 12:40:32,096 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 147 transitions. [2019-11-28 12:40:32,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-28 12:40:32,097 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 12:40:32,097 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 12:40:32,097 INFO L410 AbstractCegarLoop]: === Iteration 7 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_LEAK, mainErr40REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION]=== [2019-11-28 12:40:32,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 12:40:32,098 INFO L82 PathProgramCache]: Analyzing trace with hash -1420990800, now seen corresponding path program 1 times [2019-11-28 12:40:32,098 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 12:40:32,098 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797923451] [2019-11-28 12:40:32,098 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 12:40:32,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 12:40:32,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 12:40:32,165 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 12:40:32,166 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797923451] [2019-11-28 12:40:32,166 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 12:40:32,166 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 12:40:32,167 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617389598] [2019-11-28 12:40:32,167 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 12:40:32,167 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 12:40:32,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 12:40:32,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 12:40:32,168 INFO L87 Difference]: Start difference. First operand 136 states and 147 transitions. Second operand 6 states. [2019-11-28 12:40:32,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 12:40:32,701 INFO L93 Difference]: Finished difference Result 216 states and 233 transitions. [2019-11-28 12:40:32,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 12:40:32,701 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2019-11-28 12:40:32,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 12:40:32,703 INFO L225 Difference]: With dead ends: 216 [2019-11-28 12:40:32,703 INFO L226 Difference]: Without dead ends: 216 [2019-11-28 12:40:32,704 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-11-28 12:40:32,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2019-11-28 12:40:32,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 135. [2019-11-28 12:40:32,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-11-28 12:40:32,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 145 transitions. [2019-11-28 12:40:32,711 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 145 transitions. Word has length 15 [2019-11-28 12:40:32,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 12:40:32,712 INFO L462 AbstractCegarLoop]: Abstraction has 135 states and 145 transitions. [2019-11-28 12:40:32,712 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 12:40:32,712 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 145 transitions. [2019-11-28 12:40:32,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 12:40:32,713 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 12:40:32,713 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 12:40:32,714 INFO L410 AbstractCegarLoop]: === Iteration 8 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_LEAK, mainErr40REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION]=== [2019-11-28 12:40:32,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 12:40:32,714 INFO L82 PathProgramCache]: Analyzing trace with hash -1710066916, now seen corresponding path program 1 times [2019-11-28 12:40:32,715 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 12:40:32,715 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958973087] [2019-11-28 12:40:32,715 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 12:40:32,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 12:40:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 12:40:32,795 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 12:40:32,796 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958973087] [2019-11-28 12:40:32,796 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 12:40:32,796 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-28 12:40:32,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636265198] [2019-11-28 12:40:32,797 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 12:40:32,797 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 12:40:32,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 12:40:32,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-28 12:40:32,798 INFO L87 Difference]: Start difference. First operand 135 states and 145 transitions. Second operand 7 states. [2019-11-28 12:40:33,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 12:40:33,176 INFO L93 Difference]: Finished difference Result 195 states and 210 transitions. [2019-11-28 12:40:33,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 12:40:33,177 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2019-11-28 12:40:33,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 12:40:33,180 INFO L225 Difference]: With dead ends: 195 [2019-11-28 12:40:33,180 INFO L226 Difference]: Without dead ends: 195 [2019-11-28 12:40:33,180 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2019-11-28 12:40:33,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2019-11-28 12:40:33,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 140. [2019-11-28 12:40:33,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-11-28 12:40:33,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 150 transitions. [2019-11-28 12:40:33,185 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 150 transitions. Word has length 18 [2019-11-28 12:40:33,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 12:40:33,186 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 150 transitions. [2019-11-28 12:40:33,186 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 12:40:33,186 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 150 transitions. [2019-11-28 12:40:33,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 12:40:33,187 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 12:40:33,187 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 12:40:33,188 INFO L410 AbstractCegarLoop]: === Iteration 9 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_LEAK, mainErr40REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION]=== [2019-11-28 12:40:33,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 12:40:33,189 INFO L82 PathProgramCache]: Analyzing trace with hash -473076751, now seen corresponding path program 1 times [2019-11-28 12:40:33,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 12:40:33,189 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179910473] [2019-11-28 12:40:33,189 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 12:40:33,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 12:40:33,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 12:40:33,367 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 12:40:33,367 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179910473] [2019-11-28 12:40:33,367 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 12:40:33,367 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-28 12:40:33,368 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375263933] [2019-11-28 12:40:33,368 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-28 12:40:33,369 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 12:40:33,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-28 12:40:33,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-28 12:40:33,371 INFO L87 Difference]: Start difference. First operand 140 states and 150 transitions. Second operand 10 states. [2019-11-28 12:40:34,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 12:40:34,008 INFO L93 Difference]: Finished difference Result 140 states and 149 transitions. [2019-11-28 12:40:34,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-28 12:40:34,008 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 19 [2019-11-28 12:40:34,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 12:40:34,009 INFO L225 Difference]: With dead ends: 140 [2019-11-28 12:40:34,009 INFO L226 Difference]: Without dead ends: 140 [2019-11-28 12:40:34,010 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2019-11-28 12:40:34,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-11-28 12:40:34,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 139. [2019-11-28 12:40:34,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2019-11-28 12:40:34,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 149 transitions. [2019-11-28 12:40:34,014 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 149 transitions. Word has length 19 [2019-11-28 12:40:34,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 12:40:34,015 INFO L462 AbstractCegarLoop]: Abstraction has 139 states and 149 transitions. [2019-11-28 12:40:34,015 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-28 12:40:34,015 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 149 transitions. [2019-11-28 12:40:34,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 12:40:34,016 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 12:40:34,016 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 12:40:34,016 INFO L410 AbstractCegarLoop]: === Iteration 10 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_LEAK, mainErr40REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION]=== [2019-11-28 12:40:34,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 12:40:34,017 INFO L82 PathProgramCache]: Analyzing trace with hash -473076750, now seen corresponding path program 1 times [2019-11-28 12:40:34,017 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 12:40:34,017 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875643566] [2019-11-28 12:40:34,017 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 12:40:34,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 12:40:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 12:40:34,175 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 12:40:34,176 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875643566] [2019-11-28 12:40:34,176 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 12:40:34,176 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-28 12:40:34,176 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46326410] [2019-11-28 12:40:34,177 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-28 12:40:34,177 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 12:40:34,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-28 12:40:34,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-11-28 12:40:34,178 INFO L87 Difference]: Start difference. First operand 139 states and 149 transitions. Second operand 11 states. [2019-11-28 12:40:35,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 12:40:35,247 INFO L93 Difference]: Finished difference Result 143 states and 153 transitions. [2019-11-28 12:40:35,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-28 12:40:35,248 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 19 [2019-11-28 12:40:35,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 12:40:35,249 INFO L225 Difference]: With dead ends: 143 [2019-11-28 12:40:35,250 INFO L226 Difference]: Without dead ends: 143 [2019-11-28 12:40:35,250 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2019-11-28 12:40:35,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2019-11-28 12:40:35,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 135. [2019-11-28 12:40:35,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-11-28 12:40:35,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 146 transitions. [2019-11-28 12:40:35,254 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 146 transitions. Word has length 19 [2019-11-28 12:40:35,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 12:40:35,255 INFO L462 AbstractCegarLoop]: Abstraction has 135 states and 146 transitions. [2019-11-28 12:40:35,255 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-28 12:40:35,255 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 146 transitions. [2019-11-28 12:40:35,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 12:40:35,256 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 12:40:35,256 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 12:40:35,256 INFO L410 AbstractCegarLoop]: === Iteration 11 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_LEAK, mainErr40REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION]=== [2019-11-28 12:40:35,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 12:40:35,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1696797635, now seen corresponding path program 1 times [2019-11-28 12:40:35,257 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 12:40:35,257 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396184601] [2019-11-28 12:40:35,257 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 12:40:35,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 12:40:35,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 12:40:35,352 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 12:40:35,353 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396184601] [2019-11-28 12:40:35,353 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 12:40:35,353 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 12:40:35,354 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936787767] [2019-11-28 12:40:35,354 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 12:40:35,355 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 12:40:35,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 12:40:35,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 12:40:35,355 INFO L87 Difference]: Start difference. First operand 135 states and 146 transitions. Second operand 6 states. [2019-11-28 12:40:35,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 12:40:35,621 INFO L93 Difference]: Finished difference Result 140 states and 149 transitions. [2019-11-28 12:40:35,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 12:40:35,621 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-11-28 12:40:35,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 12:40:35,623 INFO L225 Difference]: With dead ends: 140 [2019-11-28 12:40:35,623 INFO L226 Difference]: Without dead ends: 140 [2019-11-28 12:40:35,624 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-28 12:40:35,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-11-28 12:40:35,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 134. [2019-11-28 12:40:35,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-11-28 12:40:35,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 144 transitions. [2019-11-28 12:40:35,627 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 144 transitions. Word has length 24 [2019-11-28 12:40:35,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 12:40:35,627 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 144 transitions. [2019-11-28 12:40:35,628 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 12:40:35,628 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 144 transitions. [2019-11-28 12:40:35,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 12:40:35,628 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 12:40:35,629 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 12:40:35,629 INFO L410 AbstractCegarLoop]: === Iteration 12 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_LEAK, mainErr40REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION]=== [2019-11-28 12:40:35,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 12:40:35,629 INFO L82 PathProgramCache]: Analyzing trace with hash 1697108517, now seen corresponding path program 1 times [2019-11-28 12:40:35,629 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 12:40:35,630 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901018696] [2019-11-28 12:40:35,630 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 12:40:35,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 12:40:35,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 12:40:35,679 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 12:40:35,679 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 12:40:35,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:40:35 BoogieIcfgContainer [2019-11-28 12:40:35,709 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 12:40:35,709 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 12:40:35,709 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 12:40:35,710 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 12:40:35,710 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:40:28" (3/4) ... [2019-11-28 12:40:35,712 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-28 12:40:35,765 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 12:40:35,765 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 12:40:35,768 INFO L168 Benchmark]: Toolchain (without parser) took 8816.51 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 317.2 MB). Free memory was 956.3 MB in the beginning and 1.2 GB in the end (delta: -241.3 MB). Peak memory consumption was 75.9 MB. Max. memory is 11.5 GB. [2019-11-28 12:40:35,769 INFO L168 Benchmark]: CDTParser took 0.61 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 12:40:35,769 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -149.9 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2019-11-28 12:40:35,770 INFO L168 Benchmark]: Boogie Preprocessor took 66.48 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 12:40:35,771 INFO L168 Benchmark]: RCFGBuilder took 967.58 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: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. [2019-11-28 12:40:35,771 INFO L168 Benchmark]: TraceAbstraction took 7044.92 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 186.6 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -164.2 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-28 12:40:35,772 INFO L168 Benchmark]: Witness Printer took 56.15 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2019-11-28 12:40:35,775 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61 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 675.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -149.9 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 66.48 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 967.58 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: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7044.92 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 186.6 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -164.2 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * Witness Printer took 56.15 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1040]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L994] SLL* list = malloc(sizeof(SLL)); VAL [list={-1:0}, malloc(sizeof(SLL))={-1:0}] [L995] list->next = ((void*)0) VAL [list={-1:0}, malloc(sizeof(SLL))={-1:0}] [L996] list->prev = ((void*)0) VAL [list={-1:0}, malloc(sizeof(SLL))={-1:0}] [L997] list->colour = BLACK VAL [list={-1:0}, malloc(sizeof(SLL))={-1:0}] [L999] SLL* end = list; VAL [end={-1:0}, list={-1:0}, malloc(sizeof(SLL))={-1:0}] [L1002] COND FALSE !(__VERIFIER_nondet_int()) [L1025] end = ((void*)0) [L1026] end = list VAL [end={-1:0}, list={-1:0}, malloc(sizeof(SLL))={-1:0}] [L1029] COND FALSE !(!(((void*)0) != end)) VAL [end={-1:0}, list={-1:0}, malloc(sizeof(SLL))={-1:0}] [L1030] EXPR end->colour VAL [end={-1:0}, end->colour=1, list={-1:0}, malloc(sizeof(SLL))={-1:0}] [L1030] COND FALSE !(!(BLACK == end->colour)) [L1032] COND TRUE ((void*)0) != end VAL [end={-1:0}, list={-1:0}, malloc(sizeof(SLL))={-1:0}] [L1034] EXPR end->colour VAL [end={-1:0}, end->colour=1, list={-1:0}, malloc(sizeof(SLL))={-1:0}] [L1034] COND FALSE !(RED == end->colour) [L1040] EXPR end->next VAL [end={-1:0}, end->next={0:0}, list={-1:0}, malloc(sizeof(SLL))={-1:0}] [L1040] COND TRUE !(end->next) [L1040] __VERIFIER_error() VAL [end={-1:0}, list={-1:0}, malloc(sizeof(SLL))={-1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 141 locations, 65 error locations. Result: UNSAFE, OverallTime: 6.9s, OverallIterations: 12, TraceHistogramMax: 1, AutomataDifference: 5.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 891 SDtfs, 1468 SDslu, 1462 SDs, 0 SdLazy, 3822 SolverSat, 156 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 105 GetRequests, 26 SyntacticMatches, 3 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=141occurred 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: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 286 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 189 NumberOfCodeBlocks, 189 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 154 ConstructedInterpolants, 0 QuantifiedInterpolants, 12068 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...