./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/test-0019-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a08953fa-f94e-4347-8e26-58a7fea97d2b/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a08953fa-f94e-4347-8e26-58a7fea97d2b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a08953fa-f94e-4347-8e26-58a7fea97d2b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a08953fa-f94e-4347-8e26-58a7fea97d2b/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0019-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a08953fa-f94e-4347-8e26-58a7fea97d2b/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a08953fa-f94e-4347-8e26-58a7fea97d2b/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c2707018625c82fb11b0c17a966b82b37a0c8e83 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 02:59:04,925 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:59:04,927 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:59:05,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:59:05,001 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:59:05,002 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:59:05,004 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:59:05,006 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:59:05,009 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:59:05,010 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:59:05,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:59:05,012 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:59:05,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:59:05,014 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:59:05,032 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:59:05,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:59:05,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:59:05,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:59:05,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:59:05,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:59:05,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:59:05,043 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:59:05,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:59:05,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:59:05,049 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:59:05,050 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:59:05,050 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:59:05,051 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:59:05,052 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:59:05,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:59:05,054 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:59:05,055 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:59:05,056 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:59:05,057 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:59:05,058 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:59:05,058 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:59:05,059 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:59:05,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:59:05,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:59:05,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:59:05,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:59:05,063 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a08953fa-f94e-4347-8e26-58a7fea97d2b/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-11-28 02:59:05,088 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:59:05,088 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:59:05,090 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:59:05,090 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:59:05,090 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:59:05,091 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:59:05,091 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:59:05,092 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 02:59:05,092 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:59:05,092 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:59:05,093 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:59:05,093 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 02:59:05,093 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 02:59:05,094 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 02:59:05,094 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:59:05,094 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 02:59:05,095 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:59:05,095 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:59:05,095 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:59:05,096 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:59:05,096 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:59:05,096 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:59:05,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:59:05,097 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:59:05,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:59:05,098 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:59:05,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 02:59:05,099 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:59:05,099 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_a08953fa-f94e-4347-8e26-58a7fea97d2b/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a08953fa-f94e-4347-8e26-58a7fea97d2b/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2707018625c82fb11b0c17a966b82b37a0c8e83 [2020-11-28 02:59:05,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:59:05,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:59:05,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:59:05,378 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:59:05,379 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:59:05,380 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a08953fa-f94e-4347-8e26-58a7fea97d2b/bin/uautomizer/../../sv-benchmarks/c/memsafety/test-0019-1.i [2020-11-28 02:59:05,458 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a08953fa-f94e-4347-8e26-58a7fea97d2b/bin/uautomizer/data/dae150236/d07fcd9c7c5240f1bc08cf6761764bd3/FLAG9325d32fd [2020-11-28 02:59:05,965 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:59:05,970 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a08953fa-f94e-4347-8e26-58a7fea97d2b/sv-benchmarks/c/memsafety/test-0019-1.i [2020-11-28 02:59:05,986 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a08953fa-f94e-4347-8e26-58a7fea97d2b/bin/uautomizer/data/dae150236/d07fcd9c7c5240f1bc08cf6761764bd3/FLAG9325d32fd [2020-11-28 02:59:06,289 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a08953fa-f94e-4347-8e26-58a7fea97d2b/bin/uautomizer/data/dae150236/d07fcd9c7c5240f1bc08cf6761764bd3 [2020-11-28 02:59:06,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:59:06,293 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-28 02:59:06,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:59:06,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:59:06,305 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:59:06,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:59:06" (1/1) ... [2020-11-28 02:59:06,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ef71054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:06, skipping insertion in model container [2020-11-28 02:59:06,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:59:06" (1/1) ... [2020-11-28 02:59:06,315 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:59:06,375 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:59:06,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:59:06,668 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:59:06,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:59:06,813 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:59:06,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:06 WrapperNode [2020-11-28 02:59:06,814 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:59:06,815 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:59:06,815 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:59:06,815 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:59:06,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:06" (1/1) ... [2020-11-28 02:59:06,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:06" (1/1) ... [2020-11-28 02:59:06,862 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:06" (1/1) ... [2020-11-28 02:59:06,863 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:06" (1/1) ... [2020-11-28 02:59:06,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:06" (1/1) ... [2020-11-28 02:59:06,888 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:06" (1/1) ... [2020-11-28 02:59:06,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:06" (1/1) ... [2020-11-28 02:59:06,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:59:06,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:59:06,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:59:06,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:59:06,922 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a08953fa-f94e-4347-8e26-58a7fea97d2b/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:59:06,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-28 02:59:07,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:59:07,000 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-28 02:59:07,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-11-28 02:59:07,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-11-28 02:59:07,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-11-28 02:59:07,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-11-28 02:59:07,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-11-28 02:59:07,003 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_data [2020-11-28 02:59:07,003 INFO L138 BoogieDeclarations]: Found implementation of procedure free_data [2020-11-28 02:59:07,004 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-28 02:59:07,005 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-28 02:59:07,005 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-28 02:59:07,005 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-11-28 02:59:07,005 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-11-28 02:59:07,005 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-28 02:59:07,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 02:59:07,008 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-11-28 02:59:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-11-28 02:59:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-11-28 02:59:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-11-28 02:59:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-11-28 02:59:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-11-28 02:59:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-11-28 02:59:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-11-28 02:59:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-11-28 02:59:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-11-28 02:59:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-11-28 02:59:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-11-28 02:59:07,011 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-11-28 02:59:07,011 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-11-28 02:59:07,011 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-11-28 02:59:07,011 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-11-28 02:59:07,011 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-11-28 02:59:07,012 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-11-28 02:59:07,012 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-11-28 02:59:07,012 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-11-28 02:59:07,012 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-11-28 02:59:07,012 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-11-28 02:59:07,012 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-11-28 02:59:07,013 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-11-28 02:59:07,013 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-11-28 02:59:07,013 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-11-28 02:59:07,013 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-11-28 02:59:07,013 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-11-28 02:59:07,013 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-11-28 02:59:07,014 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-11-28 02:59:07,014 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-11-28 02:59:07,014 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-11-28 02:59:07,014 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-11-28 02:59:07,014 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-11-28 02:59:07,015 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-11-28 02:59:07,015 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-11-28 02:59:07,015 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-11-28 02:59:07,016 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-11-28 02:59:07,016 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-11-28 02:59:07,017 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-11-28 02:59:07,017 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-11-28 02:59:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-11-28 02:59:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-11-28 02:59:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-11-28 02:59:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-11-28 02:59:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-11-28 02:59:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-11-28 02:59:07,019 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-11-28 02:59:07,019 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-11-28 02:59:07,019 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-11-28 02:59:07,019 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-11-28 02:59:07,019 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-11-28 02:59:07,020 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-11-28 02:59:07,020 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-11-28 02:59:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-11-28 02:59:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-28 02:59:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-11-28 02:59:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-11-28 02:59:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-28 02:59:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-11-28 02:59:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-11-28 02:59:07,024 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-11-28 02:59:07,024 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-11-28 02:59:07,024 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-11-28 02:59:07,024 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-11-28 02:59:07,024 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-11-28 02:59:07,024 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-28 02:59:07,024 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-11-28 02:59:07,025 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-11-28 02:59:07,025 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-11-28 02:59:07,026 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-11-28 02:59:07,026 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-11-28 02:59:07,026 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-11-28 02:59:07,026 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-11-28 02:59:07,026 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-11-28 02:59:07,027 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-11-28 02:59:07,027 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-11-28 02:59:07,027 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-11-28 02:59:07,027 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-11-28 02:59:07,027 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-11-28 02:59:07,027 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-11-28 02:59:07,027 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-11-28 02:59:07,027 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-11-28 02:59:07,028 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-11-28 02:59:07,028 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-11-28 02:59:07,028 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-11-28 02:59:07,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-11-28 02:59:07,028 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-11-28 02:59:07,028 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-11-28 02:59:07,028 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-11-28 02:59:07,028 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-11-28 02:59:07,029 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-11-28 02:59:07,029 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-11-28 02:59:07,029 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-11-28 02:59:07,029 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-11-28 02:59:07,030 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-11-28 02:59:07,030 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-11-28 02:59:07,030 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-11-28 02:59:07,030 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-11-28 02:59:07,031 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-11-28 02:59:07,031 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-11-28 02:59:07,031 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-11-28 02:59:07,031 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-11-28 02:59:07,031 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-11-28 02:59:07,031 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-11-28 02:59:07,031 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-11-28 02:59:07,031 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_data [2020-11-28 02:59:07,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-28 02:59:07,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-28 02:59:07,032 INFO L130 BoogieDeclarations]: Found specification of procedure free_data [2020-11-28 02:59:07,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-28 02:59:07,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 02:59:07,032 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-28 02:59:07,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-28 02:59:07,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 02:59:07,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:59:07,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 02:59:07,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 02:59:07,658 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:59:07,658 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-11-28 02:59:07,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:59:07 BoogieIcfgContainer [2020-11-28 02:59:07,660 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:59:07,662 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 02:59:07,663 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 02:59:07,667 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 02:59:07,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:59:06" (1/3) ... [2020-11-28 02:59:07,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51a9cd8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:59:07, skipping insertion in model container [2020-11-28 02:59:07,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:06" (2/3) ... [2020-11-28 02:59:07,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51a9cd8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:59:07, skipping insertion in model container [2020-11-28 02:59:07,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:59:07" (3/3) ... [2020-11-28 02:59:07,671 INFO L111 eAbstractionObserver]: Analyzing ICFG test-0019-1.i [2020-11-28 02:59:07,685 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 02:59:07,690 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 24 error locations. [2020-11-28 02:59:07,705 INFO L253 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2020-11-28 02:59:07,730 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 02:59:07,731 INFO L378 AbstractCegarLoop]: Hoare is false [2020-11-28 02:59:07,731 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 02:59:07,731 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:59:07,731 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:59:07,731 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 02:59:07,731 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:59:07,732 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 02:59:07,750 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2020-11-28 02:59:07,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 02:59:07,759 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:07,760 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:07,761 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, alloc_dataErr3REQUIRES_VIOLATION, alloc_dataErr2REQUIRES_VIOLATION, alloc_dataErr1REQUIRES_VIOLATION, alloc_dataErr0REQUIRES_VIOLATION, free_dataErr7REQUIRES_VIOLATION, free_dataErr8ASSERT_VIOLATIONMEMORY_FREE, free_dataErr6REQUIRES_VIOLATION, free_dataErr9ASSERT_VIOLATIONMEMORY_FREE, free_dataErr5REQUIRES_VIOLATION, free_dataErr1REQUIRES_VIOLATION, free_dataErr0REQUIRES_VIOLATION, free_dataErr4REQUIRES_VIOLATION, free_dataErr10ASSERT_VIOLATIONMEMORY_FREE, free_dataErr3REQUIRES_VIOLATION, free_dataErr11ASSERT_VIOLATIONMEMORY_FREE, free_dataErr13ASSERT_VIOLATIONMEMORY_FREE, free_dataErr2REQUIRES_VIOLATION, free_dataErr12ASSERT_VIOLATIONMEMORY_FREE]=== [2020-11-28 02:59:07,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:07,768 INFO L82 PathProgramCache]: Analyzing trace with hash -754071983, now seen corresponding path program 1 times [2020-11-28 02:59:07,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:07,779 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637766141] [2020-11-28 02:59:07,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:08,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-28 02:59:08,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:08,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:08,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637766141] [2020-11-28 02:59:08,186 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:08,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 02:59:08,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915721848] [2020-11-28 02:59:08,193 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 02:59:08,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:08,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 02:59:08,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-28 02:59:08,221 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 6 states. [2020-11-28 02:59:08,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:08,617 INFO L93 Difference]: Finished difference Result 55 states and 55 transitions. [2020-11-28 02:59:08,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 02:59:08,619 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2020-11-28 02:59:08,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:08,639 INFO L225 Difference]: With dead ends: 55 [2020-11-28 02:59:08,649 INFO L226 Difference]: Without dead ends: 52 [2020-11-28 02:59:08,651 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-28 02:59:08,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-11-28 02:59:08,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-11-28 02:59:08,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-11-28 02:59:08,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 52 transitions. [2020-11-28 02:59:08,696 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 52 transitions. Word has length 9 [2020-11-28 02:59:08,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:08,697 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 52 transitions. [2020-11-28 02:59:08,697 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 02:59:08,697 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2020-11-28 02:59:08,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 02:59:08,698 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:08,698 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:08,699 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 02:59:08,699 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, alloc_dataErr3REQUIRES_VIOLATION, alloc_dataErr2REQUIRES_VIOLATION, alloc_dataErr1REQUIRES_VIOLATION, alloc_dataErr0REQUIRES_VIOLATION, free_dataErr7REQUIRES_VIOLATION, free_dataErr8ASSERT_VIOLATIONMEMORY_FREE, free_dataErr6REQUIRES_VIOLATION, free_dataErr9ASSERT_VIOLATIONMEMORY_FREE, free_dataErr5REQUIRES_VIOLATION, free_dataErr1REQUIRES_VIOLATION, free_dataErr0REQUIRES_VIOLATION, free_dataErr4REQUIRES_VIOLATION, free_dataErr10ASSERT_VIOLATIONMEMORY_FREE, free_dataErr3REQUIRES_VIOLATION, free_dataErr11ASSERT_VIOLATIONMEMORY_FREE, free_dataErr13ASSERT_VIOLATIONMEMORY_FREE, free_dataErr2REQUIRES_VIOLATION, free_dataErr12ASSERT_VIOLATIONMEMORY_FREE]=== [2020-11-28 02:59:08,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:08,700 INFO L82 PathProgramCache]: Analyzing trace with hash -754071984, now seen corresponding path program 1 times [2020-11-28 02:59:08,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:08,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865117418] [2020-11-28 02:59:08,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:08,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:08,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-28 02:59:08,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:08,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:08,823 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865117418] [2020-11-28 02:59:08,824 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:08,824 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 02:59:08,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969000143] [2020-11-28 02:59:08,826 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 02:59:08,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:08,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 02:59:08,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-28 02:59:08,838 INFO L87 Difference]: Start difference. First operand 52 states and 52 transitions. Second operand 6 states. [2020-11-28 02:59:09,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:09,065 INFO L93 Difference]: Finished difference Result 50 states and 50 transitions. [2020-11-28 02:59:09,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 02:59:09,065 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2020-11-28 02:59:09,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:09,066 INFO L225 Difference]: With dead ends: 50 [2020-11-28 02:59:09,066 INFO L226 Difference]: Without dead ends: 50 [2020-11-28 02:59:09,067 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-28 02:59:09,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-11-28 02:59:09,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2020-11-28 02:59:09,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-11-28 02:59:09,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 50 transitions. [2020-11-28 02:59:09,076 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 50 transitions. Word has length 9 [2020-11-28 02:59:09,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:09,077 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 50 transitions. [2020-11-28 02:59:09,077 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 02:59:09,077 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 50 transitions. [2020-11-28 02:59:09,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 02:59:09,078 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:09,078 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:09,078 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 02:59:09,079 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, alloc_dataErr3REQUIRES_VIOLATION, alloc_dataErr2REQUIRES_VIOLATION, alloc_dataErr1REQUIRES_VIOLATION, alloc_dataErr0REQUIRES_VIOLATION, free_dataErr7REQUIRES_VIOLATION, free_dataErr8ASSERT_VIOLATIONMEMORY_FREE, free_dataErr6REQUIRES_VIOLATION, free_dataErr9ASSERT_VIOLATIONMEMORY_FREE, free_dataErr5REQUIRES_VIOLATION, free_dataErr1REQUIRES_VIOLATION, free_dataErr0REQUIRES_VIOLATION, free_dataErr4REQUIRES_VIOLATION, free_dataErr10ASSERT_VIOLATIONMEMORY_FREE, free_dataErr3REQUIRES_VIOLATION, free_dataErr11ASSERT_VIOLATIONMEMORY_FREE, free_dataErr13ASSERT_VIOLATIONMEMORY_FREE, free_dataErr2REQUIRES_VIOLATION, free_dataErr12ASSERT_VIOLATIONMEMORY_FREE]=== [2020-11-28 02:59:09,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:09,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1186296498, now seen corresponding path program 1 times [2020-11-28 02:59:09,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:09,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836313598] [2020-11-28 02:59:09,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:09,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:09,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-28 02:59:09,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:09,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:09,250 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836313598] [2020-11-28 02:59:09,250 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:09,250 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 02:59:09,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216687098] [2020-11-28 02:59:09,252 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 02:59:09,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:09,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 02:59:09,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-11-28 02:59:09,258 INFO L87 Difference]: Start difference. First operand 50 states and 50 transitions. Second operand 7 states. [2020-11-28 02:59:09,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:09,513 INFO L93 Difference]: Finished difference Result 49 states and 49 transitions. [2020-11-28 02:59:09,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 02:59:09,514 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11 [2020-11-28 02:59:09,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:09,515 INFO L225 Difference]: With dead ends: 49 [2020-11-28 02:59:09,515 INFO L226 Difference]: Without dead ends: 49 [2020-11-28 02:59:09,516 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-28 02:59:09,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-11-28 02:59:09,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-11-28 02:59:09,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-11-28 02:59:09,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 49 transitions. [2020-11-28 02:59:09,522 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 49 transitions. Word has length 11 [2020-11-28 02:59:09,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:09,522 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 49 transitions. [2020-11-28 02:59:09,522 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 02:59:09,522 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2020-11-28 02:59:09,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 02:59:09,523 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:09,523 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:09,524 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 02:59:09,527 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, alloc_dataErr3REQUIRES_VIOLATION, alloc_dataErr2REQUIRES_VIOLATION, alloc_dataErr1REQUIRES_VIOLATION, alloc_dataErr0REQUIRES_VIOLATION, free_dataErr7REQUIRES_VIOLATION, free_dataErr8ASSERT_VIOLATIONMEMORY_FREE, free_dataErr6REQUIRES_VIOLATION, free_dataErr9ASSERT_VIOLATIONMEMORY_FREE, free_dataErr5REQUIRES_VIOLATION, free_dataErr1REQUIRES_VIOLATION, free_dataErr0REQUIRES_VIOLATION, free_dataErr4REQUIRES_VIOLATION, free_dataErr10ASSERT_VIOLATIONMEMORY_FREE, free_dataErr3REQUIRES_VIOLATION, free_dataErr11ASSERT_VIOLATIONMEMORY_FREE, free_dataErr13ASSERT_VIOLATIONMEMORY_FREE, free_dataErr2REQUIRES_VIOLATION, free_dataErr12ASSERT_VIOLATIONMEMORY_FREE]=== [2020-11-28 02:59:09,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:09,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1880316875, now seen corresponding path program 1 times [2020-11-28 02:59:09,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:09,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356082714] [2020-11-28 02:59:09,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:09,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:09,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-28 02:59:09,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:09,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-28 02:59:09,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:09,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:09,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356082714] [2020-11-28 02:59:09,681 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:09,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 02:59:09,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449327040] [2020-11-28 02:59:09,682 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:59:09,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:09,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:59:09,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:59:09,683 INFO L87 Difference]: Start difference. First operand 49 states and 49 transitions. Second operand 5 states. [2020-11-28 02:59:09,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:09,873 INFO L93 Difference]: Finished difference Result 45 states and 45 transitions. [2020-11-28 02:59:09,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 02:59:09,873 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-11-28 02:59:09,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:09,874 INFO L225 Difference]: With dead ends: 45 [2020-11-28 02:59:09,875 INFO L226 Difference]: Without dead ends: 45 [2020-11-28 02:59:09,875 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-28 02:59:09,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-11-28 02:59:09,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-11-28 02:59:09,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-11-28 02:59:09,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 45 transitions. [2020-11-28 02:59:09,880 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 45 transitions. Word has length 18 [2020-11-28 02:59:09,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:09,881 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 45 transitions. [2020-11-28 02:59:09,881 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:59:09,881 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions. [2020-11-28 02:59:09,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 02:59:09,882 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:09,882 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:09,882 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 02:59:09,883 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, alloc_dataErr3REQUIRES_VIOLATION, alloc_dataErr2REQUIRES_VIOLATION, alloc_dataErr1REQUIRES_VIOLATION, alloc_dataErr0REQUIRES_VIOLATION, free_dataErr7REQUIRES_VIOLATION, free_dataErr8ASSERT_VIOLATIONMEMORY_FREE, free_dataErr6REQUIRES_VIOLATION, free_dataErr9ASSERT_VIOLATIONMEMORY_FREE, free_dataErr5REQUIRES_VIOLATION, free_dataErr1REQUIRES_VIOLATION, free_dataErr0REQUIRES_VIOLATION, free_dataErr4REQUIRES_VIOLATION, free_dataErr10ASSERT_VIOLATIONMEMORY_FREE, free_dataErr3REQUIRES_VIOLATION, free_dataErr11ASSERT_VIOLATIONMEMORY_FREE, free_dataErr13ASSERT_VIOLATIONMEMORY_FREE, free_dataErr2REQUIRES_VIOLATION, free_dataErr12ASSERT_VIOLATIONMEMORY_FREE]=== [2020-11-28 02:59:09,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:09,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1880316874, now seen corresponding path program 1 times [2020-11-28 02:59:09,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:09,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367187749] [2020-11-28 02:59:09,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:09,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:09,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-28 02:59:09,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:09,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-28 02:59:09,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:09,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:09,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367187749] [2020-11-28 02:59:09,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:09,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 02:59:10,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818674262] [2020-11-28 02:59:10,000 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:59:10,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:10,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:59:10,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:59:10,001 INFO L87 Difference]: Start difference. First operand 45 states and 45 transitions. Second operand 5 states. [2020-11-28 02:59:10,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:10,159 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2020-11-28 02:59:10,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 02:59:10,159 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-11-28 02:59:10,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:10,160 INFO L225 Difference]: With dead ends: 41 [2020-11-28 02:59:10,160 INFO L226 Difference]: Without dead ends: 41 [2020-11-28 02:59:10,160 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-28 02:59:10,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-11-28 02:59:10,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-11-28 02:59:10,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-11-28 02:59:10,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2020-11-28 02:59:10,165 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 41 transitions. Word has length 18 [2020-11-28 02:59:10,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:10,165 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 41 transitions. [2020-11-28 02:59:10,165 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:59:10,166 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2020-11-28 02:59:10,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 02:59:10,166 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:10,166 INFO L422 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, 1] [2020-11-28 02:59:10,167 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 02:59:10,167 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, alloc_dataErr3REQUIRES_VIOLATION, alloc_dataErr2REQUIRES_VIOLATION, alloc_dataErr1REQUIRES_VIOLATION, alloc_dataErr0REQUIRES_VIOLATION, free_dataErr7REQUIRES_VIOLATION, free_dataErr8ASSERT_VIOLATIONMEMORY_FREE, free_dataErr6REQUIRES_VIOLATION, free_dataErr9ASSERT_VIOLATIONMEMORY_FREE, free_dataErr5REQUIRES_VIOLATION, free_dataErr1REQUIRES_VIOLATION, free_dataErr0REQUIRES_VIOLATION, free_dataErr4REQUIRES_VIOLATION, free_dataErr10ASSERT_VIOLATIONMEMORY_FREE, free_dataErr3REQUIRES_VIOLATION, free_dataErr11ASSERT_VIOLATIONMEMORY_FREE, free_dataErr13ASSERT_VIOLATIONMEMORY_FREE, free_dataErr2REQUIRES_VIOLATION, free_dataErr12ASSERT_VIOLATIONMEMORY_FREE]=== [2020-11-28 02:59:10,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:10,167 INFO L82 PathProgramCache]: Analyzing trace with hash 1180384893, now seen corresponding path program 1 times [2020-11-28 02:59:10,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:10,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287887121] [2020-11-28 02:59:10,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:10,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:10,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-28 02:59:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:10,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-28 02:59:10,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:10,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:10,476 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287887121] [2020-11-28 02:59:10,476 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:10,476 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-11-28 02:59:10,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502877583] [2020-11-28 02:59:10,476 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-28 02:59:10,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:10,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-28 02:59:10,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2020-11-28 02:59:10,477 INFO L87 Difference]: Start difference. First operand 41 states and 41 transitions. Second operand 13 states. [2020-11-28 02:59:10,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:10,910 INFO L93 Difference]: Finished difference Result 40 states and 40 transitions. [2020-11-28 02:59:10,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-11-28 02:59:10,910 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 25 [2020-11-28 02:59:10,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:10,911 INFO L225 Difference]: With dead ends: 40 [2020-11-28 02:59:10,911 INFO L226 Difference]: Without dead ends: 40 [2020-11-28 02:59:10,911 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=64, Invalid=356, Unknown=0, NotChecked=0, Total=420 [2020-11-28 02:59:10,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-11-28 02:59:10,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-11-28 02:59:10,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-11-28 02:59:10,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 40 transitions. [2020-11-28 02:59:10,916 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 40 transitions. Word has length 25 [2020-11-28 02:59:10,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:10,922 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 40 transitions. [2020-11-28 02:59:10,922 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-28 02:59:10,922 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 40 transitions. [2020-11-28 02:59:10,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 02:59:10,923 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:10,923 INFO L422 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, 1, 1] [2020-11-28 02:59:10,923 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 02:59:10,924 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, alloc_dataErr3REQUIRES_VIOLATION, alloc_dataErr2REQUIRES_VIOLATION, alloc_dataErr1REQUIRES_VIOLATION, alloc_dataErr0REQUIRES_VIOLATION, free_dataErr7REQUIRES_VIOLATION, free_dataErr8ASSERT_VIOLATIONMEMORY_FREE, free_dataErr6REQUIRES_VIOLATION, free_dataErr9ASSERT_VIOLATIONMEMORY_FREE, free_dataErr5REQUIRES_VIOLATION, free_dataErr1REQUIRES_VIOLATION, free_dataErr0REQUIRES_VIOLATION, free_dataErr4REQUIRES_VIOLATION, free_dataErr10ASSERT_VIOLATIONMEMORY_FREE, free_dataErr3REQUIRES_VIOLATION, free_dataErr11ASSERT_VIOLATIONMEMORY_FREE, free_dataErr13ASSERT_VIOLATIONMEMORY_FREE, free_dataErr2REQUIRES_VIOLATION, free_dataErr12ASSERT_VIOLATIONMEMORY_FREE]=== [2020-11-28 02:59:10,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:10,924 INFO L82 PathProgramCache]: Analyzing trace with hash -2062773891, now seen corresponding path program 1 times [2020-11-28 02:59:10,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:10,924 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369570358] [2020-11-28 02:59:10,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:11,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-28 02:59:11,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:11,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-28 02:59:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:11,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:11,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369570358] [2020-11-28 02:59:11,200 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:11,200 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-11-28 02:59:11,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348994184] [2020-11-28 02:59:11,201 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-28 02:59:11,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:11,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-28 02:59:11,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2020-11-28 02:59:11,202 INFO L87 Difference]: Start difference. First operand 40 states and 40 transitions. Second operand 13 states. [2020-11-28 02:59:11,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:11,754 INFO L93 Difference]: Finished difference Result 39 states and 39 transitions. [2020-11-28 02:59:11,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-11-28 02:59:11,754 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 26 [2020-11-28 02:59:11,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:11,755 INFO L225 Difference]: With dead ends: 39 [2020-11-28 02:59:11,755 INFO L226 Difference]: Without dead ends: 39 [2020-11-28 02:59:11,756 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=64, Invalid=356, Unknown=0, NotChecked=0, Total=420 [2020-11-28 02:59:11,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-11-28 02:59:11,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-11-28 02:59:11,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-11-28 02:59:11,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2020-11-28 02:59:11,759 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 39 transitions. Word has length 26 [2020-11-28 02:59:11,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:11,760 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 39 transitions. [2020-11-28 02:59:11,760 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-28 02:59:11,760 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2020-11-28 02:59:11,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 02:59:11,761 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:11,761 INFO L422 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, 1, 1, 1] [2020-11-28 02:59:11,761 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 02:59:11,761 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, alloc_dataErr3REQUIRES_VIOLATION, alloc_dataErr2REQUIRES_VIOLATION, alloc_dataErr1REQUIRES_VIOLATION, alloc_dataErr0REQUIRES_VIOLATION, free_dataErr7REQUIRES_VIOLATION, free_dataErr8ASSERT_VIOLATIONMEMORY_FREE, free_dataErr6REQUIRES_VIOLATION, free_dataErr9ASSERT_VIOLATIONMEMORY_FREE, free_dataErr5REQUIRES_VIOLATION, free_dataErr1REQUIRES_VIOLATION, free_dataErr0REQUIRES_VIOLATION, free_dataErr4REQUIRES_VIOLATION, free_dataErr10ASSERT_VIOLATIONMEMORY_FREE, free_dataErr3REQUIRES_VIOLATION, free_dataErr11ASSERT_VIOLATIONMEMORY_FREE, free_dataErr13ASSERT_VIOLATIONMEMORY_FREE, free_dataErr2REQUIRES_VIOLATION, free_dataErr12ASSERT_VIOLATIONMEMORY_FREE]=== [2020-11-28 02:59:11,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:11,762 INFO L82 PathProgramCache]: Analyzing trace with hash 478518911, now seen corresponding path program 1 times [2020-11-28 02:59:11,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:11,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289526822] [2020-11-28 02:59:11,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:11,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:11,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-28 02:59:11,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:12,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-28 02:59:12,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:12,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:12,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289526822] [2020-11-28 02:59:12,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:12,213 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-11-28 02:59:12,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500808507] [2020-11-28 02:59:12,214 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-28 02:59:12,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:12,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-28 02:59:12,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-11-28 02:59:12,215 INFO L87 Difference]: Start difference. First operand 39 states and 39 transitions. Second operand 14 states. [2020-11-28 02:59:12,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:12,652 INFO L93 Difference]: Finished difference Result 38 states and 38 transitions. [2020-11-28 02:59:12,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-28 02:59:12,653 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 27 [2020-11-28 02:59:12,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:12,653 INFO L225 Difference]: With dead ends: 38 [2020-11-28 02:59:12,654 INFO L226 Difference]: Without dead ends: 38 [2020-11-28 02:59:12,654 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=66, Invalid=354, Unknown=0, NotChecked=0, Total=420 [2020-11-28 02:59:12,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-11-28 02:59:12,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2020-11-28 02:59:12,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-11-28 02:59:12,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 38 transitions. [2020-11-28 02:59:12,658 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 38 transitions. Word has length 27 [2020-11-28 02:59:12,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:12,658 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 38 transitions. [2020-11-28 02:59:12,658 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-28 02:59:12,658 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 38 transitions. [2020-11-28 02:59:12,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 02:59:12,659 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:12,659 INFO L422 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, 1, 1, 1, 1] [2020-11-28 02:59:12,659 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 02:59:12,660 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, alloc_dataErr3REQUIRES_VIOLATION, alloc_dataErr2REQUIRES_VIOLATION, alloc_dataErr1REQUIRES_VIOLATION, alloc_dataErr0REQUIRES_VIOLATION, free_dataErr7REQUIRES_VIOLATION, free_dataErr8ASSERT_VIOLATIONMEMORY_FREE, free_dataErr6REQUIRES_VIOLATION, free_dataErr9ASSERT_VIOLATIONMEMORY_FREE, free_dataErr5REQUIRES_VIOLATION, free_dataErr1REQUIRES_VIOLATION, free_dataErr0REQUIRES_VIOLATION, free_dataErr4REQUIRES_VIOLATION, free_dataErr10ASSERT_VIOLATIONMEMORY_FREE, free_dataErr3REQUIRES_VIOLATION, free_dataErr11ASSERT_VIOLATIONMEMORY_FREE, free_dataErr13ASSERT_VIOLATIONMEMORY_FREE, free_dataErr2REQUIRES_VIOLATION, free_dataErr12ASSERT_VIOLATIONMEMORY_FREE]=== [2020-11-28 02:59:12,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:12,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1948606696, now seen corresponding path program 1 times [2020-11-28 02:59:12,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:12,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304571326] [2020-11-28 02:59:12,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:12,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:12,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-28 02:59:12,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:12,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-28 02:59:12,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:12,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-11-28 02:59:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:13,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:13,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304571326] [2020-11-28 02:59:13,170 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:13,170 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-11-28 02:59:13,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937792424] [2020-11-28 02:59:13,170 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-28 02:59:13,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:13,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-28 02:59:13,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=304, Unknown=0, NotChecked=0, Total=342 [2020-11-28 02:59:13,172 INFO L87 Difference]: Start difference. First operand 38 states and 38 transitions. Second operand 19 states. [2020-11-28 02:59:13,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:13,848 INFO L93 Difference]: Finished difference Result 40 states and 39 transitions. [2020-11-28 02:59:13,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-11-28 02:59:13,848 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 28 [2020-11-28 02:59:13,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:13,849 INFO L225 Difference]: With dead ends: 40 [2020-11-28 02:59:13,849 INFO L226 Difference]: Without dead ends: 38 [2020-11-28 02:59:13,850 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=105, Invalid=825, Unknown=0, NotChecked=0, Total=930 [2020-11-28 02:59:13,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-11-28 02:59:13,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2020-11-28 02:59:13,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-11-28 02:59:13,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 37 transitions. [2020-11-28 02:59:13,859 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 37 transitions. Word has length 28 [2020-11-28 02:59:13,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:13,860 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 37 transitions. [2020-11-28 02:59:13,860 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-28 02:59:13,860 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 37 transitions. [2020-11-28 02:59:13,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 02:59:13,863 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:13,863 INFO L422 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, 1, 1, 1, 1] [2020-11-28 02:59:13,863 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 02:59:13,863 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, alloc_dataErr3REQUIRES_VIOLATION, alloc_dataErr2REQUIRES_VIOLATION, alloc_dataErr1REQUIRES_VIOLATION, alloc_dataErr0REQUIRES_VIOLATION, free_dataErr7REQUIRES_VIOLATION, free_dataErr8ASSERT_VIOLATIONMEMORY_FREE, free_dataErr6REQUIRES_VIOLATION, free_dataErr9ASSERT_VIOLATIONMEMORY_FREE, free_dataErr5REQUIRES_VIOLATION, free_dataErr1REQUIRES_VIOLATION, free_dataErr0REQUIRES_VIOLATION, free_dataErr4REQUIRES_VIOLATION, free_dataErr10ASSERT_VIOLATIONMEMORY_FREE, free_dataErr3REQUIRES_VIOLATION, free_dataErr11ASSERT_VIOLATIONMEMORY_FREE, free_dataErr13ASSERT_VIOLATIONMEMORY_FREE, free_dataErr2REQUIRES_VIOLATION, free_dataErr12ASSERT_VIOLATIONMEMORY_FREE]=== [2020-11-28 02:59:13,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:13,864 INFO L82 PathProgramCache]: Analyzing trace with hash 1949184447, now seen corresponding path program 1 times [2020-11-28 02:59:13,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:13,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260021184] [2020-11-28 02:59:13,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:13,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:14,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-28 02:59:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:14,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-28 02:59:14,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:14,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:14,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260021184] [2020-11-28 02:59:14,172 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:14,172 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-11-28 02:59:14,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270187849] [2020-11-28 02:59:14,173 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-28 02:59:14,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:14,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-28 02:59:14,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-11-28 02:59:14,174 INFO L87 Difference]: Start difference. First operand 38 states and 37 transitions. Second operand 14 states. [2020-11-28 02:59:14,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:14,601 INFO L93 Difference]: Finished difference Result 37 states and 36 transitions. [2020-11-28 02:59:14,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-28 02:59:14,601 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 28 [2020-11-28 02:59:14,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:14,602 INFO L225 Difference]: With dead ends: 37 [2020-11-28 02:59:14,602 INFO L226 Difference]: Without dead ends: 37 [2020-11-28 02:59:14,603 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=73, Invalid=433, Unknown=0, NotChecked=0, Total=506 [2020-11-28 02:59:14,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-11-28 02:59:14,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-11-28 02:59:14,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-11-28 02:59:14,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 36 transitions. [2020-11-28 02:59:14,606 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 36 transitions. Word has length 28 [2020-11-28 02:59:14,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:14,606 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 36 transitions. [2020-11-28 02:59:14,606 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-28 02:59:14,606 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 36 transitions. [2020-11-28 02:59:14,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-28 02:59:14,612 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:14,612 INFO L422 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, 1, 1, 1, 1, 1] [2020-11-28 02:59:14,612 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-28 02:59:14,613 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, alloc_dataErr3REQUIRES_VIOLATION, alloc_dataErr2REQUIRES_VIOLATION, alloc_dataErr1REQUIRES_VIOLATION, alloc_dataErr0REQUIRES_VIOLATION, free_dataErr7REQUIRES_VIOLATION, free_dataErr8ASSERT_VIOLATIONMEMORY_FREE, free_dataErr6REQUIRES_VIOLATION, free_dataErr9ASSERT_VIOLATIONMEMORY_FREE, free_dataErr5REQUIRES_VIOLATION, free_dataErr1REQUIRES_VIOLATION, free_dataErr0REQUIRES_VIOLATION, free_dataErr4REQUIRES_VIOLATION, free_dataErr10ASSERT_VIOLATIONMEMORY_FREE, free_dataErr3REQUIRES_VIOLATION, free_dataErr11ASSERT_VIOLATIONMEMORY_FREE, free_dataErr13ASSERT_VIOLATIONMEMORY_FREE, free_dataErr2REQUIRES_VIOLATION, free_dataErr12ASSERT_VIOLATIONMEMORY_FREE]=== [2020-11-28 02:59:14,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:14,614 INFO L82 PathProgramCache]: Analyzing trace with hash 295175809, now seen corresponding path program 1 times [2020-11-28 02:59:14,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:14,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539595200] [2020-11-28 02:59:14,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:14,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-28 02:59:14,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:14,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-28 02:59:14,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:14,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:14,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539595200] [2020-11-28 02:59:14,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:14,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-11-28 02:59:14,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549863397] [2020-11-28 02:59:14,955 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-28 02:59:14,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:14,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-28 02:59:14,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-11-28 02:59:14,957 INFO L87 Difference]: Start difference. First operand 37 states and 36 transitions. Second operand 14 states. [2020-11-28 02:59:15,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:15,355 INFO L93 Difference]: Finished difference Result 36 states and 35 transitions. [2020-11-28 02:59:15,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-28 02:59:15,355 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 29 [2020-11-28 02:59:15,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:15,356 INFO L225 Difference]: With dead ends: 36 [2020-11-28 02:59:15,356 INFO L226 Difference]: Without dead ends: 36 [2020-11-28 02:59:15,356 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=73, Invalid=433, Unknown=0, NotChecked=0, Total=506 [2020-11-28 02:59:15,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-11-28 02:59:15,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2020-11-28 02:59:15,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-11-28 02:59:15,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 35 transitions. [2020-11-28 02:59:15,359 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 35 transitions. Word has length 29 [2020-11-28 02:59:15,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:15,359 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 35 transitions. [2020-11-28 02:59:15,359 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-28 02:59:15,360 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 35 transitions. [2020-11-28 02:59:15,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-28 02:59:15,360 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:15,360 INFO L422 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, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:15,360 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-28 02:59:15,361 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, alloc_dataErr3REQUIRES_VIOLATION, alloc_dataErr2REQUIRES_VIOLATION, alloc_dataErr1REQUIRES_VIOLATION, alloc_dataErr0REQUIRES_VIOLATION, free_dataErr7REQUIRES_VIOLATION, free_dataErr8ASSERT_VIOLATIONMEMORY_FREE, free_dataErr6REQUIRES_VIOLATION, free_dataErr9ASSERT_VIOLATIONMEMORY_FREE, free_dataErr5REQUIRES_VIOLATION, free_dataErr1REQUIRES_VIOLATION, free_dataErr0REQUIRES_VIOLATION, free_dataErr4REQUIRES_VIOLATION, free_dataErr10ASSERT_VIOLATIONMEMORY_FREE, free_dataErr3REQUIRES_VIOLATION, free_dataErr11ASSERT_VIOLATIONMEMORY_FREE, free_dataErr13ASSERT_VIOLATIONMEMORY_FREE, free_dataErr2REQUIRES_VIOLATION, free_dataErr12ASSERT_VIOLATIONMEMORY_FREE]=== [2020-11-28 02:59:15,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:15,361 INFO L82 PathProgramCache]: Analyzing trace with hash 560515585, now seen corresponding path program 1 times [2020-11-28 02:59:15,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:15,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896607080] [2020-11-28 02:59:15,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:15,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:15,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-28 02:59:15,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:15,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-28 02:59:15,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:15,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:15,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896607080] [2020-11-28 02:59:15,884 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:15,884 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2020-11-28 02:59:15,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87920770] [2020-11-28 02:59:15,884 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-11-28 02:59:15,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:15,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-11-28 02:59:15,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=414, Unknown=0, NotChecked=0, Total=462 [2020-11-28 02:59:15,886 INFO L87 Difference]: Start difference. First operand 36 states and 35 transitions. Second operand 22 states. [2020-11-28 02:59:16,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:16,547 INFO L93 Difference]: Finished difference Result 35 states and 34 transitions. [2020-11-28 02:59:16,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-11-28 02:59:16,547 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 30 [2020-11-28 02:59:16,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:16,548 INFO L225 Difference]: With dead ends: 35 [2020-11-28 02:59:16,548 INFO L226 Difference]: Without dead ends: 35 [2020-11-28 02:59:16,549 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=156, Invalid=1176, Unknown=0, NotChecked=0, Total=1332 [2020-11-28 02:59:16,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-11-28 02:59:16,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-11-28 02:59:16,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-11-28 02:59:16,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 34 transitions. [2020-11-28 02:59:16,552 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 34 transitions. Word has length 30 [2020-11-28 02:59:16,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:16,553 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 34 transitions. [2020-11-28 02:59:16,553 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-11-28 02:59:16,553 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 34 transitions. [2020-11-28 02:59:16,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 02:59:16,554 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:16,554 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:16,554 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-28 02:59:16,555 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, alloc_dataErr3REQUIRES_VIOLATION, alloc_dataErr2REQUIRES_VIOLATION, alloc_dataErr1REQUIRES_VIOLATION, alloc_dataErr0REQUIRES_VIOLATION, free_dataErr7REQUIRES_VIOLATION, free_dataErr8ASSERT_VIOLATIONMEMORY_FREE, free_dataErr6REQUIRES_VIOLATION, free_dataErr9ASSERT_VIOLATIONMEMORY_FREE, free_dataErr5REQUIRES_VIOLATION, free_dataErr1REQUIRES_VIOLATION, free_dataErr0REQUIRES_VIOLATION, free_dataErr4REQUIRES_VIOLATION, free_dataErr10ASSERT_VIOLATIONMEMORY_FREE, free_dataErr3REQUIRES_VIOLATION, free_dataErr11ASSERT_VIOLATIONMEMORY_FREE, free_dataErr13ASSERT_VIOLATIONMEMORY_FREE, free_dataErr2REQUIRES_VIOLATION, free_dataErr12ASSERT_VIOLATIONMEMORY_FREE]=== [2020-11-28 02:59:16,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:16,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1278248495, now seen corresponding path program 1 times [2020-11-28 02:59:16,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:16,556 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670547766] [2020-11-28 02:59:16,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:16,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:16,930 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 35 [2020-11-28 02:59:17,061 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 33 [2020-11-28 02:59:17,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-28 02:59:17,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:17,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-28 02:59:17,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:17,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-11-28 02:59:17,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:18,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:18,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670547766] [2020-11-28 02:59:18,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:18,873 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2020-11-28 02:59:18,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251148159] [2020-11-28 02:59:18,874 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-11-28 02:59:18,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:18,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-11-28 02:59:18,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=692, Unknown=0, NotChecked=0, Total=756 [2020-11-28 02:59:18,875 INFO L87 Difference]: Start difference. First operand 35 states and 34 transitions. Second operand 28 states. [2020-11-28 02:59:20,550 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 51 [2020-11-28 02:59:20,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:20,925 INFO L93 Difference]: Finished difference Result 34 states and 33 transitions. [2020-11-28 02:59:20,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-11-28 02:59:20,926 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 34 [2020-11-28 02:59:20,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:20,926 INFO L225 Difference]: With dead ends: 34 [2020-11-28 02:59:20,926 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 02:59:20,927 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=186, Invalid=1706, Unknown=0, NotChecked=0, Total=1892 [2020-11-28 02:59:20,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 02:59:20,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 02:59:20,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 02:59:20,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 02:59:20,927 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2020-11-28 02:59:20,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:20,928 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 02:59:20,928 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-11-28 02:59:20,928 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 02:59:20,928 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 02:59:20,928 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-28 02:59:20,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:59:20 BoogieIcfgContainer [2020-11-28 02:59:20,933 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 02:59:20,933 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:59:20,933 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:59:20,933 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:59:20,934 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:59:07" (3/4) ... [2020-11-28 02:59:20,937 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 02:59:20,943 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure reach_error [2020-11-28 02:59:20,944 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2020-11-28 02:59:20,944 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2020-11-28 02:59:20,944 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2020-11-28 02:59:20,944 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint16_identity [2020-11-28 02:59:20,945 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint64_identity [2020-11-28 02:59:20,945 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure alloc_data [2020-11-28 02:59:20,945 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2020-11-28 02:59:20,945 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint32_identity [2020-11-28 02:59:20,945 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure free_data [2020-11-28 02:59:20,950 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-11-28 02:59:20,951 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 02:59:20,951 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 02:59:20,951 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:59:20,991 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a08953fa-f94e-4347-8e26-58a7fea97d2b/bin/uautomizer/witness.graphml [2020-11-28 02:59:20,991 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:59:20,993 INFO L168 Benchmark]: Toolchain (without parser) took 14699.44 ms. Allocated memory was 83.9 MB in the beginning and 211.8 MB in the end (delta: 127.9 MB). Free memory was 50.9 MB in the beginning and 113.1 MB in the end (delta: -62.3 MB). Peak memory consumption was 65.9 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:20,993 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 69.2 MB. Free memory was 31.5 MB in the beginning and 31.4 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:59:20,994 INFO L168 Benchmark]: CACSL2BoogieTranslator took 513.34 ms. Allocated memory is still 83.9 MB. Free memory was 50.7 MB in the beginning and 49.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:20,995 INFO L168 Benchmark]: Boogie Preprocessor took 93.65 ms. Allocated memory is still 83.9 MB. Free memory was 49.4 MB in the beginning and 46.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:20,995 INFO L168 Benchmark]: RCFGBuilder took 751.04 ms. Allocated memory is still 83.9 MB. Free memory was 46.5 MB in the beginning and 35.3 MB in the end (delta: 11.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:20,996 INFO L168 Benchmark]: TraceAbstraction took 13270.35 ms. Allocated memory was 83.9 MB in the beginning and 211.8 MB in the end (delta: 127.9 MB). Free memory was 34.8 MB in the beginning and 116.3 MB in the end (delta: -81.5 MB). Peak memory consumption was 47.3 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:20,996 INFO L168 Benchmark]: Witness Printer took 58.53 ms. Allocated memory is still 211.8 MB. Free memory was 116.3 MB in the beginning and 113.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:20,999 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 69.2 MB. Free memory was 31.5 MB in the beginning and 31.4 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 513.34 ms. Allocated memory is still 83.9 MB. Free memory was 50.7 MB in the beginning and 49.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 93.65 ms. Allocated memory is still 83.9 MB. Free memory was 49.4 MB in the beginning and 46.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 751.04 ms. Allocated memory is still 83.9 MB. Free memory was 46.5 MB in the beginning and 35.3 MB in the end (delta: 11.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 13270.35 ms. Allocated memory was 83.9 MB in the beginning and 211.8 MB in the end (delta: 127.9 MB). Free memory was 34.8 MB in the beginning and 116.3 MB in the end (delta: -81.5 MB). Peak memory consumption was 47.3 MB. Max. memory is 16.1 GB. * Witness Printer took 58.53 ms. Allocated memory is still 211.8 MB. Free memory was 116.3 MB in the beginning and 113.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 541]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 530]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 530]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 529]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 529]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 535]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 538]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 535]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 538]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 534]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 532]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 532]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 534]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 538]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 532]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 539]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 539]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 532]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 539]: free always succeeds For all program executions holds that free always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 24 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 80 locations, 24 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.2s, OverallIterations: 13, TraceHistogramMax: 1, AutomataDifference: 6.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 305 SDtfs, 374 SDslu, 1252 SDs, 0 SdLazy, 3012 SolverSat, 188 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 280 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 232 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 801 ImplicationChecksByTransitivity, 7.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 13 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 292 NumberOfCodeBlocks, 292 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 279 ConstructedInterpolants, 0 QuantifiedInterpolants, 87547 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...