./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memory-alloca/c.03-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_28e372cd-80ec-4c34-91c1-7a428986d570/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_28e372cd-80ec-4c34-91c1-7a428986d570/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_28e372cd-80ec-4c34-91c1-7a428986d570/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_28e372cd-80ec-4c34-91c1-7a428986d570/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memory-alloca/c.03-alloca-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_28e372cd-80ec-4c34-91c1-7a428986d570/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_28e372cd-80ec-4c34-91c1-7a428986d570/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 ab87ef7cc863b18816ae397a50b6c6e9fb3e753d .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 16:08:20,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:08:20,055 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:08:20,064 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:08:20,064 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:08:20,065 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:08:20,066 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:08:20,068 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:08:20,070 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:08:20,070 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:08:20,071 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:08:20,072 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:08:20,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:08:20,073 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:08:20,074 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:08:20,075 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:08:20,076 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:08:20,077 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:08:20,079 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:08:20,081 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:08:20,082 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:08:20,083 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:08:20,084 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:08:20,084 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:08:20,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:08:20,087 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:08:20,087 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:08:20,087 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:08:20,088 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:08:20,088 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:08:20,089 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:08:20,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:08:20,090 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:08:20,090 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:08:20,091 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:08:20,091 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:08:20,092 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:08:20,092 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:08:20,092 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:08:20,093 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:08:20,093 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:08:20,094 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_28e372cd-80ec-4c34-91c1-7a428986d570/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-12-07 16:08:20,106 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:08:20,106 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:08:20,107 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 16:08:20,107 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 16:08:20,107 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 16:08:20,107 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:08:20,107 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:08:20,107 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 16:08:20,108 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 16:08:20,108 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:08:20,108 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:08:20,108 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-07 16:08:20,108 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-07 16:08:20,108 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-07 16:08:20,109 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:08:20,109 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 16:08:20,109 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:08:20,109 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:08:20,109 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:08:20,109 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:08:20,109 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:08:20,110 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:08:20,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:08:20,110 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:08:20,110 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:08:20,110 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 16:08:20,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 16:08:20,110 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:08:20,110 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_28e372cd-80ec-4c34-91c1-7a428986d570/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 -> ab87ef7cc863b18816ae397a50b6c6e9fb3e753d [2019-12-07 16:08:20,221 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:08:20,228 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:08:20,230 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:08:20,231 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:08:20,232 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:08:20,232 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_28e372cd-80ec-4c34-91c1-7a428986d570/bin/uautomizer/../../sv-benchmarks/c/memory-alloca/c.03-alloca-2.i [2019-12-07 16:08:20,269 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_28e372cd-80ec-4c34-91c1-7a428986d570/bin/uautomizer/data/a22399edb/87f33692260442079814611d63355267/FLAGff1c88e6c [2019-12-07 16:08:20,733 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:08:20,733 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_28e372cd-80ec-4c34-91c1-7a428986d570/sv-benchmarks/c/memory-alloca/c.03-alloca-2.i [2019-12-07 16:08:20,742 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_28e372cd-80ec-4c34-91c1-7a428986d570/bin/uautomizer/data/a22399edb/87f33692260442079814611d63355267/FLAGff1c88e6c [2019-12-07 16:08:20,753 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_28e372cd-80ec-4c34-91c1-7a428986d570/bin/uautomizer/data/a22399edb/87f33692260442079814611d63355267 [2019-12-07 16:08:20,756 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:08:20,757 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-07 16:08:20,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:08:20,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:08:20,760 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:08:20,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:08:20" (1/1) ... [2019-12-07 16:08:20,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@94b310b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:08:20, skipping insertion in model container [2019-12-07 16:08:20,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:08:20" (1/1) ... [2019-12-07 16:08:20,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:08:20,797 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:08:21,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:08:21,009 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:08:21,035 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:08:21,065 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:08:21,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:08:21 WrapperNode [2019-12-07 16:08:21,065 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:08:21,066 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:08:21,066 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:08:21,066 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:08:21,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:08:21" (1/1) ... [2019-12-07 16:08:21,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:08:21" (1/1) ... [2019-12-07 16:08:21,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:08:21" (1/1) ... [2019-12-07 16:08:21,083 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:08:21" (1/1) ... [2019-12-07 16:08:21,091 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:08:21" (1/1) ... [2019-12-07 16:08:21,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:08:21" (1/1) ... [2019-12-07 16:08:21,096 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:08:21" (1/1) ... [2019-12-07 16:08:21,100 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:08:21,100 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:08:21,100 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:08:21,100 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:08:21,101 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:08:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_28e372cd-80ec-4c34-91c1-7a428986d570/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 [2019-12-07 16:08:21,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-12-07 16:08:21,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:08:21,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-12-07 16:08:21,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-12-07 16:08:21,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-12-07 16:08:21,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-12-07 16:08:21,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-12-07 16:08:21,141 INFO L138 BoogieDeclarations]: Found implementation of procedure test_fun [2019-12-07 16:08:21,141 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-12-07 16:08:21,141 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-12-07 16:08:21,141 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-12-07 16:08:21,141 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-12-07 16:08:21,141 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-12-07 16:08:21,141 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-12-07 16:08:21,141 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-12-07 16:08:21,141 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-12-07 16:08:21,141 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-12-07 16:08:21,142 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-12-07 16:08:21,142 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-12-07 16:08:21,142 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-12-07 16:08:21,142 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-12-07 16:08:21,142 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-12-07 16:08:21,142 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-12-07 16:08:21,142 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-12-07 16:08:21,142 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-12-07 16:08:21,142 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-12-07 16:08:21,142 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-12-07 16:08:21,142 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-12-07 16:08:21,142 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-12-07 16:08:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-12-07 16:08:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-12-07 16:08:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-12-07 16:08:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-12-07 16:08:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-12-07 16:08:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-12-07 16:08:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-12-07 16:08:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-12-07 16:08:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-12-07 16:08:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-12-07 16:08:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-12-07 16:08:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-12-07 16:08:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-12-07 16:08:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-12-07 16:08:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-12-07 16:08:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-12-07 16:08:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-12-07 16:08:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-12-07 16:08:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-12-07 16:08:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-12-07 16:08:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-12-07 16:08:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-12-07 16:08:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-12-07 16:08:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-12-07 16:08:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-12-07 16:08:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-12-07 16:08:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-12-07 16:08:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-12-07 16:08:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-12-07 16:08:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-12-07 16:08:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-12-07 16:08:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-12-07 16:08:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-12-07 16:08:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-12-07 16:08:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-12-07 16:08:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-12-07 16:08:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-12-07 16:08:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-12-07 16:08:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-12-07 16:08:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-12-07 16:08:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-12-07 16:08:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-12-07 16:08:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-12-07 16:08:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-12-07 16:08:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-12-07 16:08:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-12-07 16:08:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-12-07 16:08:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-12-07 16:08:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-12-07 16:08:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-12-07 16:08:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-12-07 16:08:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-12-07 16:08:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-12-07 16:08:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-12-07 16:08:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-12-07 16:08:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-12-07 16:08:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-12-07 16:08:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-12-07 16:08:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-12-07 16:08:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-12-07 16:08:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-12-07 16:08:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-12-07 16:08:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-12-07 16:08:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-12-07 16:08:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-12-07 16:08:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-12-07 16:08:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-12-07 16:08:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-12-07 16:08:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-12-07 16:08:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-12-07 16:08:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-12-07 16:08:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-12-07 16:08:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-12-07 16:08:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-12-07 16:08:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-12-07 16:08:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-12-07 16:08:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-12-07 16:08:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-12-07 16:08:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-12-07 16:08:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-12-07 16:08:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-12-07 16:08:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-12-07 16:08:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-12-07 16:08:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-12-07 16:08:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-12-07 16:08:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-12-07 16:08:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-12-07 16:08:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-12-07 16:08:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure test_fun [2019-12-07 16:08:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:08:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 16:08:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 16:08:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 16:08:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-12-07 16:08:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-12-07 16:08:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:08:21,427 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:08:21,427 INFO L287 CfgBuilder]: Removed 1 assume(true) statements. [2019-12-07 16:08:21,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:08:21 BoogieIcfgContainer [2019-12-07 16:08:21,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:08:21,428 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 16:08:21,429 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 16:08:21,430 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 16:08:21,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:08:20" (1/3) ... [2019-12-07 16:08:21,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e450bba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:08:21, skipping insertion in model container [2019-12-07 16:08:21,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:08:21" (2/3) ... [2019-12-07 16:08:21,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e450bba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:08:21, skipping insertion in model container [2019-12-07 16:08:21,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:08:21" (3/3) ... [2019-12-07 16:08:21,432 INFO L109 eAbstractionObserver]: Analyzing ICFG c.03-alloca-2.i [2019-12-07 16:08:21,439 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 16:08:21,443 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 31 error locations. [2019-12-07 16:08:21,451 INFO L249 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2019-12-07 16:08:21,463 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 16:08:21,463 INFO L374 AbstractCegarLoop]: Hoare is false [2019-12-07 16:08:21,463 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 16:08:21,463 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:08:21,463 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:08:21,463 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 16:08:21,464 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:08:21,464 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 16:08:21,474 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states. [2019-12-07 16:08:21,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 16:08:21,480 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:08:21,481 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:08:21,481 INFO L410 AbstractCegarLoop]: === Iteration 1 === [test_funErr25REQUIRES_VIOLATION, test_funErr4REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr24REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr28REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr26REQUIRES_VIOLATION, test_funErr27REQUIRES_VIOLATION, test_funErr20REQUIRES_VIOLATION, test_funErr18REQUIRES_VIOLATION, test_funErr19REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr22REQUIRES_VIOLATION, test_funErr23REQUIRES_VIOLATION, test_funErr21REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr14REQUIRES_VIOLATION, test_funErr15REQUIRES_VIOLATION, test_funErr13REQUIRES_VIOLATION, test_funErr17REQUIRES_VIOLATION, test_funErr16REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, test_funErr29REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, test_funErr12REQUIRES_VIOLATION, test_funErr10REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-12-07 16:08:21,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:08:21,485 INFO L82 PathProgramCache]: Analyzing trace with hash 743499951, now seen corresponding path program 1 times [2019-12-07 16:08:21,490 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:08:21,490 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207066123] [2019-12-07 16:08:21,490 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:08:21,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:08:21,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:08:21,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:08:21,636 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207066123] [2019-12-07 16:08:21,637 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:08:21,637 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 16:08:21,637 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002093516] [2019-12-07 16:08:21,641 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:08:21,641 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:08:21,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:08:21,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:08:21,656 INFO L87 Difference]: Start difference. First operand 67 states. Second operand 4 states. [2019-12-07 16:08:21,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:08:21,776 INFO L93 Difference]: Finished difference Result 62 states and 63 transitions. [2019-12-07 16:08:21,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 16:08:21,777 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-12-07 16:08:21,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:08:21,783 INFO L225 Difference]: With dead ends: 62 [2019-12-07 16:08:21,784 INFO L226 Difference]: Without dead ends: 59 [2019-12-07 16:08:21,785 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:08:21,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2019-12-07 16:08:21,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2019-12-07 16:08:21,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-12-07 16:08:21,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 60 transitions. [2019-12-07 16:08:21,813 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 60 transitions. Word has length 9 [2019-12-07 16:08:21,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:08:21,813 INFO L462 AbstractCegarLoop]: Abstraction has 59 states and 60 transitions. [2019-12-07 16:08:21,813 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:08:21,813 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2019-12-07 16:08:21,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 16:08:21,813 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:08:21,813 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:08:21,814 INFO L410 AbstractCegarLoop]: === Iteration 2 === [test_funErr25REQUIRES_VIOLATION, test_funErr4REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr24REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr28REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr26REQUIRES_VIOLATION, test_funErr27REQUIRES_VIOLATION, test_funErr20REQUIRES_VIOLATION, test_funErr18REQUIRES_VIOLATION, test_funErr19REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr22REQUIRES_VIOLATION, test_funErr23REQUIRES_VIOLATION, test_funErr21REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr14REQUIRES_VIOLATION, test_funErr15REQUIRES_VIOLATION, test_funErr13REQUIRES_VIOLATION, test_funErr17REQUIRES_VIOLATION, test_funErr16REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, test_funErr29REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, test_funErr12REQUIRES_VIOLATION, test_funErr10REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-12-07 16:08:21,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:08:21,814 INFO L82 PathProgramCache]: Analyzing trace with hash 743499952, now seen corresponding path program 1 times [2019-12-07 16:08:21,814 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:08:21,815 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077193240] [2019-12-07 16:08:21,815 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:08:21,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:08:21,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:08:21,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:08:21,874 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077193240] [2019-12-07 16:08:21,874 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:08:21,874 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 16:08:21,874 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946527895] [2019-12-07 16:08:21,875 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:08:21,875 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:08:21,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:08:21,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:08:21,875 INFO L87 Difference]: Start difference. First operand 59 states and 60 transitions. Second operand 4 states. [2019-12-07 16:08:21,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:08:21,943 INFO L93 Difference]: Finished difference Result 54 states and 55 transitions. [2019-12-07 16:08:21,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 16:08:21,943 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-12-07 16:08:21,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:08:21,944 INFO L225 Difference]: With dead ends: 54 [2019-12-07 16:08:21,944 INFO L226 Difference]: Without dead ends: 54 [2019-12-07 16:08:21,945 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:08:21,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2019-12-07 16:08:21,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2019-12-07 16:08:21,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-12-07 16:08:21,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 55 transitions. [2019-12-07 16:08:21,950 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 55 transitions. Word has length 9 [2019-12-07 16:08:21,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:08:21,951 INFO L462 AbstractCegarLoop]: Abstraction has 54 states and 55 transitions. [2019-12-07 16:08:21,951 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:08:21,951 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 55 transitions. [2019-12-07 16:08:21,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 16:08:21,951 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:08:21,951 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:08:21,951 INFO L410 AbstractCegarLoop]: === Iteration 3 === [test_funErr25REQUIRES_VIOLATION, test_funErr4REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr24REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr28REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr26REQUIRES_VIOLATION, test_funErr27REQUIRES_VIOLATION, test_funErr20REQUIRES_VIOLATION, test_funErr18REQUIRES_VIOLATION, test_funErr19REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr22REQUIRES_VIOLATION, test_funErr23REQUIRES_VIOLATION, test_funErr21REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr14REQUIRES_VIOLATION, test_funErr15REQUIRES_VIOLATION, test_funErr13REQUIRES_VIOLATION, test_funErr17REQUIRES_VIOLATION, test_funErr16REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, test_funErr29REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, test_funErr12REQUIRES_VIOLATION, test_funErr10REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-12-07 16:08:21,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:08:21,952 INFO L82 PathProgramCache]: Analyzing trace with hash 1573661992, now seen corresponding path program 1 times [2019-12-07 16:08:21,952 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:08:21,952 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846236159] [2019-12-07 16:08:21,952 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:08:21,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:08:21,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:08:22,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:08:22,000 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846236159] [2019-12-07 16:08:22,001 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:08:22,001 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 16:08:22,001 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596076367] [2019-12-07 16:08:22,001 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:08:22,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:08:22,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:08:22,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:08:22,002 INFO L87 Difference]: Start difference. First operand 54 states and 55 transitions. Second operand 4 states. [2019-12-07 16:08:22,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:08:22,071 INFO L93 Difference]: Finished difference Result 52 states and 53 transitions. [2019-12-07 16:08:22,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 16:08:22,071 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-12-07 16:08:22,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:08:22,072 INFO L225 Difference]: With dead ends: 52 [2019-12-07 16:08:22,072 INFO L226 Difference]: Without dead ends: 52 [2019-12-07 16:08:22,072 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:08:22,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-12-07 16:08:22,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2019-12-07 16:08:22,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-12-07 16:08:22,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 53 transitions. [2019-12-07 16:08:22,076 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 53 transitions. Word has length 10 [2019-12-07 16:08:22,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:08:22,077 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 53 transitions. [2019-12-07 16:08:22,077 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:08:22,077 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2019-12-07 16:08:22,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 16:08:22,077 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:08:22,077 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:08:22,077 INFO L410 AbstractCegarLoop]: === Iteration 4 === [test_funErr25REQUIRES_VIOLATION, test_funErr4REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr24REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr28REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr26REQUIRES_VIOLATION, test_funErr27REQUIRES_VIOLATION, test_funErr20REQUIRES_VIOLATION, test_funErr18REQUIRES_VIOLATION, test_funErr19REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr22REQUIRES_VIOLATION, test_funErr23REQUIRES_VIOLATION, test_funErr21REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr14REQUIRES_VIOLATION, test_funErr15REQUIRES_VIOLATION, test_funErr13REQUIRES_VIOLATION, test_funErr17REQUIRES_VIOLATION, test_funErr16REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, test_funErr29REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, test_funErr12REQUIRES_VIOLATION, test_funErr10REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-12-07 16:08:22,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:08:22,078 INFO L82 PathProgramCache]: Analyzing trace with hash 1573661993, now seen corresponding path program 1 times [2019-12-07 16:08:22,078 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:08:22,078 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703702563] [2019-12-07 16:08:22,078 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:08:22,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:08:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:08:22,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:08:22,122 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703702563] [2019-12-07 16:08:22,122 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:08:22,122 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 16:08:22,122 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810249799] [2019-12-07 16:08:22,123 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:08:22,123 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:08:22,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:08:22,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:08:22,124 INFO L87 Difference]: Start difference. First operand 52 states and 53 transitions. Second operand 4 states. [2019-12-07 16:08:22,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:08:22,187 INFO L93 Difference]: Finished difference Result 50 states and 51 transitions. [2019-12-07 16:08:22,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 16:08:22,187 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-12-07 16:08:22,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:08:22,188 INFO L225 Difference]: With dead ends: 50 [2019-12-07 16:08:22,188 INFO L226 Difference]: Without dead ends: 50 [2019-12-07 16:08:22,188 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:08:22,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2019-12-07 16:08:22,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2019-12-07 16:08:22,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-12-07 16:08:22,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 51 transitions. [2019-12-07 16:08:22,193 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 51 transitions. Word has length 10 [2019-12-07 16:08:22,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:08:22,193 INFO L462 AbstractCegarLoop]: Abstraction has 50 states and 51 transitions. [2019-12-07 16:08:22,193 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:08:22,194 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 51 transitions. [2019-12-07 16:08:22,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 16:08:22,194 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:08:22,194 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:08:22,194 INFO L410 AbstractCegarLoop]: === Iteration 5 === [test_funErr25REQUIRES_VIOLATION, test_funErr4REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr24REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr28REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr26REQUIRES_VIOLATION, test_funErr27REQUIRES_VIOLATION, test_funErr20REQUIRES_VIOLATION, test_funErr18REQUIRES_VIOLATION, test_funErr19REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr22REQUIRES_VIOLATION, test_funErr23REQUIRES_VIOLATION, test_funErr21REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr14REQUIRES_VIOLATION, test_funErr15REQUIRES_VIOLATION, test_funErr13REQUIRES_VIOLATION, test_funErr17REQUIRES_VIOLATION, test_funErr16REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, test_funErr29REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, test_funErr12REQUIRES_VIOLATION, test_funErr10REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-12-07 16:08:22,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:08:22,195 INFO L82 PathProgramCache]: Analyzing trace with hash 1538881490, now seen corresponding path program 1 times [2019-12-07 16:08:22,195 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:08:22,195 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820129925] [2019-12-07 16:08:22,195 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:08:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:08:22,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:08:22,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:08:22,234 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820129925] [2019-12-07 16:08:22,234 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:08:22,234 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 16:08:22,234 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166089252] [2019-12-07 16:08:22,235 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:08:22,235 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:08:22,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:08:22,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:08:22,235 INFO L87 Difference]: Start difference. First operand 50 states and 51 transitions. Second operand 4 states. [2019-12-07 16:08:22,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:08:22,293 INFO L93 Difference]: Finished difference Result 46 states and 47 transitions. [2019-12-07 16:08:22,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 16:08:22,293 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-12-07 16:08:22,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:08:22,294 INFO L225 Difference]: With dead ends: 46 [2019-12-07 16:08:22,294 INFO L226 Difference]: Without dead ends: 46 [2019-12-07 16:08:22,294 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:08:22,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-12-07 16:08:22,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2019-12-07 16:08:22,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-12-07 16:08:22,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 47 transitions. [2019-12-07 16:08:22,298 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 47 transitions. Word has length 11 [2019-12-07 16:08:22,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:08:22,298 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 47 transitions. [2019-12-07 16:08:22,298 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:08:22,298 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 47 transitions. [2019-12-07 16:08:22,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 16:08:22,298 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:08:22,298 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:08:22,299 INFO L410 AbstractCegarLoop]: === Iteration 6 === [test_funErr25REQUIRES_VIOLATION, test_funErr4REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr24REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr28REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr26REQUIRES_VIOLATION, test_funErr27REQUIRES_VIOLATION, test_funErr20REQUIRES_VIOLATION, test_funErr18REQUIRES_VIOLATION, test_funErr19REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr22REQUIRES_VIOLATION, test_funErr23REQUIRES_VIOLATION, test_funErr21REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr14REQUIRES_VIOLATION, test_funErr15REQUIRES_VIOLATION, test_funErr13REQUIRES_VIOLATION, test_funErr17REQUIRES_VIOLATION, test_funErr16REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, test_funErr29REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, test_funErr12REQUIRES_VIOLATION, test_funErr10REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-12-07 16:08:22,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:08:22,299 INFO L82 PathProgramCache]: Analyzing trace with hash 1538881491, now seen corresponding path program 1 times [2019-12-07 16:08:22,299 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:08:22,299 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87447414] [2019-12-07 16:08:22,299 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:08:22,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:08:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:08:22,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:08:22,342 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87447414] [2019-12-07 16:08:22,342 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:08:22,342 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 16:08:22,343 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912372430] [2019-12-07 16:08:22,343 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:08:22,343 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:08:22,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:08:22,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:08:22,343 INFO L87 Difference]: Start difference. First operand 46 states and 47 transitions. Second operand 4 states. [2019-12-07 16:08:22,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:08:22,396 INFO L93 Difference]: Finished difference Result 42 states and 43 transitions. [2019-12-07 16:08:22,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 16:08:22,396 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-12-07 16:08:22,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:08:22,397 INFO L225 Difference]: With dead ends: 42 [2019-12-07 16:08:22,397 INFO L226 Difference]: Without dead ends: 42 [2019-12-07 16:08:22,398 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:08:22,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2019-12-07 16:08:22,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2019-12-07 16:08:22,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-12-07 16:08:22,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 43 transitions. [2019-12-07 16:08:22,401 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 43 transitions. Word has length 11 [2019-12-07 16:08:22,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:08:22,401 INFO L462 AbstractCegarLoop]: Abstraction has 42 states and 43 transitions. [2019-12-07 16:08:22,401 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:08:22,401 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2019-12-07 16:08:22,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 16:08:22,401 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:08:22,401 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:08:22,402 INFO L410 AbstractCegarLoop]: === Iteration 7 === [test_funErr25REQUIRES_VIOLATION, test_funErr4REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr24REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr28REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr26REQUIRES_VIOLATION, test_funErr27REQUIRES_VIOLATION, test_funErr20REQUIRES_VIOLATION, test_funErr18REQUIRES_VIOLATION, test_funErr19REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr22REQUIRES_VIOLATION, test_funErr23REQUIRES_VIOLATION, test_funErr21REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr14REQUIRES_VIOLATION, test_funErr15REQUIRES_VIOLATION, test_funErr13REQUIRES_VIOLATION, test_funErr17REQUIRES_VIOLATION, test_funErr16REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, test_funErr29REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, test_funErr12REQUIRES_VIOLATION, test_funErr10REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-12-07 16:08:22,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:08:22,402 INFO L82 PathProgramCache]: Analyzing trace with hash 460685931, now seen corresponding path program 1 times [2019-12-07 16:08:22,402 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:08:22,402 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761092582] [2019-12-07 16:08:22,402 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:08:22,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:08:22,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:08:22,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:08:22,431 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761092582] [2019-12-07 16:08:22,431 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:08:22,431 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 16:08:22,432 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720083960] [2019-12-07 16:08:22,432 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:08:22,432 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:08:22,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:08:22,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:08:22,433 INFO L87 Difference]: Start difference. First operand 42 states and 43 transitions. Second operand 4 states. [2019-12-07 16:08:22,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:08:22,481 INFO L93 Difference]: Finished difference Result 38 states and 39 transitions. [2019-12-07 16:08:22,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 16:08:22,482 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-12-07 16:08:22,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:08:22,482 INFO L225 Difference]: With dead ends: 38 [2019-12-07 16:08:22,482 INFO L226 Difference]: Without dead ends: 38 [2019-12-07 16:08:22,483 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:08:22,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-12-07 16:08:22,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2019-12-07 16:08:22,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-12-07 16:08:22,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 39 transitions. [2019-12-07 16:08:22,485 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 39 transitions. Word has length 12 [2019-12-07 16:08:22,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:08:22,485 INFO L462 AbstractCegarLoop]: Abstraction has 38 states and 39 transitions. [2019-12-07 16:08:22,485 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:08:22,486 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2019-12-07 16:08:22,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 16:08:22,486 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:08:22,486 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:08:22,486 INFO L410 AbstractCegarLoop]: === Iteration 8 === [test_funErr25REQUIRES_VIOLATION, test_funErr4REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr24REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr28REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr26REQUIRES_VIOLATION, test_funErr27REQUIRES_VIOLATION, test_funErr20REQUIRES_VIOLATION, test_funErr18REQUIRES_VIOLATION, test_funErr19REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr22REQUIRES_VIOLATION, test_funErr23REQUIRES_VIOLATION, test_funErr21REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr14REQUIRES_VIOLATION, test_funErr15REQUIRES_VIOLATION, test_funErr13REQUIRES_VIOLATION, test_funErr17REQUIRES_VIOLATION, test_funErr16REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, test_funErr29REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, test_funErr12REQUIRES_VIOLATION, test_funErr10REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-12-07 16:08:22,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:08:22,487 INFO L82 PathProgramCache]: Analyzing trace with hash 460685932, now seen corresponding path program 1 times [2019-12-07 16:08:22,487 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:08:22,487 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389971183] [2019-12-07 16:08:22,487 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:08:22,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:08:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:08:22,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:08:22,517 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389971183] [2019-12-07 16:08:22,517 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:08:22,517 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 16:08:22,517 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980996896] [2019-12-07 16:08:22,517 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:08:22,518 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:08:22,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:08:22,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:08:22,518 INFO L87 Difference]: Start difference. First operand 38 states and 39 transitions. Second operand 4 states. [2019-12-07 16:08:22,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:08:22,560 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2019-12-07 16:08:22,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 16:08:22,560 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-12-07 16:08:22,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:08:22,561 INFO L225 Difference]: With dead ends: 34 [2019-12-07 16:08:22,561 INFO L226 Difference]: Without dead ends: 34 [2019-12-07 16:08:22,561 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:08:22,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-12-07 16:08:22,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2019-12-07 16:08:22,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-12-07 16:08:22,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2019-12-07 16:08:22,563 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 12 [2019-12-07 16:08:22,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:08:22,564 INFO L462 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions. [2019-12-07 16:08:22,564 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:08:22,564 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2019-12-07 16:08:22,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-07 16:08:22,564 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:08:22,564 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:08:22,565 INFO L410 AbstractCegarLoop]: === Iteration 9 === [test_funErr25REQUIRES_VIOLATION, test_funErr4REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr24REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr28REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr26REQUIRES_VIOLATION, test_funErr27REQUIRES_VIOLATION, test_funErr20REQUIRES_VIOLATION, test_funErr18REQUIRES_VIOLATION, test_funErr19REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr22REQUIRES_VIOLATION, test_funErr23REQUIRES_VIOLATION, test_funErr21REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr14REQUIRES_VIOLATION, test_funErr15REQUIRES_VIOLATION, test_funErr13REQUIRES_VIOLATION, test_funErr17REQUIRES_VIOLATION, test_funErr16REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, test_funErr29REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, test_funErr12REQUIRES_VIOLATION, test_funErr10REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-12-07 16:08:22,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:08:22,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1533919015, now seen corresponding path program 1 times [2019-12-07 16:08:22,565 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:08:22,565 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361719975] [2019-12-07 16:08:22,565 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:08:22,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:08:22,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:08:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:08:22,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:08:22,701 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361719975] [2019-12-07 16:08:22,702 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:08:22,702 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 16:08:22,702 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757132608] [2019-12-07 16:08:22,702 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 16:08:22,702 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:08:22,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 16:08:22,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 16:08:22,703 INFO L87 Difference]: Start difference. First operand 34 states and 35 transitions. Second operand 6 states. [2019-12-07 16:08:22,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:08:22,779 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2019-12-07 16:08:22,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 16:08:22,780 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2019-12-07 16:08:22,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:08:22,780 INFO L225 Difference]: With dead ends: 33 [2019-12-07 16:08:22,780 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 16:08:22,780 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-12-07 16:08:22,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 16:08:22,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 16:08:22,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 16:08:22,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 16:08:22,781 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2019-12-07 16:08:22,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:08:22,781 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 16:08:22,781 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 16:08:22,781 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 16:08:22,781 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 16:08:22,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 04:08:22 BoogieIcfgContainer [2019-12-07 16:08:22,784 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 16:08:22,785 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:08:22,785 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:08:22,785 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:08:22,785 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:08:21" (3/4) ... [2019-12-07 16:08:22,787 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 16:08:22,791 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-12-07 16:08:22,792 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2019-12-07 16:08:22,792 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test_fun [2019-12-07 16:08:22,792 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2019-12-07 16:08:22,792 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint16_identity [2019-12-07 16:08:22,792 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint64_identity [2019-12-07 16:08:22,792 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-12-07 16:08:22,792 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint32_identity [2019-12-07 16:08:22,795 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2019-12-07 16:08:22,796 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-12-07 16:08:22,796 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 16:08:22,796 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 16:08:22,830 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_28e372cd-80ec-4c34-91c1-7a428986d570/bin/uautomizer/witness.graphml [2019-12-07 16:08:22,830 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:08:22,832 INFO L168 Benchmark]: Toolchain (without parser) took 2074.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -132.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:08:22,832 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 958.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:08:22,832 INFO L168 Benchmark]: CACSL2BoogieTranslator took 308.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 938.2 MB in the beginning and 1.1 GB in the end (delta: -177.9 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-12-07 16:08:22,832 INFO L168 Benchmark]: Boogie Preprocessor took 34.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 16:08:22,833 INFO L168 Benchmark]: RCFGBuilder took 327.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.8 MB). Peak memory consumption was 49.8 MB. Max. memory is 11.5 GB. [2019-12-07 16:08:22,833 INFO L168 Benchmark]: TraceAbstraction took 1356.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -22.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:08:22,833 INFO L168 Benchmark]: Witness Printer took 45.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 16:08:22,834 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 958.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 308.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 938.2 MB in the beginning and 1.1 GB in the end (delta: -177.9 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 327.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.8 MB). Peak memory consumption was 49.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1356.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -22.1 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 45.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 528]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 520]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 519]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 519]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 528]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 521]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 521]: 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: 520]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 528]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 528]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 526]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 524]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 524]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 518]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 526]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 526]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 526]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 518]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 523]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 523]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 523]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 524]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 524]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 522]: 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: 522]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 523]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 522]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 522]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 532]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 31 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 82 locations, 31 error locations. Result: SAFE, OverallTime: 1.3s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 202 SDtfs, 301 SDslu, 95 SDs, 0 SdLazy, 660 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=67occurred 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, 9 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 105 NumberOfCodeBlocks, 105 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 10636 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...