./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memory-alloca/c.03-alloca_true-valid-memsafety.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cbf971c2-7c5f-4d1e-9d16-acca7ce1c817/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cbf971c2-7c5f-4d1e-9d16-acca7ce1c817/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cbf971c2-7c5f-4d1e-9d16-acca7ce1c817/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cbf971c2-7c5f-4d1e-9d16-acca7ce1c817/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memory-alloca/c.03-alloca_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_cbf971c2-7c5f-4d1e-9d16-acca7ce1c817/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cbf971c2-7c5f-4d1e-9d16-acca7ce1c817/bin-2019/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 fbf9a4dabe36f21a3bd9a13ccbb8820aa048cd2e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 11:23:54,106 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:23:54,108 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:23:54,117 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:23:54,117 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:23:54,118 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:23:54,119 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:23:54,120 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:23:54,121 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:23:54,122 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:23:54,123 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:23:54,123 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:23:54,124 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:23:54,124 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:23:54,125 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:23:54,125 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:23:54,126 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:23:54,127 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:23:54,128 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:23:54,129 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:23:54,130 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:23:54,131 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:23:54,132 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:23:54,132 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:23:54,132 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:23:54,132 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:23:54,133 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:23:54,133 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:23:54,134 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:23:54,134 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:23:54,134 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:23:54,135 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:23:54,135 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:23:54,135 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:23:54,135 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:23:54,136 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:23:54,136 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cbf971c2-7c5f-4d1e-9d16-acca7ce1c817/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-11-28 11:23:54,143 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:23:54,144 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:23:54,144 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:23:54,144 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:23:54,145 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:23:54,145 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:23:54,145 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:23:54,145 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:23:54,145 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:23:54,146 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 11:23:54,146 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:23:54,146 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:23:54,146 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:23:54,146 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-28 11:23:54,146 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-28 11:23:54,147 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-28 11:23:54,147 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:23:54,147 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:23:54,147 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:23:54,147 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:23:54,147 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:23:54,148 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:23:54,148 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:23:54,148 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:23:54,148 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:23:54,148 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:23:54,148 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:23:54,148 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:23:54,149 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in 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/working_dir_cbf971c2-7c5f-4d1e-9d16-acca7ce1c817/bin-2019/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 -> fbf9a4dabe36f21a3bd9a13ccbb8820aa048cd2e [2018-11-28 11:23:54,171 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:23:54,180 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:23:54,182 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:23:54,183 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:23:54,183 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:23:54,184 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cbf971c2-7c5f-4d1e-9d16-acca7ce1c817/bin-2019/uautomizer/../../sv-benchmarks/c/memory-alloca/c.03-alloca_true-valid-memsafety.i [2018-11-28 11:23:54,224 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cbf971c2-7c5f-4d1e-9d16-acca7ce1c817/bin-2019/uautomizer/data/588e0b133/85abd7f0cc45418a8cbbde3f47628d13/FLAG08a0bca09 [2018-11-28 11:23:54,609 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:23:54,609 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cbf971c2-7c5f-4d1e-9d16-acca7ce1c817/sv-benchmarks/c/memory-alloca/c.03-alloca_true-valid-memsafety.i [2018-11-28 11:23:54,620 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cbf971c2-7c5f-4d1e-9d16-acca7ce1c817/bin-2019/uautomizer/data/588e0b133/85abd7f0cc45418a8cbbde3f47628d13/FLAG08a0bca09 [2018-11-28 11:23:54,989 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cbf971c2-7c5f-4d1e-9d16-acca7ce1c817/bin-2019/uautomizer/data/588e0b133/85abd7f0cc45418a8cbbde3f47628d13 [2018-11-28 11:23:54,992 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:23:54,993 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-28 11:23:54,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:23:54,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:23:54,997 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:23:54,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:23:54" (1/1) ... [2018-11-28 11:23:54,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4408b608 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:54, skipping insertion in model container [2018-11-28 11:23:54,999 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:23:54" (1/1) ... [2018-11-28 11:23:55,004 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:23:55,031 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:23:55,230 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:23:55,240 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:23:55,320 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:23:55,345 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:23:55,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:55 WrapperNode [2018-11-28 11:23:55,345 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:23:55,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:23:55,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:23:55,346 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:23:55,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:55" (1/1) ... [2018-11-28 11:23:55,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:55" (1/1) ... [2018-11-28 11:23:55,366 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:55" (1/1) ... [2018-11-28 11:23:55,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:55" (1/1) ... [2018-11-28 11:23:55,377 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:55" (1/1) ... [2018-11-28 11:23:55,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:55" (1/1) ... [2018-11-28 11:23:55,382 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:55" (1/1) ... [2018-11-28 11:23:55,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:23:55,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:23:55,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:23:55,387 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:23:55,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cbf971c2-7c5f-4d1e-9d16-acca7ce1c817/bin-2019/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 [2018-11-28 11:23:55,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 11:23:55,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:23:55,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-11-28 11:23:55,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-11-28 11:23:55,429 INFO L138 BoogieDeclarations]: Found implementation of procedure test_fun [2018-11-28 11:23:55,429 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 11:23:55,429 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-11-28 11:23:55,429 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-11-28 11:23:55,429 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-28 11:23:55,429 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-28 11:23:55,429 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-28 11:23:55,429 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-28 11:23:55,430 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-28 11:23:55,430 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-28 11:23:55,430 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-28 11:23:55,430 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-28 11:23:55,430 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-28 11:23:55,430 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-28 11:23:55,430 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-28 11:23:55,430 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-28 11:23:55,431 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-28 11:23:55,431 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-28 11:23:55,431 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-28 11:23:55,431 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-28 11:23:55,431 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-28 11:23:55,431 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-28 11:23:55,431 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-28 11:23:55,431 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-28 11:23:55,431 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-28 11:23:55,432 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-28 11:23:55,432 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-28 11:23:55,432 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-28 11:23:55,432 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-28 11:23:55,432 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-28 11:23:55,432 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-28 11:23:55,432 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-28 11:23:55,432 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-28 11:23:55,432 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-28 11:23:55,433 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-28 11:23:55,433 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-28 11:23:55,433 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-28 11:23:55,433 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-28 11:23:55,433 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-28 11:23:55,433 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-28 11:23:55,433 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-28 11:23:55,433 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-28 11:23:55,433 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-28 11:23:55,434 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-28 11:23:55,434 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-28 11:23:55,434 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-28 11:23:55,434 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-28 11:23:55,434 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-28 11:23:55,434 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-28 11:23:55,434 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-28 11:23:55,434 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-28 11:23:55,434 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-28 11:23:55,435 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-28 11:23:55,435 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-28 11:23:55,435 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-28 11:23:55,435 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-28 11:23:55,435 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-28 11:23:55,435 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-28 11:23:55,435 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-28 11:23:55,435 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-28 11:23:55,435 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-28 11:23:55,436 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-28 11:23:55,436 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-28 11:23:55,436 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-28 11:23:55,436 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-28 11:23:55,436 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-28 11:23:55,436 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-28 11:23:55,436 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-28 11:23:55,436 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-28 11:23:55,437 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-28 11:23:55,437 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-28 11:23:55,437 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-28 11:23:55,437 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-28 11:23:55,437 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-28 11:23:55,437 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-28 11:23:55,437 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-28 11:23:55,437 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-28 11:23:55,438 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-28 11:23:55,438 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-28 11:23:55,438 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-28 11:23:55,438 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-28 11:23:55,438 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-28 11:23:55,438 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-28 11:23:55,438 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-28 11:23:55,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-28 11:23:55,439 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-28 11:23:55,439 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-28 11:23:55,439 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-28 11:23:55,439 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-28 11:23:55,439 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-28 11:23:55,439 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-28 11:23:55,439 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-28 11:23:55,440 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-28 11:23:55,440 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-28 11:23:55,440 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-28 11:23:55,440 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-28 11:23:55,440 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-28 11:23:55,440 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-28 11:23:55,440 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-28 11:23:55,440 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-28 11:23:55,441 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-28 11:23:55,441 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-28 11:23:55,441 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-28 11:23:55,441 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-28 11:23:55,441 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-28 11:23:55,441 INFO L130 BoogieDeclarations]: Found specification of procedure test_fun [2018-11-28 11:23:55,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:23:55,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 11:23:55,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 11:23:55,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 11:23:55,442 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 11:23:55,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 11:23:55,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:23:55,775 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:23:55,775 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 11:23:55,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:23:55 BoogieIcfgContainer [2018-11-28 11:23:55,776 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:23:55,776 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:23:55,776 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:23:55,778 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:23:55,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:23:54" (1/3) ... [2018-11-28 11:23:55,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35f6a520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:23:55, skipping insertion in model container [2018-11-28 11:23:55,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:55" (2/3) ... [2018-11-28 11:23:55,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35f6a520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:23:55, skipping insertion in model container [2018-11-28 11:23:55,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:23:55" (3/3) ... [2018-11-28 11:23:55,781 INFO L112 eAbstractionObserver]: Analyzing ICFG c.03-alloca_true-valid-memsafety.i [2018-11-28 11:23:55,790 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:23:55,798 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 31 error locations. [2018-11-28 11:23:55,814 INFO L257 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2018-11-28 11:23:55,838 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:23:55,838 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:23:55,838 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-28 11:23:55,839 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:23:55,839 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:23:55,839 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:23:55,839 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:23:55,839 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:23:55,839 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:23:55,854 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states. [2018-11-28 11:23:55,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-28 11:23:55,863 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:23:55,864 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:23:55,866 INFO L423 AbstractCegarLoop]: === Iteration 1 === [test_funErr18REQUIRES_VIOLATION, test_funErr19REQUIRES_VIOLATION, test_funErr20REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr21REQUIRES_VIOLATION, test_funErr22REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr13REQUIRES_VIOLATION, test_funErr14REQUIRES_VIOLATION, test_funErr15REQUIRES_VIOLATION, test_funErr16REQUIRES_VIOLATION, test_funErr17REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, test_funErr29REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, test_funErr10REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, test_funErr12REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, test_funErr23REQUIRES_VIOLATION, test_funErr24REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr4REQUIRES_VIOLATION, test_funErr25REQUIRES_VIOLATION, test_funErr26REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr27REQUIRES_VIOLATION, test_funErr28REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 11:23:55,871 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:23:55,871 INFO L82 PathProgramCache]: Analyzing trace with hash 889529511, now seen corresponding path program 1 times [2018-11-28 11:23:55,873 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:23:55,873 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:23:55,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:55,914 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:23:55,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:55,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:23:56,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:23:56,036 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:23:56,037 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 11:23:56,040 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:23:56,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:23:56,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:23:56,056 INFO L87 Difference]: Start difference. First operand 67 states. Second operand 3 states. [2018-11-28 11:23:56,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:23:56,153 INFO L93 Difference]: Finished difference Result 62 states and 63 transitions. [2018-11-28 11:23:56,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:23:56,154 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-11-28 11:23:56,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:23:56,161 INFO L225 Difference]: With dead ends: 62 [2018-11-28 11:23:56,161 INFO L226 Difference]: Without dead ends: 59 [2018-11-28 11:23:56,162 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:23:56,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-11-28 11:23:56,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-11-28 11:23:56,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-11-28 11:23:56,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 60 transitions. [2018-11-28 11:23:56,191 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 60 transitions. Word has length 9 [2018-11-28 11:23:56,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:23:56,191 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 60 transitions. [2018-11-28 11:23:56,191 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:23:56,191 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2018-11-28 11:23:56,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-28 11:23:56,192 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:23:56,192 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:23:56,192 INFO L423 AbstractCegarLoop]: === Iteration 2 === [test_funErr18REQUIRES_VIOLATION, test_funErr19REQUIRES_VIOLATION, test_funErr20REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr21REQUIRES_VIOLATION, test_funErr22REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr13REQUIRES_VIOLATION, test_funErr14REQUIRES_VIOLATION, test_funErr15REQUIRES_VIOLATION, test_funErr16REQUIRES_VIOLATION, test_funErr17REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, test_funErr29REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, test_funErr10REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, test_funErr12REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, test_funErr23REQUIRES_VIOLATION, test_funErr24REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr4REQUIRES_VIOLATION, test_funErr25REQUIRES_VIOLATION, test_funErr26REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr27REQUIRES_VIOLATION, test_funErr28REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 11:23:56,192 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:23:56,193 INFO L82 PathProgramCache]: Analyzing trace with hash 889529512, now seen corresponding path program 1 times [2018-11-28 11:23:56,193 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:23:56,193 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:23:56,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:56,194 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:23:56,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:56,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:23:56,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:23:56,247 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:23:56,248 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 11:23:56,249 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:23:56,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:23:56,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:23:56,249 INFO L87 Difference]: Start difference. First operand 59 states and 60 transitions. Second operand 3 states. [2018-11-28 11:23:56,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:23:56,294 INFO L93 Difference]: Finished difference Result 54 states and 55 transitions. [2018-11-28 11:23:56,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:23:56,294 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-11-28 11:23:56,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:23:56,295 INFO L225 Difference]: With dead ends: 54 [2018-11-28 11:23:56,295 INFO L226 Difference]: Without dead ends: 54 [2018-11-28 11:23:56,295 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:23:56,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-11-28 11:23:56,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-11-28 11:23:56,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-11-28 11:23:56,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 55 transitions. [2018-11-28 11:23:56,298 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 55 transitions. Word has length 9 [2018-11-28 11:23:56,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:23:56,298 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 55 transitions. [2018-11-28 11:23:56,299 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:23:56,299 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 55 transitions. [2018-11-28 11:23:56,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-28 11:23:56,299 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:23:56,299 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:23:56,299 INFO L423 AbstractCegarLoop]: === Iteration 3 === [test_funErr18REQUIRES_VIOLATION, test_funErr19REQUIRES_VIOLATION, test_funErr20REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr21REQUIRES_VIOLATION, test_funErr22REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr13REQUIRES_VIOLATION, test_funErr14REQUIRES_VIOLATION, test_funErr15REQUIRES_VIOLATION, test_funErr16REQUIRES_VIOLATION, test_funErr17REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, test_funErr29REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, test_funErr10REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, test_funErr12REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, test_funErr23REQUIRES_VIOLATION, test_funErr24REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr4REQUIRES_VIOLATION, test_funErr25REQUIRES_VIOLATION, test_funErr26REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr27REQUIRES_VIOLATION, test_funErr28REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 11:23:56,300 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:23:56,300 INFO L82 PathProgramCache]: Analyzing trace with hash 1805611050, now seen corresponding path program 1 times [2018-11-28 11:23:56,300 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:23:56,300 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:23:56,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:56,301 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:23:56,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:56,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:23:56,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:23:56,336 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:23:56,336 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 11:23:56,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:23:56,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:23:56,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:23:56,337 INFO L87 Difference]: Start difference. First operand 54 states and 55 transitions. Second operand 3 states. [2018-11-28 11:23:56,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:23:56,388 INFO L93 Difference]: Finished difference Result 52 states and 53 transitions. [2018-11-28 11:23:56,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:23:56,388 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-11-28 11:23:56,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:23:56,389 INFO L225 Difference]: With dead ends: 52 [2018-11-28 11:23:56,389 INFO L226 Difference]: Without dead ends: 52 [2018-11-28 11:23:56,390 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:23:56,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-11-28 11:23:56,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-11-28 11:23:56,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-11-28 11:23:56,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 53 transitions. [2018-11-28 11:23:56,394 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 53 transitions. Word has length 10 [2018-11-28 11:23:56,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:23:56,394 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 53 transitions. [2018-11-28 11:23:56,394 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:23:56,394 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2018-11-28 11:23:56,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-28 11:23:56,395 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:23:56,395 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:23:56,395 INFO L423 AbstractCegarLoop]: === Iteration 4 === [test_funErr18REQUIRES_VIOLATION, test_funErr19REQUIRES_VIOLATION, test_funErr20REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr21REQUIRES_VIOLATION, test_funErr22REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr13REQUIRES_VIOLATION, test_funErr14REQUIRES_VIOLATION, test_funErr15REQUIRES_VIOLATION, test_funErr16REQUIRES_VIOLATION, test_funErr17REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, test_funErr29REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, test_funErr10REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, test_funErr12REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, test_funErr23REQUIRES_VIOLATION, test_funErr24REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr4REQUIRES_VIOLATION, test_funErr25REQUIRES_VIOLATION, test_funErr26REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr27REQUIRES_VIOLATION, test_funErr28REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 11:23:56,395 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:23:56,395 INFO L82 PathProgramCache]: Analyzing trace with hash 1805611051, now seen corresponding path program 1 times [2018-11-28 11:23:56,395 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:23:56,395 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:23:56,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:56,396 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:23:56,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:56,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:23:56,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:23:56,444 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:23:56,444 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 11:23:56,444 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:23:56,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:23:56,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:23:56,445 INFO L87 Difference]: Start difference. First operand 52 states and 53 transitions. Second operand 3 states. [2018-11-28 11:23:56,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:23:56,476 INFO L93 Difference]: Finished difference Result 50 states and 51 transitions. [2018-11-28 11:23:56,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:23:56,476 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-11-28 11:23:56,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:23:56,477 INFO L225 Difference]: With dead ends: 50 [2018-11-28 11:23:56,477 INFO L226 Difference]: Without dead ends: 50 [2018-11-28 11:23:56,477 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:23:56,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-11-28 11:23:56,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-11-28 11:23:56,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-11-28 11:23:56,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 51 transitions. [2018-11-28 11:23:56,481 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 51 transitions. Word has length 10 [2018-11-28 11:23:56,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:23:56,481 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 51 transitions. [2018-11-28 11:23:56,481 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:23:56,482 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 51 transitions. [2018-11-28 11:23:56,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-28 11:23:56,482 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:23:56,482 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:23:56,482 INFO L423 AbstractCegarLoop]: === Iteration 5 === [test_funErr18REQUIRES_VIOLATION, test_funErr19REQUIRES_VIOLATION, test_funErr20REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr21REQUIRES_VIOLATION, test_funErr22REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr13REQUIRES_VIOLATION, test_funErr14REQUIRES_VIOLATION, test_funErr15REQUIRES_VIOLATION, test_funErr16REQUIRES_VIOLATION, test_funErr17REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, test_funErr29REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, test_funErr10REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, test_funErr12REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, test_funErr23REQUIRES_VIOLATION, test_funErr24REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr4REQUIRES_VIOLATION, test_funErr25REQUIRES_VIOLATION, test_funErr26REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr27REQUIRES_VIOLATION, test_funErr28REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 11:23:56,482 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:23:56,483 INFO L82 PathProgramCache]: Analyzing trace with hash 139367690, now seen corresponding path program 1 times [2018-11-28 11:23:56,483 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:23:56,483 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:23:56,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:56,484 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:23:56,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:56,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:23:56,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:23:56,503 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:23:56,503 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 11:23:56,503 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:23:56,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:23:56,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:23:56,504 INFO L87 Difference]: Start difference. First operand 50 states and 51 transitions. Second operand 3 states. [2018-11-28 11:23:56,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:23:56,539 INFO L93 Difference]: Finished difference Result 46 states and 47 transitions. [2018-11-28 11:23:56,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:23:56,541 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-11-28 11:23:56,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:23:56,542 INFO L225 Difference]: With dead ends: 46 [2018-11-28 11:23:56,542 INFO L226 Difference]: Without dead ends: 46 [2018-11-28 11:23:56,542 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:23:56,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-11-28 11:23:56,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2018-11-28 11:23:56,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-11-28 11:23:56,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 47 transitions. [2018-11-28 11:23:56,547 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 47 transitions. Word has length 11 [2018-11-28 11:23:56,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:23:56,547 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 47 transitions. [2018-11-28 11:23:56,547 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:23:56,547 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 47 transitions. [2018-11-28 11:23:56,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-28 11:23:56,548 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:23:56,548 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:23:56,548 INFO L423 AbstractCegarLoop]: === Iteration 6 === [test_funErr18REQUIRES_VIOLATION, test_funErr19REQUIRES_VIOLATION, test_funErr20REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr21REQUIRES_VIOLATION, test_funErr22REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr13REQUIRES_VIOLATION, test_funErr14REQUIRES_VIOLATION, test_funErr15REQUIRES_VIOLATION, test_funErr16REQUIRES_VIOLATION, test_funErr17REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, test_funErr29REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, test_funErr10REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, test_funErr12REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, test_funErr23REQUIRES_VIOLATION, test_funErr24REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr4REQUIRES_VIOLATION, test_funErr25REQUIRES_VIOLATION, test_funErr26REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr27REQUIRES_VIOLATION, test_funErr28REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 11:23:56,548 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:23:56,549 INFO L82 PathProgramCache]: Analyzing trace with hash 139367691, now seen corresponding path program 1 times [2018-11-28 11:23:56,549 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:23:56,549 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:23:56,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:56,550 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:23:56,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:56,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:23:56,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:23:56,589 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:23:56,589 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 11:23:56,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:23:56,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:23:56,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:23:56,590 INFO L87 Difference]: Start difference. First operand 46 states and 47 transitions. Second operand 3 states. [2018-11-28 11:23:56,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:23:56,619 INFO L93 Difference]: Finished difference Result 42 states and 43 transitions. [2018-11-28 11:23:56,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:23:56,619 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-11-28 11:23:56,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:23:56,620 INFO L225 Difference]: With dead ends: 42 [2018-11-28 11:23:56,620 INFO L226 Difference]: Without dead ends: 42 [2018-11-28 11:23:56,620 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:23:56,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-11-28 11:23:56,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-11-28 11:23:56,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-11-28 11:23:56,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 43 transitions. [2018-11-28 11:23:56,623 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 43 transitions. Word has length 11 [2018-11-28 11:23:56,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:23:56,623 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 43 transitions. [2018-11-28 11:23:56,623 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:23:56,623 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2018-11-28 11:23:56,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-28 11:23:56,624 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:23:56,624 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:23:56,624 INFO L423 AbstractCegarLoop]: === Iteration 7 === [test_funErr18REQUIRES_VIOLATION, test_funErr19REQUIRES_VIOLATION, test_funErr20REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr21REQUIRES_VIOLATION, test_funErr22REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr13REQUIRES_VIOLATION, test_funErr14REQUIRES_VIOLATION, test_funErr15REQUIRES_VIOLATION, test_funErr16REQUIRES_VIOLATION, test_funErr17REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, test_funErr29REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, test_funErr10REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, test_funErr12REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, test_funErr23REQUIRES_VIOLATION, test_funErr24REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr4REQUIRES_VIOLATION, test_funErr25REQUIRES_VIOLATION, test_funErr26REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr27REQUIRES_VIOLATION, test_funErr28REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 11:23:56,624 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:23:56,625 INFO L82 PathProgramCache]: Analyzing trace with hash 25431085, now seen corresponding path program 1 times [2018-11-28 11:23:56,625 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:23:56,625 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:23:56,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:56,626 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:23:56,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:56,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:23:56,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:23:56,653 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:23:56,653 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 11:23:56,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:23:56,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:23:56,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:23:56,654 INFO L87 Difference]: Start difference. First operand 42 states and 43 transitions. Second operand 3 states. [2018-11-28 11:23:56,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:23:56,710 INFO L93 Difference]: Finished difference Result 38 states and 39 transitions. [2018-11-28 11:23:56,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:23:56,711 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-11-28 11:23:56,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:23:56,711 INFO L225 Difference]: With dead ends: 38 [2018-11-28 11:23:56,711 INFO L226 Difference]: Without dead ends: 38 [2018-11-28 11:23:56,712 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:23:56,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-11-28 11:23:56,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-11-28 11:23:56,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-11-28 11:23:56,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 39 transitions. [2018-11-28 11:23:56,714 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 39 transitions. Word has length 12 [2018-11-28 11:23:56,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:23:56,714 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 39 transitions. [2018-11-28 11:23:56,715 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:23:56,715 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2018-11-28 11:23:56,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-28 11:23:56,715 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:23:56,715 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:23:56,716 INFO L423 AbstractCegarLoop]: === Iteration 8 === [test_funErr18REQUIRES_VIOLATION, test_funErr19REQUIRES_VIOLATION, test_funErr20REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr21REQUIRES_VIOLATION, test_funErr22REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr13REQUIRES_VIOLATION, test_funErr14REQUIRES_VIOLATION, test_funErr15REQUIRES_VIOLATION, test_funErr16REQUIRES_VIOLATION, test_funErr17REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, test_funErr29REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, test_funErr10REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, test_funErr12REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, test_funErr23REQUIRES_VIOLATION, test_funErr24REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr4REQUIRES_VIOLATION, test_funErr25REQUIRES_VIOLATION, test_funErr26REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr27REQUIRES_VIOLATION, test_funErr28REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 11:23:56,716 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:23:56,716 INFO L82 PathProgramCache]: Analyzing trace with hash 25431086, now seen corresponding path program 1 times [2018-11-28 11:23:56,716 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:23:56,716 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:23:56,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:56,717 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:23:56,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:56,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:23:56,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:23:56,747 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:23:56,748 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 11:23:56,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:23:56,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:23:56,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:23:56,749 INFO L87 Difference]: Start difference. First operand 38 states and 39 transitions. Second operand 3 states. [2018-11-28 11:23:56,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:23:56,786 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2018-11-28 11:23:56,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:23:56,787 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-11-28 11:23:56,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:23:56,787 INFO L225 Difference]: With dead ends: 34 [2018-11-28 11:23:56,787 INFO L226 Difference]: Without dead ends: 34 [2018-11-28 11:23:56,788 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:23:56,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-11-28 11:23:56,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-11-28 11:23:56,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-11-28 11:23:56,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2018-11-28 11:23:56,791 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 12 [2018-11-28 11:23:56,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:23:56,791 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions. [2018-11-28 11:23:56,791 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:23:56,791 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2018-11-28 11:23:56,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-28 11:23:56,792 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:23:56,792 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:23:56,792 INFO L423 AbstractCegarLoop]: === Iteration 9 === [test_funErr18REQUIRES_VIOLATION, test_funErr19REQUIRES_VIOLATION, test_funErr20REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr21REQUIRES_VIOLATION, test_funErr22REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr13REQUIRES_VIOLATION, test_funErr14REQUIRES_VIOLATION, test_funErr15REQUIRES_VIOLATION, test_funErr16REQUIRES_VIOLATION, test_funErr17REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, test_funErr29REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, test_funErr10REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, test_funErr12REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, test_funErr23REQUIRES_VIOLATION, test_funErr24REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr4REQUIRES_VIOLATION, test_funErr25REQUIRES_VIOLATION, test_funErr26REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr27REQUIRES_VIOLATION, test_funErr28REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 11:23:56,793 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:23:56,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1586130209, now seen corresponding path program 1 times [2018-11-28 11:23:56,793 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:23:56,793 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:23:56,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:56,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:23:56,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:56,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:23:57,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:23:57,051 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:23:57,051 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 11:23:57,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:23:57,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:23:57,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:23:57,052 INFO L87 Difference]: Start difference. First operand 34 states and 35 transitions. Second operand 5 states. [2018-11-28 11:23:57,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:23:57,113 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2018-11-28 11:23:57,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 11:23:57,113 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-11-28 11:23:57,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:23:57,114 INFO L225 Difference]: With dead ends: 33 [2018-11-28 11:23:57,114 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 11:23:57,114 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:23:57,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 11:23:57,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 11:23:57,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 11:23:57,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 11:23:57,115 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2018-11-28 11:23:57,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:23:57,115 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:23:57,115 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:23:57,115 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 11:23:57,115 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 11:23:57,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:23:57 BoogieIcfgContainer [2018-11-28 11:23:57,119 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 11:23:57,120 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:23:57,120 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:23:57,120 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:23:57,120 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:23:55" (3/4) ... [2018-11-28 11:23:57,123 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 11:23:57,128 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 11:23:57,128 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2018-11-28 11:23:57,128 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test_fun [2018-11-28 11:23:57,129 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2018-11-28 11:23:57,129 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 11:23:57,132 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-11-28 11:23:57,133 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-28 11:23:57,133 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 11:23:57,178 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cbf971c2-7c5f-4d1e-9d16-acca7ce1c817/bin-2019/uautomizer/witness.graphml [2018-11-28 11:23:57,179 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:23:57,180 INFO L168 Benchmark]: Toolchain (without parser) took 2187.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 950.6 MB in the beginning and 924.6 MB in the end (delta: 26.0 MB). Peak memory consumption was 174.4 MB. Max. memory is 11.5 GB. [2018-11-28 11:23:57,181 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:23:57,181 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -186.2 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-11-28 11:23:57,182 INFO L168 Benchmark]: Boogie Preprocessor took 40.87 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-28 11:23:57,182 INFO L168 Benchmark]: RCFGBuilder took 388.80 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: 48.8 MB). Peak memory consumption was 48.8 MB. Max. memory is 11.5 GB. [2018-11-28 11:23:57,182 INFO L168 Benchmark]: TraceAbstraction took 1343.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 927.9 MB in the end (delta: 156.7 MB). Peak memory consumption was 156.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:23:57,183 INFO L168 Benchmark]: Witness Printer took 59.03 ms. Allocated memory is still 1.2 GB. Free memory was 927.9 MB in the beginning and 924.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-28 11:23:57,184 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 351.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -186.2 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.87 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 388.80 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: 48.8 MB). Peak memory consumption was 48.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1343.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 927.9 MB in the end (delta: 156.7 MB). Peak memory consumption was 156.7 MB. Max. memory is 11.5 GB. * Witness Printer took 59.03 ms. Allocated memory is still 1.2 GB. Free memory was 927.9 MB in the beginning and 924.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 552]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 552]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 552]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 552]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 558]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 556]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 556]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 556]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 556]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 558]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 560]: 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 6 procedures, 73 locations, 31 error locations. SAFE Result, 1.2s OverallTime, 9 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 218 SDtfs, 297 SDslu, 93 SDs, 0 SdLazy, 248 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s 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 AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 105 NumberOfCodeBlocks, 105 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 21752 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...