./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-examples/relax-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ac7c9ad2-7cf9-416b-beab-37aee036ae68/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ac7c9ad2-7cf9-416b-beab-37aee036ae68/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ac7c9ad2-7cf9-416b-beab-37aee036ae68/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ac7c9ad2-7cf9-416b-beab-37aee036ae68/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-examples/relax-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_ac7c9ad2-7cf9-416b-beab-37aee036ae68/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ac7c9ad2-7cf9-416b-beab-37aee036ae68/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 c75be524a4f1d004e59f9ab0d874b08a78bf36d3 .......................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref) --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 21:02:20,672 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 21:02:20,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 21:02:20,687 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 21:02:20,688 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 21:02:20,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 21:02:20,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 21:02:20,699 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 21:02:20,704 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 21:02:20,708 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 21:02:20,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 21:02:20,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 21:02:20,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 21:02:20,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 21:02:20,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 21:02:20,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 21:02:20,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 21:02:20,717 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 21:02:20,720 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 21:02:20,723 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 21:02:20,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 21:02:20,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 21:02:20,731 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 21:02:20,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 21:02:20,734 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 21:02:20,734 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 21:02:20,734 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 21:02:20,736 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 21:02:20,736 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 21:02:20,737 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 21:02:20,737 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 21:02:20,738 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 21:02:20,739 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 21:02:20,739 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 21:02:20,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 21:02:20,741 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 21:02:20,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 21:02:20,742 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 21:02:20,742 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 21:02:20,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 21:02:20,744 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 21:02:20,745 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ac7c9ad2-7cf9-416b-beab-37aee036ae68/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-15 21:02:20,768 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 21:02:20,768 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 21:02:20,769 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 21:02:20,769 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 21:02:20,770 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 21:02:20,770 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 21:02:20,770 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 21:02:20,770 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 21:02:20,771 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 21:02:20,771 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 21:02:20,771 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 21:02:20,771 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-15 21:02:20,772 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-15 21:02:20,772 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-15 21:02:20,772 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 21:02:20,772 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 21:02:20,773 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 21:02:20,773 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 21:02:20,773 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 21:02:20,773 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 21:02:20,774 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 21:02:20,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 21:02:20,774 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 21:02:20,774 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 21:02:20,775 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 21:02:20,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 21:02:20,775 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_ac7c9ad2-7cf9-416b-beab-37aee036ae68/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 -> c75be524a4f1d004e59f9ab0d874b08a78bf36d3 [2019-11-15 21:02:20,801 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 21:02:20,810 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 21:02:20,814 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 21:02:20,815 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 21:02:20,816 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 21:02:20,817 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ac7c9ad2-7cf9-416b-beab-37aee036ae68/bin/uautomizer/../../sv-benchmarks/c/array-examples/relax-1.i [2019-11-15 21:02:20,871 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ac7c9ad2-7cf9-416b-beab-37aee036ae68/bin/uautomizer/data/cd31a87d3/bac9e5646b5c42159bc50af26f2d156d/FLAG41ececec1 [2019-11-15 21:02:21,290 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 21:02:21,291 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ac7c9ad2-7cf9-416b-beab-37aee036ae68/sv-benchmarks/c/array-examples/relax-1.i [2019-11-15 21:02:21,303 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ac7c9ad2-7cf9-416b-beab-37aee036ae68/bin/uautomizer/data/cd31a87d3/bac9e5646b5c42159bc50af26f2d156d/FLAG41ececec1 [2019-11-15 21:02:21,685 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ac7c9ad2-7cf9-416b-beab-37aee036ae68/bin/uautomizer/data/cd31a87d3/bac9e5646b5c42159bc50af26f2d156d [2019-11-15 21:02:21,687 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 21:02:21,688 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-15 21:02:21,689 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 21:02:21,689 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 21:02:21,692 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 21:02:21,693 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:02:21" (1/1) ... [2019-11-15 21:02:21,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1657b208 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:02:21, skipping insertion in model container [2019-11-15 21:02:21,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:02:21" (1/1) ... [2019-11-15 21:02:21,702 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 21:02:21,754 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 21:02:22,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:02:22,127 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 21:02:22,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:02:22,218 INFO L192 MainTranslator]: Completed translation [2019-11-15 21:02:22,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:02:22 WrapperNode [2019-11-15 21:02:22,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 21:02:22,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 21:02:22,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 21:02:22,220 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 21:02:22,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:02:22" (1/1) ... [2019-11-15 21:02:22,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:02:22" (1/1) ... [2019-11-15 21:02:22,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:02:22" (1/1) ... [2019-11-15 21:02:22,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:02:22" (1/1) ... [2019-11-15 21:02:22,272 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:02:22" (1/1) ... [2019-11-15 21:02:22,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:02:22" (1/1) ... [2019-11-15 21:02:22,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:02:22" (1/1) ... [2019-11-15 21:02:22,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 21:02:22,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 21:02:22,289 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 21:02:22,289 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 21:02:22,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:02:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ac7c9ad2-7cf9-416b-beab-37aee036ae68/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 [2019-11-15 21:02:22,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-15 21:02:22,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 21:02:22,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-15 21:02:22,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-15 21:02:22,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-15 21:02:22,358 INFO L138 BoogieDeclarations]: Found implementation of procedure is_relaxed_prefix [2019-11-15 21:02:22,359 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-15 21:02:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-15 21:02:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-11-15 21:02:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-15 21:02:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-15 21:02:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-15 21:02:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-15 21:02:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-15 21:02:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-15 21:02:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-15 21:02:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-15 21:02:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-15 21:02:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-15 21:02:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-15 21:02:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-15 21:02:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-15 21:02:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-15 21:02:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-15 21:02:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-15 21:02:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-15 21:02:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-15 21:02:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-15 21:02:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-15 21:02:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-15 21:02:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-15 21:02:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-15 21:02:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-15 21:02:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-15 21:02:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-15 21:02:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-15 21:02:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-15 21:02:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-15 21:02:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-15 21:02:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-15 21:02:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-15 21:02:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-15 21:02:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-15 21:02:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-15 21:02:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-15 21:02:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-15 21:02:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-15 21:02:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-15 21:02:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-15 21:02:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-15 21:02:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-15 21:02:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-15 21:02:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-15 21:02:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-15 21:02:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-15 21:02:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-15 21:02:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-15 21:02:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-15 21:02:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-15 21:02:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-15 21:02:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-15 21:02:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-15 21:02:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-15 21:02:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-15 21:02:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-15 21:02:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-15 21:02:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-15 21:02:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-15 21:02:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-11-15 21:02:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-15 21:02:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-15 21:02:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-15 21:02:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-15 21:02:22,374 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-15 21:02:22,374 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-15 21:02:22,374 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-15 21:02:22,375 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-15 21:02:22,376 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-15 21:02:22,376 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-15 21:02:22,376 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-15 21:02:22,376 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-15 21:02:22,376 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-15 21:02:22,376 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-15 21:02:22,376 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-15 21:02:22,376 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-15 21:02:22,377 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-15 21:02:22,377 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-15 21:02:22,377 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-15 21:02:22,377 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-15 21:02:22,377 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-15 21:02:22,377 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-15 21:02:22,377 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-15 21:02:22,377 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-15 21:02:22,378 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-15 21:02:22,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-15 21:02:22,378 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-15 21:02:22,378 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-15 21:02:22,378 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-15 21:02:22,378 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-15 21:02:22,378 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-15 21:02:22,378 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-15 21:02:22,378 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-15 21:02:22,379 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-15 21:02:22,379 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-15 21:02:22,379 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-15 21:02:22,379 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-15 21:02:22,379 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-15 21:02:22,379 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-15 21:02:22,379 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-15 21:02:22,379 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-15 21:02:22,380 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-15 21:02:22,380 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-15 21:02:22,380 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-15 21:02:22,380 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-15 21:02:22,380 INFO L130 BoogieDeclarations]: Found specification of procedure is_relaxed_prefix [2019-11-15 21:02:22,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 21:02:22,381 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-15 21:02:22,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-15 21:02:22,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 21:02:22,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 21:02:22,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-15 21:02:22,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 21:02:23,209 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 21:02:23,209 INFO L284 CfgBuilder]: Removed 3 assume(true) statements. [2019-11-15 21:02:23,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:02:23 BoogieIcfgContainer [2019-11-15 21:02:23,210 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 21:02:23,211 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 21:02:23,211 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 21:02:23,214 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 21:02:23,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 09:02:21" (1/3) ... [2019-11-15 21:02:23,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c9b00d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:02:23, skipping insertion in model container [2019-11-15 21:02:23,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:02:22" (2/3) ... [2019-11-15 21:02:23,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c9b00d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:02:23, skipping insertion in model container [2019-11-15 21:02:23,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:02:23" (3/3) ... [2019-11-15 21:02:23,217 INFO L109 eAbstractionObserver]: Analyzing ICFG relax-1.i [2019-11-15 21:02:23,226 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 21:02:23,233 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 31 error locations. [2019-11-15 21:02:23,242 INFO L249 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2019-11-15 21:02:23,259 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 21:02:23,260 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-15 21:02:23,260 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 21:02:23,260 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 21:02:23,260 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 21:02:23,260 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 21:02:23,261 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 21:02:23,261 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 21:02:23,276 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states. [2019-11-15 21:02:23,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-15 21:02:23,285 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:02:23,286 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:02:23,288 INFO L410 AbstractCegarLoop]: === Iteration 1 === [is_relaxed_prefixErr1REQUIRES_VIOLATION, is_relaxed_prefixErr0REQUIRES_VIOLATION, is_relaxed_prefixErr2REQUIRES_VIOLATION, is_relaxed_prefixErr3REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr21ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr20ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr26ENSURES_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION]=== [2019-11-15 21:02:23,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:02:23,293 INFO L82 PathProgramCache]: Analyzing trace with hash 366527912, now seen corresponding path program 1 times [2019-11-15 21:02:23,299 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:02:23,299 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580882290] [2019-11-15 21:02:23,299 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:02:23,299 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:02:23,300 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:02:23,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:02:23,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:02:23,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:02:23,543 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580882290] [2019-11-15 21:02:23,544 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:02:23,544 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 21:02:23,544 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607421741] [2019-11-15 21:02:23,548 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 21:02:23,548 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:02:23,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 21:02:23,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-15 21:02:23,566 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 6 states. [2019-11-15 21:02:24,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:02:24,047 INFO L93 Difference]: Finished difference Result 89 states and 105 transitions. [2019-11-15 21:02:24,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 21:02:24,050 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2019-11-15 21:02:24,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:02:24,071 INFO L225 Difference]: With dead ends: 89 [2019-11-15 21:02:24,071 INFO L226 Difference]: Without dead ends: 85 [2019-11-15 21:02:24,073 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-15 21:02:24,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2019-11-15 21:02:24,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2019-11-15 21:02:24,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2019-11-15 21:02:24,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 101 transitions. [2019-11-15 21:02:24,141 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 101 transitions. Word has length 11 [2019-11-15 21:02:24,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:02:24,142 INFO L462 AbstractCegarLoop]: Abstraction has 85 states and 101 transitions. [2019-11-15 21:02:24,142 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 21:02:24,142 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 101 transitions. [2019-11-15 21:02:24,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-15 21:02:24,143 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:02:24,144 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:02:24,145 INFO L410 AbstractCegarLoop]: === Iteration 2 === [is_relaxed_prefixErr1REQUIRES_VIOLATION, is_relaxed_prefixErr0REQUIRES_VIOLATION, is_relaxed_prefixErr2REQUIRES_VIOLATION, is_relaxed_prefixErr3REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr21ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr20ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr26ENSURES_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION]=== [2019-11-15 21:02:24,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:02:24,145 INFO L82 PathProgramCache]: Analyzing trace with hash 366527913, now seen corresponding path program 1 times [2019-11-15 21:02:24,145 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:02:24,146 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337433790] [2019-11-15 21:02:24,146 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:02:24,146 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:02:24,146 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:02:24,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 21:02:24,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 21:02:24,309 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 21:02:24,309 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-15 21:02:24,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 09:02:24 BoogieIcfgContainer [2019-11-15 21:02:24,347 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 21:02:24,348 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 21:02:24,348 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 21:02:24,348 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 21:02:24,349 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:02:23" (3/4) ... [2019-11-15 21:02:24,356 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-15 21:02:24,424 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ac7c9ad2-7cf9-416b-beab-37aee036ae68/bin/uautomizer/witness.graphml [2019-11-15 21:02:24,425 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 21:02:24,427 INFO L168 Benchmark]: Toolchain (without parser) took 2738.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 939.3 MB in the beginning and 1.0 GB in the end (delta: -64.4 MB). Peak memory consumption was 99.7 MB. Max. memory is 11.5 GB. [2019-11-15 21:02:24,427 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:02:24,428 INFO L168 Benchmark]: CACSL2BoogieTranslator took 530.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -201.9 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-15 21:02:24,429 INFO L168 Benchmark]: Boogie Preprocessor took 68.80 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-15 21:02:24,432 INFO L168 Benchmark]: RCFGBuilder took 921.86 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2019-11-15 21:02:24,434 INFO L168 Benchmark]: TraceAbstraction took 1135.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. [2019-11-15 21:02:24,434 INFO L168 Benchmark]: Witness Printer took 76.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:02:24,436 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 530.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -201.9 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 68.80 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 921.86 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1135.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. * Witness Printer took 76.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 570]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L585] unsigned long pat_len = __VERIFIER_nondet_ulong(), a_len = __VERIFIER_nondet_ulong(); [L585] unsigned long pat_len = __VERIFIER_nondet_ulong(), a_len = __VERIFIER_nondet_ulong(); [L586] int *pat=malloc(sizeof(int)*pat_len); [L587] int *a=malloc(sizeof(int)*a_len); VAL [a={-1:0}, a_len=-2, malloc(sizeof(int)*a_len)={-1:0}, malloc(sizeof(int)*pat_len)={1:0}, pat={1:0}, pat_len=-4294967295] [L588] CALL is_relaxed_prefix(pat, pat_len, a, a_len) VAL [\old(a_length)=4294967294, \old(pat_length)=1, a={-1:0}, pat={1:0}] [L565] COND FALSE !(pat_length>a_length+1) [L567] int shift=0; [L568] int i=0; VAL [\old(a_length)=4294967294, \old(pat_length)=1, a={-1:0}, a={-1:0}, a_length=4294967294, i=0, pat={1:0}, pat={1:0}, pat_length=1, shift=0] [L568] COND TRUE i