./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-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_834ac2d9-80a1-4303-bd76-ea5d26746923/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_834ac2d9-80a1-4303-bd76-ea5d26746923/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_834ac2d9-80a1-4303-bd76-ea5d26746923/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_834ac2d9-80a1-4303-bd76-ea5d26746923/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_834ac2d9-80a1-4303-bd76-ea5d26746923/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_834ac2d9-80a1-4303-bd76-ea5d26746923/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 b9633ec6dc7e01a7231c1be5ed310faef61ba6b0 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_834ac2d9-80a1-4303-bd76-ea5d26746923/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_834ac2d9-80a1-4303-bd76-ea5d26746923/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_834ac2d9-80a1-4303-bd76-ea5d26746923/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_834ac2d9-80a1-4303-bd76-ea5d26746923/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_834ac2d9-80a1-4303-bd76-ea5d26746923/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_834ac2d9-80a1-4303-bd76-ea5d26746923/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 b9633ec6dc7e01a7231c1be5ed310faef61ba6b0 ..................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort C_DOUBLE not declared --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 22:19:41,211 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:19:41,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:19:41,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:19:41,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:19:41,227 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:19:41,228 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:19:41,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:19:41,233 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:19:41,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:19:41,235 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:19:41,237 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:19:41,237 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:19:41,238 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:19:41,240 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:19:41,241 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:19:41,242 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:19:41,243 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:19:41,245 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:19:41,247 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:19:41,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:19:41,250 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:19:41,251 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:19:41,252 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:19:41,256 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:19:41,256 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:19:41,256 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:19:41,257 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:19:41,258 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:19:41,259 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:19:41,260 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:19:41,261 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:19:41,262 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:19:41,262 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:19:41,264 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:19:41,264 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:19:41,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:19:41,265 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:19:41,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:19:41,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:19:41,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:19:41,268 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_834ac2d9-80a1-4303-bd76-ea5d26746923/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-15 22:19:41,284 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:19:41,284 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:19:41,286 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:19:41,286 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:19:41,286 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:19:41,287 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:19:41,287 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:19:41,287 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 22:19:41,288 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:19:41,288 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:19:41,288 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:19:41,289 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-15 22:19:41,289 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-15 22:19:41,289 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-15 22:19:41,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 22:19:41,290 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:19:41,290 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:19:41,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:19:41,291 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:19:41,291 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 22:19:41,291 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 22:19:41,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:19:41,292 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:19:41,292 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 22:19:41,293 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 22:19:41,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 22:19:41,293 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_834ac2d9-80a1-4303-bd76-ea5d26746923/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 -> b9633ec6dc7e01a7231c1be5ed310faef61ba6b0 [2019-11-15 22:19:41,324 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:19:41,336 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:19:41,340 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:19:41,341 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:19:41,342 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:19:41,342 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_834ac2d9-80a1-4303-bd76-ea5d26746923/bin/uautomizer/../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i [2019-11-15 22:19:41,405 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_834ac2d9-80a1-4303-bd76-ea5d26746923/bin/uautomizer/data/832da8090/ab71a03fa0af44269fb81baf275d9a14/FLAGb175af97e [2019-11-15 22:19:41,920 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:19:41,920 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_834ac2d9-80a1-4303-bd76-ea5d26746923/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i [2019-11-15 22:19:41,935 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_834ac2d9-80a1-4303-bd76-ea5d26746923/bin/uautomizer/data/832da8090/ab71a03fa0af44269fb81baf275d9a14/FLAGb175af97e [2019-11-15 22:19:42,170 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_834ac2d9-80a1-4303-bd76-ea5d26746923/bin/uautomizer/data/832da8090/ab71a03fa0af44269fb81baf275d9a14 [2019-11-15 22:19:42,173 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:19:42,175 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-15 22:19:42,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:19:42,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:19:42,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:19:42,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:19:42" (1/1) ... [2019-11-15 22:19:42,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bd48f11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:19:42, skipping insertion in model container [2019-11-15 22:19:42,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:19:42" (1/1) ... [2019-11-15 22:19:42,192 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:19:42,239 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:19:42,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:19:42,762 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:19:42,832 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:19:42,901 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:19:42,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:19:42 WrapperNode [2019-11-15 22:19:42,902 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:19:42,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:19:42,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:19:42,903 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:19:42,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:19:42" (1/1) ... [2019-11-15 22:19:42,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:19:42" (1/1) ... [2019-11-15 22:19:42,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:19:42" (1/1) ... [2019-11-15 22:19:42,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:19:42" (1/1) ... [2019-11-15 22:19:42,989 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:19:42" (1/1) ... [2019-11-15 22:19:42,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:19:42" (1/1) ... [2019-11-15 22:19:43,002 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:19:42" (1/1) ... [2019-11-15 22:19:43,010 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:19:43,011 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:19:43,011 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:19:43,011 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:19:43,012 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:19:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_834ac2d9-80a1-4303-bd76-ea5d26746923/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 22:19:43,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-15 22:19:43,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:19:43,101 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-15 22:19:43,101 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-15 22:19:43,101 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-15 22:19:43,102 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-15 22:19:43,104 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-15 22:19:43,104 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-15 22:19:43,105 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-15 22:19:43,105 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-15 22:19:43,105 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-15 22:19:43,105 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-15 22:19:43,106 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-15 22:19:43,107 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-15 22:19:43,107 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-15 22:19:43,107 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-15 22:19:43,107 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-15 22:19:43,107 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-15 22:19:43,110 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-15 22:19:43,110 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-15 22:19:43,111 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-15 22:19:43,111 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-15 22:19:43,111 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-15 22:19:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-15 22:19:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-15 22:19:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-15 22:19:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-15 22:19:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-15 22:19:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-15 22:19:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-15 22:19:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-15 22:19:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-15 22:19:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-15 22:19:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-15 22:19:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-15 22:19:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-15 22:19:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-15 22:19:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-15 22:19:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-15 22:19:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-15 22:19:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-15 22:19:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-15 22:19:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-15 22:19:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-15 22:19:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-15 22:19:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-15 22:19:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-15 22:19:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-15 22:19:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-15 22:19:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-15 22:19:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-15 22:19:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-15 22:19:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-15 22:19:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-15 22:19:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-15 22:19:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-15 22:19:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-15 22:19:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-11-15 22:19:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-15 22:19:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-15 22:19:43,118 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-15 22:19:43,118 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-15 22:19:43,118 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-15 22:19:43,118 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-15 22:19:43,118 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-15 22:19:43,118 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-15 22:19:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-15 22:19:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-15 22:19:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-15 22:19:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-15 22:19:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-15 22:19:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-15 22:19:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-15 22:19:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-15 22:19:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-15 22:19:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-15 22:19:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-15 22:19:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-15 22:19:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-15 22:19:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-15 22:19:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-15 22:19:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-15 22:19:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-15 22:19:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-15 22:19:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-15 22:19:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-15 22:19:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-15 22:19:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-15 22:19:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-15 22:19:43,125 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-15 22:19:43,125 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-15 22:19:43,125 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-15 22:19:43,125 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-15 22:19:43,125 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-15 22:19:43,125 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-15 22:19:43,125 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-15 22:19:43,125 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-15 22:19:43,126 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-15 22:19:43,126 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-15 22:19:43,126 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-15 22:19:43,126 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-15 22:19:43,126 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-15 22:19:43,126 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-15 22:19:43,126 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-15 22:19:43,126 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-15 22:19:43,126 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-15 22:19:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-15 22:19:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-15 22:19:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-15 22:19:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-15 22:19:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-15 22:19:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 22:19:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-15 22:19:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 22:19:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 22:19:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-15 22:19:43,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:19:44,045 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:19:44,045 INFO L284 CfgBuilder]: Removed 17 assume(true) statements. [2019-11-15 22:19:44,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:19:44 BoogieIcfgContainer [2019-11-15 22:19:44,047 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:19:44,048 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 22:19:44,048 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 22:19:44,051 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 22:19:44,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:19:42" (1/3) ... [2019-11-15 22:19:44,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21906723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:19:44, skipping insertion in model container [2019-11-15 22:19:44,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:19:42" (2/3) ... [2019-11-15 22:19:44,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21906723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:19:44, skipping insertion in model container [2019-11-15 22:19:44,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:19:44" (3/3) ... [2019-11-15 22:19:44,054 INFO L109 eAbstractionObserver]: Analyzing ICFG dll-rb-sentinel-1.i [2019-11-15 22:19:44,065 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 22:19:44,074 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 70 error locations. [2019-11-15 22:19:44,087 INFO L249 AbstractCegarLoop]: Starting to check reachability of 70 error locations. [2019-11-15 22:19:44,109 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 22:19:44,109 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-15 22:19:44,109 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 22:19:44,109 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:19:44,109 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:19:44,109 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 22:19:44,110 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:19:44,110 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 22:19:44,132 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states. [2019-11-15 22:19:44,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-15 22:19:44,143 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:19:44,144 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:19:44,146 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr46REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr42REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION]=== [2019-11-15 22:19:44,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:19:44,152 INFO L82 PathProgramCache]: Analyzing trace with hash -1976719418, now seen corresponding path program 1 times [2019-11-15 22:19:44,161 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:19:44,162 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586811540] [2019-11-15 22:19:44,162 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:19:44,162 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:19:44,162 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:19:44,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:19:44,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:19:44,366 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 22:19:44,367 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586811540] [2019-11-15 22:19:44,367 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:19:44,368 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 22:19:44,368 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927525889] [2019-11-15 22:19:44,372 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 22:19:44,373 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:19:44,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 22:19:44,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 22:19:44,391 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 4 states. [2019-11-15 22:19:44,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:19:44,975 INFO L93 Difference]: Finished difference Result 181 states and 188 transitions. [2019-11-15 22:19:44,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 22:19:44,978 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-15 22:19:44,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:19:44,998 INFO L225 Difference]: With dead ends: 181 [2019-11-15 22:19:44,999 INFO L226 Difference]: Without dead ends: 177 [2019-11-15 22:19:45,004 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-15 22:19:45,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2019-11-15 22:19:45,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 149. [2019-11-15 22:19:45,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2019-11-15 22:19:45,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 154 transitions. [2019-11-15 22:19:45,063 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 154 transitions. Word has length 7 [2019-11-15 22:19:45,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:19:45,063 INFO L462 AbstractCegarLoop]: Abstraction has 149 states and 154 transitions. [2019-11-15 22:19:45,063 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 22:19:45,063 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 154 transitions. [2019-11-15 22:19:45,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-15 22:19:45,064 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:19:45,064 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:19:45,065 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr46REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr42REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION]=== [2019-11-15 22:19:45,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:19:45,065 INFO L82 PathProgramCache]: Analyzing trace with hash -1976719417, now seen corresponding path program 1 times [2019-11-15 22:19:45,066 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:19:45,066 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101583314] [2019-11-15 22:19:45,066 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:19:45,066 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:19:45,066 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:19:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:19:45,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:19:45,139 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 22:19:45,140 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101583314] [2019-11-15 22:19:45,140 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:19:45,140 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 22:19:45,140 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162573745] [2019-11-15 22:19:45,142 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 22:19:45,142 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:19:45,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 22:19:45,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 22:19:45,143 INFO L87 Difference]: Start difference. First operand 149 states and 154 transitions. Second operand 4 states. [2019-11-15 22:19:45,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:19:45,604 INFO L93 Difference]: Finished difference Result 146 states and 151 transitions. [2019-11-15 22:19:45,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 22:19:45,605 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-15 22:19:45,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:19:45,607 INFO L225 Difference]: With dead ends: 146 [2019-11-15 22:19:45,607 INFO L226 Difference]: Without dead ends: 146 [2019-11-15 22:19:45,608 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 22:19:45,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-11-15 22:19:45,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2019-11-15 22:19:45,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-11-15 22:19:45,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 151 transitions. [2019-11-15 22:19:45,621 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 151 transitions. Word has length 7 [2019-11-15 22:19:45,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:19:45,622 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 151 transitions. [2019-11-15 22:19:45,622 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 22:19:45,622 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 151 transitions. [2019-11-15 22:19:45,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-15 22:19:45,623 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:19:45,623 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:19:45,623 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr46REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr42REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION]=== [2019-11-15 22:19:45,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:19:45,624 INFO L82 PathProgramCache]: Analyzing trace with hash -404940086, now seen corresponding path program 1 times [2019-11-15 22:19:45,624 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:19:45,625 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976000630] [2019-11-15 22:19:45,625 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:19:45,625 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:19:45,625 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:19:45,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:19:45,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:19:45,713 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 22:19:45,713 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976000630] [2019-11-15 22:19:45,714 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:19:45,714 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 22:19:45,714 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891439422] [2019-11-15 22:19:45,715 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 22:19:45,715 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:19:45,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 22:19:45,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 22:19:45,716 INFO L87 Difference]: Start difference. First operand 146 states and 151 transitions. Second operand 4 states. [2019-11-15 22:19:46,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:19:46,145 INFO L93 Difference]: Finished difference Result 145 states and 150 transitions. [2019-11-15 22:19:46,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 22:19:46,146 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-11-15 22:19:46,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:19:46,147 INFO L225 Difference]: With dead ends: 145 [2019-11-15 22:19:46,148 INFO L226 Difference]: Without dead ends: 145 [2019-11-15 22:19:46,148 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 22:19:46,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2019-11-15 22:19:46,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 141. [2019-11-15 22:19:46,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-11-15 22:19:46,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 148 transitions. [2019-11-15 22:19:46,161 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 148 transitions. Word has length 11 [2019-11-15 22:19:46,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:19:46,161 INFO L462 AbstractCegarLoop]: Abstraction has 141 states and 148 transitions. [2019-11-15 22:19:46,162 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 22:19:46,162 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 148 transitions. [2019-11-15 22:19:46,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-15 22:19:46,163 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:19:46,163 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:19:46,163 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr46REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr42REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION]=== [2019-11-15 22:19:46,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:19:46,164 INFO L82 PathProgramCache]: Analyzing trace with hash -404940085, now seen corresponding path program 1 times [2019-11-15 22:19:46,164 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:19:46,165 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620165223] [2019-11-15 22:19:46,165 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:19:46,165 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:19:46,166 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:19:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:19:46,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:19:46,269 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 22:19:46,269 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620165223] [2019-11-15 22:19:46,270 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:19:46,270 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 22:19:46,270 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952028474] [2019-11-15 22:19:46,271 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 22:19:46,271 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:19:46,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 22:19:46,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 22:19:46,272 INFO L87 Difference]: Start difference. First operand 141 states and 148 transitions. Second operand 4 states. [2019-11-15 22:19:46,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:19:46,673 INFO L93 Difference]: Finished difference Result 158 states and 164 transitions. [2019-11-15 22:19:46,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 22:19:46,674 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-11-15 22:19:46,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:19:46,676 INFO L225 Difference]: With dead ends: 158 [2019-11-15 22:19:46,676 INFO L226 Difference]: Without dead ends: 158 [2019-11-15 22:19:46,676 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 22:19:46,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2019-11-15 22:19:46,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 145. [2019-11-15 22:19:46,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2019-11-15 22:19:46,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 152 transitions. [2019-11-15 22:19:46,686 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 152 transitions. Word has length 11 [2019-11-15 22:19:46,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:19:46,687 INFO L462 AbstractCegarLoop]: Abstraction has 145 states and 152 transitions. [2019-11-15 22:19:46,687 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 22:19:46,687 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 152 transitions. [2019-11-15 22:19:46,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-15 22:19:46,688 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:19:46,688 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:19:46,689 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr46REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr42REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION]=== [2019-11-15 22:19:46,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:19:46,690 INFO L82 PathProgramCache]: Analyzing trace with hash -716582381, now seen corresponding path program 1 times [2019-11-15 22:19:46,690 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:19:46,690 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053254233] [2019-11-15 22:19:46,690 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:19:46,691 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:19:46,691 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:19:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:19:46,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:19:46,832 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 22:19:46,832 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053254233] [2019-11-15 22:19:46,832 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:19:46,833 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 22:19:46,833 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334324189] [2019-11-15 22:19:46,833 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 22:19:46,833 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:19:46,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 22:19:46,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-15 22:19:46,835 INFO L87 Difference]: Start difference. First operand 145 states and 152 transitions. Second operand 5 states. [2019-11-15 22:19:47,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:19:47,226 INFO L93 Difference]: Finished difference Result 146 states and 154 transitions. [2019-11-15 22:19:47,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 22:19:47,227 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-11-15 22:19:47,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:19:47,228 INFO L225 Difference]: With dead ends: 146 [2019-11-15 22:19:47,229 INFO L226 Difference]: Without dead ends: 146 [2019-11-15 22:19:47,229 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-15 22:19:47,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-11-15 22:19:47,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 132. [2019-11-15 22:19:47,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2019-11-15 22:19:47,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 141 transitions. [2019-11-15 22:19:47,237 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 141 transitions. Word has length 17 [2019-11-15 22:19:47,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:19:47,237 INFO L462 AbstractCegarLoop]: Abstraction has 132 states and 141 transitions. [2019-11-15 22:19:47,237 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 22:19:47,238 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 141 transitions. [2019-11-15 22:19:47,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-15 22:19:47,238 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:19:47,239 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:19:47,239 INFO L410 AbstractCegarLoop]: === Iteration 6 === [mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr46REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr42REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION]=== [2019-11-15 22:19:47,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:19:47,240 INFO L82 PathProgramCache]: Analyzing trace with hash -716582380, now seen corresponding path program 1 times [2019-11-15 22:19:47,240 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:19:47,240 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908984418] [2019-11-15 22:19:47,240 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:19:47,241 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:19:47,241 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:19:47,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:19:47,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:19:47,403 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 22:19:47,404 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908984418] [2019-11-15 22:19:47,404 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:19:47,404 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 22:19:47,405 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981766878] [2019-11-15 22:19:47,405 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 22:19:47,405 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:19:47,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 22:19:47,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:19:47,406 INFO L87 Difference]: Start difference. First operand 132 states and 141 transitions. Second operand 7 states. [2019-11-15 22:19:47,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:19:47,957 INFO L93 Difference]: Finished difference Result 170 states and 180 transitions. [2019-11-15 22:19:47,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 22:19:47,957 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2019-11-15 22:19:47,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:19:47,959 INFO L225 Difference]: With dead ends: 170 [2019-11-15 22:19:47,959 INFO L226 Difference]: Without dead ends: 170 [2019-11-15 22:19:47,959 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-15 22:19:47,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2019-11-15 22:19:47,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 141. [2019-11-15 22:19:47,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-11-15 22:19:47,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 153 transitions. [2019-11-15 22:19:47,966 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 153 transitions. Word has length 17 [2019-11-15 22:19:47,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:19:47,966 INFO L462 AbstractCegarLoop]: Abstraction has 141 states and 153 transitions. [2019-11-15 22:19:47,966 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 22:19:47,967 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 153 transitions. [2019-11-15 22:19:47,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-15 22:19:47,967 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:19:47,967 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:19:47,968 INFO L410 AbstractCegarLoop]: === Iteration 7 === [mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr46REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr42REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION]=== [2019-11-15 22:19:47,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:19:47,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1440900586, now seen corresponding path program 1 times [2019-11-15 22:19:47,970 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:19:47,971 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110224572] [2019-11-15 22:19:47,971 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:19:47,971 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:19:47,971 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:19:47,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:19:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:19:48,073 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 22:19:48,074 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110224572] [2019-11-15 22:19:48,074 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:19:48,074 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 22:19:48,074 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76589619] [2019-11-15 22:19:48,075 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 22:19:48,075 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:19:48,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 22:19:48,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-15 22:19:48,076 INFO L87 Difference]: Start difference. First operand 141 states and 153 transitions. Second operand 6 states. [2019-11-15 22:19:48,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:19:48,610 INFO L93 Difference]: Finished difference Result 187 states and 203 transitions. [2019-11-15 22:19:48,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 22:19:48,611 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2019-11-15 22:19:48,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:19:48,612 INFO L225 Difference]: With dead ends: 187 [2019-11-15 22:19:48,613 INFO L226 Difference]: Without dead ends: 187 [2019-11-15 22:19:48,613 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 22:19:48,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2019-11-15 22:19:48,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 140. [2019-11-15 22:19:48,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-11-15 22:19:48,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 151 transitions. [2019-11-15 22:19:48,620 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 151 transitions. Word has length 19 [2019-11-15 22:19:48,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:19:48,620 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 151 transitions. [2019-11-15 22:19:48,621 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 22:19:48,621 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 151 transitions. [2019-11-15 22:19:48,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-15 22:19:48,622 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:19:48,622 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:19:48,622 INFO L410 AbstractCegarLoop]: === Iteration 8 === [mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr46REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr42REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION]=== [2019-11-15 22:19:48,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:19:48,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1440900585, now seen corresponding path program 1 times [2019-11-15 22:19:48,623 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:19:48,623 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971454180] [2019-11-15 22:19:48,624 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:19:48,624 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:19:48,624 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:19:48,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:19:48,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:19:48,729 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 22:19:48,730 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971454180] [2019-11-15 22:19:48,730 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:19:48,730 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 22:19:48,731 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379081330] [2019-11-15 22:19:48,731 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 22:19:48,731 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:19:48,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 22:19:48,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-15 22:19:48,732 INFO L87 Difference]: Start difference. First operand 140 states and 151 transitions. Second operand 6 states. [2019-11-15 22:19:49,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:19:49,396 INFO L93 Difference]: Finished difference Result 210 states and 227 transitions. [2019-11-15 22:19:49,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 22:19:49,397 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2019-11-15 22:19:49,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:19:49,399 INFO L225 Difference]: With dead ends: 210 [2019-11-15 22:19:49,399 INFO L226 Difference]: Without dead ends: 210 [2019-11-15 22:19:49,399 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-11-15 22:19:49,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2019-11-15 22:19:49,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 139. [2019-11-15 22:19:49,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2019-11-15 22:19:49,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 149 transitions. [2019-11-15 22:19:49,406 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 149 transitions. Word has length 19 [2019-11-15 22:19:49,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:19:49,406 INFO L462 AbstractCegarLoop]: Abstraction has 139 states and 149 transitions. [2019-11-15 22:19:49,406 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 22:19:49,407 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 149 transitions. [2019-11-15 22:19:49,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-15 22:19:49,408 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:19:49,408 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:19:49,408 INFO L410 AbstractCegarLoop]: === Iteration 9 === [mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr46REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr42REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION]=== [2019-11-15 22:19:49,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:19:49,409 INFO L82 PathProgramCache]: Analyzing trace with hash -822327720, now seen corresponding path program 1 times [2019-11-15 22:19:49,409 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:19:49,410 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529185667] [2019-11-15 22:19:49,410 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:19:49,410 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:19:49,410 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:19:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:19:49,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:19:49,562 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 22:19:49,562 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529185667] [2019-11-15 22:19:49,563 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:19:49,563 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-15 22:19:49,563 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920962018] [2019-11-15 22:19:49,563 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-15 22:19:49,564 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:19:49,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-15 22:19:49,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-15 22:19:49,564 INFO L87 Difference]: Start difference. First operand 139 states and 149 transitions. Second operand 10 states. [2019-11-15 22:19:50,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:19:50,393 INFO L93 Difference]: Finished difference Result 151 states and 161 transitions. [2019-11-15 22:19:50,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-15 22:19:50,393 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2019-11-15 22:19:50,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:19:50,395 INFO L225 Difference]: With dead ends: 151 [2019-11-15 22:19:50,395 INFO L226 Difference]: Without dead ends: 151 [2019-11-15 22:19:50,396 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2019-11-15 22:19:50,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2019-11-15 22:19:50,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 138. [2019-11-15 22:19:50,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-11-15 22:19:50,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 148 transitions. [2019-11-15 22:19:50,401 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 148 transitions. Word has length 23 [2019-11-15 22:19:50,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:19:50,401 INFO L462 AbstractCegarLoop]: Abstraction has 138 states and 148 transitions. [2019-11-15 22:19:50,401 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-15 22:19:50,402 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 148 transitions. [2019-11-15 22:19:50,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-15 22:19:50,402 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:19:50,403 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:19:50,403 INFO L410 AbstractCegarLoop]: === Iteration 10 === [mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr46REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr42REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION]=== [2019-11-15 22:19:50,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:19:50,403 INFO L82 PathProgramCache]: Analyzing trace with hash -822327719, now seen corresponding path program 1 times [2019-11-15 22:19:50,404 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:19:50,404 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952203796] [2019-11-15 22:19:50,406 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:19:50,406 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:19:50,406 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:19:50,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:19:50,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:19:50,660 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 22:19:50,661 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952203796] [2019-11-15 22:19:50,661 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:19:50,661 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-15 22:19:50,661 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508759786] [2019-11-15 22:19:50,662 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-15 22:19:50,662 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:19:50,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-15 22:19:50,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-11-15 22:19:50,662 INFO L87 Difference]: Start difference. First operand 138 states and 148 transitions. Second operand 11 states. [2019-11-15 22:19:51,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:19:51,963 INFO L93 Difference]: Finished difference Result 162 states and 173 transitions. [2019-11-15 22:19:51,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-15 22:19:51,963 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 23 [2019-11-15 22:19:51,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:19:51,965 INFO L225 Difference]: With dead ends: 162 [2019-11-15 22:19:51,965 INFO L226 Difference]: Without dead ends: 162 [2019-11-15 22:19:51,966 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2019-11-15 22:19:51,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2019-11-15 22:19:51,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 140. [2019-11-15 22:19:51,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-11-15 22:19:51,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 150 transitions. [2019-11-15 22:19:51,972 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 150 transitions. Word has length 23 [2019-11-15 22:19:51,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:19:51,972 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 150 transitions. [2019-11-15 22:19:51,972 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-15 22:19:51,973 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 150 transitions. [2019-11-15 22:19:51,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-15 22:19:51,974 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:19:51,974 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:19:51,975 INFO L410 AbstractCegarLoop]: === Iteration 11 === [mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr46REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr42REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION]=== [2019-11-15 22:19:51,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:19:51,975 INFO L82 PathProgramCache]: Analyzing trace with hash -2135222368, now seen corresponding path program 1 times [2019-11-15 22:19:51,975 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:19:51,976 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819391866] [2019-11-15 22:19:51,976 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:19:51,976 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:19:51,976 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:19:51,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:19:52,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:19:52,067 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 22:19:52,068 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819391866] [2019-11-15 22:19:52,068 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:19:52,068 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 22:19:52,068 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214091219] [2019-11-15 22:19:52,069 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 22:19:52,069 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:19:52,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 22:19:52,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:19:52,070 INFO L87 Difference]: Start difference. First operand 140 states and 150 transitions. Second operand 7 states. [2019-11-15 22:19:52,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:19:52,401 INFO L93 Difference]: Finished difference Result 165 states and 176 transitions. [2019-11-15 22:19:52,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-15 22:19:52,401 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2019-11-15 22:19:52,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:19:52,402 INFO L225 Difference]: With dead ends: 165 [2019-11-15 22:19:52,402 INFO L226 Difference]: Without dead ends: 165 [2019-11-15 22:19:52,403 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2019-11-15 22:19:52,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2019-11-15 22:19:52,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 140. [2019-11-15 22:19:52,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-11-15 22:19:52,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 149 transitions. [2019-11-15 22:19:52,408 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 149 transitions. Word has length 26 [2019-11-15 22:19:52,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:19:52,409 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 149 transitions. [2019-11-15 22:19:52,409 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 22:19:52,409 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 149 transitions. [2019-11-15 22:19:52,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-15 22:19:52,411 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:19:52,412 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:19:52,413 INFO L410 AbstractCegarLoop]: === Iteration 12 === [mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr46REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr42REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION]=== [2019-11-15 22:19:52,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:19:52,413 INFO L82 PathProgramCache]: Analyzing trace with hash -1914041530, now seen corresponding path program 1 times [2019-11-15 22:19:52,414 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:19:52,414 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130124440] [2019-11-15 22:19:52,414 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:19:52,414 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:19:52,414 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:19:52,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:19:52,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:19:52,522 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:19:52,522 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130124440] [2019-11-15 22:19:52,522 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850864930] [2019-11-15 22:19:52,523 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_834ac2d9-80a1-4303-bd76-ea5d26746923/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:19:52,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:19:52,691 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 19 conjunts are in the unsatisfiable core [2019-11-15 22:19:52,698 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:19:52,774 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-15 22:19:52,775 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 22:19:52,792 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:19:52,796 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-15 22:19:52,797 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 22:19:52,803 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:19:52,803 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 22:19:52,804 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:23, output treesize:15 [2019-11-15 22:19:52,828 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2019-11-15 22:19:52,833 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 22:19:52,844 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 22:19:52,851 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 22:19:52,853 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 20 [2019-11-15 22:19:52,853 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 22:19:52,860 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:19:52,860 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 22:19:52,872 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:19:52,877 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2019-11-15 22:19:52,879 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 22:19:52,881 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 22:19:52,884 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 22:19:52,885 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 20 [2019-11-15 22:19:52,886 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-15 22:19:52,890 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:19:52,891 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 22:19:52,899 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:19:52,899 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 22:19:52,899 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:51, output treesize:33 [2019-11-15 22:19:52,956 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 22:19:52,958 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 22:19:52,959 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 22:19:52,961 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 23 [2019-11-15 22:19:52,962 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 22:19:52,979 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:19:52,985 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 22:19:52,987 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 22:19:52,988 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 22:19:52,990 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 23 [2019-11-15 22:19:52,990 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 22:19:53,001 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:19:53,002 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 22:19:53,002 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:71, output treesize:33 [2019-11-15 22:19:53,047 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 22:19:53,048 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 10 [2019-11-15 22:19:53,049 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 22:19:53,057 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:19:53,061 INFO L341 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2019-11-15 22:19:53,061 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 10 [2019-11-15 22:19:53,062 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 22:19:53,066 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:19:53,066 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 22:19:53,067 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:47, output treesize:7 [2019-11-15 22:19:53,072 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:19:53,073 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 22:19:53,073 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2019-11-15 22:19:53,073 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906901640] [2019-11-15 22:19:53,074 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-15 22:19:53,074 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:19:53,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-15 22:19:53,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-15 22:19:53,075 INFO L87 Difference]: Start difference. First operand 140 states and 149 transitions. Second operand 9 states. [2019-11-15 22:19:53,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:19:53,852 INFO L93 Difference]: Finished difference Result 200 states and 213 transitions. [2019-11-15 22:19:53,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-15 22:19:53,854 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 29 [2019-11-15 22:19:53,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:19:53,855 INFO L225 Difference]: With dead ends: 200 [2019-11-15 22:19:53,856 INFO L226 Difference]: Without dead ends: 200 [2019-11-15 22:19:53,856 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 28 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2019-11-15 22:19:53,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2019-11-15 22:19:53,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 154. [2019-11-15 22:19:53,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2019-11-15 22:19:53,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 165 transitions. [2019-11-15 22:19:53,862 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 165 transitions. Word has length 29 [2019-11-15 22:19:53,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:19:53,862 INFO L462 AbstractCegarLoop]: Abstraction has 154 states and 165 transitions. [2019-11-15 22:19:53,862 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-15 22:19:53,862 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 165 transitions. [2019-11-15 22:19:53,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-15 22:19:53,864 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:19:53,864 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:19:54,068 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:19:54,069 INFO L410 AbstractCegarLoop]: === Iteration 13 === [mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr46REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr42REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION]=== [2019-11-15 22:19:54,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:19:54,069 INFO L82 PathProgramCache]: Analyzing trace with hash 949776129, now seen corresponding path program 1 times [2019-11-15 22:19:54,069 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:19:54,069 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290054845] [2019-11-15 22:19:54,069 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:19:54,070 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:19:54,070 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:19:54,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:19:54,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:19:54,166 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 22:19:54,166 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290054845] [2019-11-15 22:19:54,166 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:19:54,167 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 22:19:54,167 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009716807] [2019-11-15 22:19:54,167 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 22:19:54,167 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:19:54,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 22:19:54,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-15 22:19:54,168 INFO L87 Difference]: Start difference. First operand 154 states and 165 transitions. Second operand 6 states. [2019-11-15 22:19:54,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:19:54,655 INFO L93 Difference]: Finished difference Result 222 states and 239 transitions. [2019-11-15 22:19:54,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 22:19:54,655 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2019-11-15 22:19:54,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:19:54,657 INFO L225 Difference]: With dead ends: 222 [2019-11-15 22:19:54,657 INFO L226 Difference]: Without dead ends: 222 [2019-11-15 22:19:54,658 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 22:19:54,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2019-11-15 22:19:54,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 153. [2019-11-15 22:19:54,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2019-11-15 22:19:54,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 164 transitions. [2019-11-15 22:19:54,664 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 164 transitions. Word has length 30 [2019-11-15 22:19:54,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:19:54,664 INFO L462 AbstractCegarLoop]: Abstraction has 153 states and 164 transitions. [2019-11-15 22:19:54,664 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 22:19:54,664 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 164 transitions. [2019-11-15 22:19:54,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-15 22:19:54,665 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:19:54,665 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:19:54,666 INFO L410 AbstractCegarLoop]: === Iteration 14 === [mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr46REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr42REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION]=== [2019-11-15 22:19:54,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:19:54,666 INFO L82 PathProgramCache]: Analyzing trace with hash 949776130, now seen corresponding path program 1 times [2019-11-15 22:19:54,666 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:19:54,667 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969709702] [2019-11-15 22:19:54,667 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:19:54,667 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:19:54,667 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:19:54,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:19:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:19:54,786 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 22:19:54,786 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969709702] [2019-11-15 22:19:54,787 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:19:54,787 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 22:19:54,787 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909644706] [2019-11-15 22:19:54,787 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 22:19:54,788 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:19:54,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 22:19:54,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-15 22:19:54,788 INFO L87 Difference]: Start difference. First operand 153 states and 164 transitions. Second operand 6 states. [2019-11-15 22:19:55,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:19:55,386 INFO L93 Difference]: Finished difference Result 245 states and 264 transitions. [2019-11-15 22:19:55,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 22:19:55,386 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2019-11-15 22:19:55,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:19:55,388 INFO L225 Difference]: With dead ends: 245 [2019-11-15 22:19:55,388 INFO L226 Difference]: Without dead ends: 245 [2019-11-15 22:19:55,388 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-11-15 22:19:55,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2019-11-15 22:19:55,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 152. [2019-11-15 22:19:55,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-11-15 22:19:55,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 163 transitions. [2019-11-15 22:19:55,394 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 163 transitions. Word has length 30 [2019-11-15 22:19:55,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:19:55,395 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 163 transitions. [2019-11-15 22:19:55,395 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 22:19:55,395 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 163 transitions. [2019-11-15 22:19:55,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-15 22:19:55,396 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:19:55,396 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:19:55,397 INFO L410 AbstractCegarLoop]: === Iteration 15 === [mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr46REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr42REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION]=== [2019-11-15 22:19:55,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:19:55,397 INFO L82 PathProgramCache]: Analyzing trace with hash -389978990, now seen corresponding path program 1 times [2019-11-15 22:19:55,398 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:19:55,398 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287450611] [2019-11-15 22:19:55,398 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:19:55,398 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:19:55,398 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:19:55,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:19:55,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:19:55,521 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 22:19:55,521 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287450611] [2019-11-15 22:19:55,522 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:19:55,522 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 22:19:55,522 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308384691] [2019-11-15 22:19:55,522 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 22:19:55,522 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:19:55,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 22:19:55,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-15 22:19:55,523 INFO L87 Difference]: Start difference. First operand 152 states and 163 transitions. Second operand 6 states. [2019-11-15 22:19:55,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:19:55,833 INFO L93 Difference]: Finished difference Result 155 states and 164 transitions. [2019-11-15 22:19:55,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 22:19:55,833 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2019-11-15 22:19:55,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:19:55,835 INFO L225 Difference]: With dead ends: 155 [2019-11-15 22:19:55,835 INFO L226 Difference]: Without dead ends: 155 [2019-11-15 22:19:55,835 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:19:55,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2019-11-15 22:19:55,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 151. [2019-11-15 22:19:55,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2019-11-15 22:19:55,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 160 transitions. [2019-11-15 22:19:55,841 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 160 transitions. Word has length 30 [2019-11-15 22:19:55,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:19:55,841 INFO L462 AbstractCegarLoop]: Abstraction has 151 states and 160 transitions. [2019-11-15 22:19:55,841 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 22:19:55,841 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 160 transitions. [2019-11-15 22:19:55,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-15 22:19:55,843 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:19:55,843 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:19:55,843 INFO L410 AbstractCegarLoop]: === Iteration 16 === [mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr46REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr42REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION]=== [2019-11-15 22:19:55,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:19:55,844 INFO L82 PathProgramCache]: Analyzing trace with hash -1147902364, now seen corresponding path program 1 times [2019-11-15 22:19:55,844 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:19:55,844 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492862515] [2019-11-15 22:19:55,845 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:19:55,845 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:19:55,845 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:19:55,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:19:55,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:19:55,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 22:19:55,942 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492862515] [2019-11-15 22:19:55,942 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:19:55,942 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 22:19:55,943 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894179703] [2019-11-15 22:19:55,943 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 22:19:55,943 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:19:55,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 22:19:55,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:19:55,944 INFO L87 Difference]: Start difference. First operand 151 states and 160 transitions. Second operand 7 states. [2019-11-15 22:19:56,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:19:56,402 INFO L93 Difference]: Finished difference Result 168 states and 176 transitions. [2019-11-15 22:19:56,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-15 22:19:56,403 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2019-11-15 22:19:56,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:19:56,404 INFO L225 Difference]: With dead ends: 168 [2019-11-15 22:19:56,404 INFO L226 Difference]: Without dead ends: 168 [2019-11-15 22:19:56,405 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2019-11-15 22:19:56,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2019-11-15 22:19:56,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 151. [2019-11-15 22:19:56,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2019-11-15 22:19:56,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 159 transitions. [2019-11-15 22:19:56,410 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 159 transitions. Word has length 31 [2019-11-15 22:19:56,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:19:56,410 INFO L462 AbstractCegarLoop]: Abstraction has 151 states and 159 transitions. [2019-11-15 22:19:56,410 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 22:19:56,410 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 159 transitions. [2019-11-15 22:19:56,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-15 22:19:56,411 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:19:56,411 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:19:56,412 INFO L410 AbstractCegarLoop]: === Iteration 17 === [mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr46REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr42REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION]=== [2019-11-15 22:19:56,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:19:56,412 INFO L82 PathProgramCache]: Analyzing trace with hash -1494301373, now seen corresponding path program 1 times [2019-11-15 22:19:56,418 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:19:56,420 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530004672] [2019-11-15 22:19:56,421 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:19:56,422 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:19:56,422 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:19:56,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:19:56,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:19:56,702 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 22:19:56,703 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530004672] [2019-11-15 22:19:56,703 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:19:56,703 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-11-15 22:19:56,703 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77111518] [2019-11-15 22:19:56,703 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-15 22:19:56,703 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:19:56,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-15 22:19:56,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-11-15 22:19:56,704 INFO L87 Difference]: Start difference. First operand 151 states and 159 transitions. Second operand 13 states. [2019-11-15 22:19:57,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:19:57,720 INFO L93 Difference]: Finished difference Result 150 states and 158 transitions. [2019-11-15 22:19:57,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-15 22:19:57,721 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 34 [2019-11-15 22:19:57,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:19:57,722 INFO L225 Difference]: With dead ends: 150 [2019-11-15 22:19:57,722 INFO L226 Difference]: Without dead ends: 150 [2019-11-15 22:19:57,722 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=120, Invalid=386, Unknown=0, NotChecked=0, Total=506 [2019-11-15 22:19:57,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-11-15 22:19:57,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2019-11-15 22:19:57,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-11-15 22:19:57,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 158 transitions. [2019-11-15 22:19:57,729 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 158 transitions. Word has length 34 [2019-11-15 22:19:57,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:19:57,729 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 158 transitions. [2019-11-15 22:19:57,729 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-15 22:19:57,729 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 158 transitions. [2019-11-15 22:19:57,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-15 22:19:57,731 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:19:57,731 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:19:57,732 INFO L410 AbstractCegarLoop]: === Iteration 18 === [mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr46REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr42REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION]=== [2019-11-15 22:19:57,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:19:57,733 INFO L82 PathProgramCache]: Analyzing trace with hash -1494301372, now seen corresponding path program 1 times [2019-11-15 22:19:57,733 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:19:57,733 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270907221] [2019-11-15 22:19:57,733 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:19:57,734 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:19:57,734 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:19:57,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:19:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:19:58,019 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 22:19:58,020 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270907221] [2019-11-15 22:19:58,020 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:19:58,020 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-11-15 22:19:58,021 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064658131] [2019-11-15 22:19:58,021 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-15 22:19:58,021 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:19:58,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-15 22:19:58,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2019-11-15 22:19:58,022 INFO L87 Difference]: Start difference. First operand 150 states and 158 transitions. Second operand 14 states. [2019-11-15 22:19:59,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:19:59,068 INFO L93 Difference]: Finished difference Result 145 states and 153 transitions. [2019-11-15 22:19:59,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-15 22:19:59,068 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 34 [2019-11-15 22:19:59,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:19:59,070 INFO L225 Difference]: With dead ends: 145 [2019-11-15 22:19:59,070 INFO L226 Difference]: Without dead ends: 145 [2019-11-15 22:19:59,070 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=147, Invalid=555, Unknown=0, NotChecked=0, Total=702 [2019-11-15 22:19:59,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2019-11-15 22:19:59,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 128. [2019-11-15 22:19:59,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-11-15 22:19:59,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 135 transitions. [2019-11-15 22:19:59,075 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 135 transitions. Word has length 34 [2019-11-15 22:19:59,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:19:59,075 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 135 transitions. [2019-11-15 22:19:59,075 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-15 22:19:59,075 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 135 transitions. [2019-11-15 22:19:59,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-15 22:19:59,076 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:19:59,076 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:19:59,077 INFO L410 AbstractCegarLoop]: === Iteration 19 === [mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr46REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr42REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION]=== [2019-11-15 22:19:59,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:19:59,078 INFO L82 PathProgramCache]: Analyzing trace with hash -1797067187, now seen corresponding path program 1 times [2019-11-15 22:19:59,078 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:19:59,078 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196776157] [2019-11-15 22:19:59,078 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:19:59,079 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:19:59,079 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:19:59,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:19:59,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:19:59,195 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:19:59,195 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196776157] [2019-11-15 22:19:59,195 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1662056550] [2019-11-15 22:19:59,195 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_834ac2d9-80a1-4303-bd76-ea5d26746923/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:19:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:19:59,324 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-15 22:19:59,326 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:19:59,345 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 22:19:59,345 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 22:19:59,345 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 10 [2019-11-15 22:19:59,346 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639357886] [2019-11-15 22:19:59,346 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 22:19:59,346 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:19:59,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 22:19:59,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2019-11-15 22:19:59,347 INFO L87 Difference]: Start difference. First operand 128 states and 135 transitions. Second operand 3 states. [2019-11-15 22:19:59,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:19:59,389 INFO L93 Difference]: Finished difference Result 130 states and 137 transitions. [2019-11-15 22:19:59,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 22:19:59,390 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2019-11-15 22:19:59,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:19:59,391 INFO L225 Difference]: With dead ends: 130 [2019-11-15 22:19:59,391 INFO L226 Difference]: Without dead ends: 130 [2019-11-15 22:19:59,391 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2019-11-15 22:19:59,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2019-11-15 22:19:59,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2019-11-15 22:19:59,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-11-15 22:19:59,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 137 transitions. [2019-11-15 22:19:59,396 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 137 transitions. Word has length 35 [2019-11-15 22:19:59,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:19:59,396 INFO L462 AbstractCegarLoop]: Abstraction has 130 states and 137 transitions. [2019-11-15 22:19:59,396 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 22:19:59,397 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 137 transitions. [2019-11-15 22:19:59,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-15 22:19:59,397 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:19:59,398 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:19:59,601 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:19:59,601 INFO L410 AbstractCegarLoop]: === Iteration 20 === [mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr46REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr42REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION]=== [2019-11-15 22:19:59,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:19:59,602 INFO L82 PathProgramCache]: Analyzing trace with hash -404704496, now seen corresponding path program 1 times [2019-11-15 22:19:59,602 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:19:59,602 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879259282] [2019-11-15 22:19:59,602 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:19:59,602 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:19:59,602 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:19:59,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:19:59,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:19:59,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:19:59,724 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879259282] [2019-11-15 22:19:59,724 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [603403856] [2019-11-15 22:19:59,725 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_834ac2d9-80a1-4303-bd76-ea5d26746923/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:19:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:19:59,868 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-15 22:19:59,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:19:59,892 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2019-11-15 22:19:59,893 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 22:19:59,897 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:19:59,898 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 22:19:59,898 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2019-11-15 22:19:59,905 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2019-11-15 22:19:59,906 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 22:19:59,908 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:19:59,908 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 22:19:59,909 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2019-11-15 22:19:59,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 22:19:59,930 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 22:19:59,931 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 10 [2019-11-15 22:19:59,931 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601900143] [2019-11-15 22:19:59,932 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 22:19:59,936 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:19:59,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 22:19:59,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-15 22:19:59,940 INFO L87 Difference]: Start difference. First operand 130 states and 137 transitions. Second operand 4 states. [2019-11-15 22:20:00,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:20:00,067 INFO L93 Difference]: Finished difference Result 139 states and 146 transitions. [2019-11-15 22:20:00,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 22:20:00,067 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2019-11-15 22:20:00,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:20:00,068 INFO L225 Difference]: With dead ends: 139 [2019-11-15 22:20:00,069 INFO L226 Difference]: Without dead ends: 139 [2019-11-15 22:20:00,069 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2019-11-15 22:20:00,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2019-11-15 22:20:00,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 133. [2019-11-15 22:20:00,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-11-15 22:20:00,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 140 transitions. [2019-11-15 22:20:00,073 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 140 transitions. Word has length 37 [2019-11-15 22:20:00,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:20:00,075 INFO L462 AbstractCegarLoop]: Abstraction has 133 states and 140 transitions. [2019-11-15 22:20:00,075 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 22:20:00,075 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 140 transitions. [2019-11-15 22:20:00,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-15 22:20:00,076 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:20:00,077 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:20:00,281 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:20:00,281 INFO L410 AbstractCegarLoop]: === Iteration 21 === [mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr46REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr42REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION]=== [2019-11-15 22:20:00,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:20:00,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1272736266, now seen corresponding path program 1 times [2019-11-15 22:20:00,282 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:20:00,282 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063240379] [2019-11-15 22:20:00,283 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:20:00,283 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:20:00,283 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:20:00,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:20:00,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:20:00,523 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:20:00,523 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063240379] [2019-11-15 22:20:00,523 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1914763617] [2019-11-15 22:20:00,523 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_834ac2d9-80a1-4303-bd76-ea5d26746923/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:20:00,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:20:00,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 29 conjunts are in the unsatisfiable core [2019-11-15 22:20:00,675 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:20:00,690 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-15 22:20:00,690 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 22:20:00,705 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:20:00,706 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 22:20:00,706 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2019-11-15 22:20:00,736 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 22:20:00,737 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2019-11-15 22:20:00,738 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 22:20:00,750 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:20:00,750 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 22:20:00,750 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:20 [2019-11-15 22:20:00,799 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_46|], 6=[|v_#memory_$Pointer$.base_48|]} [2019-11-15 22:20:00,804 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2019-11-15 22:20:00,804 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 22:20:00,818 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:20:00,822 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 22:20:00,824 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 22:20:00,825 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 22:20:00,827 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:20:00,827 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 23 [2019-11-15 22:20:00,828 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 22:20:00,836 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:20:00,837 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 22:20:00,837 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:58, output treesize:20 [2019-11-15 22:20:00,973 INFO L392 ElimStorePlain]: Different costs {0=[|#memory_$Pointer$.offset|], 2=[|#memory_$Pointer$.base|]} [2019-11-15 22:20:00,979 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-11-15 22:20:00,980 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 22:20:00,992 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:20:00,996 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 22:20:00,997 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:20:00,997 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 10 [2019-11-15 22:20:00,998 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 22:20:01,006 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:20:01,006 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 22:20:01,006 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:41, output treesize:10 [2019-11-15 22:20:01,112 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:20:01,113 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 22:20:01,113 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 16 [2019-11-15 22:20:01,113 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360291667] [2019-11-15 22:20:01,114 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-15 22:20:01,114 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:20:01,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-15 22:20:01,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2019-11-15 22:20:01,114 INFO L87 Difference]: Start difference. First operand 133 states and 140 transitions. Second operand 16 states. [2019-11-15 22:20:01,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:20:01,754 INFO L93 Difference]: Finished difference Result 143 states and 149 transitions. [2019-11-15 22:20:01,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-15 22:20:01,766 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 38 [2019-11-15 22:20:01,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:20:01,767 INFO L225 Difference]: With dead ends: 143 [2019-11-15 22:20:01,767 INFO L226 Difference]: Without dead ends: 143 [2019-11-15 22:20:01,767 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 32 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=104, Invalid=402, Unknown=0, NotChecked=0, Total=506 [2019-11-15 22:20:01,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2019-11-15 22:20:01,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 139. [2019-11-15 22:20:01,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2019-11-15 22:20:01,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 146 transitions. [2019-11-15 22:20:01,772 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 146 transitions. Word has length 38 [2019-11-15 22:20:01,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:20:01,772 INFO L462 AbstractCegarLoop]: Abstraction has 139 states and 146 transitions. [2019-11-15 22:20:01,772 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-15 22:20:01,772 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 146 transitions. [2019-11-15 22:20:01,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-15 22:20:01,773 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:20:01,773 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:20:01,973 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:20:01,974 INFO L410 AbstractCegarLoop]: === Iteration 22 === [mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr46REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr42REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION]=== [2019-11-15 22:20:01,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:20:01,975 INFO L82 PathProgramCache]: Analyzing trace with hash -800118946, now seen corresponding path program 1 times [2019-11-15 22:20:01,975 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:20:01,975 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360487987] [2019-11-15 22:20:01,975 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:20:01,975 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:20:01,975 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:20:01,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:20:02,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:20:02,044 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:20:02,045 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-15 22:20:02,080 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-11-15 22:20:02,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 10:20:02 BoogieIcfgContainer [2019-11-15 22:20:02,129 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 22:20:02,129 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 22:20:02,130 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 22:20:02,130 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 22:20:02,131 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:19:44" (3/4) ... [2019-11-15 22:20:02,135 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 22:20:02,135 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 22:20:02,136 INFO L168 Benchmark]: Toolchain (without parser) took 19961.99 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 286.3 MB). Free memory was 946.2 MB in the beginning and 1.2 GB in the end (delta: -216.5 MB). Peak memory consumption was 69.8 MB. Max. memory is 11.5 GB. [2019-11-15 22:20:02,137 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:20:02,137 INFO L168 Benchmark]: CACSL2BoogieTranslator took 727.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -171.8 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-11-15 22:20:02,138 INFO L168 Benchmark]: Boogie Preprocessor took 107.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-15 22:20:02,138 INFO L168 Benchmark]: RCFGBuilder took 1036.28 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 22:20:02,139 INFO L168 Benchmark]: TraceAbstraction took 18081.22 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 149.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -120.8 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. [2019-11-15 22:20:02,139 INFO L168 Benchmark]: Witness Printer took 5.70 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:20:02,146 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 727.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -171.8 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 107.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1036.28 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. * TraceAbstraction took 18081.22 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 149.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -120.8 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. * Witness Printer took 5.70 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 985]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 985. Possible FailurePath: [L987] struct TSLL* null = malloc(sizeof(struct TSLL)); VAL [malloc(sizeof(struct TSLL))={1:0}, null={1:0}] [L988] null->next = ((void*)0) VAL [malloc(sizeof(struct TSLL))={1:0}, null={1:0}] [L989] null->prev = ((void*)0) VAL [malloc(sizeof(struct TSLL))={1:0}, null={1:0}] [L990] null->colour = BLACK VAL [malloc(sizeof(struct TSLL))={1:0}, null={1:0}] [L992] struct TSLL* list = malloc(sizeof(struct TSLL)); VAL [list={3:0}, malloc(sizeof(struct TSLL))={1:0}, malloc(sizeof(struct TSLL))={3:0}, null={1:0}] [L993] list->next = null VAL [list={3:0}, malloc(sizeof(struct TSLL))={1:0}, malloc(sizeof(struct TSLL))={3:0}, null={1:0}] [L994] list->prev = null VAL [list={3:0}, malloc(sizeof(struct TSLL))={1:0}, malloc(sizeof(struct TSLL))={3:0}, null={1:0}] [L995] list->colour = BLACK VAL [list={3:0}, malloc(sizeof(struct TSLL))={1:0}, malloc(sizeof(struct TSLL))={3:0}, null={1:0}] [L997] struct TSLL* end = list; VAL [end={3:0}, list={3:0}, malloc(sizeof(struct TSLL))={1:0}, malloc(sizeof(struct TSLL))={3:0}, null={1:0}] [L1000] COND FALSE !(__VERIFIER_nondet_int()) [L1026] end = null [L1027] end = list VAL [end={3:0}, list={3:0}, malloc(sizeof(struct TSLL))={1:0}, malloc(sizeof(struct TSLL))={3:0}, null={1:0}] [L1030] COND FALSE !(!(null != end)) VAL [end={3:0}, list={3:0}, malloc(sizeof(struct TSLL))={1:0}, malloc(sizeof(struct TSLL))={3:0}, null={1:0}] [L1031] EXPR end->colour VAL [end={3:0}, end->colour=1, list={3:0}, malloc(sizeof(struct TSLL))={1:0}, malloc(sizeof(struct TSLL))={3:0}, null={1:0}] [L1031] COND FALSE !(!(BLACK == end->colour)) [L1032] COND TRUE null != end VAL [end={3:0}, list={3:0}, malloc(sizeof(struct TSLL))={1:0}, malloc(sizeof(struct TSLL))={3:0}, null={1:0}] [L1034] EXPR end->colour VAL [end={3:0}, end->colour=1, list={3:0}, malloc(sizeof(struct TSLL))={1:0}, malloc(sizeof(struct TSLL))={3:0}, null={1:0}] [L1034] COND FALSE !(RED == end->colour) [L1041] EXPR end->next VAL [end={3:0}, end->next={1:0}, list={3:0}, malloc(sizeof(struct TSLL))={1:0}, malloc(sizeof(struct TSLL))={3:0}, null={1:0}] [L1041] end = end->next [L1032] COND FALSE !(null != end) VAL [end={1:0}, list={3:0}, malloc(sizeof(struct TSLL))={1:0}, malloc(sizeof(struct TSLL))={3:0}, null={1:0}] [L1045] COND TRUE null != list VAL [end={1:0}, list={3:0}, malloc(sizeof(struct TSLL))={1:0}, malloc(sizeof(struct TSLL))={3:0}, null={1:0}] [L1047] EXPR list->colour VAL [end={1:0}, list={3:0}, list->colour=1, malloc(sizeof(struct TSLL))={1:0}, malloc(sizeof(struct TSLL))={3:0}, null={1:0}] [L1047] COND FALSE !(RED == list->colour) [L1056] EXPR list->next VAL [end={1:0}, list={3:0}, list->next={1:0}, malloc(sizeof(struct TSLL))={1:0}, malloc(sizeof(struct TSLL))={3:0}, null={1:0}] [L1056] end = list->next [L1057] free(list) VAL [end={1:0}, list={3:0}, malloc(sizeof(struct TSLL))={1:0}, malloc(sizeof(struct TSLL))={3:0}, null={1:0}] [L1057] free(list) VAL [end={1:0}, list={3:0}, malloc(sizeof(struct TSLL))={1:0}, malloc(sizeof(struct TSLL))={3:0}, null={1:0}] [L1057] free(list) [L1058] list = end VAL [end={1:0}, list={1:0}, malloc(sizeof(struct TSLL))={1:0}, malloc(sizeof(struct TSLL))={3:0}, null={1:0}] [L1045] COND FALSE !(null != list) VAL [end={1:0}, list={1:0}, malloc(sizeof(struct TSLL))={1:0}, malloc(sizeof(struct TSLL))={3:0}, null={1:0}] [L1062] return 0; VAL [\result=0, end={1:0}, list={1:0}, malloc(sizeof(struct TSLL))={1:0}, malloc(sizeof(struct TSLL))={3:0}, null={1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 155 locations, 70 error locations. Result: UNSAFE, OverallTime: 18.0s, OverallIterations: 22, TraceHistogramMax: 2, AutomataDifference: 12.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1832 SDtfs, 2891 SDslu, 3504 SDs, 0 SdLazy, 8162 SolverSat, 273 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 392 GetRequests, 188 SyntacticMatches, 8 SemanticMatches, 196 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 21 MinimizatonAttempts, 522 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 686 NumberOfCodeBlocks, 686 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 622 ConstructedInterpolants, 0 QuantifiedInterpolants, 134825 SizeOfPredicates, 27 NumberOfNonLiveVariables, 656 ConjunctsInSsa, 56 ConjunctsInUnsatCore, 25 InterpolantComputations, 19 PerfectInterpolantSequences, 7/15 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-11-15 22:20:04,600 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:20:04,604 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:20:04,617 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:20:04,619 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:20:04,621 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:20:04,624 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:20:04,627 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:20:04,629 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:20:04,630 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:20:04,631 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:20:04,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:20:04,633 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:20:04,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:20:04,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:20:04,636 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:20:04,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:20:04,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:20:04,644 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:20:04,648 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:20:04,650 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:20:04,651 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:20:04,652 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:20:04,653 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:20:04,659 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:20:04,660 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:20:04,660 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:20:04,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:20:04,663 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:20:04,665 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:20:04,665 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:20:04,666 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:20:04,667 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:20:04,668 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:20:04,672 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:20:04,673 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:20:04,673 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:20:04,673 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:20:04,674 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:20:04,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:20:04,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:20:04,676 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_834ac2d9-80a1-4303-bd76-ea5d26746923/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-15 22:20:04,691 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:20:04,692 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:20:04,693 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:20:04,700 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:20:04,701 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:20:04,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:20:04,701 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:20:04,702 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 22:20:04,702 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:20:04,702 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:20:04,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:20:04,703 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-15 22:20:04,703 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-15 22:20:04,703 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-15 22:20:04,704 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 22:20:04,705 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-15 22:20:04,705 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-15 22:20:04,705 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:20:04,705 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:20:04,706 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:20:04,706 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:20:04,708 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 22:20:04,708 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 22:20:04,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:20:04,709 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:20:04,709 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 22:20:04,709 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-15 22:20:04,710 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-15 22:20:04,710 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-15 22:20:04,710 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_834ac2d9-80a1-4303-bd76-ea5d26746923/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 -> b9633ec6dc7e01a7231c1be5ed310faef61ba6b0 [2019-11-15 22:20:04,761 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:20:04,774 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:20:04,781 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:20:04,783 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:20:04,788 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:20:04,790 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_834ac2d9-80a1-4303-bd76-ea5d26746923/bin/uautomizer/../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i [2019-11-15 22:20:04,863 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_834ac2d9-80a1-4303-bd76-ea5d26746923/bin/uautomizer/data/971e304ea/d51bf9965ef548be8dd59f35bf6419d7/FLAGc163fcd59 [2019-11-15 22:20:05,423 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:20:05,424 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_834ac2d9-80a1-4303-bd76-ea5d26746923/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i [2019-11-15 22:20:05,438 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_834ac2d9-80a1-4303-bd76-ea5d26746923/bin/uautomizer/data/971e304ea/d51bf9965ef548be8dd59f35bf6419d7/FLAGc163fcd59 [2019-11-15 22:20:05,618 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_834ac2d9-80a1-4303-bd76-ea5d26746923/bin/uautomizer/data/971e304ea/d51bf9965ef548be8dd59f35bf6419d7 [2019-11-15 22:20:05,621 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:20:05,623 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-15 22:20:05,624 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:20:05,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:20:05,629 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:20:05,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:20:05" (1/1) ... [2019-11-15 22:20:05,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b7cb114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:20:05, skipping insertion in model container [2019-11-15 22:20:05,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:20:05" (1/1) ... [2019-11-15 22:20:05,642 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:20:05,723 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:20:06,226 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:20:06,246 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:20:06,303 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:20:06,364 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:20:06,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:20:06 WrapperNode [2019-11-15 22:20:06,365 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:20:06,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:20:06,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:20:06,366 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:20:06,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:20:06" (1/1) ... [2019-11-15 22:20:06,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:20:06" (1/1) ... [2019-11-15 22:20:06,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:20:06" (1/1) ... [2019-11-15 22:20:06,401 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:20:06" (1/1) ... [2019-11-15 22:20:06,428 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:20:06" (1/1) ... [2019-11-15 22:20:06,437 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:20:06" (1/1) ... [2019-11-15 22:20:06,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:20:06" (1/1) ... [2019-11-15 22:20:06,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:20:06,451 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:20:06,451 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:20:06,452 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:20:06,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:20:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_834ac2d9-80a1-4303-bd76-ea5d26746923/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 22:20:06,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-15 22:20:06,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:20:06,513 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-15 22:20:06,513 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-15 22:20:06,513 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-15 22:20:06,513 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-15 22:20:06,514 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-15 22:20:06,514 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-15 22:20:06,514 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-15 22:20:06,514 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-15 22:20:06,515 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-15 22:20:06,515 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-15 22:20:06,515 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-15 22:20:06,515 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-15 22:20:06,515 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-15 22:20:06,516 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-15 22:20:06,516 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-15 22:20:06,516 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-15 22:20:06,516 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-15 22:20:06,516 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-15 22:20:06,517 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-15 22:20:06,517 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-15 22:20:06,517 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-15 22:20:06,517 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-15 22:20:06,517 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-15 22:20:06,517 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-15 22:20:06,518 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-15 22:20:06,518 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-15 22:20:06,518 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-15 22:20:06,518 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-15 22:20:06,518 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-15 22:20:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-15 22:20:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-15 22:20:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-15 22:20:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-15 22:20:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-15 22:20:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-15 22:20:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-15 22:20:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-15 22:20:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-15 22:20:06,520 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-15 22:20:06,520 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-15 22:20:06,520 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-15 22:20:06,520 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-15 22:20:06,520 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-15 22:20:06,520 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-15 22:20:06,522 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-15 22:20:06,522 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-15 22:20:06,523 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-15 22:20:06,523 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-15 22:20:06,523 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-15 22:20:06,523 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-15 22:20:06,523 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-15 22:20:06,524 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-15 22:20:06,524 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-15 22:20:06,524 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-15 22:20:06,524 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-15 22:20:06,525 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-11-15 22:20:06,525 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-15 22:20:06,525 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-15 22:20:06,525 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-15 22:20:06,525 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-15 22:20:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-15 22:20:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-15 22:20:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-15 22:20:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-15 22:20:06,527 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-15 22:20:06,527 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-15 22:20:06,527 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-15 22:20:06,527 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-15 22:20:06,527 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-15 22:20:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-15 22:20:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-15 22:20:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-15 22:20:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-15 22:20:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-15 22:20:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-15 22:20:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-15 22:20:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-15 22:20:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-15 22:20:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-15 22:20:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-15 22:20:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-15 22:20:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-15 22:20:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-15 22:20:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-15 22:20:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-15 22:20:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-15 22:20:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-15 22:20:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-15 22:20:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-15 22:20:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-15 22:20:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-15 22:20:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-15 22:20:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-15 22:20:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-15 22:20:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-15 22:20:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-15 22:20:06,534 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-15 22:20:06,534 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-15 22:20:06,534 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-15 22:20:06,534 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-15 22:20:06,534 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-15 22:20:06,535 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-15 22:20:06,535 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-15 22:20:06,535 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-15 22:20:06,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-15 22:20:06,536 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-15 22:20:06,536 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-15 22:20:06,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-15 22:20:06,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-15 22:20:06,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-15 22:20:06,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-15 22:20:06,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-15 22:20:06,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 22:20:06,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-15 22:20:06,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:20:07,832 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:20:07,833 INFO L284 CfgBuilder]: Removed 17 assume(true) statements. [2019-11-15 22:20:07,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:20:07 BoogieIcfgContainer [2019-11-15 22:20:07,834 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:20:07,836 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 22:20:07,836 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 22:20:07,839 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 22:20:07,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:20:05" (1/3) ... [2019-11-15 22:20:07,841 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b996421 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:20:07, skipping insertion in model container [2019-11-15 22:20:07,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:20:06" (2/3) ... [2019-11-15 22:20:07,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b996421 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:20:07, skipping insertion in model container [2019-11-15 22:20:07,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:20:07" (3/3) ... [2019-11-15 22:20:07,847 INFO L109 eAbstractionObserver]: Analyzing ICFG dll-rb-sentinel-1.i [2019-11-15 22:20:07,859 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 22:20:07,874 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 70 error locations. [2019-11-15 22:20:07,886 INFO L249 AbstractCegarLoop]: Starting to check reachability of 70 error locations. [2019-11-15 22:20:07,913 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 22:20:07,913 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-15 22:20:07,914 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 22:20:07,914 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:20:07,914 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:20:07,915 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 22:20:07,916 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:20:07,916 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 22:20:07,952 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2019-11-15 22:20:07,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-15 22:20:07,962 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:20:07,963 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:20:07,965 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr67ASSERT_VIOLATIONMEMORY_FREE, mainErr38REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr40REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr46REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr66ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr69ENSURES_VIOLATIONMEMORY_LEAK, mainErr35REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr56ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION]=== [2019-11-15 22:20:07,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:20:07,970 INFO L82 PathProgramCache]: Analyzing trace with hash 543179012, now seen corresponding path program 1 times [2019-11-15 22:20:07,981 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 22:20:07,981 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1543264247] [2019-11-15 22:20:07,981 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_834ac2d9-80a1-4303-bd76-ea5d26746923/bin/uautomizer/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 22:20:08,203 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 22:20:08,204 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort C_DOUBLE not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:223) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableFunctionSymbol.defineOrDeclare(DeclarableFunctionSymbol.java:160) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:143) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:168) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferSymbols(SmtFunctionsAndAxioms.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleTraceCheck.createExternalManagedScript(IpTcStrategyModuleTraceCheck.java:81) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCvc4.constructManagedScript(IpTcStrategyModuleCvc4.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.checkFeasibility(TraceAbstractionRefinementEngine.java:244) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-15 22:20:08,210 INFO L168 Benchmark]: Toolchain (without parser) took 2586.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -65.9 MB). Peak memory consumption was 58.9 MB. Max. memory is 11.5 GB. [2019-11-15 22:20:08,211 INFO L168 Benchmark]: CDTParser took 0.77 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:20:08,212 INFO L168 Benchmark]: CACSL2BoogieTranslator took 741.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -158.0 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. [2019-11-15 22:20:08,213 INFO L168 Benchmark]: Boogie Preprocessor took 85.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-15 22:20:08,215 INFO L168 Benchmark]: RCFGBuilder took 1383.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.0 MB). Peak memory consumption was 72.0 MB. Max. memory is 11.5 GB. [2019-11-15 22:20:08,216 INFO L168 Benchmark]: TraceAbstraction took 372.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2019-11-15 22:20:08,230 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 741.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -158.0 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 85.32 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 1383.34 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: 72.0 MB). Peak memory consumption was 72.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 372.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Sort C_DOUBLE not declared de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Sort C_DOUBLE not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...