./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-2.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/working_dir_f24f90da-ff3a-4774-92cd-7a99b14ff422/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f24f90da-ff3a-4774-92cd-7a99b14ff422/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f24f90da-ff3a-4774-92cd-7a99b14ff422/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f24f90da-ff3a-4774-92cd-7a99b14ff422/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-2.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f24f90da-ff3a-4774-92cd-7a99b14ff422/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f24f90da-ff3a-4774-92cd-7a99b14ff422/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 75d2739bd782575ec6c25559f2b36c2d3e75b585 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/working_dir_f24f90da-ff3a-4774-92cd-7a99b14ff422/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f24f90da-ff3a-4774-92cd-7a99b14ff422/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f24f90da-ff3a-4774-92cd-7a99b14ff422/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f24f90da-ff3a-4774-92cd-7a99b14ff422/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-2.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f24f90da-ff3a-4774-92cd-7a99b14ff422/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f24f90da-ff3a-4774-92cd-7a99b14ff422/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 75d2739bd782575ec6c25559f2b36c2d3e75b585 ...................................................................................................................................................................................................................................................................................................................................................................... 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 [2019-10-22 09:02:02,133 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:02:02,135 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:02:02,146 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:02:02,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:02:02,147 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:02:02,148 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:02:02,150 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:02:02,151 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:02:02,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:02:02,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:02:02,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:02:02,154 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:02:02,155 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:02:02,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:02:02,157 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:02:02,158 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:02:02,158 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:02:02,160 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:02:02,162 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:02:02,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:02:02,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:02:02,165 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:02:02,166 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:02:02,168 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:02:02,169 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:02:02,169 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:02:02,170 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:02:02,170 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:02:02,171 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:02:02,171 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:02:02,172 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:02:02,173 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:02:02,173 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:02:02,174 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:02:02,174 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:02:02,175 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:02:02,175 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:02:02,176 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:02:02,176 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:02:02,177 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:02:02,178 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f24f90da-ff3a-4774-92cd-7a99b14ff422/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-10-22 09:02:02,190 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:02:02,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:02:02,191 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:02:02,191 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:02:02,191 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:02:02,192 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:02:02,192 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:02:02,192 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 09:02:02,192 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:02:02,193 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:02:02,193 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:02:02,193 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 09:02:02,193 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 09:02:02,193 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 09:02:02,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:02:02,194 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:02:02,194 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:02:02,194 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:02:02,194 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:02:02,195 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:02:02,195 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:02:02,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:02:02,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:02:02,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:02:02,196 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:02:02,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:02:02,197 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/working_dir_f24f90da-ff3a-4774-92cd-7a99b14ff422/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 -> 75d2739bd782575ec6c25559f2b36c2d3e75b585 [2019-10-22 09:02:02,224 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:02:02,235 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:02:02,238 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:02:02,239 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:02:02,239 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:02:02,240 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f24f90da-ff3a-4774-92cd-7a99b14ff422/bin/uautomizer/../../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-2.i [2019-10-22 09:02:02,290 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f24f90da-ff3a-4774-92cd-7a99b14ff422/bin/uautomizer/data/6c4a68afe/354941e061794aff9258d156cf03afa8/FLAG04d09f761 [2019-10-22 09:02:02,746 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:02:02,746 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f24f90da-ff3a-4774-92cd-7a99b14ff422/sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-2.i [2019-10-22 09:02:02,762 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f24f90da-ff3a-4774-92cd-7a99b14ff422/bin/uautomizer/data/6c4a68afe/354941e061794aff9258d156cf03afa8/FLAG04d09f761 [2019-10-22 09:02:03,267 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f24f90da-ff3a-4774-92cd-7a99b14ff422/bin/uautomizer/data/6c4a68afe/354941e061794aff9258d156cf03afa8 [2019-10-22 09:02:03,269 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:02:03,270 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-10-22 09:02:03,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:03,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:02:03,275 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:02:03,276 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:03" (1/1) ... [2019-10-22 09:02:03,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42348576 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:03, skipping insertion in model container [2019-10-22 09:02:03,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:03" (1/1) ... [2019-10-22 09:02:03,286 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:02:03,321 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:02:03,764 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:03,772 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:02:03,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:03,872 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:02:03,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:03 WrapperNode [2019-10-22 09:02:03,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:03,873 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:02:03,873 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:02:03,874 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:02:03,889 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:03" (1/1) ... [2019-10-22 09:02:03,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:03" (1/1) ... [2019-10-22 09:02:03,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:03" (1/1) ... [2019-10-22 09:02:03,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:03" (1/1) ... [2019-10-22 09:02:03,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:03" (1/1) ... [2019-10-22 09:02:03,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:03" (1/1) ... [2019-10-22 09:02:03,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:03" (1/1) ... [2019-10-22 09:02:03,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:02:03,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:02:03,946 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:02:03,946 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:02:03,947 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f24f90da-ff3a-4774-92cd-7a99b14ff422/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 [2019-10-22 09:02:03,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-22 09:02:03,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:02:03,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-22 09:02:03,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-22 09:02:04,001 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-10-22 09:02:04,001 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-10-22 09:02:04,001 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_length [2019-10-22 09:02:04,001 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2019-10-22 09:02:04,003 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_insert [2019-10-22 09:02:04,003 INFO L138 BoogieDeclarations]: Found implementation of procedure _get_nondet_int [2019-10-22 09:02:04,003 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-22 09:02:04,003 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-22 09:02:04,003 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-22 09:02:04,004 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-22 09:02:04,004 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-22 09:02:04,004 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-22 09:02:04,004 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-22 09:02:04,004 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-22 09:02:04,004 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-22 09:02:04,004 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-22 09:02:04,005 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-22 09:02:04,005 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-22 09:02:04,005 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-22 09:02:04,005 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-22 09:02:04,005 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-22 09:02:04,005 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-22 09:02:04,005 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-22 09:02:04,005 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-22 09:02:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-22 09:02:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-22 09:02:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-22 09:02:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-22 09:02:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-22 09:02:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-22 09:02:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-22 09:02:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-22 09:02:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-22 09:02:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-22 09:02:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-22 09:02:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-22 09:02:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-22 09:02:04,008 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-22 09:02:04,008 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-22 09:02:04,008 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-22 09:02:04,008 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-22 09:02:04,008 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-22 09:02:04,009 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-22 09:02:04,009 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-22 09:02:04,009 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-22 09:02:04,009 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-22 09:02:04,009 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-22 09:02:04,009 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-22 09:02:04,009 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-22 09:02:04,009 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-22 09:02:04,009 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-22 09:02:04,009 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-22 09:02:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-22 09:02:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-22 09:02:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-22 09:02:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-22 09:02:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-22 09:02:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-22 09:02:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-22 09:02:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-22 09:02:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-22 09:02:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-22 09:02:04,011 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-22 09:02:04,011 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-22 09:02:04,011 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-22 09:02:04,011 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-22 09:02:04,011 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-22 09:02:04,013 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-22 09:02:04,013 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-22 09:02:04,014 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-22 09:02:04,014 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-22 09:02:04,014 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-22 09:02:04,014 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-22 09:02:04,015 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-22 09:02:04,015 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-22 09:02:04,015 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-22 09:02:04,015 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-22 09:02:04,015 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-22 09:02:04,015 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-22 09:02:04,015 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-22 09:02:04,016 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-22 09:02:04,016 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-22 09:02:04,016 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-22 09:02:04,016 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-22 09:02:04,016 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-22 09:02:04,016 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-22 09:02:04,016 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-22 09:02:04,016 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-22 09:02:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-22 09:02:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-22 09:02:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-22 09:02:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-22 09:02:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-22 09:02:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-22 09:02:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-22 09:02:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-22 09:02:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-22 09:02:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-22 09:02:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-22 09:02:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-22 09:02:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-22 09:02:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-22 09:02:04,019 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-22 09:02:04,019 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-22 09:02:04,019 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-22 09:02:04,019 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-22 09:02:04,019 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-22 09:02:04,023 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-22 09:02:04,023 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-22 09:02:04,023 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-22 09:02:04,024 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-22 09:02:04,024 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-22 09:02:04,024 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-22 09:02:04,025 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-22 09:02:04,025 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-10-22 09:02:04,025 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-10-22 09:02:04,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 09:02:04,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 09:02:04,025 INFO L130 BoogieDeclarations]: Found specification of procedure sll_length [2019-10-22 09:02:04,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 09:02:04,026 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2019-10-22 09:02:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 09:02:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure sll_insert [2019-10-22 09:02:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure _get_nondet_int [2019-10-22 09:02:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-22 09:02:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:02:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-22 09:02:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-22 09:02:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:02:04,293 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-10-22 09:02:04,617 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:02:04,623 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-10-22 09:02:04,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:04 BoogieIcfgContainer [2019-10-22 09:02:04,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:02:04,626 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:02:04,627 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:02:04,630 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:02:04,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:02:03" (1/3) ... [2019-10-22 09:02:04,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e70f236 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:02:04, skipping insertion in model container [2019-10-22 09:02:04,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:03" (2/3) ... [2019-10-22 09:02:04,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e70f236 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:02:04, skipping insertion in model container [2019-10-22 09:02:04,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:04" (3/3) ... [2019-10-22 09:02:04,635 INFO L109 eAbstractionObserver]: Analyzing ICFG sll_nondet_insert-2.i [2019-10-22 09:02:04,646 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:02:04,655 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 24 error locations. [2019-10-22 09:02:04,668 INFO L249 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2019-10-22 09:02:04,695 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:02:04,695 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 09:02:04,695 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:02:04,695 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:02:04,696 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:02:04,696 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:02:04,696 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:02:04,696 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:02:04,717 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states. [2019-10-22 09:02:04,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 09:02:04,730 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:04,731 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:04,734 INFO L410 AbstractCegarLoop]: === Iteration 1 === [sll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr1REQUIRES_VIOLATION, sll_destroyErr0REQUIRES_VIOLATION, sll_destroyErr4ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE, sll_createErr1REQUIRES_VIOLATION, sll_createErr0REQUIRES_VIOLATION, sll_insertErr5REQUIRES_VIOLATION, sll_insertErr0REQUIRES_VIOLATION, sll_insertErr6REQUIRES_VIOLATION, sll_insertErr1REQUIRES_VIOLATION, sll_insertErr2REQUIRES_VIOLATION, sll_insertErr7REQUIRES_VIOLATION, sll_insertErr8REQUIRES_VIOLATION, sll_insertErr3REQUIRES_VIOLATION, sll_insertErr4REQUIRES_VIOLATION, sll_insertErr9REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, sll_lengthErr1REQUIRES_VIOLATION, sll_lengthErr0REQUIRES_VIOLATION]=== [2019-10-22 09:02:04,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:04,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1730495525, now seen corresponding path program 1 times [2019-10-22 09:02:04,750 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:04,750 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143457899] [2019-10-22 09:02:04,751 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:04,752 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:04,752 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:04,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:04,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:04,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:04,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:04,962 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143457899] [2019-10-22 09:02:04,963 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:04,964 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:02:04,965 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411962973] [2019-10-22 09:02:04,970 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:02:04,970 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:04,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:02:04,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:02:04,988 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 3 states. [2019-10-22 09:02:05,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:05,225 INFO L93 Difference]: Finished difference Result 121 states and 134 transitions. [2019-10-22 09:02:05,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:02:05,227 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-10-22 09:02:05,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:05,242 INFO L225 Difference]: With dead ends: 121 [2019-10-22 09:02:05,245 INFO L226 Difference]: Without dead ends: 113 [2019-10-22 09:02:05,247 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:02:05,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-10-22 09:02:05,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 95. [2019-10-22 09:02:05,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-10-22 09:02:05,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 104 transitions. [2019-10-22 09:02:05,318 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 104 transitions. Word has length 18 [2019-10-22 09:02:05,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:05,319 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 104 transitions. [2019-10-22 09:02:05,320 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:02:05,320 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 104 transitions. [2019-10-22 09:02:05,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 09:02:05,322 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:05,322 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] [2019-10-22 09:02:05,323 INFO L410 AbstractCegarLoop]: === Iteration 2 === [sll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr1REQUIRES_VIOLATION, sll_destroyErr0REQUIRES_VIOLATION, sll_destroyErr4ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE, sll_createErr1REQUIRES_VIOLATION, sll_createErr0REQUIRES_VIOLATION, sll_insertErr5REQUIRES_VIOLATION, sll_insertErr0REQUIRES_VIOLATION, sll_insertErr6REQUIRES_VIOLATION, sll_insertErr1REQUIRES_VIOLATION, sll_insertErr2REQUIRES_VIOLATION, sll_insertErr7REQUIRES_VIOLATION, sll_insertErr8REQUIRES_VIOLATION, sll_insertErr3REQUIRES_VIOLATION, sll_insertErr4REQUIRES_VIOLATION, sll_insertErr9REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, sll_lengthErr1REQUIRES_VIOLATION, sll_lengthErr0REQUIRES_VIOLATION]=== [2019-10-22 09:02:05,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:05,323 INFO L82 PathProgramCache]: Analyzing trace with hash -994568588, now seen corresponding path program 1 times [2019-10-22 09:02:05,323 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:05,324 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069843979] [2019-10-22 09:02:05,324 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:05,324 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:05,324 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:05,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:05,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:05,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:05,457 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069843979] [2019-10-22 09:02:05,458 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:05,458 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:02:05,458 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782343662] [2019-10-22 09:02:05,460 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:02:05,460 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:05,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:02:05,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:02:05,461 INFO L87 Difference]: Start difference. First operand 95 states and 104 transitions. Second operand 4 states. [2019-10-22 09:02:05,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:05,782 INFO L93 Difference]: Finished difference Result 112 states and 123 transitions. [2019-10-22 09:02:05,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:02:05,783 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2019-10-22 09:02:05,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:05,785 INFO L225 Difference]: With dead ends: 112 [2019-10-22 09:02:05,785 INFO L226 Difference]: Without dead ends: 112 [2019-10-22 09:02:05,785 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:02:05,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-10-22 09:02:05,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 94. [2019-10-22 09:02:05,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2019-10-22 09:02:05,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 103 transitions. [2019-10-22 09:02:05,802 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 103 transitions. Word has length 20 [2019-10-22 09:02:05,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:05,804 INFO L462 AbstractCegarLoop]: Abstraction has 94 states and 103 transitions. [2019-10-22 09:02:05,804 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:02:05,804 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 103 transitions. [2019-10-22 09:02:05,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 09:02:05,805 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:05,805 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] [2019-10-22 09:02:05,805 INFO L410 AbstractCegarLoop]: === Iteration 3 === [sll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr1REQUIRES_VIOLATION, sll_destroyErr0REQUIRES_VIOLATION, sll_destroyErr4ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE, sll_createErr1REQUIRES_VIOLATION, sll_createErr0REQUIRES_VIOLATION, sll_insertErr5REQUIRES_VIOLATION, sll_insertErr0REQUIRES_VIOLATION, sll_insertErr6REQUIRES_VIOLATION, sll_insertErr1REQUIRES_VIOLATION, sll_insertErr2REQUIRES_VIOLATION, sll_insertErr7REQUIRES_VIOLATION, sll_insertErr8REQUIRES_VIOLATION, sll_insertErr3REQUIRES_VIOLATION, sll_insertErr4REQUIRES_VIOLATION, sll_insertErr9REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, sll_lengthErr1REQUIRES_VIOLATION, sll_lengthErr0REQUIRES_VIOLATION]=== [2019-10-22 09:02:05,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:05,806 INFO L82 PathProgramCache]: Analyzing trace with hash -994568587, now seen corresponding path program 1 times [2019-10-22 09:02:05,806 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:05,806 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314782567] [2019-10-22 09:02:05,806 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:05,806 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:05,807 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:05,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:05,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:05,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:05,927 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314782567] [2019-10-22 09:02:05,938 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:05,938 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:02:05,938 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075913820] [2019-10-22 09:02:05,939 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:02:05,939 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:05,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:02:05,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:02:05,940 INFO L87 Difference]: Start difference. First operand 94 states and 103 transitions. Second operand 4 states. [2019-10-22 09:02:06,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:06,241 INFO L93 Difference]: Finished difference Result 111 states and 122 transitions. [2019-10-22 09:02:06,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:02:06,241 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2019-10-22 09:02:06,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:06,243 INFO L225 Difference]: With dead ends: 111 [2019-10-22 09:02:06,243 INFO L226 Difference]: Without dead ends: 111 [2019-10-22 09:02:06,244 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:02:06,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-10-22 09:02:06,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 93. [2019-10-22 09:02:06,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2019-10-22 09:02:06,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 102 transitions. [2019-10-22 09:02:06,261 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 102 transitions. Word has length 20 [2019-10-22 09:02:06,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:06,262 INFO L462 AbstractCegarLoop]: Abstraction has 93 states and 102 transitions. [2019-10-22 09:02:06,262 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:02:06,262 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 102 transitions. [2019-10-22 09:02:06,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 09:02:06,263 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:06,266 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:06,267 INFO L410 AbstractCegarLoop]: === Iteration 4 === [sll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr1REQUIRES_VIOLATION, sll_destroyErr0REQUIRES_VIOLATION, sll_destroyErr4ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE, sll_createErr1REQUIRES_VIOLATION, sll_createErr0REQUIRES_VIOLATION, sll_insertErr5REQUIRES_VIOLATION, sll_insertErr0REQUIRES_VIOLATION, sll_insertErr6REQUIRES_VIOLATION, sll_insertErr1REQUIRES_VIOLATION, sll_insertErr2REQUIRES_VIOLATION, sll_insertErr7REQUIRES_VIOLATION, sll_insertErr8REQUIRES_VIOLATION, sll_insertErr3REQUIRES_VIOLATION, sll_insertErr4REQUIRES_VIOLATION, sll_insertErr9REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, sll_lengthErr1REQUIRES_VIOLATION, sll_lengthErr0REQUIRES_VIOLATION]=== [2019-10-22 09:02:06,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:06,267 INFO L82 PathProgramCache]: Analyzing trace with hash -1313530835, now seen corresponding path program 1 times [2019-10-22 09:02:06,268 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:06,268 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062321948] [2019-10-22 09:02:06,268 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:06,268 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:06,268 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:06,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:06,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:06,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:06,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:06,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:06,451 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-22 09:02:06,451 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062321948] [2019-10-22 09:02:06,451 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:06,452 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:02:06,452 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460750728] [2019-10-22 09:02:06,453 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 09:02:06,454 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:06,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:02:06,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:02:06,455 INFO L87 Difference]: Start difference. First operand 93 states and 102 transitions. Second operand 6 states. [2019-10-22 09:02:06,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:06,837 INFO L93 Difference]: Finished difference Result 120 states and 135 transitions. [2019-10-22 09:02:06,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:02:06,838 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-10-22 09:02:06,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:06,839 INFO L225 Difference]: With dead ends: 120 [2019-10-22 09:02:06,839 INFO L226 Difference]: Without dead ends: 120 [2019-10-22 09:02:06,839 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-10-22 09:02:06,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-10-22 09:02:06,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 102. [2019-10-22 09:02:06,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2019-10-22 09:02:06,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 115 transitions. [2019-10-22 09:02:06,849 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 115 transitions. Word has length 33 [2019-10-22 09:02:06,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:06,849 INFO L462 AbstractCegarLoop]: Abstraction has 102 states and 115 transitions. [2019-10-22 09:02:06,849 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 09:02:06,849 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 115 transitions. [2019-10-22 09:02:06,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 09:02:06,850 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:06,850 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:06,851 INFO L410 AbstractCegarLoop]: === Iteration 5 === [sll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr1REQUIRES_VIOLATION, sll_destroyErr0REQUIRES_VIOLATION, sll_destroyErr4ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE, sll_createErr1REQUIRES_VIOLATION, sll_createErr0REQUIRES_VIOLATION, sll_insertErr5REQUIRES_VIOLATION, sll_insertErr0REQUIRES_VIOLATION, sll_insertErr6REQUIRES_VIOLATION, sll_insertErr1REQUIRES_VIOLATION, sll_insertErr2REQUIRES_VIOLATION, sll_insertErr7REQUIRES_VIOLATION, sll_insertErr8REQUIRES_VIOLATION, sll_insertErr3REQUIRES_VIOLATION, sll_insertErr4REQUIRES_VIOLATION, sll_insertErr9REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, sll_lengthErr1REQUIRES_VIOLATION, sll_lengthErr0REQUIRES_VIOLATION]=== [2019-10-22 09:02:06,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:06,851 INFO L82 PathProgramCache]: Analyzing trace with hash -1313530834, now seen corresponding path program 1 times [2019-10-22 09:02:06,852 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:06,852 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12053784] [2019-10-22 09:02:06,852 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:06,852 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:06,852 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:06,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:06,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:06,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:07,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:07,043 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 09:02:07,043 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12053784] [2019-10-22 09:02:07,046 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44795017] [2019-10-22 09:02:07,046 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f24f90da-ff3a-4774-92cd-7a99b14ff422/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 [2019-10-22 09:02:07,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:07,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 10 conjunts are in the unsatisfiable core [2019-10-22 09:02:07,165 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:02:07,280 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:07,280 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 09:02:07,280 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 15 [2019-10-22 09:02:07,281 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200915562] [2019-10-22 09:02:07,281 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 09:02:07,281 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:07,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 09:02:07,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2019-10-22 09:02:07,282 INFO L87 Difference]: Start difference. First operand 102 states and 115 transitions. Second operand 9 states. [2019-10-22 09:02:07,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:07,383 INFO L93 Difference]: Finished difference Result 97 states and 106 transitions. [2019-10-22 09:02:07,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 09:02:07,384 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 33 [2019-10-22 09:02:07,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:07,385 INFO L225 Difference]: With dead ends: 97 [2019-10-22 09:02:07,385 INFO L226 Difference]: Without dead ends: 94 [2019-10-22 09:02:07,386 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2019-10-22 09:02:07,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2019-10-22 09:02:07,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2019-10-22 09:02:07,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2019-10-22 09:02:07,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 103 transitions. [2019-10-22 09:02:07,401 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 103 transitions. Word has length 33 [2019-10-22 09:02:07,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:07,401 INFO L462 AbstractCegarLoop]: Abstraction has 94 states and 103 transitions. [2019-10-22 09:02:07,401 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 09:02:07,401 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 103 transitions. [2019-10-22 09:02:07,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-22 09:02:07,402 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:07,402 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 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] [2019-10-22 09:02:07,603 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:02:07,603 INFO L410 AbstractCegarLoop]: === Iteration 6 === [sll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr1REQUIRES_VIOLATION, sll_destroyErr0REQUIRES_VIOLATION, sll_destroyErr4ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE, sll_createErr1REQUIRES_VIOLATION, sll_createErr0REQUIRES_VIOLATION, sll_insertErr5REQUIRES_VIOLATION, sll_insertErr0REQUIRES_VIOLATION, sll_insertErr6REQUIRES_VIOLATION, sll_insertErr1REQUIRES_VIOLATION, sll_insertErr2REQUIRES_VIOLATION, sll_insertErr7REQUIRES_VIOLATION, sll_insertErr8REQUIRES_VIOLATION, sll_insertErr3REQUIRES_VIOLATION, sll_insertErr4REQUIRES_VIOLATION, sll_insertErr9REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, sll_lengthErr1REQUIRES_VIOLATION, sll_lengthErr0REQUIRES_VIOLATION]=== [2019-10-22 09:02:07,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:07,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1958722437, now seen corresponding path program 1 times [2019-10-22 09:02:07,604 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:07,604 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256086905] [2019-10-22 09:02:07,604 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:07,604 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:07,604 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:07,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:07,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:07,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:07,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:07,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:08,006 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 09:02:08,007 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256086905] [2019-10-22 09:02:08,007 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1925331343] [2019-10-22 09:02:08,007 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f24f90da-ff3a-4774-92cd-7a99b14ff422/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 [2019-10-22 09:02:08,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:08,107 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 12 conjunts are in the unsatisfiable core [2019-10-22 09:02:08,109 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:02:08,199 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:08,199 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 09:02:08,199 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 10] total 21 [2019-10-22 09:02:08,199 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904313758] [2019-10-22 09:02:08,200 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-10-22 09:02:08,200 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:08,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-10-22 09:02:08,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=373, Unknown=0, NotChecked=0, Total=420 [2019-10-22 09:02:08,201 INFO L87 Difference]: Start difference. First operand 94 states and 103 transitions. Second operand 21 states. [2019-10-22 09:02:09,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:09,596 INFO L93 Difference]: Finished difference Result 137 states and 157 transitions. [2019-10-22 09:02:09,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-10-22 09:02:09,596 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 38 [2019-10-22 09:02:09,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:09,598 INFO L225 Difference]: With dead ends: 137 [2019-10-22 09:02:09,598 INFO L226 Difference]: Without dead ends: 134 [2019-10-22 09:02:09,599 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=219, Invalid=1113, Unknown=0, NotChecked=0, Total=1332 [2019-10-22 09:02:09,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-10-22 09:02:09,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 106. [2019-10-22 09:02:09,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-10-22 09:02:09,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 117 transitions. [2019-10-22 09:02:09,607 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 117 transitions. Word has length 38 [2019-10-22 09:02:09,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:09,607 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 117 transitions. [2019-10-22 09:02:09,608 INFO L463 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-10-22 09:02:09,608 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 117 transitions. [2019-10-22 09:02:09,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-22 09:02:09,609 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:09,609 INFO L380 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:09,809 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:02:09,810 INFO L410 AbstractCegarLoop]: === Iteration 7 === [sll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr1REQUIRES_VIOLATION, sll_destroyErr0REQUIRES_VIOLATION, sll_destroyErr4ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE, sll_createErr1REQUIRES_VIOLATION, sll_createErr0REQUIRES_VIOLATION, sll_insertErr5REQUIRES_VIOLATION, sll_insertErr0REQUIRES_VIOLATION, sll_insertErr6REQUIRES_VIOLATION, sll_insertErr1REQUIRES_VIOLATION, sll_insertErr2REQUIRES_VIOLATION, sll_insertErr7REQUIRES_VIOLATION, sll_insertErr8REQUIRES_VIOLATION, sll_insertErr3REQUIRES_VIOLATION, sll_insertErr4REQUIRES_VIOLATION, sll_insertErr9REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, sll_lengthErr1REQUIRES_VIOLATION, sll_lengthErr0REQUIRES_VIOLATION]=== [2019-10-22 09:02:09,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:09,810 INFO L82 PathProgramCache]: Analyzing trace with hash -257232083, now seen corresponding path program 2 times [2019-10-22 09:02:09,810 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:09,810 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723262282] [2019-10-22 09:02:09,811 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:09,811 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:09,811 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:09,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:09,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:09,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:09,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:10,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:10,046 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-22 09:02:10,047 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723262282] [2019-10-22 09:02:10,047 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1486300355] [2019-10-22 09:02:10,047 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f24f90da-ff3a-4774-92cd-7a99b14ff422/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 [2019-10-22 09:02:10,140 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-10-22 09:02:10,140 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-22 09:02:10,141 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-22 09:02:10,143 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:02:10,177 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2019-10-22 09:02:10,177 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:02:10,182 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:10,182 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 09:02:10,183 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-10-22 09:02:10,195 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 5 treesize of output 3 [2019-10-22 09:02:10,196 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:02:10,200 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:10,201 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 09:02:10,201 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:3 [2019-10-22 09:02:10,264 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-22 09:02:10,265 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-22 09:02:10,274 INFO L341 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2019-10-22 09:02:10,275 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 19 [2019-10-22 09:02:10,275 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:02:10,284 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:10,284 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-10-22 09:02:10,285 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:25, output treesize:26 [2019-10-22 09:02:10,379 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:10,379 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 09:02:10,379 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 12 [2019-10-22 09:02:10,379 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411855529] [2019-10-22 09:02:10,386 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-22 09:02:10,386 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:10,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-22 09:02:10,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2019-10-22 09:02:10,387 INFO L87 Difference]: Start difference. First operand 106 states and 117 transitions. Second operand 13 states. [2019-10-22 09:02:11,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:11,354 INFO L93 Difference]: Finished difference Result 207 states and 231 transitions. [2019-10-22 09:02:11,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-22 09:02:11,355 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 43 [2019-10-22 09:02:11,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:11,356 INFO L225 Difference]: With dead ends: 207 [2019-10-22 09:02:11,356 INFO L226 Difference]: Without dead ends: 207 [2019-10-22 09:02:11,357 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 44 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2019-10-22 09:02:11,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2019-10-22 09:02:11,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 152. [2019-10-22 09:02:11,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-10-22 09:02:11,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 183 transitions. [2019-10-22 09:02:11,366 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 183 transitions. Word has length 43 [2019-10-22 09:02:11,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:11,367 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 183 transitions. [2019-10-22 09:02:11,367 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-22 09:02:11,367 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 183 transitions. [2019-10-22 09:02:11,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-22 09:02:11,368 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:11,368 INFO L380 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:11,569 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:02:11,569 INFO L410 AbstractCegarLoop]: === Iteration 8 === [sll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr1REQUIRES_VIOLATION, sll_destroyErr0REQUIRES_VIOLATION, sll_destroyErr4ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE, sll_createErr1REQUIRES_VIOLATION, sll_createErr0REQUIRES_VIOLATION, sll_insertErr5REQUIRES_VIOLATION, sll_insertErr0REQUIRES_VIOLATION, sll_insertErr6REQUIRES_VIOLATION, sll_insertErr1REQUIRES_VIOLATION, sll_insertErr2REQUIRES_VIOLATION, sll_insertErr7REQUIRES_VIOLATION, sll_insertErr8REQUIRES_VIOLATION, sll_insertErr3REQUIRES_VIOLATION, sll_insertErr4REQUIRES_VIOLATION, sll_insertErr9REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, sll_lengthErr1REQUIRES_VIOLATION, sll_lengthErr0REQUIRES_VIOLATION]=== [2019-10-22 09:02:11,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:11,569 INFO L82 PathProgramCache]: Analyzing trace with hash -257232082, now seen corresponding path program 1 times [2019-10-22 09:02:11,569 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:11,570 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372124029] [2019-10-22 09:02:11,570 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:11,570 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:11,570 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:11,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:11,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:11,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:11,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:11,823 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-22 09:02:11,823 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372124029] [2019-10-22 09:02:11,823 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [625782062] [2019-10-22 09:02:11,823 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f24f90da-ff3a-4774-92cd-7a99b14ff422/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 [2019-10-22 09:02:11,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:11,917 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-22 09:02:11,919 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:02:11,935 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2019-10-22 09:02:11,935 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:02:11,941 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:11,941 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 09:02:11,941 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-10-22 09:02:11,951 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 5 treesize of output 3 [2019-10-22 09:02:11,952 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:02:11,956 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:11,957 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 09:02:11,957 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:3 [2019-10-22 09:02:12,019 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-22 09:02:12,020 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-22 09:02:12,032 INFO L341 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2019-10-22 09:02:12,033 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 19 [2019-10-22 09:02:12,034 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:02:12,047 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:12,048 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-10-22 09:02:12,048 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:28, output treesize:29 [2019-10-22 09:02:12,148 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:12,148 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 09:02:12,149 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 12 [2019-10-22 09:02:12,149 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013657103] [2019-10-22 09:02:12,149 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-22 09:02:12,149 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:12,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-22 09:02:12,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2019-10-22 09:02:12,150 INFO L87 Difference]: Start difference. First operand 152 states and 183 transitions. Second operand 13 states. [2019-10-22 09:02:12,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:12,911 INFO L93 Difference]: Finished difference Result 219 states and 242 transitions. [2019-10-22 09:02:12,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-22 09:02:12,916 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 43 [2019-10-22 09:02:12,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:12,918 INFO L225 Difference]: With dead ends: 219 [2019-10-22 09:02:12,918 INFO L226 Difference]: Without dead ends: 219 [2019-10-22 09:02:12,918 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 44 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306 [2019-10-22 09:02:12,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2019-10-22 09:02:12,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 163. [2019-10-22 09:02:12,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2019-10-22 09:02:12,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 196 transitions. [2019-10-22 09:02:12,937 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 196 transitions. Word has length 43 [2019-10-22 09:02:12,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:12,937 INFO L462 AbstractCegarLoop]: Abstraction has 163 states and 196 transitions. [2019-10-22 09:02:12,937 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-22 09:02:12,937 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 196 transitions. [2019-10-22 09:02:12,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-22 09:02:12,938 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:12,938 INFO L380 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-22 09:02:13,139 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:02:13,139 INFO L410 AbstractCegarLoop]: === Iteration 9 === [sll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr1REQUIRES_VIOLATION, sll_destroyErr0REQUIRES_VIOLATION, sll_destroyErr4ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE, sll_createErr1REQUIRES_VIOLATION, sll_createErr0REQUIRES_VIOLATION, sll_insertErr5REQUIRES_VIOLATION, sll_insertErr0REQUIRES_VIOLATION, sll_insertErr6REQUIRES_VIOLATION, sll_insertErr1REQUIRES_VIOLATION, sll_insertErr2REQUIRES_VIOLATION, sll_insertErr7REQUIRES_VIOLATION, sll_insertErr8REQUIRES_VIOLATION, sll_insertErr3REQUIRES_VIOLATION, sll_insertErr4REQUIRES_VIOLATION, sll_insertErr9REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, sll_lengthErr1REQUIRES_VIOLATION, sll_lengthErr0REQUIRES_VIOLATION]=== [2019-10-22 09:02:13,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:13,140 INFO L82 PathProgramCache]: Analyzing trace with hash -289230271, now seen corresponding path program 1 times [2019-10-22 09:02:13,140 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:13,140 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32421165] [2019-10-22 09:02:13,140 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:13,140 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:13,140 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:13,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:13,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:13,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:13,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:13,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:13,266 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 09:02:13,266 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32421165] [2019-10-22 09:02:13,267 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:13,267 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-22 09:02:13,267 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302430108] [2019-10-22 09:02:13,267 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-22 09:02:13,267 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:13,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-22 09:02:13,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2019-10-22 09:02:13,268 INFO L87 Difference]: Start difference. First operand 163 states and 196 transitions. Second operand 12 states. [2019-10-22 09:02:13,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:13,927 INFO L93 Difference]: Finished difference Result 226 states and 277 transitions. [2019-10-22 09:02:13,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-22 09:02:13,930 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 47 [2019-10-22 09:02:13,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:13,931 INFO L225 Difference]: With dead ends: 226 [2019-10-22 09:02:13,932 INFO L226 Difference]: Without dead ends: 226 [2019-10-22 09:02:13,932 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2019-10-22 09:02:13,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2019-10-22 09:02:13,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 187. [2019-10-22 09:02:13,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2019-10-22 09:02:13,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 234 transitions. [2019-10-22 09:02:13,945 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 234 transitions. Word has length 47 [2019-10-22 09:02:13,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:13,945 INFO L462 AbstractCegarLoop]: Abstraction has 187 states and 234 transitions. [2019-10-22 09:02:13,945 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-22 09:02:13,945 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 234 transitions. [2019-10-22 09:02:13,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-22 09:02:13,946 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:13,946 INFO L380 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-22 09:02:13,946 INFO L410 AbstractCegarLoop]: === Iteration 10 === [sll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr1REQUIRES_VIOLATION, sll_destroyErr0REQUIRES_VIOLATION, sll_destroyErr4ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE, sll_createErr1REQUIRES_VIOLATION, sll_createErr0REQUIRES_VIOLATION, sll_insertErr5REQUIRES_VIOLATION, sll_insertErr0REQUIRES_VIOLATION, sll_insertErr6REQUIRES_VIOLATION, sll_insertErr1REQUIRES_VIOLATION, sll_insertErr2REQUIRES_VIOLATION, sll_insertErr7REQUIRES_VIOLATION, sll_insertErr8REQUIRES_VIOLATION, sll_insertErr3REQUIRES_VIOLATION, sll_insertErr4REQUIRES_VIOLATION, sll_insertErr9REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, sll_lengthErr1REQUIRES_VIOLATION, sll_lengthErr0REQUIRES_VIOLATION]=== [2019-10-22 09:02:13,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:13,947 INFO L82 PathProgramCache]: Analyzing trace with hash -289230270, now seen corresponding path program 1 times [2019-10-22 09:02:13,947 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:13,947 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89793043] [2019-10-22 09:02:13,947 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:13,947 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:13,947 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:14,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:14,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:14,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:14,160 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 09:02:14,161 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89793043] [2019-10-22 09:02:14,161 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:14,161 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-22 09:02:14,161 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422431001] [2019-10-22 09:02:14,161 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-22 09:02:14,162 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:14,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-22 09:02:14,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2019-10-22 09:02:14,162 INFO L87 Difference]: Start difference. First operand 187 states and 234 transitions. Second operand 12 states. [2019-10-22 09:02:14,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:14,696 INFO L93 Difference]: Finished difference Result 227 states and 277 transitions. [2019-10-22 09:02:14,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-22 09:02:14,698 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 47 [2019-10-22 09:02:14,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:14,699 INFO L225 Difference]: With dead ends: 227 [2019-10-22 09:02:14,699 INFO L226 Difference]: Without dead ends: 227 [2019-10-22 09:02:14,699 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2019-10-22 09:02:14,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2019-10-22 09:02:14,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 187. [2019-10-22 09:02:14,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2019-10-22 09:02:14,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 232 transitions. [2019-10-22 09:02:14,707 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 232 transitions. Word has length 47 [2019-10-22 09:02:14,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:14,707 INFO L462 AbstractCegarLoop]: Abstraction has 187 states and 232 transitions. [2019-10-22 09:02:14,707 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-22 09:02:14,708 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 232 transitions. [2019-10-22 09:02:14,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-22 09:02:14,708 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:14,709 INFO L380 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:14,709 INFO L410 AbstractCegarLoop]: === Iteration 11 === [sll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr1REQUIRES_VIOLATION, sll_destroyErr0REQUIRES_VIOLATION, sll_destroyErr4ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE, sll_createErr1REQUIRES_VIOLATION, sll_createErr0REQUIRES_VIOLATION, sll_insertErr5REQUIRES_VIOLATION, sll_insertErr0REQUIRES_VIOLATION, sll_insertErr6REQUIRES_VIOLATION, sll_insertErr1REQUIRES_VIOLATION, sll_insertErr2REQUIRES_VIOLATION, sll_insertErr7REQUIRES_VIOLATION, sll_insertErr8REQUIRES_VIOLATION, sll_insertErr3REQUIRES_VIOLATION, sll_insertErr4REQUIRES_VIOLATION, sll_insertErr9REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, sll_lengthErr1REQUIRES_VIOLATION, sll_lengthErr0REQUIRES_VIOLATION]=== [2019-10-22 09:02:14,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:14,709 INFO L82 PathProgramCache]: Analyzing trace with hash 685261957, now seen corresponding path program 3 times [2019-10-22 09:02:14,709 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:14,709 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200990540] [2019-10-22 09:02:14,709 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:14,710 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:14,710 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:14,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:14,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:14,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:14,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:14,858 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 09:02:14,858 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200990540] [2019-10-22 09:02:14,858 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1290119321] [2019-10-22 09:02:14,859 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f24f90da-ff3a-4774-92cd-7a99b14ff422/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:02:14,965 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2019-10-22 09:02:14,965 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-22 09:02:14,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 14 conjunts are in the unsatisfiable core [2019-10-22 09:02:14,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:02:15,040 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:15,041 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 09:02:15,041 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 17 [2019-10-22 09:02:15,041 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355040506] [2019-10-22 09:02:15,041 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-10-22 09:02:15,042 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:15,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-10-22 09:02:15,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2019-10-22 09:02:15,042 INFO L87 Difference]: Start difference. First operand 187 states and 232 transitions. Second operand 17 states. [2019-10-22 09:02:15,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:15,629 INFO L93 Difference]: Finished difference Result 243 states and 312 transitions. [2019-10-22 09:02:15,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-22 09:02:15,630 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 48 [2019-10-22 09:02:15,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:15,632 INFO L225 Difference]: With dead ends: 243 [2019-10-22 09:02:15,632 INFO L226 Difference]: Without dead ends: 243 [2019-10-22 09:02:15,632 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=119, Invalid=637, Unknown=0, NotChecked=0, Total=756 [2019-10-22 09:02:15,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2019-10-22 09:02:15,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 195. [2019-10-22 09:02:15,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2019-10-22 09:02:15,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 245 transitions. [2019-10-22 09:02:15,642 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 245 transitions. Word has length 48 [2019-10-22 09:02:15,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:15,642 INFO L462 AbstractCegarLoop]: Abstraction has 195 states and 245 transitions. [2019-10-22 09:02:15,642 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-10-22 09:02:15,642 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 245 transitions. [2019-10-22 09:02:15,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-22 09:02:15,644 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:15,644 INFO L380 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-22 09:02:15,844 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:02:15,844 INFO L410 AbstractCegarLoop]: === Iteration 12 === [sll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr1REQUIRES_VIOLATION, sll_destroyErr0REQUIRES_VIOLATION, sll_destroyErr4ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE, sll_createErr1REQUIRES_VIOLATION, sll_createErr0REQUIRES_VIOLATION, sll_insertErr5REQUIRES_VIOLATION, sll_insertErr0REQUIRES_VIOLATION, sll_insertErr6REQUIRES_VIOLATION, sll_insertErr1REQUIRES_VIOLATION, sll_insertErr2REQUIRES_VIOLATION, sll_insertErr7REQUIRES_VIOLATION, sll_insertErr8REQUIRES_VIOLATION, sll_insertErr3REQUIRES_VIOLATION, sll_insertErr4REQUIRES_VIOLATION, sll_insertErr9REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, sll_lengthErr1REQUIRES_VIOLATION, sll_lengthErr0REQUIRES_VIOLATION]=== [2019-10-22 09:02:15,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:15,845 INFO L82 PathProgramCache]: Analyzing trace with hash -754593810, now seen corresponding path program 1 times [2019-10-22 09:02:15,845 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:15,845 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315995848] [2019-10-22 09:02:15,845 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:15,845 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:15,845 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:15,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:15,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:15,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:15,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:16,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:16,071 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-22 09:02:16,072 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315995848] [2019-10-22 09:02:16,072 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1453705287] [2019-10-22 09:02:16,073 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f24f90da-ff3a-4774-92cd-7a99b14ff422/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:02:16,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:16,158 INFO L256 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 45 conjunts are in the unsatisfiable core [2019-10-22 09:02:16,159 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:02:16,171 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:16,172 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 12 treesize of output 28 [2019-10-22 09:02:16,172 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:02:16,180 INFO L567 ElimStorePlain]: treesize reduction 14, result has 44.0 percent of original size [2019-10-22 09:02:16,180 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 09:02:16,180 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2019-10-22 09:02:16,212 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 [2019-10-22 09:02:16,212 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:02:16,216 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:16,216 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 09:02:16,217 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:15 [2019-10-22 09:02:16,399 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 25 treesize of output 17 [2019-10-22 09:02:16,400 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:02:16,405 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:16,406 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-10-22 09:02:16,406 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:41, output treesize:30 [2019-10-22 09:02:16,535 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:16,535 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 29 [2019-10-22 09:02:16,536 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:02:16,538 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:02:16,538 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-22 09:02:16,551 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:16,552 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:02:16,552 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2019-10-22 09:02:16,552 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:34, output treesize:23 [2019-10-22 09:02:16,552 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:02:16,575 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:16,575 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 09:02:16,577 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 26 [2019-10-22 09:02:16,578 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897431206] [2019-10-22 09:02:16,578 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-10-22 09:02:16,578 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:16,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-10-22 09:02:16,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2019-10-22 09:02:16,579 INFO L87 Difference]: Start difference. First operand 195 states and 245 transitions. Second operand 27 states. [2019-10-22 09:02:17,849 WARN L191 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-10-22 09:02:18,146 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-10-22 09:02:18,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:18,799 INFO L93 Difference]: Finished difference Result 321 states and 393 transitions. [2019-10-22 09:02:18,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-10-22 09:02:18,800 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 50 [2019-10-22 09:02:18,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:18,801 INFO L225 Difference]: With dead ends: 321 [2019-10-22 09:02:18,801 INFO L226 Difference]: Without dead ends: 321 [2019-10-22 09:02:18,802 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 48 SyntacticMatches, 2 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=236, Invalid=1570, Unknown=0, NotChecked=0, Total=1806 [2019-10-22 09:02:18,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2019-10-22 09:02:18,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 224. [2019-10-22 09:02:18,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2019-10-22 09:02:18,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 283 transitions. [2019-10-22 09:02:18,810 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 283 transitions. Word has length 50 [2019-10-22 09:02:18,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:18,810 INFO L462 AbstractCegarLoop]: Abstraction has 224 states and 283 transitions. [2019-10-22 09:02:18,810 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-10-22 09:02:18,811 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 283 transitions. [2019-10-22 09:02:18,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-22 09:02:18,811 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:18,812 INFO L380 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-22 09:02:19,012 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:02:19,012 INFO L410 AbstractCegarLoop]: === Iteration 13 === [sll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr1REQUIRES_VIOLATION, sll_destroyErr0REQUIRES_VIOLATION, sll_destroyErr4ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE, sll_createErr1REQUIRES_VIOLATION, sll_createErr0REQUIRES_VIOLATION, sll_insertErr5REQUIRES_VIOLATION, sll_insertErr0REQUIRES_VIOLATION, sll_insertErr6REQUIRES_VIOLATION, sll_insertErr1REQUIRES_VIOLATION, sll_insertErr2REQUIRES_VIOLATION, sll_insertErr7REQUIRES_VIOLATION, sll_insertErr8REQUIRES_VIOLATION, sll_insertErr3REQUIRES_VIOLATION, sll_insertErr4REQUIRES_VIOLATION, sll_insertErr9REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, sll_lengthErr1REQUIRES_VIOLATION, sll_lengthErr0REQUIRES_VIOLATION]=== [2019-10-22 09:02:19,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:19,013 INFO L82 PathProgramCache]: Analyzing trace with hash -754593809, now seen corresponding path program 1 times [2019-10-22 09:02:19,013 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:19,013 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941071619] [2019-10-22 09:02:19,013 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:19,013 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:19,013 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:19,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:19,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:19,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:19,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:19,320 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-22 09:02:19,320 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941071619] [2019-10-22 09:02:19,320 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1934226921] [2019-10-22 09:02:19,320 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f24f90da-ff3a-4774-92cd-7a99b14ff422/bin/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:02:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:19,410 INFO L256 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 53 conjunts are in the unsatisfiable core [2019-10-22 09:02:19,412 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:02:19,425 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2019-10-22 09:02:19,425 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:02:19,434 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:19,434 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 09:02:19,434 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-10-22 09:02:19,481 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:19,481 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 12 treesize of output 28 [2019-10-22 09:02:19,481 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:02:19,494 INFO L567 ElimStorePlain]: treesize reduction 14, result has 50.0 percent of original size [2019-10-22 09:02:19,494 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 09:02:19,495 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-10-22 09:02:19,523 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 [2019-10-22 09:02:19,523 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:02:19,531 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:19,540 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 [2019-10-22 09:02:19,540 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 09:02:19,547 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:19,547 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 09:02:19,547 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:33, output treesize:22 [2019-10-22 09:02:19,958 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:19,958 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 72 treesize of output 55 [2019-10-22 09:02:19,958 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:02:19,959 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:02:19,960 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-22 09:02:19,971 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:20,172 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:02:20,173 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.UnsupportedOperationException: expected NNF at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:307) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:184) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:174) 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) Caused by: java.lang.UnsupportedOperationException: expected NNF at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:236) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive$TermWalker.walk(NonRecursive.java:139) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:195) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder.(ArrayOccurrenceAnalysis.java:181) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis.(ArrayOccurrenceAnalysis.java:74) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:275) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) 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.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:299) ... 21 more [2019-10-22 09:02:20,178 INFO L168 Benchmark]: Toolchain (without parser) took 16908.10 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 281.5 MB). Free memory was 940.7 MB in the beginning and 1.0 GB in the end (delta: -66.0 MB). Peak memory consumption was 215.5 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:20,178 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:20,179 INFO L168 Benchmark]: CACSL2BoogieTranslator took 601.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -162.8 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:20,179 INFO L168 Benchmark]: Boogie Preprocessor took 72.02 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. [2019-10-22 09:02:20,179 INFO L168 Benchmark]: RCFGBuilder took 679.11 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: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:20,180 INFO L168 Benchmark]: TraceAbstraction took 15551.05 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 160.4 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 31.4 MB). Peak memory consumption was 191.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:20,181 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 601.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -162.8 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 72.02 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 679.11 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: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15551.05 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 160.4 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 31.4 MB). Peak memory consumption was 191.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.UnsupportedOperationException: expected NNF de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.UnsupportedOperationException: expected NNF: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:307) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 09:02:22,305 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:02:22,307 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:02:22,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:02:22,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:02:22,318 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:02:22,319 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:02:22,321 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:02:22,322 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:02:22,323 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:02:22,324 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:02:22,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:02:22,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:02:22,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:02:22,326 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:02:22,327 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:02:22,328 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:02:22,329 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:02:22,330 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:02:22,332 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:02:22,333 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:02:22,334 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:02:22,335 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:02:22,336 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:02:22,338 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:02:22,338 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:02:22,338 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:02:22,339 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:02:22,339 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:02:22,340 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:02:22,340 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:02:22,341 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:02:22,342 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:02:22,342 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:02:22,343 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:02:22,343 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:02:22,344 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:02:22,344 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:02:22,344 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:02:22,345 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:02:22,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:02:22,346 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f24f90da-ff3a-4774-92cd-7a99b14ff422/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-10-22 09:02:22,357 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:02:22,357 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:02:22,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:02:22,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:02:22,358 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:02:22,358 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:02:22,358 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:02:22,359 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 09:02:22,359 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:02:22,359 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:02:22,359 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:02:22,359 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 09:02:22,360 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 09:02:22,360 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 09:02:22,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:02:22,360 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 09:02:22,360 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 09:02:22,360 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:02:22,360 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:02:22,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:02:22,361 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:02:22,361 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:02:22,361 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:02:22,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:02:22,361 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:02:22,362 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:02:22,362 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-10-22 09:02:22,362 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 09:02:22,362 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 09:02:22,362 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/working_dir_f24f90da-ff3a-4774-92cd-7a99b14ff422/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 -> 75d2739bd782575ec6c25559f2b36c2d3e75b585 [2019-10-22 09:02:22,389 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:02:22,399 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:02:22,403 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:02:22,404 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:02:22,405 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:02:22,405 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f24f90da-ff3a-4774-92cd-7a99b14ff422/bin/uautomizer/../../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-2.i [2019-10-22 09:02:22,459 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f24f90da-ff3a-4774-92cd-7a99b14ff422/bin/uautomizer/data/c0a2212dc/3d34d1254ba24574afecbe3d50367aef/FLAGfc6442e57 [2019-10-22 09:02:22,910 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:02:22,911 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f24f90da-ff3a-4774-92cd-7a99b14ff422/sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-2.i [2019-10-22 09:02:22,921 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f24f90da-ff3a-4774-92cd-7a99b14ff422/bin/uautomizer/data/c0a2212dc/3d34d1254ba24574afecbe3d50367aef/FLAGfc6442e57 [2019-10-22 09:02:23,232 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f24f90da-ff3a-4774-92cd-7a99b14ff422/bin/uautomizer/data/c0a2212dc/3d34d1254ba24574afecbe3d50367aef [2019-10-22 09:02:23,235 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:02:23,237 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-10-22 09:02:23,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:23,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:02:23,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:02:23,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:23" (1/1) ... [2019-10-22 09:02:23,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61085902 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:23, skipping insertion in model container [2019-10-22 09:02:23,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:23" (1/1) ... [2019-10-22 09:02:23,255 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:02:23,298 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:02:23,590 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:23,664 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:02:23,744 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:23,793 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:02:23,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:23 WrapperNode [2019-10-22 09:02:23,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:23,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:02:23,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:02:23,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:02:23,807 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:23" (1/1) ... [2019-10-22 09:02:23,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:23" (1/1) ... [2019-10-22 09:02:23,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:23" (1/1) ... [2019-10-22 09:02:23,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:23" (1/1) ... [2019-10-22 09:02:23,845 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:23" (1/1) ... [2019-10-22 09:02:23,859 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:23" (1/1) ... [2019-10-22 09:02:23,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:23" (1/1) ... [2019-10-22 09:02:23,868 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:02:23,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:02:23,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:02:23,869 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:02:23,877 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f24f90da-ff3a-4774-92cd-7a99b14ff422/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 [2019-10-22 09:02:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-22 09:02:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:02:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-22 09:02:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-22 09:02:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-10-22 09:02:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-10-22 09:02:23,939 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_length [2019-10-22 09:02:23,939 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2019-10-22 09:02:23,939 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_insert [2019-10-22 09:02:23,939 INFO L138 BoogieDeclarations]: Found implementation of procedure _get_nondet_int [2019-10-22 09:02:23,939 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-22 09:02:23,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-22 09:02:23,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-22 09:02:23,940 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-22 09:02:23,940 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-22 09:02:23,940 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-22 09:02:23,940 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-22 09:02:23,941 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-22 09:02:23,941 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-22 09:02:23,941 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-22 09:02:23,941 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-22 09:02:23,941 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-22 09:02:23,941 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-22 09:02:23,941 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-22 09:02:23,942 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-22 09:02:23,942 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-22 09:02:23,942 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-22 09:02:23,942 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-22 09:02:23,942 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-22 09:02:23,942 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-22 09:02:23,942 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-22 09:02:23,943 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-22 09:02:23,943 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-22 09:02:23,943 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-22 09:02:23,943 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-22 09:02:23,943 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-22 09:02:23,944 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-22 09:02:23,944 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-22 09:02:23,944 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-22 09:02:23,944 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-22 09:02:23,945 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-22 09:02:23,945 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-22 09:02:23,945 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-22 09:02:23,945 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-22 09:02:23,945 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-22 09:02:23,945 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-22 09:02:23,946 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-22 09:02:23,946 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-22 09:02:23,946 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-22 09:02:23,946 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-22 09:02:23,946 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-22 09:02:23,946 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-22 09:02:23,946 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-22 09:02:23,947 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-22 09:02:23,947 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-22 09:02:23,947 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-22 09:02:23,947 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-22 09:02:23,947 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-22 09:02:23,947 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-22 09:02:23,948 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-22 09:02:23,948 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-22 09:02:23,948 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-22 09:02:23,948 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-22 09:02:23,948 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-22 09:02:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-22 09:02:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-22 09:02:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-22 09:02:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-22 09:02:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-22 09:02:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-22 09:02:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-22 09:02:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-22 09:02:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-22 09:02:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-22 09:02:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-22 09:02:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-22 09:02:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-22 09:02:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-22 09:02:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-22 09:02:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-22 09:02:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-22 09:02:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-22 09:02:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-22 09:02:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-22 09:02:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-22 09:02:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-22 09:02:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-22 09:02:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-22 09:02:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-22 09:02:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-22 09:02:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-22 09:02:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-22 09:02:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-22 09:02:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-22 09:02:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-22 09:02:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-22 09:02:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-22 09:02:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-22 09:02:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-22 09:02:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-22 09:02:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-22 09:02:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-22 09:02:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-22 09:02:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-22 09:02:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-22 09:02:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-22 09:02:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-22 09:02:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-22 09:02:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-22 09:02:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-22 09:02:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-22 09:02:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-22 09:02:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-22 09:02:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-22 09:02:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-22 09:02:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-22 09:02:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-22 09:02:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-22 09:02:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-10-22 09:02:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-10-22 09:02:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 09:02:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 09:02:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure sll_length [2019-10-22 09:02:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 09:02:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2019-10-22 09:02:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 09:02:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure sll_insert [2019-10-22 09:02:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure _get_nondet_int [2019-10-22 09:02:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-22 09:02:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:02:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-22 09:02:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-22 09:02:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:02:24,364 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-10-22 09:02:24,719 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:02:24,719 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-10-22 09:02:24,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:24 BoogieIcfgContainer [2019-10-22 09:02:24,721 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:02:24,722 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:02:24,722 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:02:24,725 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:02:24,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:02:23" (1/3) ... [2019-10-22 09:02:24,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fe822f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:02:24, skipping insertion in model container [2019-10-22 09:02:24,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:23" (2/3) ... [2019-10-22 09:02:24,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fe822f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:02:24, skipping insertion in model container [2019-10-22 09:02:24,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:24" (3/3) ... [2019-10-22 09:02:24,729 INFO L109 eAbstractionObserver]: Analyzing ICFG sll_nondet_insert-2.i [2019-10-22 09:02:24,740 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:02:24,754 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 24 error locations. [2019-10-22 09:02:24,768 INFO L249 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2019-10-22 09:02:24,789 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:02:24,790 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 09:02:24,790 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:02:24,790 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:02:24,791 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:02:24,791 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:02:24,791 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:02:24,791 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:02:24,814 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states. [2019-10-22 09:02:24,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 09:02:24,829 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:24,830 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:24,832 INFO L410 AbstractCegarLoop]: === Iteration 1 === [sll_destroyErr1REQUIRES_VIOLATION, sll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr4ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr0REQUIRES_VIOLATION, sll_createErr0REQUIRES_VIOLATION, sll_createErr1REQUIRES_VIOLATION, sll_insertErr9REQUIRES_VIOLATION, sll_insertErr4REQUIRES_VIOLATION, sll_insertErr6REQUIRES_VIOLATION, sll_insertErr5REQUIRES_VIOLATION, sll_insertErr0REQUIRES_VIOLATION, sll_insertErr7REQUIRES_VIOLATION, sll_insertErr2REQUIRES_VIOLATION, sll_insertErr1REQUIRES_VIOLATION, sll_insertErr3REQUIRES_VIOLATION, sll_insertErr8REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, sll_lengthErr0REQUIRES_VIOLATION, sll_lengthErr1REQUIRES_VIOLATION]=== [2019-10-22 09:02:24,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:24,840 INFO L82 PathProgramCache]: Analyzing trace with hash 1102659065, now seen corresponding path program 1 times [2019-10-22 09:02:24,852 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 09:02:24,852 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1825802348] [2019-10-22 09:02:24,853 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f24f90da-ff3a-4774-92cd-7a99b14ff422/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 [2019-10-22 09:02:25,091 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 09:02:25,092 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) [2019-10-22 09:02:25,097 INFO L168 Benchmark]: Toolchain (without parser) took 1859.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 945.6 MB in the beginning and 1.0 GB in the end (delta: -63.9 MB). Peak memory consumption was 45.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:25,097 INFO L168 Benchmark]: CDTParser took 0.20 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. [2019-10-22 09:02:25,098 INFO L168 Benchmark]: CACSL2BoogieTranslator took 556.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -144.3 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:25,099 INFO L168 Benchmark]: Boogie Preprocessor took 74.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:25,100 INFO L168 Benchmark]: RCFGBuilder took 852.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.0 MB). Peak memory consumption was 61.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:25,101 INFO L168 Benchmark]: TraceAbstraction took 372.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:25,104 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 556.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -144.3 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 74.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 852.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.0 MB). Peak memory consumption was 61.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 372.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 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...