./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7a1ede65-6209-42bc-b206-9523e50fcdb1/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7a1ede65-6209-42bc-b206-9523e50fcdb1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7a1ede65-6209-42bc-b206-9523e50fcdb1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7a1ede65-6209-42bc-b206-9523e50fcdb1/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_7a1ede65-6209-42bc-b206-9523e50fcdb1/bin/uautomizer/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7a1ede65-6209-42bc-b206-9523e50fcdb1/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 27142e71f3089c5c3b5bf4f358882e993f701ffc ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7a1ede65-6209-42bc-b206-9523e50fcdb1/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7a1ede65-6209-42bc-b206-9523e50fcdb1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7a1ede65-6209-42bc-b206-9523e50fcdb1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7a1ede65-6209-42bc-b206-9523e50fcdb1/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_7a1ede65-6209-42bc-b206-9523e50fcdb1/bin/uautomizer/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7a1ede65-6209-42bc-b206-9523e50fcdb1/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 27142e71f3089c5c3b5bf4f358882e993f701ffc ................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort C_DOUBLE not declared --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 20:56:45,486 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 20:56:45,487 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 20:56:45,504 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 20:56:45,504 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 20:56:45,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 20:56:45,508 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 20:56:45,519 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 20:56:45,524 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 20:56:45,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 20:56:45,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 20:56:45,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 20:56:45,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 20:56:45,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 20:56:45,530 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 20:56:45,531 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 20:56:45,532 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 20:56:45,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 20:56:45,534 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 20:56:45,541 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 20:56:45,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 20:56:45,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 20:56:45,552 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 20:56:45,553 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 20:56:45,556 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 20:56:45,556 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 20:56:45,557 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 20:56:45,559 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 20:56:45,560 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 20:56:45,561 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 20:56:45,561 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 20:56:45,562 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 20:56:45,563 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 20:56:45,564 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 20:56:45,566 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 20:56:45,566 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 20:56:45,567 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 20:56:45,567 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 20:56:45,567 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 20:56:45,568 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 20:56:45,569 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 20:56:45,570 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7a1ede65-6209-42bc-b206-9523e50fcdb1/bin/uautomizer/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2019-11-15 20:56:45,600 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 20:56:45,601 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 20:56:45,602 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 20:56:45,602 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 20:56:45,602 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 20:56:45,603 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 20:56:45,603 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 20:56:45,603 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 20:56:45,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 20:56:45,604 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 20:56:45,604 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 20:56:45,604 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-15 20:56:45,604 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-15 20:56:45,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 20:56:45,605 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 20:56:45,605 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 20:56:45,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 20:56:45,606 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 20:56:45,606 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 20:56:45,606 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 20:56:45,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 20:56:45,607 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 20:56:45,607 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 20:56:45,607 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 20:56:45,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 20:56:45,608 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7a1ede65-6209-42bc-b206-9523e50fcdb1/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-memcleanup) ) 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 -> 27142e71f3089c5c3b5bf4f358882e993f701ffc [2019-11-15 20:56:45,638 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 20:56:45,649 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 20:56:45,653 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 20:56:45,654 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 20:56:45,655 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 20:56:45,655 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7a1ede65-6209-42bc-b206-9523e50fcdb1/bin/uautomizer/../../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i [2019-11-15 20:56:45,727 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7a1ede65-6209-42bc-b206-9523e50fcdb1/bin/uautomizer/data/9ea2e937a/6f0c0257260b434ab3665a92204511fc/FLAG6c20fdddb [2019-11-15 20:56:46,250 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 20:56:46,252 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7a1ede65-6209-42bc-b206-9523e50fcdb1/sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i [2019-11-15 20:56:46,273 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7a1ede65-6209-42bc-b206-9523e50fcdb1/bin/uautomizer/data/9ea2e937a/6f0c0257260b434ab3665a92204511fc/FLAG6c20fdddb [2019-11-15 20:56:46,571 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7a1ede65-6209-42bc-b206-9523e50fcdb1/bin/uautomizer/data/9ea2e937a/6f0c0257260b434ab3665a92204511fc [2019-11-15 20:56:46,575 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 20:56:46,576 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-15 20:56:46,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 20:56:46,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 20:56:46,585 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 20:56:46,586 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:56:46" (1/1) ... [2019-11-15 20:56:46,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25ee2202 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:56:46, skipping insertion in model container [2019-11-15 20:56:46,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:56:46" (1/1) ... [2019-11-15 20:56:46,599 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 20:56:46,665 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 20:56:47,127 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:56:47,136 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 20:56:47,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:56:47,257 INFO L192 MainTranslator]: Completed translation [2019-11-15 20:56:47,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:56:47 WrapperNode [2019-11-15 20:56:47,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 20:56:47,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 20:56:47,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 20:56:47,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 20:56:47,271 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:56:47" (1/1) ... [2019-11-15 20:56:47,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:56:47" (1/1) ... [2019-11-15 20:56:47,285 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:56:47" (1/1) ... [2019-11-15 20:56:47,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:56:47" (1/1) ... [2019-11-15 20:56:47,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:56:47" (1/1) ... [2019-11-15 20:56:47,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:56:47" (1/1) ... [2019-11-15 20:56:47,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:56:47" (1/1) ... [2019-11-15 20:56:47,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 20:56:47,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 20:56:47,320 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 20:56:47,320 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 20:56:47,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:56:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7a1ede65-6209-42bc-b206-9523e50fcdb1/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 20:56:47,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-15 20:56:47,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 20:56:47,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-15 20:56:47,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-15 20:56:47,380 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-11-15 20:56:47,381 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-11-15 20:56:47,381 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_length [2019-11-15 20:56:47,381 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2019-11-15 20:56:47,382 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_insert [2019-11-15 20:56:47,382 INFO L138 BoogieDeclarations]: Found implementation of procedure _get_nondet_int [2019-11-15 20:56:47,382 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-15 20:56:47,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-15 20:56:47,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-15 20:56:47,382 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-15 20:56:47,383 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-15 20:56:47,383 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-15 20:56:47,383 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-15 20:56:47,383 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-15 20:56:47,383 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-15 20:56:47,383 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-15 20:56:47,383 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-15 20:56:47,384 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-15 20:56:47,384 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-15 20:56:47,384 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-15 20:56:47,384 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-15 20:56:47,384 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-15 20:56:47,384 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-15 20:56:47,384 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-15 20:56:47,385 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-15 20:56:47,385 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-15 20:56:47,385 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-15 20:56:47,385 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-15 20:56:47,385 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-15 20:56:47,385 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-15 20:56:47,385 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-15 20:56:47,386 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-15 20:56:47,386 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-15 20:56:47,386 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-15 20:56:47,386 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-15 20:56:47,386 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-15 20:56:47,386 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-15 20:56:47,386 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-15 20:56:47,387 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-15 20:56:47,387 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-15 20:56:47,387 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-15 20:56:47,387 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-15 20:56:47,387 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-15 20:56:47,387 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-15 20:56:47,387 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-15 20:56:47,387 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-15 20:56:47,388 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-15 20:56:47,388 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-15 20:56:47,388 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-15 20:56:47,388 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-15 20:56:47,388 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-15 20:56:47,388 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-15 20:56:47,388 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-15 20:56:47,389 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-15 20:56:47,389 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-15 20:56:47,389 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-15 20:56:47,389 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-15 20:56:47,389 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-15 20:56:47,389 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-15 20:56:47,389 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-15 20:56:47,389 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-15 20:56:47,390 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-15 20:56:47,390 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-15 20:56:47,390 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-15 20:56:47,390 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-15 20:56:47,390 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-11-15 20:56:47,390 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-15 20:56:47,390 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-15 20:56:47,391 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-15 20:56:47,391 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-15 20:56:47,391 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-15 20:56:47,391 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-15 20:56:47,391 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-15 20:56:47,391 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-15 20:56:47,391 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-15 20:56:47,391 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-15 20:56:47,392 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-15 20:56:47,392 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-15 20:56:47,392 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-15 20:56:47,392 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-15 20:56:47,392 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-15 20:56:47,392 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-15 20:56:47,392 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-15 20:56:47,393 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-15 20:56:47,393 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-15 20:56:47,393 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-15 20:56:47,393 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-15 20:56:47,393 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-15 20:56:47,393 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-15 20:56:47,393 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-15 20:56:47,393 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-15 20:56:47,394 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-15 20:56:47,394 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-15 20:56:47,394 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-15 20:56:47,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-15 20:56:47,394 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-15 20:56:47,394 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-15 20:56:47,394 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-15 20:56:47,395 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-15 20:56:47,395 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-15 20:56:47,395 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-15 20:56:47,395 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-15 20:56:47,395 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-15 20:56:47,395 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-15 20:56:47,395 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-15 20:56:47,395 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-15 20:56:47,396 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-15 20:56:47,396 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-15 20:56:47,396 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-15 20:56:47,396 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-15 20:56:47,396 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-15 20:56:47,396 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-15 20:56:47,396 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-15 20:56:47,396 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-15 20:56:47,397 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-11-15 20:56:47,397 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-11-15 20:56:47,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-15 20:56:47,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-15 20:56:47,397 INFO L130 BoogieDeclarations]: Found specification of procedure sll_length [2019-11-15 20:56:47,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-15 20:56:47,397 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2019-11-15 20:56:47,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 20:56:47,398 INFO L130 BoogieDeclarations]: Found specification of procedure sll_insert [2019-11-15 20:56:47,398 INFO L130 BoogieDeclarations]: Found specification of procedure _get_nondet_int [2019-11-15 20:56:47,398 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-15 20:56:47,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 20:56:47,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-15 20:56:47,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-15 20:56:47,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 20:56:47,709 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-11-15 20:56:47,991 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 20:56:47,991 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-15 20:56:47,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:56:47 BoogieIcfgContainer [2019-11-15 20:56:47,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 20:56:47,994 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 20:56:47,994 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 20:56:47,997 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 20:56:47,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 08:56:46" (1/3) ... [2019-11-15 20:56:47,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@552107a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:56:47, skipping insertion in model container [2019-11-15 20:56:47,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:56:47" (2/3) ... [2019-11-15 20:56:47,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@552107a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:56:47, skipping insertion in model container [2019-11-15 20:56:47,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:56:47" (3/3) ... [2019-11-15 20:56:48,000 INFO L109 eAbstractionObserver]: Analyzing ICFG sll_nondet_insert-1.i [2019-11-15 20:56:48,010 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 20:56:48,017 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 24 error locations. [2019-11-15 20:56:48,028 INFO L249 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2019-11-15 20:56:48,046 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 20:56:48,046 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-15 20:56:48,047 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 20:56:48,047 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 20:56:48,047 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 20:56:48,047 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 20:56:48,047 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 20:56:48,047 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 20:56:48,065 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2019-11-15 20:56:48,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-15 20:56:48,074 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:56:48,075 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:56:48,076 INFO L410 AbstractCegarLoop]: === Iteration 1 === [sll_destroyErr0REQUIRES_VIOLATION, sll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr1REQUIRES_VIOLATION, sll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr4ASSERT_VIOLATIONMEMORY_FREE, sll_createErr1REQUIRES_VIOLATION, sll_createErr0REQUIRES_VIOLATION, sll_insertErr7REQUIRES_VIOLATION, sll_insertErr1REQUIRES_VIOLATION, sll_insertErr2REQUIRES_VIOLATION, sll_insertErr8REQUIRES_VIOLATION, sll_insertErr6REQUIRES_VIOLATION, sll_insertErr5REQUIRES_VIOLATION, sll_insertErr0REQUIRES_VIOLATION, sll_insertErr3REQUIRES_VIOLATION, sll_insertErr9REQUIRES_VIOLATION, sll_insertErr4REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr3REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, sll_lengthErr1REQUIRES_VIOLATION, sll_lengthErr0REQUIRES_VIOLATION]=== [2019-11-15 20:56:48,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:56:48,082 INFO L82 PathProgramCache]: Analyzing trace with hash 60271053, now seen corresponding path program 1 times [2019-11-15 20:56:48,090 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:56:48,090 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046683698] [2019-11-15 20:56:48,090 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:56:48,091 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:56:48,091 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:56:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:48,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:48,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:56:48,275 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046683698] [2019-11-15 20:56:48,276 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:56:48,277 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 20:56:48,277 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578847353] [2019-11-15 20:56:48,282 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 20:56:48,282 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:56:48,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 20:56:48,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 20:56:48,301 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 3 states. [2019-11-15 20:56:48,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:56:48,636 INFO L93 Difference]: Finished difference Result 123 states and 137 transitions. [2019-11-15 20:56:48,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 20:56:48,638 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-11-15 20:56:48,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:56:48,650 INFO L225 Difference]: With dead ends: 123 [2019-11-15 20:56:48,650 INFO L226 Difference]: Without dead ends: 115 [2019-11-15 20:56:48,652 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 [2019-11-15 20:56:48,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-11-15 20:56:48,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 97. [2019-11-15 20:56:48,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2019-11-15 20:56:48,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 107 transitions. [2019-11-15 20:56:48,710 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 107 transitions. Word has length 18 [2019-11-15 20:56:48,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:56:48,710 INFO L462 AbstractCegarLoop]: Abstraction has 97 states and 107 transitions. [2019-11-15 20:56:48,711 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 20:56:48,711 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 107 transitions. [2019-11-15 20:56:48,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-15 20:56:48,712 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:56:48,713 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] [2019-11-15 20:56:48,713 INFO L410 AbstractCegarLoop]: === Iteration 2 === [sll_destroyErr0REQUIRES_VIOLATION, sll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr1REQUIRES_VIOLATION, sll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr4ASSERT_VIOLATIONMEMORY_FREE, sll_createErr1REQUIRES_VIOLATION, sll_createErr0REQUIRES_VIOLATION, sll_insertErr7REQUIRES_VIOLATION, sll_insertErr1REQUIRES_VIOLATION, sll_insertErr2REQUIRES_VIOLATION, sll_insertErr8REQUIRES_VIOLATION, sll_insertErr6REQUIRES_VIOLATION, sll_insertErr5REQUIRES_VIOLATION, sll_insertErr0REQUIRES_VIOLATION, sll_insertErr3REQUIRES_VIOLATION, sll_insertErr9REQUIRES_VIOLATION, sll_insertErr4REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr3REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, sll_lengthErr1REQUIRES_VIOLATION, sll_lengthErr0REQUIRES_VIOLATION]=== [2019-11-15 20:56:48,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:56:48,714 INFO L82 PathProgramCache]: Analyzing trace with hash -773774234, now seen corresponding path program 1 times [2019-11-15 20:56:48,714 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:56:48,714 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168163636] [2019-11-15 20:56:48,714 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:56:48,715 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:56:48,715 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:56:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:48,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:48,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:48,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:56:48,855 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168163636] [2019-11-15 20:56:48,855 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:56:48,856 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 20:56:48,856 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017337462] [2019-11-15 20:56:48,857 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 20:56:48,858 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:56:48,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 20:56:48,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 20:56:48,859 INFO L87 Difference]: Start difference. First operand 97 states and 107 transitions. Second operand 4 states. [2019-11-15 20:56:49,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:56:49,196 INFO L93 Difference]: Finished difference Result 114 states and 126 transitions. [2019-11-15 20:56:49,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 20:56:49,196 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2019-11-15 20:56:49,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:56:49,198 INFO L225 Difference]: With dead ends: 114 [2019-11-15 20:56:49,199 INFO L226 Difference]: Without dead ends: 114 [2019-11-15 20:56:49,199 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 [2019-11-15 20:56:49,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-11-15 20:56:49,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 96. [2019-11-15 20:56:49,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-11-15 20:56:49,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 106 transitions. [2019-11-15 20:56:49,211 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 106 transitions. Word has length 20 [2019-11-15 20:56:49,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:56:49,212 INFO L462 AbstractCegarLoop]: Abstraction has 96 states and 106 transitions. [2019-11-15 20:56:49,212 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 20:56:49,212 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 106 transitions. [2019-11-15 20:56:49,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-15 20:56:49,215 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:56:49,216 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] [2019-11-15 20:56:49,216 INFO L410 AbstractCegarLoop]: === Iteration 3 === [sll_destroyErr0REQUIRES_VIOLATION, sll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr1REQUIRES_VIOLATION, sll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr4ASSERT_VIOLATIONMEMORY_FREE, sll_createErr1REQUIRES_VIOLATION, sll_createErr0REQUIRES_VIOLATION, sll_insertErr7REQUIRES_VIOLATION, sll_insertErr1REQUIRES_VIOLATION, sll_insertErr2REQUIRES_VIOLATION, sll_insertErr8REQUIRES_VIOLATION, sll_insertErr6REQUIRES_VIOLATION, sll_insertErr5REQUIRES_VIOLATION, sll_insertErr0REQUIRES_VIOLATION, sll_insertErr3REQUIRES_VIOLATION, sll_insertErr9REQUIRES_VIOLATION, sll_insertErr4REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr3REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, sll_lengthErr1REQUIRES_VIOLATION, sll_lengthErr0REQUIRES_VIOLATION]=== [2019-11-15 20:56:49,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:56:49,217 INFO L82 PathProgramCache]: Analyzing trace with hash -773774233, now seen corresponding path program 1 times [2019-11-15 20:56:49,217 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:56:49,218 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727007485] [2019-11-15 20:56:49,218 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:56:49,218 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:56:49,218 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:56:49,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:49,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:49,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:56:49,333 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727007485] [2019-11-15 20:56:49,333 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:56:49,333 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 20:56:49,333 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799528581] [2019-11-15 20:56:49,334 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 20:56:49,334 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:56:49,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 20:56:49,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 20:56:49,335 INFO L87 Difference]: Start difference. First operand 96 states and 106 transitions. Second operand 4 states. [2019-11-15 20:56:49,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:56:49,665 INFO L93 Difference]: Finished difference Result 113 states and 125 transitions. [2019-11-15 20:56:49,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 20:56:49,666 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2019-11-15 20:56:49,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:56:49,668 INFO L225 Difference]: With dead ends: 113 [2019-11-15 20:56:49,668 INFO L226 Difference]: Without dead ends: 113 [2019-11-15 20:56:49,668 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 [2019-11-15 20:56:49,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-11-15 20:56:49,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 95. [2019-11-15 20:56:49,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-11-15 20:56:49,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 105 transitions. [2019-11-15 20:56:49,701 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 105 transitions. Word has length 20 [2019-11-15 20:56:49,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:56:49,701 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 105 transitions. [2019-11-15 20:56:49,702 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 20:56:49,702 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 105 transitions. [2019-11-15 20:56:49,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-15 20:56:49,703 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:56:49,703 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, 1, 1] [2019-11-15 20:56:49,704 INFO L410 AbstractCegarLoop]: === Iteration 4 === [sll_destroyErr0REQUIRES_VIOLATION, sll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr1REQUIRES_VIOLATION, sll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr4ASSERT_VIOLATIONMEMORY_FREE, sll_createErr1REQUIRES_VIOLATION, sll_createErr0REQUIRES_VIOLATION, sll_insertErr7REQUIRES_VIOLATION, sll_insertErr1REQUIRES_VIOLATION, sll_insertErr2REQUIRES_VIOLATION, sll_insertErr8REQUIRES_VIOLATION, sll_insertErr6REQUIRES_VIOLATION, sll_insertErr5REQUIRES_VIOLATION, sll_insertErr0REQUIRES_VIOLATION, sll_insertErr3REQUIRES_VIOLATION, sll_insertErr9REQUIRES_VIOLATION, sll_insertErr4REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr3REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, sll_lengthErr1REQUIRES_VIOLATION, sll_lengthErr0REQUIRES_VIOLATION]=== [2019-11-15 20:56:49,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:56:49,704 INFO L82 PathProgramCache]: Analyzing trace with hash -1622943963, now seen corresponding path program 1 times [2019-11-15 20:56:49,705 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:56:49,705 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355471098] [2019-11-15 20:56:49,705 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:56:49,705 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:56:49,706 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:56:49,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:49,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:49,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:49,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:49,855 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-15 20:56:49,856 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355471098] [2019-11-15 20:56:49,856 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:56:49,856 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 20:56:49,856 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993996923] [2019-11-15 20:56:49,857 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 20:56:49,857 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:56:49,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 20:56:49,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-15 20:56:49,858 INFO L87 Difference]: Start difference. First operand 95 states and 105 transitions. Second operand 6 states. [2019-11-15 20:56:50,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:56:50,373 INFO L93 Difference]: Finished difference Result 124 states and 141 transitions. [2019-11-15 20:56:50,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 20:56:50,373 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2019-11-15 20:56:50,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:56:50,375 INFO L225 Difference]: With dead ends: 124 [2019-11-15 20:56:50,375 INFO L226 Difference]: Without dead ends: 124 [2019-11-15 20:56:50,376 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 [2019-11-15 20:56:50,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-11-15 20:56:50,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 106. [2019-11-15 20:56:50,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-11-15 20:56:50,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 121 transitions. [2019-11-15 20:56:50,386 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 121 transitions. Word has length 35 [2019-11-15 20:56:50,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:56:50,387 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 121 transitions. [2019-11-15 20:56:50,387 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 20:56:50,387 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 121 transitions. [2019-11-15 20:56:50,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-15 20:56:50,388 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:56:50,388 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, 1, 1] [2019-11-15 20:56:50,389 INFO L410 AbstractCegarLoop]: === Iteration 5 === [sll_destroyErr0REQUIRES_VIOLATION, sll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr1REQUIRES_VIOLATION, sll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr4ASSERT_VIOLATIONMEMORY_FREE, sll_createErr1REQUIRES_VIOLATION, sll_createErr0REQUIRES_VIOLATION, sll_insertErr7REQUIRES_VIOLATION, sll_insertErr1REQUIRES_VIOLATION, sll_insertErr2REQUIRES_VIOLATION, sll_insertErr8REQUIRES_VIOLATION, sll_insertErr6REQUIRES_VIOLATION, sll_insertErr5REQUIRES_VIOLATION, sll_insertErr0REQUIRES_VIOLATION, sll_insertErr3REQUIRES_VIOLATION, sll_insertErr9REQUIRES_VIOLATION, sll_insertErr4REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr3REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, sll_lengthErr1REQUIRES_VIOLATION, sll_lengthErr0REQUIRES_VIOLATION]=== [2019-11-15 20:56:50,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:56:50,389 INFO L82 PathProgramCache]: Analyzing trace with hash -1622943962, now seen corresponding path program 1 times [2019-11-15 20:56:50,390 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:56:50,390 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323926183] [2019-11-15 20:56:50,390 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:56:50,390 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:56:50,390 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:56:50,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:50,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:50,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:50,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:50,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:50,571 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 20:56:50,571 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323926183] [2019-11-15 20:56:50,572 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [665565108] [2019-11-15 20:56:50,572 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7a1ede65-6209-42bc-b206-9523e50fcdb1/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 20:56:50,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:50,708 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-15 20:56:50,715 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:56:50,844 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:56:50,844 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 20:56:50,844 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 15 [2019-11-15 20:56:50,845 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795653300] [2019-11-15 20:56:50,845 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-15 20:56:50,845 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:56:50,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-15 20:56:50,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2019-11-15 20:56:50,846 INFO L87 Difference]: Start difference. First operand 106 states and 121 transitions. Second operand 9 states. [2019-11-15 20:56:50,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:56:50,976 INFO L93 Difference]: Finished difference Result 99 states and 109 transitions. [2019-11-15 20:56:50,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-15 20:56:50,976 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 35 [2019-11-15 20:56:50,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:56:50,977 INFO L225 Difference]: With dead ends: 99 [2019-11-15 20:56:50,977 INFO L226 Difference]: Without dead ends: 96 [2019-11-15 20:56:50,978 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2019-11-15 20:56:50,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2019-11-15 20:56:50,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2019-11-15 20:56:50,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-11-15 20:56:50,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 106 transitions. [2019-11-15 20:56:50,985 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 106 transitions. Word has length 35 [2019-11-15 20:56:50,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:56:50,985 INFO L462 AbstractCegarLoop]: Abstraction has 96 states and 106 transitions. [2019-11-15 20:56:50,985 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-15 20:56:50,986 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 106 transitions. [2019-11-15 20:56:50,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-15 20:56:50,987 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:56:50,987 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, 1, 1] [2019-11-15 20:56:51,195 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 20:56:51,195 INFO L410 AbstractCegarLoop]: === Iteration 6 === [sll_destroyErr0REQUIRES_VIOLATION, sll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr1REQUIRES_VIOLATION, sll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr4ASSERT_VIOLATIONMEMORY_FREE, sll_createErr1REQUIRES_VIOLATION, sll_createErr0REQUIRES_VIOLATION, sll_insertErr7REQUIRES_VIOLATION, sll_insertErr1REQUIRES_VIOLATION, sll_insertErr2REQUIRES_VIOLATION, sll_insertErr8REQUIRES_VIOLATION, sll_insertErr6REQUIRES_VIOLATION, sll_insertErr5REQUIRES_VIOLATION, sll_insertErr0REQUIRES_VIOLATION, sll_insertErr3REQUIRES_VIOLATION, sll_insertErr9REQUIRES_VIOLATION, sll_insertErr4REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr3REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, sll_lengthErr1REQUIRES_VIOLATION, sll_lengthErr0REQUIRES_VIOLATION]=== [2019-11-15 20:56:51,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:56:51,196 INFO L82 PathProgramCache]: Analyzing trace with hash -704802399, now seen corresponding path program 1 times [2019-11-15 20:56:51,196 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:56:51,196 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066699210] [2019-11-15 20:56:51,196 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:56:51,197 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:56:51,197 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:56:51,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:51,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:51,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:51,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:51,788 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 20:56:51,789 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066699210] [2019-11-15 20:56:51,789 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [832537517] [2019-11-15 20:56:51,789 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7a1ede65-6209-42bc-b206-9523e50fcdb1/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 20:56:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:51,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-15 20:56:51,935 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:56:52,038 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:56:52,038 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 20:56:52,038 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 10] total 21 [2019-11-15 20:56:52,039 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600188478] [2019-11-15 20:56:52,039 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-11-15 20:56:52,040 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:56:52,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-11-15 20:56:52,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=373, Unknown=0, NotChecked=0, Total=420 [2019-11-15 20:56:52,040 INFO L87 Difference]: Start difference. First operand 96 states and 106 transitions. Second operand 21 states. [2019-11-15 20:56:53,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:56:53,519 INFO L93 Difference]: Finished difference Result 139 states and 160 transitions. [2019-11-15 20:56:53,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-11-15 20:56:53,519 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 40 [2019-11-15 20:56:53,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:56:53,521 INFO L225 Difference]: With dead ends: 139 [2019-11-15 20:56:53,521 INFO L226 Difference]: Without dead ends: 136 [2019-11-15 20:56:53,522 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=219, Invalid=1113, Unknown=0, NotChecked=0, Total=1332 [2019-11-15 20:56:53,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2019-11-15 20:56:53,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 108. [2019-11-15 20:56:53,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-11-15 20:56:53,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 120 transitions. [2019-11-15 20:56:53,530 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 120 transitions. Word has length 40 [2019-11-15 20:56:53,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:56:53,531 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 120 transitions. [2019-11-15 20:56:53,531 INFO L463 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-11-15 20:56:53,531 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 120 transitions. [2019-11-15 20:56:53,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-15 20:56:53,532 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:56:53,532 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] [2019-11-15 20:56:53,733 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 20:56:53,733 INFO L410 AbstractCegarLoop]: === Iteration 7 === [sll_destroyErr0REQUIRES_VIOLATION, sll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr1REQUIRES_VIOLATION, sll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr4ASSERT_VIOLATIONMEMORY_FREE, sll_createErr1REQUIRES_VIOLATION, sll_createErr0REQUIRES_VIOLATION, sll_insertErr7REQUIRES_VIOLATION, sll_insertErr1REQUIRES_VIOLATION, sll_insertErr2REQUIRES_VIOLATION, sll_insertErr8REQUIRES_VIOLATION, sll_insertErr6REQUIRES_VIOLATION, sll_insertErr5REQUIRES_VIOLATION, sll_insertErr0REQUIRES_VIOLATION, sll_insertErr3REQUIRES_VIOLATION, sll_insertErr9REQUIRES_VIOLATION, sll_insertErr4REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr3REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, sll_lengthErr1REQUIRES_VIOLATION, sll_lengthErr0REQUIRES_VIOLATION]=== [2019-11-15 20:56:53,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:56:53,734 INFO L82 PathProgramCache]: Analyzing trace with hash 601949349, now seen corresponding path program 2 times [2019-11-15 20:56:53,734 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:56:53,734 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705710529] [2019-11-15 20:56:53,734 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:56:53,734 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:56:53,734 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:56:53,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:53,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:53,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:53,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:53,908 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-15 20:56:53,908 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705710529] [2019-11-15 20:56:53,909 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:56:53,909 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-15 20:56:53,909 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096190318] [2019-11-15 20:56:53,910 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-15 20:56:53,910 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:56:53,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-15 20:56:53,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-15 20:56:53,911 INFO L87 Difference]: Start difference. First operand 108 states and 120 transitions. Second operand 9 states. [2019-11-15 20:56:54,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:56:54,563 INFO L93 Difference]: Finished difference Result 153 states and 176 transitions. [2019-11-15 20:56:54,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-15 20:56:54,564 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 45 [2019-11-15 20:56:54,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:56:54,566 INFO L225 Difference]: With dead ends: 153 [2019-11-15 20:56:54,566 INFO L226 Difference]: Without dead ends: 153 [2019-11-15 20:56:54,567 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2019-11-15 20:56:54,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-11-15 20:56:54,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 118. [2019-11-15 20:56:54,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-11-15 20:56:54,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 134 transitions. [2019-11-15 20:56:54,597 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 134 transitions. Word has length 45 [2019-11-15 20:56:54,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:56:54,597 INFO L462 AbstractCegarLoop]: Abstraction has 118 states and 134 transitions. [2019-11-15 20:56:54,598 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-15 20:56:54,598 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 134 transitions. [2019-11-15 20:56:54,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-15 20:56:54,600 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:56:54,600 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] [2019-11-15 20:56:54,606 INFO L410 AbstractCegarLoop]: === Iteration 8 === [sll_destroyErr0REQUIRES_VIOLATION, sll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr1REQUIRES_VIOLATION, sll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr4ASSERT_VIOLATIONMEMORY_FREE, sll_createErr1REQUIRES_VIOLATION, sll_createErr0REQUIRES_VIOLATION, sll_insertErr7REQUIRES_VIOLATION, sll_insertErr1REQUIRES_VIOLATION, sll_insertErr2REQUIRES_VIOLATION, sll_insertErr8REQUIRES_VIOLATION, sll_insertErr6REQUIRES_VIOLATION, sll_insertErr5REQUIRES_VIOLATION, sll_insertErr0REQUIRES_VIOLATION, sll_insertErr3REQUIRES_VIOLATION, sll_insertErr9REQUIRES_VIOLATION, sll_insertErr4REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr3REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, sll_lengthErr1REQUIRES_VIOLATION, sll_lengthErr0REQUIRES_VIOLATION]=== [2019-11-15 20:56:54,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:56:54,607 INFO L82 PathProgramCache]: Analyzing trace with hash 601951271, now seen corresponding path program 1 times [2019-11-15 20:56:54,607 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:56:54,607 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058779439] [2019-11-15 20:56:54,608 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:56:54,608 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:56:54,608 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:56:54,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:54,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:54,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:54,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:55,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:55,017 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-15 20:56:55,020 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058779439] [2019-11-15 20:56:55,020 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080664483] [2019-11-15 20:56:55,021 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7a1ede65-6209-42bc-b206-9523e50fcdb1/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 20:56:55,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:55,171 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-15 20:56:55,174 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:56:55,204 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 [2019-11-15 20:56:55,205 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:56:55,211 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:56:55,211 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 20:56:55,211 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-15 20:56:55,222 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 [2019-11-15 20:56:55,223 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:56:55,233 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:56:55,234 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 20:56:55,234 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:3 [2019-11-15 20:56:55,336 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 20:56:55,338 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 20:56:55,352 INFO L341 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2019-11-15 20:56:55,353 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 [2019-11-15 20:56:55,353 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:56:55,370 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:56:55,371 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. [2019-11-15 20:56:55,371 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:25, output treesize:26 [2019-11-15 20:56:55,500 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:56:55,500 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 20:56:55,500 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 12 [2019-11-15 20:56:55,501 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117445484] [2019-11-15 20:56:55,501 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-15 20:56:55,501 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:56:55,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-15 20:56:55,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2019-11-15 20:56:55,502 INFO L87 Difference]: Start difference. First operand 118 states and 134 transitions. Second operand 13 states. [2019-11-15 20:56:56,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:56:56,883 INFO L93 Difference]: Finished difference Result 231 states and 264 transitions. [2019-11-15 20:56:56,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-15 20:56:56,883 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 45 [2019-11-15 20:56:56,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:56:56,885 INFO L225 Difference]: With dead ends: 231 [2019-11-15 20:56:56,885 INFO L226 Difference]: Without dead ends: 231 [2019-11-15 20:56:56,885 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 46 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2019-11-15 20:56:56,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2019-11-15 20:56:56,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 176. [2019-11-15 20:56:56,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2019-11-15 20:56:56,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 216 transitions. [2019-11-15 20:56:56,905 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 216 transitions. Word has length 45 [2019-11-15 20:56:56,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:56:56,907 INFO L462 AbstractCegarLoop]: Abstraction has 176 states and 216 transitions. [2019-11-15 20:56:56,907 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-15 20:56:56,907 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 216 transitions. [2019-11-15 20:56:56,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-15 20:56:56,908 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:56:56,908 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] [2019-11-15 20:56:57,109 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 20:56:57,115 INFO L410 AbstractCegarLoop]: === Iteration 9 === [sll_destroyErr0REQUIRES_VIOLATION, sll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr1REQUIRES_VIOLATION, sll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr4ASSERT_VIOLATIONMEMORY_FREE, sll_createErr1REQUIRES_VIOLATION, sll_createErr0REQUIRES_VIOLATION, sll_insertErr7REQUIRES_VIOLATION, sll_insertErr1REQUIRES_VIOLATION, sll_insertErr2REQUIRES_VIOLATION, sll_insertErr8REQUIRES_VIOLATION, sll_insertErr6REQUIRES_VIOLATION, sll_insertErr5REQUIRES_VIOLATION, sll_insertErr0REQUIRES_VIOLATION, sll_insertErr3REQUIRES_VIOLATION, sll_insertErr9REQUIRES_VIOLATION, sll_insertErr4REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr3REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, sll_lengthErr1REQUIRES_VIOLATION, sll_lengthErr0REQUIRES_VIOLATION]=== [2019-11-15 20:56:57,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:56:57,116 INFO L82 PathProgramCache]: Analyzing trace with hash 601951272, now seen corresponding path program 1 times [2019-11-15 20:56:57,116 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:56:57,116 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52112399] [2019-11-15 20:56:57,117 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:56:57,117 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:56:57,117 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:56:57,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:57,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:57,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:57,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:57,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:57,379 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-15 20:56:57,380 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52112399] [2019-11-15 20:56:57,380 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2009227192] [2019-11-15 20:56:57,380 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7a1ede65-6209-42bc-b206-9523e50fcdb1/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 20:56:57,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:57,520 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-15 20:56:57,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:56:57,541 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 [2019-11-15 20:56:57,541 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:56:57,555 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:56:57,555 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 20:56:57,555 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-11-15 20:56:57,566 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 [2019-11-15 20:56:57,566 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:56:57,572 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:56:57,573 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 20:56:57,573 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:3 [2019-11-15 20:56:57,665 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 20:56:57,666 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 20:56:57,676 INFO L341 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2019-11-15 20:56:57,677 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 [2019-11-15 20:56:57,677 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:56:57,689 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:56:57,690 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. [2019-11-15 20:56:57,691 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:28, output treesize:29 [2019-11-15 20:56:57,790 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:56:57,791 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 20:56:57,791 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 12 [2019-11-15 20:56:57,791 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487142404] [2019-11-15 20:56:57,792 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-15 20:56:57,792 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:56:57,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-15 20:56:57,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2019-11-15 20:56:57,793 INFO L87 Difference]: Start difference. First operand 176 states and 216 transitions. Second operand 13 states. [2019-11-15 20:56:59,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:56:59,138 INFO L93 Difference]: Finished difference Result 243 states and 275 transitions. [2019-11-15 20:56:59,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-15 20:56:59,139 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 45 [2019-11-15 20:56:59,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:56:59,142 INFO L225 Difference]: With dead ends: 243 [2019-11-15 20:56:59,142 INFO L226 Difference]: Without dead ends: 243 [2019-11-15 20:56:59,142 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 46 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306 [2019-11-15 20:56:59,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2019-11-15 20:56:59,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 187. [2019-11-15 20:56:59,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2019-11-15 20:56:59,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 229 transitions. [2019-11-15 20:56:59,157 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 229 transitions. Word has length 45 [2019-11-15 20:56:59,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:56:59,158 INFO L462 AbstractCegarLoop]: Abstraction has 187 states and 229 transitions. [2019-11-15 20:56:59,158 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-15 20:56:59,158 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 229 transitions. [2019-11-15 20:56:59,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-15 20:56:59,160 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:56:59,160 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, 1, 1] [2019-11-15 20:56:59,364 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 20:56:59,365 INFO L410 AbstractCegarLoop]: === Iteration 10 === [sll_destroyErr0REQUIRES_VIOLATION, sll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr1REQUIRES_VIOLATION, sll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr4ASSERT_VIOLATIONMEMORY_FREE, sll_createErr1REQUIRES_VIOLATION, sll_createErr0REQUIRES_VIOLATION, sll_insertErr7REQUIRES_VIOLATION, sll_insertErr1REQUIRES_VIOLATION, sll_insertErr2REQUIRES_VIOLATION, sll_insertErr8REQUIRES_VIOLATION, sll_insertErr6REQUIRES_VIOLATION, sll_insertErr5REQUIRES_VIOLATION, sll_insertErr0REQUIRES_VIOLATION, sll_insertErr3REQUIRES_VIOLATION, sll_insertErr9REQUIRES_VIOLATION, sll_insertErr4REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr3REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, sll_lengthErr1REQUIRES_VIOLATION, sll_lengthErr0REQUIRES_VIOLATION]=== [2019-11-15 20:56:59,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:56:59,365 INFO L82 PathProgramCache]: Analyzing trace with hash -151851820, now seen corresponding path program 1 times [2019-11-15 20:56:59,365 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:56:59,366 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303500355] [2019-11-15 20:56:59,366 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:56:59,366 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:56:59,366 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:56:59,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:59,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:59,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:59,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:59,607 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-15 20:56:59,607 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303500355] [2019-11-15 20:56:59,608 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:56:59,608 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-15 20:56:59,608 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056326628] [2019-11-15 20:56:59,609 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-15 20:56:59,609 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:56:59,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-15 20:56:59,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2019-11-15 20:56:59,610 INFO L87 Difference]: Start difference. First operand 187 states and 229 transitions. Second operand 12 states. [2019-11-15 20:57:00,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:57:00,701 INFO L93 Difference]: Finished difference Result 256 states and 320 transitions. [2019-11-15 20:57:00,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-15 20:57:00,702 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 49 [2019-11-15 20:57:00,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:57:00,705 INFO L225 Difference]: With dead ends: 256 [2019-11-15 20:57:00,705 INFO L226 Difference]: Without dead ends: 256 [2019-11-15 20:57:00,705 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2019-11-15 20:57:00,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2019-11-15 20:57:00,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 217. [2019-11-15 20:57:00,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2019-11-15 20:57:00,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 275 transitions. [2019-11-15 20:57:00,720 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 275 transitions. Word has length 49 [2019-11-15 20:57:00,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:57:00,721 INFO L462 AbstractCegarLoop]: Abstraction has 217 states and 275 transitions. [2019-11-15 20:57:00,721 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-15 20:57:00,721 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 275 transitions. [2019-11-15 20:57:00,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-15 20:57:00,723 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:57:00,723 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, 1, 1] [2019-11-15 20:57:00,724 INFO L410 AbstractCegarLoop]: === Iteration 11 === [sll_destroyErr0REQUIRES_VIOLATION, sll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr1REQUIRES_VIOLATION, sll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr4ASSERT_VIOLATIONMEMORY_FREE, sll_createErr1REQUIRES_VIOLATION, sll_createErr0REQUIRES_VIOLATION, sll_insertErr7REQUIRES_VIOLATION, sll_insertErr1REQUIRES_VIOLATION, sll_insertErr2REQUIRES_VIOLATION, sll_insertErr8REQUIRES_VIOLATION, sll_insertErr6REQUIRES_VIOLATION, sll_insertErr5REQUIRES_VIOLATION, sll_insertErr0REQUIRES_VIOLATION, sll_insertErr3REQUIRES_VIOLATION, sll_insertErr9REQUIRES_VIOLATION, sll_insertErr4REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr3REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, sll_lengthErr1REQUIRES_VIOLATION, sll_lengthErr0REQUIRES_VIOLATION]=== [2019-11-15 20:57:00,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:57:00,724 INFO L82 PathProgramCache]: Analyzing trace with hash -151851819, now seen corresponding path program 1 times [2019-11-15 20:57:00,724 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:57:00,725 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024144727] [2019-11-15 20:57:00,725 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:57:00,725 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:57:00,725 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:57:00,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:57:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:57:00,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:57:00,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:57:00,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:57:00,980 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-15 20:57:00,980 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024144727] [2019-11-15 20:57:00,981 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:57:00,981 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-15 20:57:00,981 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205369878] [2019-11-15 20:57:00,981 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-15 20:57:00,982 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:57:00,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-15 20:57:00,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2019-11-15 20:57:00,982 INFO L87 Difference]: Start difference. First operand 217 states and 275 transitions. Second operand 12 states. [2019-11-15 20:57:01,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:57:01,778 INFO L93 Difference]: Finished difference Result 257 states and 320 transitions. [2019-11-15 20:57:01,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-15 20:57:01,778 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 49 [2019-11-15 20:57:01,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:57:01,781 INFO L225 Difference]: With dead ends: 257 [2019-11-15 20:57:01,781 INFO L226 Difference]: Without dead ends: 257 [2019-11-15 20:57:01,781 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2019-11-15 20:57:01,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2019-11-15 20:57:01,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 217. [2019-11-15 20:57:01,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2019-11-15 20:57:01,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 273 transitions. [2019-11-15 20:57:01,795 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 273 transitions. Word has length 49 [2019-11-15 20:57:01,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:57:01,795 INFO L462 AbstractCegarLoop]: Abstraction has 217 states and 273 transitions. [2019-11-15 20:57:01,795 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-15 20:57:01,796 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 273 transitions. [2019-11-15 20:57:01,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-15 20:57:01,797 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:57:01,797 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, 1, 1] [2019-11-15 20:57:01,798 INFO L410 AbstractCegarLoop]: === Iteration 12 === [sll_destroyErr0REQUIRES_VIOLATION, sll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr1REQUIRES_VIOLATION, sll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr4ASSERT_VIOLATIONMEMORY_FREE, sll_createErr1REQUIRES_VIOLATION, sll_createErr0REQUIRES_VIOLATION, sll_insertErr7REQUIRES_VIOLATION, sll_insertErr1REQUIRES_VIOLATION, sll_insertErr2REQUIRES_VIOLATION, sll_insertErr8REQUIRES_VIOLATION, sll_insertErr6REQUIRES_VIOLATION, sll_insertErr5REQUIRES_VIOLATION, sll_insertErr0REQUIRES_VIOLATION, sll_insertErr3REQUIRES_VIOLATION, sll_insertErr9REQUIRES_VIOLATION, sll_insertErr4REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr3REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, sll_lengthErr1REQUIRES_VIOLATION, sll_lengthErr0REQUIRES_VIOLATION]=== [2019-11-15 20:57:01,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:57:01,799 INFO L82 PathProgramCache]: Analyzing trace with hash 1342233507, now seen corresponding path program 2 times [2019-11-15 20:57:01,799 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:57:01,799 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796553566] [2019-11-15 20:57:01,799 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:57:01,799 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:57:01,800 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:57:01,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:57:01,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:57:01,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:57:01,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:57:02,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:57:02,050 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 20:57:02,051 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796553566] [2019-11-15 20:57:02,051 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [182528288] [2019-11-15 20:57:02,051 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7a1ede65-6209-42bc-b206-9523e50fcdb1/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 [2019-11-15 20:57:02,204 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-15 20:57:02,205 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 20:57:02,206 INFO L256 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-15 20:57:02,209 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:57:02,286 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:57:02,287 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 20:57:02,287 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 17 [2019-11-15 20:57:02,287 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530544111] [2019-11-15 20:57:02,288 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-15 20:57:02,288 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:57:02,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-15 20:57:02,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2019-11-15 20:57:02,288 INFO L87 Difference]: Start difference. First operand 217 states and 273 transitions. Second operand 17 states. [2019-11-15 20:57:03,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:57:03,166 INFO L93 Difference]: Finished difference Result 270 states and 345 transitions. [2019-11-15 20:57:03,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-15 20:57:03,168 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 50 [2019-11-15 20:57:03,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:57:03,171 INFO L225 Difference]: With dead ends: 270 [2019-11-15 20:57:03,171 INFO L226 Difference]: Without dead ends: 270 [2019-11-15 20:57:03,172 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=119, Invalid=637, Unknown=0, NotChecked=0, Total=756 [2019-11-15 20:57:03,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2019-11-15 20:57:03,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 219. [2019-11-15 20:57:03,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2019-11-15 20:57:03,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 276 transitions. [2019-11-15 20:57:03,184 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 276 transitions. Word has length 50 [2019-11-15 20:57:03,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:57:03,185 INFO L462 AbstractCegarLoop]: Abstraction has 219 states and 276 transitions. [2019-11-15 20:57:03,185 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-15 20:57:03,185 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 276 transitions. [2019-11-15 20:57:03,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-15 20:57:03,186 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:57:03,187 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, 1, 1] [2019-11-15 20:57:03,390 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 20:57:03,390 INFO L410 AbstractCegarLoop]: === Iteration 13 === [sll_destroyErr0REQUIRES_VIOLATION, sll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr1REQUIRES_VIOLATION, sll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr4ASSERT_VIOLATIONMEMORY_FREE, sll_createErr1REQUIRES_VIOLATION, sll_createErr0REQUIRES_VIOLATION, sll_insertErr7REQUIRES_VIOLATION, sll_insertErr1REQUIRES_VIOLATION, sll_insertErr2REQUIRES_VIOLATION, sll_insertErr8REQUIRES_VIOLATION, sll_insertErr6REQUIRES_VIOLATION, sll_insertErr5REQUIRES_VIOLATION, sll_insertErr0REQUIRES_VIOLATION, sll_insertErr3REQUIRES_VIOLATION, sll_insertErr9REQUIRES_VIOLATION, sll_insertErr4REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr3REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, sll_lengthErr1REQUIRES_VIOLATION, sll_lengthErr0REQUIRES_VIOLATION]=== [2019-11-15 20:57:03,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:57:03,391 INFO L82 PathProgramCache]: Analyzing trace with hash -1216993157, now seen corresponding path program 1 times [2019-11-15 20:57:03,391 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:57:03,391 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816200784] [2019-11-15 20:57:03,391 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:57:03,391 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:57:03,391 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:57:03,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:57:03,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:57:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:57:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:57:03,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:57:03,714 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-15 20:57:03,714 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816200784] [2019-11-15 20:57:03,714 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [149694422] [2019-11-15 20:57:03,723 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7a1ede65-6209-42bc-b206-9523e50fcdb1/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 [2019-11-15 20:57:03,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:57:03,867 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 45 conjunts are in the unsatisfiable core [2019-11-15 20:57:03,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:57:03,900 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:57:03,900 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 [2019-11-15 20:57:03,900 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:57:03,919 INFO L567 ElimStorePlain]: treesize reduction 14, result has 44.0 percent of original size [2019-11-15 20:57:03,919 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 20:57:03,920 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2019-11-15 20:57:03,943 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-15 20:57:03,943 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:57:03,949 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:57:03,949 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 20:57:03,949 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:15 [2019-11-15 20:57:04,169 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 [2019-11-15 20:57:04,170 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:57:04,176 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:57:04,177 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. [2019-11-15 20:57:04,177 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:41, output treesize:30 [2019-11-15 20:57:04,324 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:57:04,325 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 [2019-11-15 20:57:04,325 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 20:57:04,328 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 20:57:04,329 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-15 20:57:04,343 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:57:04,344 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 20:57:04,345 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. [2019-11-15 20:57:04,345 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:34, output treesize:23 [2019-11-15 20:57:04,345 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 20:57:04,377 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:57:04,378 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 20:57:04,378 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 26 [2019-11-15 20:57:04,378 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683039776] [2019-11-15 20:57:04,379 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-11-15 20:57:04,379 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:57:04,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-11-15 20:57:04,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2019-11-15 20:57:04,380 INFO L87 Difference]: Start difference. First operand 219 states and 276 transitions. Second operand 27 states. [2019-11-15 20:57:06,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:57:06,011 INFO L93 Difference]: Finished difference Result 349 states and 429 transitions. [2019-11-15 20:57:06,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-11-15 20:57:06,011 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 52 [2019-11-15 20:57:06,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:57:06,014 INFO L225 Difference]: With dead ends: 349 [2019-11-15 20:57:06,014 INFO L226 Difference]: Without dead ends: 349 [2019-11-15 20:57:06,015 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 50 SyntacticMatches, 2 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=236, Invalid=1570, Unknown=0, NotChecked=0, Total=1806 [2019-11-15 20:57:06,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2019-11-15 20:57:06,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 254. [2019-11-15 20:57:06,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2019-11-15 20:57:06,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 323 transitions. [2019-11-15 20:57:06,026 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 323 transitions. Word has length 52 [2019-11-15 20:57:06,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:57:06,026 INFO L462 AbstractCegarLoop]: Abstraction has 254 states and 323 transitions. [2019-11-15 20:57:06,026 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-11-15 20:57:06,026 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 323 transitions. [2019-11-15 20:57:06,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-15 20:57:06,028 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:57:06,028 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, 1, 1] [2019-11-15 20:57:06,232 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 20:57:06,232 INFO L410 AbstractCegarLoop]: === Iteration 14 === [sll_destroyErr0REQUIRES_VIOLATION, sll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr1REQUIRES_VIOLATION, sll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr4ASSERT_VIOLATIONMEMORY_FREE, sll_createErr1REQUIRES_VIOLATION, sll_createErr0REQUIRES_VIOLATION, sll_insertErr7REQUIRES_VIOLATION, sll_insertErr1REQUIRES_VIOLATION, sll_insertErr2REQUIRES_VIOLATION, sll_insertErr8REQUIRES_VIOLATION, sll_insertErr6REQUIRES_VIOLATION, sll_insertErr5REQUIRES_VIOLATION, sll_insertErr0REQUIRES_VIOLATION, sll_insertErr3REQUIRES_VIOLATION, sll_insertErr9REQUIRES_VIOLATION, sll_insertErr4REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr3REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, sll_lengthErr1REQUIRES_VIOLATION, sll_lengthErr0REQUIRES_VIOLATION]=== [2019-11-15 20:57:06,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:57:06,233 INFO L82 PathProgramCache]: Analyzing trace with hash -1216993156, now seen corresponding path program 1 times [2019-11-15 20:57:06,233 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:57:06,233 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683988910] [2019-11-15 20:57:06,233 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:57:06,234 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:57:06,234 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:57:06,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:57:06,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:57:06,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:57:06,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:57:06,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:57:06,634 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-15 20:57:06,634 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683988910] [2019-11-15 20:57:06,635 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [19877895] [2019-11-15 20:57:06,635 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7a1ede65-6209-42bc-b206-9523e50fcdb1/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 [2019-11-15 20:57:06,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:57:06,763 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 53 conjunts are in the unsatisfiable core [2019-11-15 20:57:06,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:57:06,776 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 [2019-11-15 20:57:06,776 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:57:06,782 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:57:06,783 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 20:57:06,783 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-15 20:57:06,843 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:57:06,843 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 [2019-11-15 20:57:06,843 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:57:06,857 INFO L567 ElimStorePlain]: treesize reduction 14, result has 50.0 percent of original size [2019-11-15 20:57:06,857 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 20:57:06,857 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-11-15 20:57:06,893 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-15 20:57:06,893 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:57:06,901 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:57:06,911 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-15 20:57:06,911 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 20:57:06,918 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:57:06,918 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 20:57:06,918 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:33, output treesize:22 [2019-11-15 20:57:07,484 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:57:07,485 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 [2019-11-15 20:57:07,485 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 20:57:07,486 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 20:57:07,487 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-15 20:57:07,501 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:57:07,723 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 20:57:07,724 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 [2019-11-15 20:57:07,728 INFO L168 Benchmark]: Toolchain (without parser) took 21151.86 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 345.0 MB). Free memory was 943.4 MB in the beginning and 1.3 GB in the end (delta: -386.4 MB). Peak memory consumption was 529.7 MB. Max. memory is 11.5 GB. [2019-11-15 20:57:07,728 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:57:07,730 INFO L168 Benchmark]: CACSL2BoogieTranslator took 677.41 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -130.2 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-11-15 20:57:07,730 INFO L168 Benchmark]: Boogie Preprocessor took 61.29 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:57:07,731 INFO L168 Benchmark]: RCFGBuilder took 672.76 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: 64.0 MB). Peak memory consumption was 64.0 MB. Max. memory is 11.5 GB. [2019-11-15 20:57:07,732 INFO L168 Benchmark]: TraceAbstraction took 19732.91 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 246.4 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -320.1 MB). Peak memory consumption was 497.4 MB. Max. memory is 11.5 GB. [2019-11-15 20:57:07,735 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 677.41 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -130.2 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 61.29 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 672.76 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: 64.0 MB). Peak memory consumption was 64.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 19732.91 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 246.4 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -320.1 MB). Peak memory consumption was 497.4 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 [2019-11-15 20:57:10,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 20:57:10,085 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 20:57:10,106 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 20:57:10,106 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 20:57:10,108 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 20:57:10,110 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 20:57:10,124 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 20:57:10,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 20:57:10,129 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 20:57:10,131 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 20:57:10,132 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 20:57:10,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 20:57:10,133 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 20:57:10,134 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 20:57:10,135 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 20:57:10,136 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 20:57:10,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 20:57:10,139 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 20:57:10,141 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 20:57:10,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 20:57:10,143 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 20:57:10,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 20:57:10,145 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 20:57:10,148 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 20:57:10,149 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 20:57:10,149 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 20:57:10,150 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 20:57:10,150 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 20:57:10,151 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 20:57:10,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 20:57:10,153 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 20:57:10,153 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 20:57:10,154 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 20:57:10,155 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 20:57:10,156 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 20:57:10,156 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 20:57:10,157 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 20:57:10,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 20:57:10,158 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 20:57:10,158 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 20:57:10,163 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7a1ede65-6209-42bc-b206-9523e50fcdb1/bin/uautomizer/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2019-11-15 20:57:10,182 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 20:57:10,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 20:57:10,187 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 20:57:10,187 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 20:57:10,187 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 20:57:10,188 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 20:57:10,188 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 20:57:10,188 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 20:57:10,188 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 20:57:10,189 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 20:57:10,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 20:57:10,189 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-15 20:57:10,189 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-15 20:57:10,190 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 20:57:10,190 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-15 20:57:10,190 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-15 20:57:10,190 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 20:57:10,191 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 20:57:10,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 20:57:10,191 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 20:57:10,191 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 20:57:10,191 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 20:57:10,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 20:57:10,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 20:57:10,192 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 20:57:10,192 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-15 20:57:10,193 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-15 20:57:10,193 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-15 20:57:10,193 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7a1ede65-6209-42bc-b206-9523e50fcdb1/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-memcleanup) ) 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 -> 27142e71f3089c5c3b5bf4f358882e993f701ffc [2019-11-15 20:57:10,223 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 20:57:10,235 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 20:57:10,240 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 20:57:10,242 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 20:57:10,242 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 20:57:10,244 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7a1ede65-6209-42bc-b206-9523e50fcdb1/bin/uautomizer/../../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i [2019-11-15 20:57:10,311 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7a1ede65-6209-42bc-b206-9523e50fcdb1/bin/uautomizer/data/75124b4de/4759b450c75842b39c3019c1a8d41c14/FLAG496e82976 [2019-11-15 20:57:10,805 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 20:57:10,806 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7a1ede65-6209-42bc-b206-9523e50fcdb1/sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i [2019-11-15 20:57:10,827 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7a1ede65-6209-42bc-b206-9523e50fcdb1/bin/uautomizer/data/75124b4de/4759b450c75842b39c3019c1a8d41c14/FLAG496e82976 [2019-11-15 20:57:11,154 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7a1ede65-6209-42bc-b206-9523e50fcdb1/bin/uautomizer/data/75124b4de/4759b450c75842b39c3019c1a8d41c14 [2019-11-15 20:57:11,156 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 20:57:11,157 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-15 20:57:11,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 20:57:11,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 20:57:11,162 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 20:57:11,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:57:11" (1/1) ... [2019-11-15 20:57:11,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e0caeff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:57:11, skipping insertion in model container [2019-11-15 20:57:11,167 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:57:11" (1/1) ... [2019-11-15 20:57:11,175 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 20:57:11,224 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 20:57:11,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:57:11,719 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 20:57:11,785 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:57:11,857 INFO L192 MainTranslator]: Completed translation [2019-11-15 20:57:11,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:57:11 WrapperNode [2019-11-15 20:57:11,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 20:57:11,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 20:57:11,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 20:57:11,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 20:57:11,872 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:57:11" (1/1) ... [2019-11-15 20:57:11,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:57:11" (1/1) ... [2019-11-15 20:57:11,917 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:57:11" (1/1) ... [2019-11-15 20:57:11,918 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:57:11" (1/1) ... [2019-11-15 20:57:11,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:57:11" (1/1) ... [2019-11-15 20:57:11,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:57:11" (1/1) ... [2019-11-15 20:57:11,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:57:11" (1/1) ... [2019-11-15 20:57:11,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 20:57:11,980 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 20:57:11,980 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 20:57:11,981 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 20:57:11,981 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:57:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7a1ede65-6209-42bc-b206-9523e50fcdb1/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 20:57:12,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-15 20:57:12,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 20:57:12,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-15 20:57:12,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-15 20:57:12,041 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-11-15 20:57:12,041 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-11-15 20:57:12,042 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_length [2019-11-15 20:57:12,042 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2019-11-15 20:57:12,042 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_insert [2019-11-15 20:57:12,042 INFO L138 BoogieDeclarations]: Found implementation of procedure _get_nondet_int [2019-11-15 20:57:12,042 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-15 20:57:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-15 20:57:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-15 20:57:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-15 20:57:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-15 20:57:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-15 20:57:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-15 20:57:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-15 20:57:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-15 20:57:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-15 20:57:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-15 20:57:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-15 20:57:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-15 20:57:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-15 20:57:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-15 20:57:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-15 20:57:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-15 20:57:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-15 20:57:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-15 20:57:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-15 20:57:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-15 20:57:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-15 20:57:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-15 20:57:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-15 20:57:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-15 20:57:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-15 20:57:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-15 20:57:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-15 20:57:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-15 20:57:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-15 20:57:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-15 20:57:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-15 20:57:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-15 20:57:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-15 20:57:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-15 20:57:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-15 20:57:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-15 20:57:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-15 20:57:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-15 20:57:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-15 20:57:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-15 20:57:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-15 20:57:12,051 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-15 20:57:12,051 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-15 20:57:12,051 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-15 20:57:12,051 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-15 20:57:12,051 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-15 20:57:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-15 20:57:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-15 20:57:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-15 20:57:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-15 20:57:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-15 20:57:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-15 20:57:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-15 20:57:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-15 20:57:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-15 20:57:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-15 20:57:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-15 20:57:12,054 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-15 20:57:12,054 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-11-15 20:57:12,054 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-15 20:57:12,054 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-15 20:57:12,054 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-15 20:57:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-15 20:57:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-15 20:57:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-15 20:57:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-15 20:57:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-15 20:57:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-15 20:57:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-15 20:57:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-15 20:57:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-15 20:57:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-15 20:57:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-15 20:57:12,057 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-15 20:57:12,057 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-15 20:57:12,057 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-15 20:57:12,057 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-15 20:57:12,057 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-15 20:57:12,057 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-15 20:57:12,058 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-15 20:57:12,058 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-15 20:57:12,058 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-15 20:57:12,058 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-15 20:57:12,058 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-15 20:57:12,058 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-15 20:57:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-15 20:57:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-15 20:57:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-15 20:57:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-15 20:57:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-15 20:57:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-15 20:57:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-15 20:57:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-15 20:57:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-15 20:57:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-15 20:57:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-15 20:57:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-15 20:57:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-15 20:57:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-15 20:57:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-15 20:57:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-15 20:57:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-15 20:57:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-15 20:57:12,062 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-15 20:57:12,062 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-15 20:57:12,062 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-15 20:57:12,062 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-15 20:57:12,062 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-11-15 20:57:12,062 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-11-15 20:57:12,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-15 20:57:12,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-15 20:57:12,063 INFO L130 BoogieDeclarations]: Found specification of procedure sll_length [2019-11-15 20:57:12,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-15 20:57:12,063 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2019-11-15 20:57:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 20:57:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure sll_insert [2019-11-15 20:57:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure _get_nondet_int [2019-11-15 20:57:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-15 20:57:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 20:57:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-15 20:57:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-15 20:57:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 20:57:12,375 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-11-15 20:57:12,812 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 20:57:12,812 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-15 20:57:12,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:57:12 BoogieIcfgContainer [2019-11-15 20:57:12,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 20:57:12,815 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 20:57:12,815 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 20:57:12,818 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 20:57:12,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 08:57:11" (1/3) ... [2019-11-15 20:57:12,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37cfa75e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:57:12, skipping insertion in model container [2019-11-15 20:57:12,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:57:11" (2/3) ... [2019-11-15 20:57:12,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37cfa75e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:57:12, skipping insertion in model container [2019-11-15 20:57:12,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:57:12" (3/3) ... [2019-11-15 20:57:12,831 INFO L109 eAbstractionObserver]: Analyzing ICFG sll_nondet_insert-1.i [2019-11-15 20:57:12,841 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 20:57:12,850 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 24 error locations. [2019-11-15 20:57:12,861 INFO L249 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2019-11-15 20:57:12,876 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 20:57:12,876 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-15 20:57:12,877 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 20:57:12,877 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 20:57:12,877 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 20:57:12,877 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 20:57:12,878 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 20:57:12,878 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 20:57:12,900 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states. [2019-11-15 20:57:12,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-15 20:57:12,911 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:57:12,912 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:57:12,914 INFO L410 AbstractCegarLoop]: === Iteration 1 === [sll_destroyErr1REQUIRES_VIOLATION, sll_destroyErr4ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr0REQUIRES_VIOLATION, sll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE, sll_createErr1REQUIRES_VIOLATION, sll_createErr0REQUIRES_VIOLATION, sll_insertErr3REQUIRES_VIOLATION, sll_insertErr2REQUIRES_VIOLATION, sll_insertErr6REQUIRES_VIOLATION, sll_insertErr1REQUIRES_VIOLATION, sll_insertErr7REQUIRES_VIOLATION, sll_insertErr0REQUIRES_VIOLATION, sll_insertErr5REQUIRES_VIOLATION, sll_insertErr8REQUIRES_VIOLATION, sll_insertErr4REQUIRES_VIOLATION, sll_insertErr9REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, sll_lengthErr1REQUIRES_VIOLATION, sll_lengthErr0REQUIRES_VIOLATION]=== [2019-11-15 20:57:12,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:57:12,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1102659065, now seen corresponding path program 1 times [2019-11-15 20:57:12,930 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 20:57:12,931 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [142832438] [2019-11-15 20:57:12,931 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7a1ede65-6209-42bc-b206-9523e50fcdb1/bin/uautomizer/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 20:57:13,156 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 20:57:13,157 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort C_DOUBLE not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:223) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableFunctionSymbol.defineOrDeclare(DeclarableFunctionSymbol.java:160) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:143) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:168) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferSymbols(SmtFunctionsAndAxioms.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleTraceCheck.createExternalManagedScript(IpTcStrategyModuleTraceCheck.java:81) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCvc4.constructManagedScript(IpTcStrategyModuleCvc4.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.checkFeasibility(TraceAbstractionRefinementEngine.java:244) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-15 20:57:13,163 INFO L168 Benchmark]: Toolchain (without parser) took 2005.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -116.8 MB). Peak memory consumption was 45.2 MB. Max. memory is 11.5 GB. [2019-11-15 20:57:13,164 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:57:13,165 INFO L168 Benchmark]: CACSL2BoogieTranslator took 699.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -190.7 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-11-15 20:57:13,166 INFO L168 Benchmark]: Boogie Preprocessor took 121.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:57:13,166 INFO L168 Benchmark]: RCFGBuilder took 833.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 62.1 MB). Peak memory consumption was 62.1 MB. Max. memory is 11.5 GB. [2019-11-15 20:57:13,167 INFO L168 Benchmark]: TraceAbstraction took 346.58 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: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2019-11-15 20:57:13,172 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 699.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -190.7 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 121.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 833.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 62.1 MB). Peak memory consumption was 62.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 346.58 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: 11.8 MB). Peak memory consumption was 11.8 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...