./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/20020406-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a7baea46-a9ca-4a46-ae74-a9e16eeef887/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a7baea46-a9ca-4a46-ae74-a9e16eeef887/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a7baea46-a9ca-4a46-ae74-a9e16eeef887/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a7baea46-a9ca-4a46-ae74-a9e16eeef887/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/20020406-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_a7baea46-a9ca-4a46-ae74-a9e16eeef887/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a7baea46-a9ca-4a46-ae74-a9e16eeef887/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0b4d94c6a9eb31529ed540a05f62ccb609577156 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a7baea46-a9ca-4a46-ae74-a9e16eeef887/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a7baea46-a9ca-4a46-ae74-a9e16eeef887/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a7baea46-a9ca-4a46-ae74-a9e16eeef887/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a7baea46-a9ca-4a46-ae74-a9e16eeef887/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/20020406-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_a7baea46-a9ca-4a46-ae74-a9e16eeef887/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a7baea46-a9ca-4a46-ae74-a9e16eeef887/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0b4d94c6a9eb31529ed540a05f62ccb609577156 .......................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort FloatRoundingMode not declared --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:27:31,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:27:31,294 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:27:31,305 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:27:31,305 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:27:31,306 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:27:31,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:27:31,308 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:27:31,310 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:27:31,311 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:27:31,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:27:31,313 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:27:31,313 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:27:31,314 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:27:31,314 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:27:31,315 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:27:31,316 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:27:31,317 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:27:31,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:27:31,321 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:27:31,322 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:27:31,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:27:31,325 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:27:31,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:27:31,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:27:31,329 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:27:31,329 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:27:31,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:27:31,330 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:27:31,331 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:27:31,332 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:27:31,333 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:27:31,333 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:27:31,334 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:27:31,335 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:27:31,336 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:27:31,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:27:31,337 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:27:31,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:27:31,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:27:31,343 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:27:31,344 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a7baea46-a9ca-4a46-ae74-a9e16eeef887/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2019-10-22 11:27:31,366 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:27:31,366 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:27:31,367 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:27:31,367 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:27:31,368 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:27:31,368 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:27:31,368 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:27:31,368 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:27:31,368 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:27:31,368 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:27:31,369 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:27:31,369 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:27:31,369 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 11:27:31,370 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 11:27:31,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:27:31,370 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:27:31,370 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 11:27:31,370 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:27:31,371 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:27:31,371 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:27:31,371 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 11:27:31,371 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 11:27:31,371 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 11:27:31,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:27:31,372 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:27:31,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:27:31,372 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:27:31,372 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:27:31,373 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:27:31,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:27:31,373 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:27:31,373 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:27:31,373 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:27:31,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:27:31,374 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:27:31,374 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_a7baea46-a9ca-4a46-ae74-a9e16eeef887/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan 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 -> 0b4d94c6a9eb31529ed540a05f62ccb609577156 [2019-10-22 11:27:31,406 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:27:31,421 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:27:31,429 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:27:31,432 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:27:31,433 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:27:31,433 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a7baea46-a9ca-4a46-ae74-a9e16eeef887/bin/utaipan/../../sv-benchmarks/c/memsafety/20020406-1.i [2019-10-22 11:27:31,503 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a7baea46-a9ca-4a46-ae74-a9e16eeef887/bin/utaipan/data/9b4660cb7/0b1c0b60c1834341a85bf62616fa7ae6/FLAG587c61b82 [2019-10-22 11:27:31,990 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:27:31,990 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a7baea46-a9ca-4a46-ae74-a9e16eeef887/sv-benchmarks/c/memsafety/20020406-1.i [2019-10-22 11:27:32,006 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a7baea46-a9ca-4a46-ae74-a9e16eeef887/bin/utaipan/data/9b4660cb7/0b1c0b60c1834341a85bf62616fa7ae6/FLAG587c61b82 [2019-10-22 11:27:32,264 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a7baea46-a9ca-4a46-ae74-a9e16eeef887/bin/utaipan/data/9b4660cb7/0b1c0b60c1834341a85bf62616fa7ae6 [2019-10-22 11:27:32,266 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:27:32,267 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:27:32,268 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:27:32,268 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:27:32,272 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:27:32,273 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:27:32" (1/1) ... [2019-10-22 11:27:32,276 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@621c2d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:32, skipping insertion in model container [2019-10-22 11:27:32,276 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:27:32" (1/1) ... [2019-10-22 11:27:32,284 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:27:32,346 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:27:32,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:27:33,001 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:27:33,063 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:27:33,210 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:27:33,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:33 WrapperNode [2019-10-22 11:27:33,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:27:33,212 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:27:33,212 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:27:33,212 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:27:33,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:33" (1/1) ... [2019-10-22 11:27:33,249 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:33" (1/1) ... [2019-10-22 11:27:33,332 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:27:33,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:27:33,344 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:27:33,345 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:27:33,353 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:33" (1/1) ... [2019-10-22 11:27:33,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:33" (1/1) ... [2019-10-22 11:27:33,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:33" (1/1) ... [2019-10-22 11:27:33,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:33" (1/1) ... [2019-10-22 11:27:33,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:33" (1/1) ... [2019-10-22 11:27:33,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:33" (1/1) ... [2019-10-22 11:27:33,401 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:33" (1/1) ... [2019-10-22 11:27:33,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:27:33,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:27:33,425 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:27:33,425 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:27:33,426 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a7baea46-a9ca-4a46-ae74-a9e16eeef887/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:27:33,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:27:33,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 11:27:33,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:27:33,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 11:27:33,497 INFO L130 BoogieDeclarations]: Found specification of procedure DUPFFexgcd [2019-10-22 11:27:33,497 INFO L138 BoogieDeclarations]: Found implementation of procedure DUPFFexgcd [2019-10-22 11:27:33,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 11:27:33,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 11:27:33,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 11:27:33,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:27:33,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:27:34,528 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:27:34,530 INFO L284 CfgBuilder]: Removed 84 assume(true) statements. [2019-10-22 11:27:34,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:34 BoogieIcfgContainer [2019-10-22 11:27:34,531 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:27:34,532 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:27:34,533 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:27:34,536 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:27:34,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:27:32" (1/3) ... [2019-10-22 11:27:34,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7247be4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:27:34, skipping insertion in model container [2019-10-22 11:27:34,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:33" (2/3) ... [2019-10-22 11:27:34,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7247be4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:27:34, skipping insertion in model container [2019-10-22 11:27:34,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:34" (3/3) ... [2019-10-22 11:27:34,540 INFO L109 eAbstractionObserver]: Analyzing ICFG 20020406-1.i [2019-10-22 11:27:34,551 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:27:34,559 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 135 error locations. [2019-10-22 11:27:34,574 INFO L249 AbstractCegarLoop]: Starting to check reachability of 135 error locations. [2019-10-22 11:27:34,599 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:27:34,599 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 11:27:34,599 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:27:34,599 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:27:34,600 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:27:34,600 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:27:34,600 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:27:34,600 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:27:34,632 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states. [2019-10-22 11:27:34,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 11:27:34,643 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:34,644 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-10-22 11:27:34,647 INFO L410 AbstractCegarLoop]: === Iteration 1 === [DUPFFexgcdErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr15REQUIRES_VIOLATION, DUPFFexgcdErr38REQUIRES_VIOLATION, DUPFFexgcdErr80REQUIRES_VIOLATION, DUPFFexgcdErr34REQUIRES_VIOLATION, DUPFFexgcdErr76REQUIRES_VIOLATION, DUPFFexgcdErr57REQUIRES_VIOLATION, DUPFFexgcdErr11REQUIRES_VIOLATION, DUPFFexgcdErr95REQUIRES_VIOLATION, DUPFFexgcdErr7REQUIRES_VIOLATION, DUPFFexgcdErr30REQUIRES_VIOLATION, DUPFFexgcdErr72REQUIRES_VIOLATION, DUPFFexgcdErr91REQUIRES_VIOLATION, DUPFFexgcdErr26REQUIRES_VIOLATION, DUPFFexgcdErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr68REQUIRES_VIOLATION, DUPFFexgcdErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr49REQUIRES_VIOLATION, DUPFFexgcdErr45REQUIRES_VIOLATION, DUPFFexgcdErr87REQUIRES_VIOLATION, DUPFFexgcdErr3REQUIRES_VIOLATION, DUPFFexgcdErr18REQUIRES_VIOLATION, DUPFFexgcdErr60REQUIRES_VIOLATION, DUPFFexgcdErr83REQUIRES_VIOLATION, DUPFFexgcdErr37REQUIRES_VIOLATION, DUPFFexgcdErr79REQUIRES_VIOLATION, DUPFFexgcdErr14REQUIRES_VIOLATION, DUPFFexgcdErr56REQUIRES_VIOLATION, DUPFFexgcdErr10REQUIRES_VIOLATION, DUPFFexgcdErr33REQUIRES_VIOLATION, DUPFFexgcdErr75REQUIRES_VIOLATION, DUPFFexgcdErr29REQUIRES_VIOLATION, DUPFFexgcdErr71REQUIRES_VIOLATION, DUPFFexgcdErr94REQUIRES_VIOLATION, DUPFFexgcdErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr6REQUIRES_VIOLATION, DUPFFexgcdErr48REQUIRES_VIOLATION, DUPFFexgcdErr90REQUIRES_VIOLATION, DUPFFexgcdErr2REQUIRES_VIOLATION, DUPFFexgcdErr44REQUIRES_VIOLATION, DUPFFexgcdErr25REQUIRES_VIOLATION, DUPFFexgcdErr67REQUIRES_VIOLATION, DUPFFexgcdErr21REQUIRES_VIOLATION, DUPFFexgcdErr63REQUIRES_VIOLATION, DUPFFexgcdErr86REQUIRES_VIOLATION, DUPFFexgcdErr82REQUIRES_VIOLATION, DUPFFexgcdErr36REQUIRES_VIOLATION, DUPFFexgcdErr17REQUIRES_VIOLATION, DUPFFexgcdErr59REQUIRES_VIOLATION, DUPFFexgcdErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr13REQUIRES_VIOLATION, DUPFFexgcdErr55REQUIRES_VIOLATION, DUPFFexgcdErr78REQUIRES_VIOLATION, DUPFFexgcdErr74REQUIRES_VIOLATION, DUPFFexgcdErr97REQUIRES_VIOLATION, DUPFFexgcdErr32REQUIRES_VIOLATION, DUPFFexgcdErr28REQUIRES_VIOLATION, DUPFFexgcdErr9REQUIRES_VIOLATION, DUPFFexgcdErr51REQUIRES_VIOLATION, DUPFFexgcdErr93REQUIRES_VIOLATION, DUPFFexgcdErr5REQUIRES_VIOLATION, DUPFFexgcdErr47REQUIRES_VIOLATION, DUPFFexgcdErr70REQUIRES_VIOLATION, DUPFFexgcdErr66REQUIRES_VIOLATION, DUPFFexgcdErr89REQUIRES_VIOLATION, DUPFFexgcdErr24REQUIRES_VIOLATION, DUPFFexgcdErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr85REQUIRES_VIOLATION, DUPFFexgcdErr20REQUIRES_VIOLATION, DUPFFexgcdErr1REQUIRES_VIOLATION, DUPFFexgcdErr43REQUIRES_VIOLATION, DUPFFexgcdErr39REQUIRES_VIOLATION, DUPFFexgcdErr62REQUIRES_VIOLATION, DUPFFexgcdErr58REQUIRES_VIOLATION, DUPFFexgcdErr16REQUIRES_VIOLATION, DUPFFexgcdErr81REQUIRES_VIOLATION, DUPFFexgcdErr12REQUIRES_VIOLATION, DUPFFexgcdErr77REQUIRES_VIOLATION, DUPFFexgcdErr35REQUIRES_VIOLATION, DUPFFexgcdErr31REQUIRES_VIOLATION, DUPFFexgcdErr96REQUIRES_VIOLATION, DUPFFexgcdErr54REQUIRES_VIOLATION, DUPFFexgcdErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr50REQUIRES_VIOLATION, DUPFFexgcdErr8REQUIRES_VIOLATION, DUPFFexgcdErr73REQUIRES_VIOLATION, DUPFFexgcdErr92REQUIRES_VIOLATION, DUPFFexgcdErr4REQUIRES_VIOLATION, DUPFFexgcdErr69REQUIRES_VIOLATION, DUPFFexgcdErr27REQUIRES_VIOLATION, DUPFFexgcdErr88REQUIRES_VIOLATION, DUPFFexgcdErr46REQUIRES_VIOLATION, DUPFFexgcdErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr42REQUIRES_VIOLATION, DUPFFexgcdErr84REQUIRES_VIOLATION, DUPFFexgcdErr0REQUIRES_VIOLATION, DUPFFexgcdErr61REQUIRES_VIOLATION, DUPFFexgcdErr19REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION]=== [2019-10-22 11:27:34,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:34,654 INFO L82 PathProgramCache]: Analyzing trace with hash 390317, now seen corresponding path program 1 times [2019-10-22 11:27:34,664 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:34,664 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567404941] [2019-10-22 11:27:34,665 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:34,665 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:34,665 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:34,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:34,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:34,856 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567404941] [2019-10-22 11:27:34,857 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:34,857 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:27:34,858 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404956690] [2019-10-22 11:27:34,863 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:27:34,865 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:34,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:27:34,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:27:34,885 INFO L87 Difference]: Start difference. First operand 315 states. Second operand 3 states. [2019-10-22 11:27:35,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:35,372 INFO L93 Difference]: Finished difference Result 347 states and 368 transitions. [2019-10-22 11:27:35,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:27:35,374 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-10-22 11:27:35,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:35,396 INFO L225 Difference]: With dead ends: 347 [2019-10-22 11:27:35,400 INFO L226 Difference]: Without dead ends: 345 [2019-10-22 11:27:35,402 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:27:35,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2019-10-22 11:27:35,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 315. [2019-10-22 11:27:35,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2019-10-22 11:27:35,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 339 transitions. [2019-10-22 11:27:35,476 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 339 transitions. Word has length 3 [2019-10-22 11:27:35,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:35,481 INFO L462 AbstractCegarLoop]: Abstraction has 315 states and 339 transitions. [2019-10-22 11:27:35,481 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:27:35,481 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 339 transitions. [2019-10-22 11:27:35,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 11:27:35,482 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:35,482 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-10-22 11:27:35,483 INFO L410 AbstractCegarLoop]: === Iteration 2 === [DUPFFexgcdErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr15REQUIRES_VIOLATION, DUPFFexgcdErr38REQUIRES_VIOLATION, DUPFFexgcdErr80REQUIRES_VIOLATION, DUPFFexgcdErr34REQUIRES_VIOLATION, DUPFFexgcdErr76REQUIRES_VIOLATION, DUPFFexgcdErr57REQUIRES_VIOLATION, DUPFFexgcdErr11REQUIRES_VIOLATION, DUPFFexgcdErr95REQUIRES_VIOLATION, DUPFFexgcdErr7REQUIRES_VIOLATION, DUPFFexgcdErr30REQUIRES_VIOLATION, DUPFFexgcdErr72REQUIRES_VIOLATION, DUPFFexgcdErr91REQUIRES_VIOLATION, DUPFFexgcdErr26REQUIRES_VIOLATION, DUPFFexgcdErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr68REQUIRES_VIOLATION, DUPFFexgcdErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr49REQUIRES_VIOLATION, DUPFFexgcdErr45REQUIRES_VIOLATION, DUPFFexgcdErr87REQUIRES_VIOLATION, DUPFFexgcdErr3REQUIRES_VIOLATION, DUPFFexgcdErr18REQUIRES_VIOLATION, DUPFFexgcdErr60REQUIRES_VIOLATION, DUPFFexgcdErr83REQUIRES_VIOLATION, DUPFFexgcdErr37REQUIRES_VIOLATION, DUPFFexgcdErr79REQUIRES_VIOLATION, DUPFFexgcdErr14REQUIRES_VIOLATION, DUPFFexgcdErr56REQUIRES_VIOLATION, DUPFFexgcdErr10REQUIRES_VIOLATION, DUPFFexgcdErr33REQUIRES_VIOLATION, DUPFFexgcdErr75REQUIRES_VIOLATION, DUPFFexgcdErr29REQUIRES_VIOLATION, DUPFFexgcdErr71REQUIRES_VIOLATION, DUPFFexgcdErr94REQUIRES_VIOLATION, DUPFFexgcdErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr6REQUIRES_VIOLATION, DUPFFexgcdErr48REQUIRES_VIOLATION, DUPFFexgcdErr90REQUIRES_VIOLATION, DUPFFexgcdErr2REQUIRES_VIOLATION, DUPFFexgcdErr44REQUIRES_VIOLATION, DUPFFexgcdErr25REQUIRES_VIOLATION, DUPFFexgcdErr67REQUIRES_VIOLATION, DUPFFexgcdErr21REQUIRES_VIOLATION, DUPFFexgcdErr63REQUIRES_VIOLATION, DUPFFexgcdErr86REQUIRES_VIOLATION, DUPFFexgcdErr82REQUIRES_VIOLATION, DUPFFexgcdErr36REQUIRES_VIOLATION, DUPFFexgcdErr17REQUIRES_VIOLATION, DUPFFexgcdErr59REQUIRES_VIOLATION, DUPFFexgcdErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr13REQUIRES_VIOLATION, DUPFFexgcdErr55REQUIRES_VIOLATION, DUPFFexgcdErr78REQUIRES_VIOLATION, DUPFFexgcdErr74REQUIRES_VIOLATION, DUPFFexgcdErr97REQUIRES_VIOLATION, DUPFFexgcdErr32REQUIRES_VIOLATION, DUPFFexgcdErr28REQUIRES_VIOLATION, DUPFFexgcdErr9REQUIRES_VIOLATION, DUPFFexgcdErr51REQUIRES_VIOLATION, DUPFFexgcdErr93REQUIRES_VIOLATION, DUPFFexgcdErr5REQUIRES_VIOLATION, DUPFFexgcdErr47REQUIRES_VIOLATION, DUPFFexgcdErr70REQUIRES_VIOLATION, DUPFFexgcdErr66REQUIRES_VIOLATION, DUPFFexgcdErr89REQUIRES_VIOLATION, DUPFFexgcdErr24REQUIRES_VIOLATION, DUPFFexgcdErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr85REQUIRES_VIOLATION, DUPFFexgcdErr20REQUIRES_VIOLATION, DUPFFexgcdErr1REQUIRES_VIOLATION, DUPFFexgcdErr43REQUIRES_VIOLATION, DUPFFexgcdErr39REQUIRES_VIOLATION, DUPFFexgcdErr62REQUIRES_VIOLATION, DUPFFexgcdErr58REQUIRES_VIOLATION, DUPFFexgcdErr16REQUIRES_VIOLATION, DUPFFexgcdErr81REQUIRES_VIOLATION, DUPFFexgcdErr12REQUIRES_VIOLATION, DUPFFexgcdErr77REQUIRES_VIOLATION, DUPFFexgcdErr35REQUIRES_VIOLATION, DUPFFexgcdErr31REQUIRES_VIOLATION, DUPFFexgcdErr96REQUIRES_VIOLATION, DUPFFexgcdErr54REQUIRES_VIOLATION, DUPFFexgcdErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr50REQUIRES_VIOLATION, DUPFFexgcdErr8REQUIRES_VIOLATION, DUPFFexgcdErr73REQUIRES_VIOLATION, DUPFFexgcdErr92REQUIRES_VIOLATION, DUPFFexgcdErr4REQUIRES_VIOLATION, DUPFFexgcdErr69REQUIRES_VIOLATION, DUPFFexgcdErr27REQUIRES_VIOLATION, DUPFFexgcdErr88REQUIRES_VIOLATION, DUPFFexgcdErr46REQUIRES_VIOLATION, DUPFFexgcdErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr42REQUIRES_VIOLATION, DUPFFexgcdErr84REQUIRES_VIOLATION, DUPFFexgcdErr0REQUIRES_VIOLATION, DUPFFexgcdErr61REQUIRES_VIOLATION, DUPFFexgcdErr19REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION]=== [2019-10-22 11:27:35,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:35,484 INFO L82 PathProgramCache]: Analyzing trace with hash 390316, now seen corresponding path program 1 times [2019-10-22 11:27:35,484 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:35,485 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250933559] [2019-10-22 11:27:35,485 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:35,486 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:35,486 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:35,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:35,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:35,535 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250933559] [2019-10-22 11:27:35,535 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:35,536 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:27:35,536 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251324634] [2019-10-22 11:27:35,538 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:27:35,538 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:35,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:27:35,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:27:35,539 INFO L87 Difference]: Start difference. First operand 315 states and 339 transitions. Second operand 3 states. [2019-10-22 11:27:35,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:35,857 INFO L93 Difference]: Finished difference Result 305 states and 325 transitions. [2019-10-22 11:27:35,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:27:35,860 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-10-22 11:27:35,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:35,862 INFO L225 Difference]: With dead ends: 305 [2019-10-22 11:27:35,862 INFO L226 Difference]: Without dead ends: 305 [2019-10-22 11:27:35,863 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:27:35,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2019-10-22 11:27:35,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2019-10-22 11:27:35,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2019-10-22 11:27:35,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 325 transitions. [2019-10-22 11:27:35,895 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 325 transitions. Word has length 3 [2019-10-22 11:27:35,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:35,895 INFO L462 AbstractCegarLoop]: Abstraction has 305 states and 325 transitions. [2019-10-22 11:27:35,895 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:27:35,895 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 325 transitions. [2019-10-22 11:27:35,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 11:27:35,896 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:35,896 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-10-22 11:27:35,899 INFO L410 AbstractCegarLoop]: === Iteration 3 === [DUPFFexgcdErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr15REQUIRES_VIOLATION, DUPFFexgcdErr38REQUIRES_VIOLATION, DUPFFexgcdErr80REQUIRES_VIOLATION, DUPFFexgcdErr34REQUIRES_VIOLATION, DUPFFexgcdErr76REQUIRES_VIOLATION, DUPFFexgcdErr57REQUIRES_VIOLATION, DUPFFexgcdErr11REQUIRES_VIOLATION, DUPFFexgcdErr95REQUIRES_VIOLATION, DUPFFexgcdErr7REQUIRES_VIOLATION, DUPFFexgcdErr30REQUIRES_VIOLATION, DUPFFexgcdErr72REQUIRES_VIOLATION, DUPFFexgcdErr91REQUIRES_VIOLATION, DUPFFexgcdErr26REQUIRES_VIOLATION, DUPFFexgcdErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr68REQUIRES_VIOLATION, DUPFFexgcdErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr49REQUIRES_VIOLATION, DUPFFexgcdErr45REQUIRES_VIOLATION, DUPFFexgcdErr87REQUIRES_VIOLATION, DUPFFexgcdErr3REQUIRES_VIOLATION, DUPFFexgcdErr18REQUIRES_VIOLATION, DUPFFexgcdErr60REQUIRES_VIOLATION, DUPFFexgcdErr83REQUIRES_VIOLATION, DUPFFexgcdErr37REQUIRES_VIOLATION, DUPFFexgcdErr79REQUIRES_VIOLATION, DUPFFexgcdErr14REQUIRES_VIOLATION, DUPFFexgcdErr56REQUIRES_VIOLATION, DUPFFexgcdErr10REQUIRES_VIOLATION, DUPFFexgcdErr33REQUIRES_VIOLATION, DUPFFexgcdErr75REQUIRES_VIOLATION, DUPFFexgcdErr29REQUIRES_VIOLATION, DUPFFexgcdErr71REQUIRES_VIOLATION, DUPFFexgcdErr94REQUIRES_VIOLATION, DUPFFexgcdErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr6REQUIRES_VIOLATION, DUPFFexgcdErr48REQUIRES_VIOLATION, DUPFFexgcdErr90REQUIRES_VIOLATION, DUPFFexgcdErr2REQUIRES_VIOLATION, DUPFFexgcdErr44REQUIRES_VIOLATION, DUPFFexgcdErr25REQUIRES_VIOLATION, DUPFFexgcdErr67REQUIRES_VIOLATION, DUPFFexgcdErr21REQUIRES_VIOLATION, DUPFFexgcdErr63REQUIRES_VIOLATION, DUPFFexgcdErr86REQUIRES_VIOLATION, DUPFFexgcdErr82REQUIRES_VIOLATION, DUPFFexgcdErr36REQUIRES_VIOLATION, DUPFFexgcdErr17REQUIRES_VIOLATION, DUPFFexgcdErr59REQUIRES_VIOLATION, DUPFFexgcdErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr13REQUIRES_VIOLATION, DUPFFexgcdErr55REQUIRES_VIOLATION, DUPFFexgcdErr78REQUIRES_VIOLATION, DUPFFexgcdErr74REQUIRES_VIOLATION, DUPFFexgcdErr97REQUIRES_VIOLATION, DUPFFexgcdErr32REQUIRES_VIOLATION, DUPFFexgcdErr28REQUIRES_VIOLATION, DUPFFexgcdErr9REQUIRES_VIOLATION, DUPFFexgcdErr51REQUIRES_VIOLATION, DUPFFexgcdErr93REQUIRES_VIOLATION, DUPFFexgcdErr5REQUIRES_VIOLATION, DUPFFexgcdErr47REQUIRES_VIOLATION, DUPFFexgcdErr70REQUIRES_VIOLATION, DUPFFexgcdErr66REQUIRES_VIOLATION, DUPFFexgcdErr89REQUIRES_VIOLATION, DUPFFexgcdErr24REQUIRES_VIOLATION, DUPFFexgcdErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr85REQUIRES_VIOLATION, DUPFFexgcdErr20REQUIRES_VIOLATION, DUPFFexgcdErr1REQUIRES_VIOLATION, DUPFFexgcdErr43REQUIRES_VIOLATION, DUPFFexgcdErr39REQUIRES_VIOLATION, DUPFFexgcdErr62REQUIRES_VIOLATION, DUPFFexgcdErr58REQUIRES_VIOLATION, DUPFFexgcdErr16REQUIRES_VIOLATION, DUPFFexgcdErr81REQUIRES_VIOLATION, DUPFFexgcdErr12REQUIRES_VIOLATION, DUPFFexgcdErr77REQUIRES_VIOLATION, DUPFFexgcdErr35REQUIRES_VIOLATION, DUPFFexgcdErr31REQUIRES_VIOLATION, DUPFFexgcdErr96REQUIRES_VIOLATION, DUPFFexgcdErr54REQUIRES_VIOLATION, DUPFFexgcdErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr50REQUIRES_VIOLATION, DUPFFexgcdErr8REQUIRES_VIOLATION, DUPFFexgcdErr73REQUIRES_VIOLATION, DUPFFexgcdErr92REQUIRES_VIOLATION, DUPFFexgcdErr4REQUIRES_VIOLATION, DUPFFexgcdErr69REQUIRES_VIOLATION, DUPFFexgcdErr27REQUIRES_VIOLATION, DUPFFexgcdErr88REQUIRES_VIOLATION, DUPFFexgcdErr46REQUIRES_VIOLATION, DUPFFexgcdErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr42REQUIRES_VIOLATION, DUPFFexgcdErr84REQUIRES_VIOLATION, DUPFFexgcdErr0REQUIRES_VIOLATION, DUPFFexgcdErr61REQUIRES_VIOLATION, DUPFFexgcdErr19REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION]=== [2019-10-22 11:27:35,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:35,901 INFO L82 PathProgramCache]: Analyzing trace with hash 375104590, now seen corresponding path program 1 times [2019-10-22 11:27:35,901 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:35,902 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25129263] [2019-10-22 11:27:35,902 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:35,902 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:35,902 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:35,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:36,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:36,001 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25129263] [2019-10-22 11:27:36,001 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:36,001 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:27:36,002 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659309687] [2019-10-22 11:27:36,002 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:27:36,002 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:36,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:27:36,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:27:36,003 INFO L87 Difference]: Start difference. First operand 305 states and 325 transitions. Second operand 4 states. [2019-10-22 11:27:36,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:36,267 INFO L93 Difference]: Finished difference Result 297 states and 317 transitions. [2019-10-22 11:27:36,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:27:36,268 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2019-10-22 11:27:36,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:36,269 INFO L225 Difference]: With dead ends: 297 [2019-10-22 11:27:36,269 INFO L226 Difference]: Without dead ends: 297 [2019-10-22 11:27:36,270 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:27:36,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2019-10-22 11:27:36,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 293. [2019-10-22 11:27:36,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2019-10-22 11:27:36,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 313 transitions. [2019-10-22 11:27:36,281 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 313 transitions. Word has length 5 [2019-10-22 11:27:36,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:36,282 INFO L462 AbstractCegarLoop]: Abstraction has 293 states and 313 transitions. [2019-10-22 11:27:36,282 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:27:36,282 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 313 transitions. [2019-10-22 11:27:36,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 11:27:36,282 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:36,282 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:36,283 INFO L410 AbstractCegarLoop]: === Iteration 4 === [DUPFFexgcdErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr15REQUIRES_VIOLATION, DUPFFexgcdErr38REQUIRES_VIOLATION, DUPFFexgcdErr80REQUIRES_VIOLATION, DUPFFexgcdErr34REQUIRES_VIOLATION, DUPFFexgcdErr76REQUIRES_VIOLATION, DUPFFexgcdErr57REQUIRES_VIOLATION, DUPFFexgcdErr11REQUIRES_VIOLATION, DUPFFexgcdErr95REQUIRES_VIOLATION, DUPFFexgcdErr7REQUIRES_VIOLATION, DUPFFexgcdErr30REQUIRES_VIOLATION, DUPFFexgcdErr72REQUIRES_VIOLATION, DUPFFexgcdErr91REQUIRES_VIOLATION, DUPFFexgcdErr26REQUIRES_VIOLATION, DUPFFexgcdErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr68REQUIRES_VIOLATION, DUPFFexgcdErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr49REQUIRES_VIOLATION, DUPFFexgcdErr45REQUIRES_VIOLATION, DUPFFexgcdErr87REQUIRES_VIOLATION, DUPFFexgcdErr3REQUIRES_VIOLATION, DUPFFexgcdErr18REQUIRES_VIOLATION, DUPFFexgcdErr60REQUIRES_VIOLATION, DUPFFexgcdErr83REQUIRES_VIOLATION, DUPFFexgcdErr37REQUIRES_VIOLATION, DUPFFexgcdErr79REQUIRES_VIOLATION, DUPFFexgcdErr14REQUIRES_VIOLATION, DUPFFexgcdErr56REQUIRES_VIOLATION, DUPFFexgcdErr10REQUIRES_VIOLATION, DUPFFexgcdErr33REQUIRES_VIOLATION, DUPFFexgcdErr75REQUIRES_VIOLATION, DUPFFexgcdErr29REQUIRES_VIOLATION, DUPFFexgcdErr71REQUIRES_VIOLATION, DUPFFexgcdErr94REQUIRES_VIOLATION, DUPFFexgcdErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr6REQUIRES_VIOLATION, DUPFFexgcdErr48REQUIRES_VIOLATION, DUPFFexgcdErr90REQUIRES_VIOLATION, DUPFFexgcdErr2REQUIRES_VIOLATION, DUPFFexgcdErr44REQUIRES_VIOLATION, DUPFFexgcdErr25REQUIRES_VIOLATION, DUPFFexgcdErr67REQUIRES_VIOLATION, DUPFFexgcdErr21REQUIRES_VIOLATION, DUPFFexgcdErr63REQUIRES_VIOLATION, DUPFFexgcdErr86REQUIRES_VIOLATION, DUPFFexgcdErr82REQUIRES_VIOLATION, DUPFFexgcdErr36REQUIRES_VIOLATION, DUPFFexgcdErr17REQUIRES_VIOLATION, DUPFFexgcdErr59REQUIRES_VIOLATION, DUPFFexgcdErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr13REQUIRES_VIOLATION, DUPFFexgcdErr55REQUIRES_VIOLATION, DUPFFexgcdErr78REQUIRES_VIOLATION, DUPFFexgcdErr74REQUIRES_VIOLATION, DUPFFexgcdErr97REQUIRES_VIOLATION, DUPFFexgcdErr32REQUIRES_VIOLATION, DUPFFexgcdErr28REQUIRES_VIOLATION, DUPFFexgcdErr9REQUIRES_VIOLATION, DUPFFexgcdErr51REQUIRES_VIOLATION, DUPFFexgcdErr93REQUIRES_VIOLATION, DUPFFexgcdErr5REQUIRES_VIOLATION, DUPFFexgcdErr47REQUIRES_VIOLATION, DUPFFexgcdErr70REQUIRES_VIOLATION, DUPFFexgcdErr66REQUIRES_VIOLATION, DUPFFexgcdErr89REQUIRES_VIOLATION, DUPFFexgcdErr24REQUIRES_VIOLATION, DUPFFexgcdErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr85REQUIRES_VIOLATION, DUPFFexgcdErr20REQUIRES_VIOLATION, DUPFFexgcdErr1REQUIRES_VIOLATION, DUPFFexgcdErr43REQUIRES_VIOLATION, DUPFFexgcdErr39REQUIRES_VIOLATION, DUPFFexgcdErr62REQUIRES_VIOLATION, DUPFFexgcdErr58REQUIRES_VIOLATION, DUPFFexgcdErr16REQUIRES_VIOLATION, DUPFFexgcdErr81REQUIRES_VIOLATION, DUPFFexgcdErr12REQUIRES_VIOLATION, DUPFFexgcdErr77REQUIRES_VIOLATION, DUPFFexgcdErr35REQUIRES_VIOLATION, DUPFFexgcdErr31REQUIRES_VIOLATION, DUPFFexgcdErr96REQUIRES_VIOLATION, DUPFFexgcdErr54REQUIRES_VIOLATION, DUPFFexgcdErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr50REQUIRES_VIOLATION, DUPFFexgcdErr8REQUIRES_VIOLATION, DUPFFexgcdErr73REQUIRES_VIOLATION, DUPFFexgcdErr92REQUIRES_VIOLATION, DUPFFexgcdErr4REQUIRES_VIOLATION, DUPFFexgcdErr69REQUIRES_VIOLATION, DUPFFexgcdErr27REQUIRES_VIOLATION, DUPFFexgcdErr88REQUIRES_VIOLATION, DUPFFexgcdErr46REQUIRES_VIOLATION, DUPFFexgcdErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr42REQUIRES_VIOLATION, DUPFFexgcdErr84REQUIRES_VIOLATION, DUPFFexgcdErr0REQUIRES_VIOLATION, DUPFFexgcdErr61REQUIRES_VIOLATION, DUPFFexgcdErr19REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION]=== [2019-10-22 11:27:36,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:36,283 INFO L82 PathProgramCache]: Analyzing trace with hash -763750612, now seen corresponding path program 1 times [2019-10-22 11:27:36,284 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:36,284 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396334480] [2019-10-22 11:27:36,284 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:36,285 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:36,285 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:36,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:36,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:36,371 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396334480] [2019-10-22 11:27:36,371 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:36,371 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:27:36,371 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591980129] [2019-10-22 11:27:36,371 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:27:36,372 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:36,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:27:36,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:27:36,372 INFO L87 Difference]: Start difference. First operand 293 states and 313 transitions. Second operand 6 states. [2019-10-22 11:27:37,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:37,111 INFO L93 Difference]: Finished difference Result 365 states and 390 transitions. [2019-10-22 11:27:37,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-22 11:27:37,113 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 [2019-10-22 11:27:37,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:37,115 INFO L225 Difference]: With dead ends: 365 [2019-10-22 11:27:37,115 INFO L226 Difference]: Without dead ends: 365 [2019-10-22 11:27:37,116 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2019-10-22 11:27:37,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2019-10-22 11:27:37,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 291. [2019-10-22 11:27:37,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2019-10-22 11:27:37,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 311 transitions. [2019-10-22 11:27:37,133 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 311 transitions. Word has length 8 [2019-10-22 11:27:37,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:37,133 INFO L462 AbstractCegarLoop]: Abstraction has 291 states and 311 transitions. [2019-10-22 11:27:37,134 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:27:37,134 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 311 transitions. [2019-10-22 11:27:37,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 11:27:37,134 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:37,134 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:37,135 INFO L410 AbstractCegarLoop]: === Iteration 5 === [DUPFFexgcdErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr15REQUIRES_VIOLATION, DUPFFexgcdErr38REQUIRES_VIOLATION, DUPFFexgcdErr80REQUIRES_VIOLATION, DUPFFexgcdErr34REQUIRES_VIOLATION, DUPFFexgcdErr76REQUIRES_VIOLATION, DUPFFexgcdErr57REQUIRES_VIOLATION, DUPFFexgcdErr11REQUIRES_VIOLATION, DUPFFexgcdErr95REQUIRES_VIOLATION, DUPFFexgcdErr7REQUIRES_VIOLATION, DUPFFexgcdErr30REQUIRES_VIOLATION, DUPFFexgcdErr72REQUIRES_VIOLATION, DUPFFexgcdErr91REQUIRES_VIOLATION, DUPFFexgcdErr26REQUIRES_VIOLATION, DUPFFexgcdErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr68REQUIRES_VIOLATION, DUPFFexgcdErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr49REQUIRES_VIOLATION, DUPFFexgcdErr45REQUIRES_VIOLATION, DUPFFexgcdErr87REQUIRES_VIOLATION, DUPFFexgcdErr3REQUIRES_VIOLATION, DUPFFexgcdErr18REQUIRES_VIOLATION, DUPFFexgcdErr60REQUIRES_VIOLATION, DUPFFexgcdErr83REQUIRES_VIOLATION, DUPFFexgcdErr37REQUIRES_VIOLATION, DUPFFexgcdErr79REQUIRES_VIOLATION, DUPFFexgcdErr14REQUIRES_VIOLATION, DUPFFexgcdErr56REQUIRES_VIOLATION, DUPFFexgcdErr10REQUIRES_VIOLATION, DUPFFexgcdErr33REQUIRES_VIOLATION, DUPFFexgcdErr75REQUIRES_VIOLATION, DUPFFexgcdErr29REQUIRES_VIOLATION, DUPFFexgcdErr71REQUIRES_VIOLATION, DUPFFexgcdErr94REQUIRES_VIOLATION, DUPFFexgcdErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr6REQUIRES_VIOLATION, DUPFFexgcdErr48REQUIRES_VIOLATION, DUPFFexgcdErr90REQUIRES_VIOLATION, DUPFFexgcdErr2REQUIRES_VIOLATION, DUPFFexgcdErr44REQUIRES_VIOLATION, DUPFFexgcdErr25REQUIRES_VIOLATION, DUPFFexgcdErr67REQUIRES_VIOLATION, DUPFFexgcdErr21REQUIRES_VIOLATION, DUPFFexgcdErr63REQUIRES_VIOLATION, DUPFFexgcdErr86REQUIRES_VIOLATION, DUPFFexgcdErr82REQUIRES_VIOLATION, DUPFFexgcdErr36REQUIRES_VIOLATION, DUPFFexgcdErr17REQUIRES_VIOLATION, DUPFFexgcdErr59REQUIRES_VIOLATION, DUPFFexgcdErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr13REQUIRES_VIOLATION, DUPFFexgcdErr55REQUIRES_VIOLATION, DUPFFexgcdErr78REQUIRES_VIOLATION, DUPFFexgcdErr74REQUIRES_VIOLATION, DUPFFexgcdErr97REQUIRES_VIOLATION, DUPFFexgcdErr32REQUIRES_VIOLATION, DUPFFexgcdErr28REQUIRES_VIOLATION, DUPFFexgcdErr9REQUIRES_VIOLATION, DUPFFexgcdErr51REQUIRES_VIOLATION, DUPFFexgcdErr93REQUIRES_VIOLATION, DUPFFexgcdErr5REQUIRES_VIOLATION, DUPFFexgcdErr47REQUIRES_VIOLATION, DUPFFexgcdErr70REQUIRES_VIOLATION, DUPFFexgcdErr66REQUIRES_VIOLATION, DUPFFexgcdErr89REQUIRES_VIOLATION, DUPFFexgcdErr24REQUIRES_VIOLATION, DUPFFexgcdErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr85REQUIRES_VIOLATION, DUPFFexgcdErr20REQUIRES_VIOLATION, DUPFFexgcdErr1REQUIRES_VIOLATION, DUPFFexgcdErr43REQUIRES_VIOLATION, DUPFFexgcdErr39REQUIRES_VIOLATION, DUPFFexgcdErr62REQUIRES_VIOLATION, DUPFFexgcdErr58REQUIRES_VIOLATION, DUPFFexgcdErr16REQUIRES_VIOLATION, DUPFFexgcdErr81REQUIRES_VIOLATION, DUPFFexgcdErr12REQUIRES_VIOLATION, DUPFFexgcdErr77REQUIRES_VIOLATION, DUPFFexgcdErr35REQUIRES_VIOLATION, DUPFFexgcdErr31REQUIRES_VIOLATION, DUPFFexgcdErr96REQUIRES_VIOLATION, DUPFFexgcdErr54REQUIRES_VIOLATION, DUPFFexgcdErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr50REQUIRES_VIOLATION, DUPFFexgcdErr8REQUIRES_VIOLATION, DUPFFexgcdErr73REQUIRES_VIOLATION, DUPFFexgcdErr92REQUIRES_VIOLATION, DUPFFexgcdErr4REQUIRES_VIOLATION, DUPFFexgcdErr69REQUIRES_VIOLATION, DUPFFexgcdErr27REQUIRES_VIOLATION, DUPFFexgcdErr88REQUIRES_VIOLATION, DUPFFexgcdErr46REQUIRES_VIOLATION, DUPFFexgcdErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr42REQUIRES_VIOLATION, DUPFFexgcdErr84REQUIRES_VIOLATION, DUPFFexgcdErr0REQUIRES_VIOLATION, DUPFFexgcdErr61REQUIRES_VIOLATION, DUPFFexgcdErr19REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION]=== [2019-10-22 11:27:37,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:37,135 INFO L82 PathProgramCache]: Analyzing trace with hash 2093535216, now seen corresponding path program 1 times [2019-10-22 11:27:37,136 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:37,136 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351350629] [2019-10-22 11:27:37,136 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:37,137 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:37,137 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:37,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:37,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:37,270 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351350629] [2019-10-22 11:27:37,270 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:37,270 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:27:37,270 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183672499] [2019-10-22 11:27:37,271 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:27:37,271 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:37,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:27:37,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:27:37,272 INFO L87 Difference]: Start difference. First operand 291 states and 311 transitions. Second operand 6 states. [2019-10-22 11:27:38,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:38,128 INFO L93 Difference]: Finished difference Result 343 states and 366 transitions. [2019-10-22 11:27:38,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:27:38,131 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2019-10-22 11:27:38,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:38,132 INFO L225 Difference]: With dead ends: 343 [2019-10-22 11:27:38,132 INFO L226 Difference]: Without dead ends: 343 [2019-10-22 11:27:38,133 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2019-10-22 11:27:38,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2019-10-22 11:27:38,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 289. [2019-10-22 11:27:38,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 289 states. [2019-10-22 11:27:38,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 309 transitions. [2019-10-22 11:27:38,143 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 309 transitions. Word has length 9 [2019-10-22 11:27:38,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:38,143 INFO L462 AbstractCegarLoop]: Abstraction has 289 states and 309 transitions. [2019-10-22 11:27:38,143 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:27:38,143 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 309 transitions. [2019-10-22 11:27:38,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 11:27:38,144 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:38,144 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:38,145 INFO L410 AbstractCegarLoop]: === Iteration 6 === [DUPFFexgcdErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr15REQUIRES_VIOLATION, DUPFFexgcdErr38REQUIRES_VIOLATION, DUPFFexgcdErr80REQUIRES_VIOLATION, DUPFFexgcdErr34REQUIRES_VIOLATION, DUPFFexgcdErr76REQUIRES_VIOLATION, DUPFFexgcdErr57REQUIRES_VIOLATION, DUPFFexgcdErr11REQUIRES_VIOLATION, DUPFFexgcdErr95REQUIRES_VIOLATION, DUPFFexgcdErr7REQUIRES_VIOLATION, DUPFFexgcdErr30REQUIRES_VIOLATION, DUPFFexgcdErr72REQUIRES_VIOLATION, DUPFFexgcdErr91REQUIRES_VIOLATION, DUPFFexgcdErr26REQUIRES_VIOLATION, DUPFFexgcdErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr68REQUIRES_VIOLATION, DUPFFexgcdErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr49REQUIRES_VIOLATION, DUPFFexgcdErr45REQUIRES_VIOLATION, DUPFFexgcdErr87REQUIRES_VIOLATION, DUPFFexgcdErr3REQUIRES_VIOLATION, DUPFFexgcdErr18REQUIRES_VIOLATION, DUPFFexgcdErr60REQUIRES_VIOLATION, DUPFFexgcdErr83REQUIRES_VIOLATION, DUPFFexgcdErr37REQUIRES_VIOLATION, DUPFFexgcdErr79REQUIRES_VIOLATION, DUPFFexgcdErr14REQUIRES_VIOLATION, DUPFFexgcdErr56REQUIRES_VIOLATION, DUPFFexgcdErr10REQUIRES_VIOLATION, DUPFFexgcdErr33REQUIRES_VIOLATION, DUPFFexgcdErr75REQUIRES_VIOLATION, DUPFFexgcdErr29REQUIRES_VIOLATION, DUPFFexgcdErr71REQUIRES_VIOLATION, DUPFFexgcdErr94REQUIRES_VIOLATION, DUPFFexgcdErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr6REQUIRES_VIOLATION, DUPFFexgcdErr48REQUIRES_VIOLATION, DUPFFexgcdErr90REQUIRES_VIOLATION, DUPFFexgcdErr2REQUIRES_VIOLATION, DUPFFexgcdErr44REQUIRES_VIOLATION, DUPFFexgcdErr25REQUIRES_VIOLATION, DUPFFexgcdErr67REQUIRES_VIOLATION, DUPFFexgcdErr21REQUIRES_VIOLATION, DUPFFexgcdErr63REQUIRES_VIOLATION, DUPFFexgcdErr86REQUIRES_VIOLATION, DUPFFexgcdErr82REQUIRES_VIOLATION, DUPFFexgcdErr36REQUIRES_VIOLATION, DUPFFexgcdErr17REQUIRES_VIOLATION, DUPFFexgcdErr59REQUIRES_VIOLATION, DUPFFexgcdErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr13REQUIRES_VIOLATION, DUPFFexgcdErr55REQUIRES_VIOLATION, DUPFFexgcdErr78REQUIRES_VIOLATION, DUPFFexgcdErr74REQUIRES_VIOLATION, DUPFFexgcdErr97REQUIRES_VIOLATION, DUPFFexgcdErr32REQUIRES_VIOLATION, DUPFFexgcdErr28REQUIRES_VIOLATION, DUPFFexgcdErr9REQUIRES_VIOLATION, DUPFFexgcdErr51REQUIRES_VIOLATION, DUPFFexgcdErr93REQUIRES_VIOLATION, DUPFFexgcdErr5REQUIRES_VIOLATION, DUPFFexgcdErr47REQUIRES_VIOLATION, DUPFFexgcdErr70REQUIRES_VIOLATION, DUPFFexgcdErr66REQUIRES_VIOLATION, DUPFFexgcdErr89REQUIRES_VIOLATION, DUPFFexgcdErr24REQUIRES_VIOLATION, DUPFFexgcdErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr85REQUIRES_VIOLATION, DUPFFexgcdErr20REQUIRES_VIOLATION, DUPFFexgcdErr1REQUIRES_VIOLATION, DUPFFexgcdErr43REQUIRES_VIOLATION, DUPFFexgcdErr39REQUIRES_VIOLATION, DUPFFexgcdErr62REQUIRES_VIOLATION, DUPFFexgcdErr58REQUIRES_VIOLATION, DUPFFexgcdErr16REQUIRES_VIOLATION, DUPFFexgcdErr81REQUIRES_VIOLATION, DUPFFexgcdErr12REQUIRES_VIOLATION, DUPFFexgcdErr77REQUIRES_VIOLATION, DUPFFexgcdErr35REQUIRES_VIOLATION, DUPFFexgcdErr31REQUIRES_VIOLATION, DUPFFexgcdErr96REQUIRES_VIOLATION, DUPFFexgcdErr54REQUIRES_VIOLATION, DUPFFexgcdErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr50REQUIRES_VIOLATION, DUPFFexgcdErr8REQUIRES_VIOLATION, DUPFFexgcdErr73REQUIRES_VIOLATION, DUPFFexgcdErr92REQUIRES_VIOLATION, DUPFFexgcdErr4REQUIRES_VIOLATION, DUPFFexgcdErr69REQUIRES_VIOLATION, DUPFFexgcdErr27REQUIRES_VIOLATION, DUPFFexgcdErr88REQUIRES_VIOLATION, DUPFFexgcdErr46REQUIRES_VIOLATION, DUPFFexgcdErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr42REQUIRES_VIOLATION, DUPFFexgcdErr84REQUIRES_VIOLATION, DUPFFexgcdErr0REQUIRES_VIOLATION, DUPFFexgcdErr61REQUIRES_VIOLATION, DUPFFexgcdErr19REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION]=== [2019-10-22 11:27:38,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:38,145 INFO L82 PathProgramCache]: Analyzing trace with hash -1579225198, now seen corresponding path program 1 times [2019-10-22 11:27:38,146 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:38,146 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760347764] [2019-10-22 11:27:38,146 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:38,146 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:38,146 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:38,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:38,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:38,220 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760347764] [2019-10-22 11:27:38,220 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:38,220 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:27:38,220 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829752365] [2019-10-22 11:27:38,221 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:27:38,221 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:38,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:27:38,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:27:38,221 INFO L87 Difference]: Start difference. First operand 289 states and 309 transitions. Second operand 3 states. [2019-10-22 11:27:38,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:38,242 INFO L93 Difference]: Finished difference Result 289 states and 308 transitions. [2019-10-22 11:27:38,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:27:38,243 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-10-22 11:27:38,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:38,244 INFO L225 Difference]: With dead ends: 289 [2019-10-22 11:27:38,244 INFO L226 Difference]: Without dead ends: 289 [2019-10-22 11:27:38,244 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:27:38,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2019-10-22 11:27:38,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 289. [2019-10-22 11:27:38,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 289 states. [2019-10-22 11:27:38,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 308 transitions. [2019-10-22 11:27:38,256 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 308 transitions. Word has length 9 [2019-10-22 11:27:38,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:38,257 INFO L462 AbstractCegarLoop]: Abstraction has 289 states and 308 transitions. [2019-10-22 11:27:38,257 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:27:38,257 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 308 transitions. [2019-10-22 11:27:38,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:27:38,257 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:38,258 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:38,258 INFO L410 AbstractCegarLoop]: === Iteration 7 === [DUPFFexgcdErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr15REQUIRES_VIOLATION, DUPFFexgcdErr38REQUIRES_VIOLATION, DUPFFexgcdErr80REQUIRES_VIOLATION, DUPFFexgcdErr34REQUIRES_VIOLATION, DUPFFexgcdErr76REQUIRES_VIOLATION, DUPFFexgcdErr57REQUIRES_VIOLATION, DUPFFexgcdErr11REQUIRES_VIOLATION, DUPFFexgcdErr95REQUIRES_VIOLATION, DUPFFexgcdErr7REQUIRES_VIOLATION, DUPFFexgcdErr30REQUIRES_VIOLATION, DUPFFexgcdErr72REQUIRES_VIOLATION, DUPFFexgcdErr91REQUIRES_VIOLATION, DUPFFexgcdErr26REQUIRES_VIOLATION, DUPFFexgcdErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr68REQUIRES_VIOLATION, DUPFFexgcdErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr49REQUIRES_VIOLATION, DUPFFexgcdErr45REQUIRES_VIOLATION, DUPFFexgcdErr87REQUIRES_VIOLATION, DUPFFexgcdErr3REQUIRES_VIOLATION, DUPFFexgcdErr18REQUIRES_VIOLATION, DUPFFexgcdErr60REQUIRES_VIOLATION, DUPFFexgcdErr83REQUIRES_VIOLATION, DUPFFexgcdErr37REQUIRES_VIOLATION, DUPFFexgcdErr79REQUIRES_VIOLATION, DUPFFexgcdErr14REQUIRES_VIOLATION, DUPFFexgcdErr56REQUIRES_VIOLATION, DUPFFexgcdErr10REQUIRES_VIOLATION, DUPFFexgcdErr33REQUIRES_VIOLATION, DUPFFexgcdErr75REQUIRES_VIOLATION, DUPFFexgcdErr29REQUIRES_VIOLATION, DUPFFexgcdErr71REQUIRES_VIOLATION, DUPFFexgcdErr94REQUIRES_VIOLATION, DUPFFexgcdErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr6REQUIRES_VIOLATION, DUPFFexgcdErr48REQUIRES_VIOLATION, DUPFFexgcdErr90REQUIRES_VIOLATION, DUPFFexgcdErr2REQUIRES_VIOLATION, DUPFFexgcdErr44REQUIRES_VIOLATION, DUPFFexgcdErr25REQUIRES_VIOLATION, DUPFFexgcdErr67REQUIRES_VIOLATION, DUPFFexgcdErr21REQUIRES_VIOLATION, DUPFFexgcdErr63REQUIRES_VIOLATION, DUPFFexgcdErr86REQUIRES_VIOLATION, DUPFFexgcdErr82REQUIRES_VIOLATION, DUPFFexgcdErr36REQUIRES_VIOLATION, DUPFFexgcdErr17REQUIRES_VIOLATION, DUPFFexgcdErr59REQUIRES_VIOLATION, DUPFFexgcdErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr13REQUIRES_VIOLATION, DUPFFexgcdErr55REQUIRES_VIOLATION, DUPFFexgcdErr78REQUIRES_VIOLATION, DUPFFexgcdErr74REQUIRES_VIOLATION, DUPFFexgcdErr97REQUIRES_VIOLATION, DUPFFexgcdErr32REQUIRES_VIOLATION, DUPFFexgcdErr28REQUIRES_VIOLATION, DUPFFexgcdErr9REQUIRES_VIOLATION, DUPFFexgcdErr51REQUIRES_VIOLATION, DUPFFexgcdErr93REQUIRES_VIOLATION, DUPFFexgcdErr5REQUIRES_VIOLATION, DUPFFexgcdErr47REQUIRES_VIOLATION, DUPFFexgcdErr70REQUIRES_VIOLATION, DUPFFexgcdErr66REQUIRES_VIOLATION, DUPFFexgcdErr89REQUIRES_VIOLATION, DUPFFexgcdErr24REQUIRES_VIOLATION, DUPFFexgcdErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr85REQUIRES_VIOLATION, DUPFFexgcdErr20REQUIRES_VIOLATION, DUPFFexgcdErr1REQUIRES_VIOLATION, DUPFFexgcdErr43REQUIRES_VIOLATION, DUPFFexgcdErr39REQUIRES_VIOLATION, DUPFFexgcdErr62REQUIRES_VIOLATION, DUPFFexgcdErr58REQUIRES_VIOLATION, DUPFFexgcdErr16REQUIRES_VIOLATION, DUPFFexgcdErr81REQUIRES_VIOLATION, DUPFFexgcdErr12REQUIRES_VIOLATION, DUPFFexgcdErr77REQUIRES_VIOLATION, DUPFFexgcdErr35REQUIRES_VIOLATION, DUPFFexgcdErr31REQUIRES_VIOLATION, DUPFFexgcdErr96REQUIRES_VIOLATION, DUPFFexgcdErr54REQUIRES_VIOLATION, DUPFFexgcdErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr50REQUIRES_VIOLATION, DUPFFexgcdErr8REQUIRES_VIOLATION, DUPFFexgcdErr73REQUIRES_VIOLATION, DUPFFexgcdErr92REQUIRES_VIOLATION, DUPFFexgcdErr4REQUIRES_VIOLATION, DUPFFexgcdErr69REQUIRES_VIOLATION, DUPFFexgcdErr27REQUIRES_VIOLATION, DUPFFexgcdErr88REQUIRES_VIOLATION, DUPFFexgcdErr46REQUIRES_VIOLATION, DUPFFexgcdErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr42REQUIRES_VIOLATION, DUPFFexgcdErr84REQUIRES_VIOLATION, DUPFFexgcdErr0REQUIRES_VIOLATION, DUPFFexgcdErr61REQUIRES_VIOLATION, DUPFFexgcdErr19REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION]=== [2019-10-22 11:27:38,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:38,259 INFO L82 PathProgramCache]: Analyzing trace with hash -849734820, now seen corresponding path program 1 times [2019-10-22 11:27:38,259 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:38,259 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294679716] [2019-10-22 11:27:38,259 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:38,259 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:38,259 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:38,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:38,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:38,345 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294679716] [2019-10-22 11:27:38,345 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:38,345 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:27:38,345 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36446439] [2019-10-22 11:27:38,346 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:27:38,346 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:38,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:27:38,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:27:38,346 INFO L87 Difference]: Start difference. First operand 289 states and 308 transitions. Second operand 5 states. [2019-10-22 11:27:38,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:38,715 INFO L93 Difference]: Finished difference Result 287 states and 306 transitions. [2019-10-22 11:27:38,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:27:38,716 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-10-22 11:27:38,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:38,717 INFO L225 Difference]: With dead ends: 287 [2019-10-22 11:27:38,717 INFO L226 Difference]: Without dead ends: 287 [2019-10-22 11:27:38,718 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:27:38,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2019-10-22 11:27:38,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 287. [2019-10-22 11:27:38,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2019-10-22 11:27:38,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 306 transitions. [2019-10-22 11:27:38,725 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 306 transitions. Word has length 16 [2019-10-22 11:27:38,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:38,726 INFO L462 AbstractCegarLoop]: Abstraction has 287 states and 306 transitions. [2019-10-22 11:27:38,726 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:27:38,726 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 306 transitions. [2019-10-22 11:27:38,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:27:38,726 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:38,726 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:38,727 INFO L410 AbstractCegarLoop]: === Iteration 8 === [DUPFFexgcdErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr15REQUIRES_VIOLATION, DUPFFexgcdErr38REQUIRES_VIOLATION, DUPFFexgcdErr80REQUIRES_VIOLATION, DUPFFexgcdErr34REQUIRES_VIOLATION, DUPFFexgcdErr76REQUIRES_VIOLATION, DUPFFexgcdErr57REQUIRES_VIOLATION, DUPFFexgcdErr11REQUIRES_VIOLATION, DUPFFexgcdErr95REQUIRES_VIOLATION, DUPFFexgcdErr7REQUIRES_VIOLATION, DUPFFexgcdErr30REQUIRES_VIOLATION, DUPFFexgcdErr72REQUIRES_VIOLATION, DUPFFexgcdErr91REQUIRES_VIOLATION, DUPFFexgcdErr26REQUIRES_VIOLATION, DUPFFexgcdErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr68REQUIRES_VIOLATION, DUPFFexgcdErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr49REQUIRES_VIOLATION, DUPFFexgcdErr45REQUIRES_VIOLATION, DUPFFexgcdErr87REQUIRES_VIOLATION, DUPFFexgcdErr3REQUIRES_VIOLATION, DUPFFexgcdErr18REQUIRES_VIOLATION, DUPFFexgcdErr60REQUIRES_VIOLATION, DUPFFexgcdErr83REQUIRES_VIOLATION, DUPFFexgcdErr37REQUIRES_VIOLATION, DUPFFexgcdErr79REQUIRES_VIOLATION, DUPFFexgcdErr14REQUIRES_VIOLATION, DUPFFexgcdErr56REQUIRES_VIOLATION, DUPFFexgcdErr10REQUIRES_VIOLATION, DUPFFexgcdErr33REQUIRES_VIOLATION, DUPFFexgcdErr75REQUIRES_VIOLATION, DUPFFexgcdErr29REQUIRES_VIOLATION, DUPFFexgcdErr71REQUIRES_VIOLATION, DUPFFexgcdErr94REQUIRES_VIOLATION, DUPFFexgcdErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr6REQUIRES_VIOLATION, DUPFFexgcdErr48REQUIRES_VIOLATION, DUPFFexgcdErr90REQUIRES_VIOLATION, DUPFFexgcdErr2REQUIRES_VIOLATION, DUPFFexgcdErr44REQUIRES_VIOLATION, DUPFFexgcdErr25REQUIRES_VIOLATION, DUPFFexgcdErr67REQUIRES_VIOLATION, DUPFFexgcdErr21REQUIRES_VIOLATION, DUPFFexgcdErr63REQUIRES_VIOLATION, DUPFFexgcdErr86REQUIRES_VIOLATION, DUPFFexgcdErr82REQUIRES_VIOLATION, DUPFFexgcdErr36REQUIRES_VIOLATION, DUPFFexgcdErr17REQUIRES_VIOLATION, DUPFFexgcdErr59REQUIRES_VIOLATION, DUPFFexgcdErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr13REQUIRES_VIOLATION, DUPFFexgcdErr55REQUIRES_VIOLATION, DUPFFexgcdErr78REQUIRES_VIOLATION, DUPFFexgcdErr74REQUIRES_VIOLATION, DUPFFexgcdErr97REQUIRES_VIOLATION, DUPFFexgcdErr32REQUIRES_VIOLATION, DUPFFexgcdErr28REQUIRES_VIOLATION, DUPFFexgcdErr9REQUIRES_VIOLATION, DUPFFexgcdErr51REQUIRES_VIOLATION, DUPFFexgcdErr93REQUIRES_VIOLATION, DUPFFexgcdErr5REQUIRES_VIOLATION, DUPFFexgcdErr47REQUIRES_VIOLATION, DUPFFexgcdErr70REQUIRES_VIOLATION, DUPFFexgcdErr66REQUIRES_VIOLATION, DUPFFexgcdErr89REQUIRES_VIOLATION, DUPFFexgcdErr24REQUIRES_VIOLATION, DUPFFexgcdErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr85REQUIRES_VIOLATION, DUPFFexgcdErr20REQUIRES_VIOLATION, DUPFFexgcdErr1REQUIRES_VIOLATION, DUPFFexgcdErr43REQUIRES_VIOLATION, DUPFFexgcdErr39REQUIRES_VIOLATION, DUPFFexgcdErr62REQUIRES_VIOLATION, DUPFFexgcdErr58REQUIRES_VIOLATION, DUPFFexgcdErr16REQUIRES_VIOLATION, DUPFFexgcdErr81REQUIRES_VIOLATION, DUPFFexgcdErr12REQUIRES_VIOLATION, DUPFFexgcdErr77REQUIRES_VIOLATION, DUPFFexgcdErr35REQUIRES_VIOLATION, DUPFFexgcdErr31REQUIRES_VIOLATION, DUPFFexgcdErr96REQUIRES_VIOLATION, DUPFFexgcdErr54REQUIRES_VIOLATION, DUPFFexgcdErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr50REQUIRES_VIOLATION, DUPFFexgcdErr8REQUIRES_VIOLATION, DUPFFexgcdErr73REQUIRES_VIOLATION, DUPFFexgcdErr92REQUIRES_VIOLATION, DUPFFexgcdErr4REQUIRES_VIOLATION, DUPFFexgcdErr69REQUIRES_VIOLATION, DUPFFexgcdErr27REQUIRES_VIOLATION, DUPFFexgcdErr88REQUIRES_VIOLATION, DUPFFexgcdErr46REQUIRES_VIOLATION, DUPFFexgcdErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr42REQUIRES_VIOLATION, DUPFFexgcdErr84REQUIRES_VIOLATION, DUPFFexgcdErr0REQUIRES_VIOLATION, DUPFFexgcdErr61REQUIRES_VIOLATION, DUPFFexgcdErr19REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION]=== [2019-10-22 11:27:38,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:38,727 INFO L82 PathProgramCache]: Analyzing trace with hash -849734819, now seen corresponding path program 1 times [2019-10-22 11:27:38,727 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:38,728 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802839392] [2019-10-22 11:27:38,728 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:38,728 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:38,728 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:38,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:38,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:38,811 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802839392] [2019-10-22 11:27:38,811 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:38,812 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:27:38,812 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920071009] [2019-10-22 11:27:38,812 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:27:38,812 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:38,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:27:38,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:27:38,813 INFO L87 Difference]: Start difference. First operand 287 states and 306 transitions. Second operand 6 states. [2019-10-22 11:27:39,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:39,175 INFO L93 Difference]: Finished difference Result 300 states and 320 transitions. [2019-10-22 11:27:39,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 11:27:39,181 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2019-10-22 11:27:39,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:39,182 INFO L225 Difference]: With dead ends: 300 [2019-10-22 11:27:39,182 INFO L226 Difference]: Without dead ends: 300 [2019-10-22 11:27:39,183 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:27:39,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2019-10-22 11:27:39,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 285. [2019-10-22 11:27:39,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 285 states. [2019-10-22 11:27:39,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 304 transitions. [2019-10-22 11:27:39,193 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 304 transitions. Word has length 16 [2019-10-22 11:27:39,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:39,195 INFO L462 AbstractCegarLoop]: Abstraction has 285 states and 304 transitions. [2019-10-22 11:27:39,195 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:27:39,195 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 304 transitions. [2019-10-22 11:27:39,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 11:27:39,196 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:39,196 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:39,196 INFO L410 AbstractCegarLoop]: === Iteration 9 === [DUPFFexgcdErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr15REQUIRES_VIOLATION, DUPFFexgcdErr38REQUIRES_VIOLATION, DUPFFexgcdErr80REQUIRES_VIOLATION, DUPFFexgcdErr34REQUIRES_VIOLATION, DUPFFexgcdErr76REQUIRES_VIOLATION, DUPFFexgcdErr57REQUIRES_VIOLATION, DUPFFexgcdErr11REQUIRES_VIOLATION, DUPFFexgcdErr95REQUIRES_VIOLATION, DUPFFexgcdErr7REQUIRES_VIOLATION, DUPFFexgcdErr30REQUIRES_VIOLATION, DUPFFexgcdErr72REQUIRES_VIOLATION, DUPFFexgcdErr91REQUIRES_VIOLATION, DUPFFexgcdErr26REQUIRES_VIOLATION, DUPFFexgcdErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr68REQUIRES_VIOLATION, DUPFFexgcdErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr49REQUIRES_VIOLATION, DUPFFexgcdErr45REQUIRES_VIOLATION, DUPFFexgcdErr87REQUIRES_VIOLATION, DUPFFexgcdErr3REQUIRES_VIOLATION, DUPFFexgcdErr18REQUIRES_VIOLATION, DUPFFexgcdErr60REQUIRES_VIOLATION, DUPFFexgcdErr83REQUIRES_VIOLATION, DUPFFexgcdErr37REQUIRES_VIOLATION, DUPFFexgcdErr79REQUIRES_VIOLATION, DUPFFexgcdErr14REQUIRES_VIOLATION, DUPFFexgcdErr56REQUIRES_VIOLATION, DUPFFexgcdErr10REQUIRES_VIOLATION, DUPFFexgcdErr33REQUIRES_VIOLATION, DUPFFexgcdErr75REQUIRES_VIOLATION, DUPFFexgcdErr29REQUIRES_VIOLATION, DUPFFexgcdErr71REQUIRES_VIOLATION, DUPFFexgcdErr94REQUIRES_VIOLATION, DUPFFexgcdErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr6REQUIRES_VIOLATION, DUPFFexgcdErr48REQUIRES_VIOLATION, DUPFFexgcdErr90REQUIRES_VIOLATION, DUPFFexgcdErr2REQUIRES_VIOLATION, DUPFFexgcdErr44REQUIRES_VIOLATION, DUPFFexgcdErr25REQUIRES_VIOLATION, DUPFFexgcdErr67REQUIRES_VIOLATION, DUPFFexgcdErr21REQUIRES_VIOLATION, DUPFFexgcdErr63REQUIRES_VIOLATION, DUPFFexgcdErr86REQUIRES_VIOLATION, DUPFFexgcdErr82REQUIRES_VIOLATION, DUPFFexgcdErr36REQUIRES_VIOLATION, DUPFFexgcdErr17REQUIRES_VIOLATION, DUPFFexgcdErr59REQUIRES_VIOLATION, DUPFFexgcdErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr13REQUIRES_VIOLATION, DUPFFexgcdErr55REQUIRES_VIOLATION, DUPFFexgcdErr78REQUIRES_VIOLATION, DUPFFexgcdErr74REQUIRES_VIOLATION, DUPFFexgcdErr97REQUIRES_VIOLATION, DUPFFexgcdErr32REQUIRES_VIOLATION, DUPFFexgcdErr28REQUIRES_VIOLATION, DUPFFexgcdErr9REQUIRES_VIOLATION, DUPFFexgcdErr51REQUIRES_VIOLATION, DUPFFexgcdErr93REQUIRES_VIOLATION, DUPFFexgcdErr5REQUIRES_VIOLATION, DUPFFexgcdErr47REQUIRES_VIOLATION, DUPFFexgcdErr70REQUIRES_VIOLATION, DUPFFexgcdErr66REQUIRES_VIOLATION, DUPFFexgcdErr89REQUIRES_VIOLATION, DUPFFexgcdErr24REQUIRES_VIOLATION, DUPFFexgcdErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr85REQUIRES_VIOLATION, DUPFFexgcdErr20REQUIRES_VIOLATION, DUPFFexgcdErr1REQUIRES_VIOLATION, DUPFFexgcdErr43REQUIRES_VIOLATION, DUPFFexgcdErr39REQUIRES_VIOLATION, DUPFFexgcdErr62REQUIRES_VIOLATION, DUPFFexgcdErr58REQUIRES_VIOLATION, DUPFFexgcdErr16REQUIRES_VIOLATION, DUPFFexgcdErr81REQUIRES_VIOLATION, DUPFFexgcdErr12REQUIRES_VIOLATION, DUPFFexgcdErr77REQUIRES_VIOLATION, DUPFFexgcdErr35REQUIRES_VIOLATION, DUPFFexgcdErr31REQUIRES_VIOLATION, DUPFFexgcdErr96REQUIRES_VIOLATION, DUPFFexgcdErr54REQUIRES_VIOLATION, DUPFFexgcdErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr50REQUIRES_VIOLATION, DUPFFexgcdErr8REQUIRES_VIOLATION, DUPFFexgcdErr73REQUIRES_VIOLATION, DUPFFexgcdErr92REQUIRES_VIOLATION, DUPFFexgcdErr4REQUIRES_VIOLATION, DUPFFexgcdErr69REQUIRES_VIOLATION, DUPFFexgcdErr27REQUIRES_VIOLATION, DUPFFexgcdErr88REQUIRES_VIOLATION, DUPFFexgcdErr46REQUIRES_VIOLATION, DUPFFexgcdErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr42REQUIRES_VIOLATION, DUPFFexgcdErr84REQUIRES_VIOLATION, DUPFFexgcdErr0REQUIRES_VIOLATION, DUPFFexgcdErr61REQUIRES_VIOLATION, DUPFFexgcdErr19REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION]=== [2019-10-22 11:27:39,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:39,197 INFO L82 PathProgramCache]: Analyzing trace with hash -571975268, now seen corresponding path program 1 times [2019-10-22 11:27:39,197 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:39,197 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861627906] [2019-10-22 11:27:39,197 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:39,197 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:39,198 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:39,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:39,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:39,265 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861627906] [2019-10-22 11:27:39,265 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:39,265 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:27:39,266 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166620328] [2019-10-22 11:27:39,266 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:27:39,266 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:39,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:27:39,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:27:39,267 INFO L87 Difference]: Start difference. First operand 285 states and 304 transitions. Second operand 5 states. [2019-10-22 11:27:39,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:39,309 INFO L93 Difference]: Finished difference Result 286 states and 305 transitions. [2019-10-22 11:27:39,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:27:39,310 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-10-22 11:27:39,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:39,311 INFO L225 Difference]: With dead ends: 286 [2019-10-22 11:27:39,311 INFO L226 Difference]: Without dead ends: 286 [2019-10-22 11:27:39,311 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:27:39,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2019-10-22 11:27:39,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 286. [2019-10-22 11:27:39,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2019-10-22 11:27:39,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 305 transitions. [2019-10-22 11:27:39,322 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 305 transitions. Word has length 17 [2019-10-22 11:27:39,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:39,322 INFO L462 AbstractCegarLoop]: Abstraction has 286 states and 305 transitions. [2019-10-22 11:27:39,323 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:27:39,323 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 305 transitions. [2019-10-22 11:27:39,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 11:27:39,323 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:39,323 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:39,324 INFO L410 AbstractCegarLoop]: === Iteration 10 === [DUPFFexgcdErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr15REQUIRES_VIOLATION, DUPFFexgcdErr38REQUIRES_VIOLATION, DUPFFexgcdErr80REQUIRES_VIOLATION, DUPFFexgcdErr34REQUIRES_VIOLATION, DUPFFexgcdErr76REQUIRES_VIOLATION, DUPFFexgcdErr57REQUIRES_VIOLATION, DUPFFexgcdErr11REQUIRES_VIOLATION, DUPFFexgcdErr95REQUIRES_VIOLATION, DUPFFexgcdErr7REQUIRES_VIOLATION, DUPFFexgcdErr30REQUIRES_VIOLATION, DUPFFexgcdErr72REQUIRES_VIOLATION, DUPFFexgcdErr91REQUIRES_VIOLATION, DUPFFexgcdErr26REQUIRES_VIOLATION, DUPFFexgcdErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr68REQUIRES_VIOLATION, DUPFFexgcdErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr49REQUIRES_VIOLATION, DUPFFexgcdErr45REQUIRES_VIOLATION, DUPFFexgcdErr87REQUIRES_VIOLATION, DUPFFexgcdErr3REQUIRES_VIOLATION, DUPFFexgcdErr18REQUIRES_VIOLATION, DUPFFexgcdErr60REQUIRES_VIOLATION, DUPFFexgcdErr83REQUIRES_VIOLATION, DUPFFexgcdErr37REQUIRES_VIOLATION, DUPFFexgcdErr79REQUIRES_VIOLATION, DUPFFexgcdErr14REQUIRES_VIOLATION, DUPFFexgcdErr56REQUIRES_VIOLATION, DUPFFexgcdErr10REQUIRES_VIOLATION, DUPFFexgcdErr33REQUIRES_VIOLATION, DUPFFexgcdErr75REQUIRES_VIOLATION, DUPFFexgcdErr29REQUIRES_VIOLATION, DUPFFexgcdErr71REQUIRES_VIOLATION, DUPFFexgcdErr94REQUIRES_VIOLATION, DUPFFexgcdErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr6REQUIRES_VIOLATION, DUPFFexgcdErr48REQUIRES_VIOLATION, DUPFFexgcdErr90REQUIRES_VIOLATION, DUPFFexgcdErr2REQUIRES_VIOLATION, DUPFFexgcdErr44REQUIRES_VIOLATION, DUPFFexgcdErr25REQUIRES_VIOLATION, DUPFFexgcdErr67REQUIRES_VIOLATION, DUPFFexgcdErr21REQUIRES_VIOLATION, DUPFFexgcdErr63REQUIRES_VIOLATION, DUPFFexgcdErr86REQUIRES_VIOLATION, DUPFFexgcdErr82REQUIRES_VIOLATION, DUPFFexgcdErr36REQUIRES_VIOLATION, DUPFFexgcdErr17REQUIRES_VIOLATION, DUPFFexgcdErr59REQUIRES_VIOLATION, DUPFFexgcdErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr13REQUIRES_VIOLATION, DUPFFexgcdErr55REQUIRES_VIOLATION, DUPFFexgcdErr78REQUIRES_VIOLATION, DUPFFexgcdErr74REQUIRES_VIOLATION, DUPFFexgcdErr97REQUIRES_VIOLATION, DUPFFexgcdErr32REQUIRES_VIOLATION, DUPFFexgcdErr28REQUIRES_VIOLATION, DUPFFexgcdErr9REQUIRES_VIOLATION, DUPFFexgcdErr51REQUIRES_VIOLATION, DUPFFexgcdErr93REQUIRES_VIOLATION, DUPFFexgcdErr5REQUIRES_VIOLATION, DUPFFexgcdErr47REQUIRES_VIOLATION, DUPFFexgcdErr70REQUIRES_VIOLATION, DUPFFexgcdErr66REQUIRES_VIOLATION, DUPFFexgcdErr89REQUIRES_VIOLATION, DUPFFexgcdErr24REQUIRES_VIOLATION, DUPFFexgcdErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr85REQUIRES_VIOLATION, DUPFFexgcdErr20REQUIRES_VIOLATION, DUPFFexgcdErr1REQUIRES_VIOLATION, DUPFFexgcdErr43REQUIRES_VIOLATION, DUPFFexgcdErr39REQUIRES_VIOLATION, DUPFFexgcdErr62REQUIRES_VIOLATION, DUPFFexgcdErr58REQUIRES_VIOLATION, DUPFFexgcdErr16REQUIRES_VIOLATION, DUPFFexgcdErr81REQUIRES_VIOLATION, DUPFFexgcdErr12REQUIRES_VIOLATION, DUPFFexgcdErr77REQUIRES_VIOLATION, DUPFFexgcdErr35REQUIRES_VIOLATION, DUPFFexgcdErr31REQUIRES_VIOLATION, DUPFFexgcdErr96REQUIRES_VIOLATION, DUPFFexgcdErr54REQUIRES_VIOLATION, DUPFFexgcdErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr50REQUIRES_VIOLATION, DUPFFexgcdErr8REQUIRES_VIOLATION, DUPFFexgcdErr73REQUIRES_VIOLATION, DUPFFexgcdErr92REQUIRES_VIOLATION, DUPFFexgcdErr4REQUIRES_VIOLATION, DUPFFexgcdErr69REQUIRES_VIOLATION, DUPFFexgcdErr27REQUIRES_VIOLATION, DUPFFexgcdErr88REQUIRES_VIOLATION, DUPFFexgcdErr46REQUIRES_VIOLATION, DUPFFexgcdErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr42REQUIRES_VIOLATION, DUPFFexgcdErr84REQUIRES_VIOLATION, DUPFFexgcdErr0REQUIRES_VIOLATION, DUPFFexgcdErr61REQUIRES_VIOLATION, DUPFFexgcdErr19REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION]=== [2019-10-22 11:27:39,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:39,327 INFO L82 PathProgramCache]: Analyzing trace with hash 234158428, now seen corresponding path program 1 times [2019-10-22 11:27:39,327 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:39,327 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356425691] [2019-10-22 11:27:39,328 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:39,328 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:39,328 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:39,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:39,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:39,437 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356425691] [2019-10-22 11:27:39,437 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708424633] [2019-10-22 11:27:39,437 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a7baea46-a9ca-4a46-ae74-a9e16eeef887/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:27:39,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:39,518 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-22 11:27:39,525 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:27:39,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:39,604 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:27:39,657 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:39,658 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [779750674] [2019-10-22 11:27:39,666 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 19 [2019-10-22 11:27:39,718 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2019-10-22 11:27:39,718 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-22 11:27:40,010 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:27:40,011 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: inappropriate decl info IMPLEMENTATION at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Boogie2SmtSymbolTable.getBoogieVar(Boogie2SmtSymbolTable.java:222) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.getBoogieVar(NonrelationalStatementProcessor.java:348) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.handleHavocStatement(NonrelationalStatementProcessor.java:325) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.processStatement(NonrelationalStatementProcessor.java:159) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.process(NonrelationalStatementProcessor.java:138) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.process(NonrelationalStatementProcessor.java:107) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.handleInternalTransition(NonrelationalPostOperator.java:422) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.handleInternalTransition(NonrelationalPostOperator.java:413) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.apply(NonrelationalPostOperator.java:140) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.apply(NonrelationalPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.applyInternally(CompoundDomainPostOperator.java:306) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.apply(CompoundDomainPostOperator.java:131) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.apply(CompoundDomainPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormanCachedPostOperation.restoreOriginalStateVariables(PoormanCachedPostOperation.java:322) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.applyPost(PoormansAbstractPostOperator.java:217) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:120) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.DisjunctiveAbstractState.lambda$17(DisjunctiveAbstractState.java:323) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.DisjunctiveAbstractState.mapCollection(DisjunctiveAbstractState.java:519) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.DisjunctiveAbstractState.apply(DisjunctiveAbstractState.java:323) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateAbstractPost(FixpointEngine.java:249) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateFixpoint(FixpointEngine.java:134) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.run(FixpointEngine.java:105) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.tool.AbstractInterpreter.runWithoutTimeoutAndResults(AbstractInterpreter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.generateFixpoints(CegarAbsIntRunner.java:227) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.(CegarAbsIntRunner.java:158) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleAbstractInterpretation.getOrConstructRunner(IpTcStrategyModuleAbstractInterpretation.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleAbstractInterpretation.construct(IpTcStrategyModuleAbstractInterpretation.java:81) 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) 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) [2019-10-22 11:27:40,018 INFO L168 Benchmark]: Toolchain (without parser) took 7749.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.9 MB). Free memory was 941.8 MB in the beginning and 961.6 MB in the end (delta: -19.9 MB). Peak memory consumption was 173.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:40,018 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:27:40,019 INFO L168 Benchmark]: CACSL2BoogieTranslator took 943.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 941.8 MB in the beginning and 1.1 GB in the end (delta: -139.6 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:40,020 INFO L168 Benchmark]: Boogie Procedure Inliner took 132.14 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: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:40,020 INFO L168 Benchmark]: Boogie Preprocessor took 80.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:40,021 INFO L168 Benchmark]: RCFGBuilder took 1106.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 975.7 MB in the end (delta: 97.6 MB). Peak memory consumption was 97.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:40,022 INFO L168 Benchmark]: TraceAbstraction took 5482.24 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 53.5 MB). Free memory was 974.4 MB in the beginning and 961.6 MB in the end (delta: 12.7 MB). Peak memory consumption was 66.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:40,025 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 943.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 941.8 MB in the beginning and 1.1 GB in the end (delta: -139.6 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 132.14 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: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 80.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1106.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 975.7 MB in the end (delta: 97.6 MB). Peak memory consumption was 97.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5482.24 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 53.5 MB). Free memory was 974.4 MB in the beginning and 961.6 MB in the end (delta: 12.7 MB). Peak memory consumption was 66.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: inappropriate decl info IMPLEMENTATION de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: inappropriate decl info IMPLEMENTATION: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Boogie2SmtSymbolTable.getBoogieVar(Boogie2SmtSymbolTable.java:222) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 11:27:42,378 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:27:42,379 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:27:42,395 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:27:42,395 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:27:42,396 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:27:42,400 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:27:42,401 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:27:42,402 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:27:42,403 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:27:42,404 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:27:42,407 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:27:42,407 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:27:42,408 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:27:42,409 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:27:42,410 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:27:42,410 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:27:42,411 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:27:42,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:27:42,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:27:42,422 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:27:42,423 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:27:42,427 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:27:42,428 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:27:42,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:27:42,430 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:27:42,432 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:27:42,433 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:27:42,433 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:27:42,434 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:27:42,434 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:27:42,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:27:42,436 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:27:42,436 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:27:42,437 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:27:42,437 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:27:42,438 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:27:42,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:27:42,438 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:27:42,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:27:42,439 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:27:42,440 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a7baea46-a9ca-4a46-ae74-a9e16eeef887/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2019-10-22 11:27:42,453 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:27:42,453 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:27:42,454 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:27:42,454 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:27:42,454 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:27:42,454 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:27:42,454 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:27:42,455 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:27:42,455 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:27:42,455 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 11:27:42,455 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 11:27:42,456 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:27:42,456 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:27:42,456 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 11:27:42,457 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:27:42,457 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:27:42,457 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:27:42,457 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 11:27:42,457 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 11:27:42,457 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 11:27:42,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:27:42,458 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:27:42,458 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:27:42,458 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:27:42,458 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:27:42,458 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:27:42,459 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:27:42,459 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:27:42,459 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:27:42,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:27:42,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:27:42,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:27:42,460 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:27:42,460 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:27:42,460 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:27:42,461 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_a7baea46-a9ca-4a46-ae74-a9e16eeef887/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan 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 -> 0b4d94c6a9eb31529ed540a05f62ccb609577156 [2019-10-22 11:27:42,490 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:27:42,502 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:27:42,505 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:27:42,506 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:27:42,506 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:27:42,507 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a7baea46-a9ca-4a46-ae74-a9e16eeef887/bin/utaipan/../../sv-benchmarks/c/memsafety/20020406-1.i [2019-10-22 11:27:42,564 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a7baea46-a9ca-4a46-ae74-a9e16eeef887/bin/utaipan/data/082197204/de1ee09526384f23b80a8d22ca55c1d9/FLAG58f943890 [2019-10-22 11:27:43,114 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:27:43,115 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a7baea46-a9ca-4a46-ae74-a9e16eeef887/sv-benchmarks/c/memsafety/20020406-1.i [2019-10-22 11:27:43,143 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a7baea46-a9ca-4a46-ae74-a9e16eeef887/bin/utaipan/data/082197204/de1ee09526384f23b80a8d22ca55c1d9/FLAG58f943890 [2019-10-22 11:27:43,374 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a7baea46-a9ca-4a46-ae74-a9e16eeef887/bin/utaipan/data/082197204/de1ee09526384f23b80a8d22ca55c1d9 [2019-10-22 11:27:43,377 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:27:43,379 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:27:43,380 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:27:43,380 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:27:43,383 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:27:43,384 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:27:43" (1/1) ... [2019-10-22 11:27:43,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35898692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:43, skipping insertion in model container [2019-10-22 11:27:43,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:27:43" (1/1) ... [2019-10-22 11:27:43,395 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:27:43,464 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:27:44,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:27:44,165 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:27:44,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:27:44,441 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:27:44,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:44 WrapperNode [2019-10-22 11:27:44,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:27:44,442 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:27:44,442 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:27:44,443 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:27:44,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:44" (1/1) ... [2019-10-22 11:27:44,486 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:44" (1/1) ... [2019-10-22 11:27:44,556 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:27:44,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:27:44,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:27:44,558 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:27:44,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:44" (1/1) ... [2019-10-22 11:27:44,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:44" (1/1) ... [2019-10-22 11:27:44,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:44" (1/1) ... [2019-10-22 11:27:44,589 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:44" (1/1) ... [2019-10-22 11:27:44,625 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:44" (1/1) ... [2019-10-22 11:27:44,638 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:44" (1/1) ... [2019-10-22 11:27:44,641 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:44" (1/1) ... [2019-10-22 11:27:44,654 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:27:44,655 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:27:44,655 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:27:44,655 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:27:44,656 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a7baea46-a9ca-4a46-ae74-a9e16eeef887/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:27:44,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 11:27:44,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:27:44,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 11:27:44,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:27:44,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 11:27:44,713 INFO L130 BoogieDeclarations]: Found specification of procedure DUPFFexgcd [2019-10-22 11:27:44,713 INFO L138 BoogieDeclarations]: Found implementation of procedure DUPFFexgcd [2019-10-22 11:27:44,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 11:27:44,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 11:27:44,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:27:44,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:27:46,443 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:27:46,443 INFO L284 CfgBuilder]: Removed 84 assume(true) statements. [2019-10-22 11:27:46,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:46 BoogieIcfgContainer [2019-10-22 11:27:46,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:27:46,446 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:27:46,446 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:27:46,449 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:27:46,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:27:43" (1/3) ... [2019-10-22 11:27:46,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18f5f156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:27:46, skipping insertion in model container [2019-10-22 11:27:46,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:44" (2/3) ... [2019-10-22 11:27:46,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18f5f156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:27:46, skipping insertion in model container [2019-10-22 11:27:46,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:46" (3/3) ... [2019-10-22 11:27:46,453 INFO L109 eAbstractionObserver]: Analyzing ICFG 20020406-1.i [2019-10-22 11:27:46,465 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:27:46,475 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 135 error locations. [2019-10-22 11:27:46,489 INFO L249 AbstractCegarLoop]: Starting to check reachability of 135 error locations. [2019-10-22 11:27:46,509 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:27:46,510 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 11:27:46,510 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:27:46,510 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:27:46,510 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:27:46,510 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:27:46,510 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:27:46,511 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:27:46,542 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states. [2019-10-22 11:27:46,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 11:27:46,551 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:46,552 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-10-22 11:27:46,555 INFO L410 AbstractCegarLoop]: === Iteration 1 === [DUPFFexgcdErr45REQUIRES_VIOLATION, DUPFFexgcdErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr68REQUIRES_VIOLATION, DUPFFexgcdErr26REQUIRES_VIOLATION, DUPFFexgcdErr3REQUIRES_VIOLATION, DUPFFexgcdErr87REQUIRES_VIOLATION, DUPFFexgcdErr7REQUIRES_VIOLATION, DUPFFexgcdErr72REQUIRES_VIOLATION, DUPFFexgcdErr49REQUIRES_VIOLATION, DUPFFexgcdErr95REQUIRES_VIOLATION, DUPFFexgcdErr91REQUIRES_VIOLATION, DUPFFexgcdErr30REQUIRES_VIOLATION, DUPFFexgcdErr34REQUIRES_VIOLATION, DUPFFexgcdErr11REQUIRES_VIOLATION, DUPFFexgcdErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr15REQUIRES_VIOLATION, DUPFFexgcdErr57REQUIRES_VIOLATION, DUPFFexgcdErr76REQUIRES_VIOLATION, DUPFFexgcdErr61REQUIRES_VIOLATION, DUPFFexgcdErr38REQUIRES_VIOLATION, DUPFFexgcdErr84REQUIRES_VIOLATION, DUPFFexgcdErr80REQUIRES_VIOLATION, DUPFFexgcdErr42REQUIRES_VIOLATION, DUPFFexgcdErr19REQUIRES_VIOLATION, DUPFFexgcdErr67REQUIRES_VIOLATION, DUPFFexgcdErr2REQUIRES_VIOLATION, DUPFFexgcdErr44REQUIRES_VIOLATION, DUPFFexgcdErr90REQUIRES_VIOLATION, DUPFFexgcdErr86REQUIRES_VIOLATION, DUPFFexgcdErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr25REQUIRES_VIOLATION, DUPFFexgcdErr29REQUIRES_VIOLATION, DUPFFexgcdErr94REQUIRES_VIOLATION, DUPFFexgcdErr6REQUIRES_VIOLATION, DUPFFexgcdErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr48REQUIRES_VIOLATION, DUPFFexgcdErr10REQUIRES_VIOLATION, DUPFFexgcdErr71REQUIRES_VIOLATION, DUPFFexgcdErr33REQUIRES_VIOLATION, DUPFFexgcdErr79REQUIRES_VIOLATION, DUPFFexgcdErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr37REQUIRES_VIOLATION, DUPFFexgcdErr75REQUIRES_VIOLATION, DUPFFexgcdErr14REQUIRES_VIOLATION, DUPFFexgcdErr56REQUIRES_VIOLATION, DUPFFexgcdErr18REQUIRES_VIOLATION, DUPFFexgcdErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr83REQUIRES_VIOLATION, DUPFFexgcdErr60REQUIRES_VIOLATION, DUPFFexgcdErr89REQUIRES_VIOLATION, DUPFFexgcdErr1REQUIRES_VIOLATION, DUPFFexgcdErr43REQUIRES_VIOLATION, DUPFFexgcdErr5REQUIRES_VIOLATION, DUPFFexgcdErr47REQUIRES_VIOLATION, DUPFFexgcdErr24REQUIRES_VIOLATION, DUPFFexgcdErr66REQUIRES_VIOLATION, DUPFFexgcdErr28REQUIRES_VIOLATION, DUPFFexgcdErr74REQUIRES_VIOLATION, DUPFFexgcdErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr70REQUIRES_VIOLATION, DUPFFexgcdErr9REQUIRES_VIOLATION, DUPFFexgcdErr51REQUIRES_VIOLATION, DUPFFexgcdErr93REQUIRES_VIOLATION, DUPFFexgcdErr13REQUIRES_VIOLATION, DUPFFexgcdErr55REQUIRES_VIOLATION, DUPFFexgcdErr78REQUIRES_VIOLATION, DUPFFexgcdErr32REQUIRES_VIOLATION, DUPFFexgcdErr36REQUIRES_VIOLATION, DUPFFexgcdErr97REQUIRES_VIOLATION, DUPFFexgcdErr17REQUIRES_VIOLATION, DUPFFexgcdErr63REQUIRES_VIOLATION, DUPFFexgcdErr59REQUIRES_VIOLATION, DUPFFexgcdErr21REQUIRES_VIOLATION, DUPFFexgcdErr82REQUIRES_VIOLATION, DUPFFexgcdErr88REQUIRES_VIOLATION, DUPFFexgcdErr0REQUIRES_VIOLATION, DUPFFexgcdErr69REQUIRES_VIOLATION, DUPFFexgcdErr4REQUIRES_VIOLATION, DUPFFexgcdErr46REQUIRES_VIOLATION, DUPFFexgcdErr50REQUIRES_VIOLATION, DUPFFexgcdErr73REQUIRES_VIOLATION, DUPFFexgcdErr27REQUIRES_VIOLATION, DUPFFexgcdErr31REQUIRES_VIOLATION, DUPFFexgcdErr8REQUIRES_VIOLATION, DUPFFexgcdErr92REQUIRES_VIOLATION, DUPFFexgcdErr12REQUIRES_VIOLATION, DUPFFexgcdErr54REQUIRES_VIOLATION, DUPFFexgcdErr58REQUIRES_VIOLATION, DUPFFexgcdErr96REQUIRES_VIOLATION, DUPFFexgcdErr35REQUIRES_VIOLATION, DUPFFexgcdErr77REQUIRES_VIOLATION, DUPFFexgcdErr39REQUIRES_VIOLATION, DUPFFexgcdErr62REQUIRES_VIOLATION, DUPFFexgcdErr16REQUIRES_VIOLATION, DUPFFexgcdErr85REQUIRES_VIOLATION, DUPFFexgcdErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, DUPFFexgcdErr20REQUIRES_VIOLATION, DUPFFexgcdErr81REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION]=== [2019-10-22 11:27:46,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:46,562 INFO L82 PathProgramCache]: Analyzing trace with hash 390317, now seen corresponding path program 1 times [2019-10-22 11:27:46,573 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:27:46,573 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [66547571] [2019-10-22 11:27:46,573 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a7baea46-a9ca-4a46-ae74-a9e16eeef887/bin/utaipan/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:27:46,865 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:27:46,866 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort FloatRoundingMode not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:223) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableFunctionSymbol.defineOrDeclare(DeclarableFunctionSymbol.java:160) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:143) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:168) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferSymbols(SmtFunctionsAndAxioms.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleTraceCheck.createExternalManagedScript(IpTcStrategyModuleTraceCheck.java:81) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCvc4.constructManagedScript(IpTcStrategyModuleCvc4.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.checkFeasibility(TraceAbstractionRefinementEngine.java:244) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-22 11:27:46,872 INFO L168 Benchmark]: Toolchain (without parser) took 3492.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 947.0 MB in the beginning and 951.2 MB in the end (delta: -4.2 MB). Peak memory consumption was 142.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:46,872 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:27:46,873 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1062.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -138.4 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:46,874 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:46,874 INFO L168 Benchmark]: Boogie Preprocessor took 98.18 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. [2019-10-22 11:27:46,875 INFO L168 Benchmark]: RCFGBuilder took 1789.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 971.5 MB in the end (delta: 107.1 MB). Peak memory consumption was 107.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:46,876 INFO L168 Benchmark]: TraceAbstraction took 423.30 ms. Allocated memory is still 1.2 GB. Free memory was 971.5 MB in the beginning and 951.2 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:46,879 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1062.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -138.4 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 113.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 98.18 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 1789.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 971.5 MB in the end (delta: 107.1 MB). Peak memory consumption was 107.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 423.30 ms. Allocated memory is still 1.2 GB. Free memory was 971.5 MB in the beginning and 951.2 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Sort FloatRoundingMode not declared de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Sort FloatRoundingMode 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...