./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ssh-simplified/s3_clnt_3.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_239b4472-32c3-4930-81e6-4a660621cb98/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_239b4472-32c3-4930-81e6-4a660621cb98/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_239b4472-32c3-4930-81e6-4a660621cb98/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_239b4472-32c3-4930-81e6-4a660621cb98/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ssh-simplified/s3_clnt_3.cil-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_239b4472-32c3-4930-81e6-4a660621cb98/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_239b4472-32c3-4930-81e6-4a660621cb98/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3bba758cc64c45156c09d7dbdd14abb9dadc75f2 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 22:18:43,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:18:43,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:18:43,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:18:43,511 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:18:43,513 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:18:43,515 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:18:43,526 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:18:43,531 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:18:43,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:18:43,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:18:43,536 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:18:43,536 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:18:43,537 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:18:43,538 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:18:43,539 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:18:43,540 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:18:43,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:18:43,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:18:43,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:18:43,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:18:43,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:18:43,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:18:43,555 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:18:43,561 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:18:43,562 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:18:43,562 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:18:43,564 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:18:43,565 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:18:43,567 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:18:43,567 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:18:43,568 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:18:43,569 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:18:43,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:18:43,574 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:18:43,574 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:18:43,575 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:18:43,575 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:18:43,576 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:18:43,577 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:18:43,577 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:18:43,579 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_239b4472-32c3-4930-81e6-4a660621cb98/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 22:18:43,610 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:18:43,610 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:18:43,611 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:18:43,611 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:18:43,612 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:18:43,612 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:18:43,612 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:18:43,613 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:18:43,613 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:18:43,613 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:18:43,613 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 22:18:43,614 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 22:18:43,614 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 22:18:43,614 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:18:43,614 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 22:18:43,615 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:18:43,615 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 22:18:43,615 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:18:43,615 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:18:43,616 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 22:18:43,616 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 22:18:43,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:18:43,617 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:18:43,617 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 22:18:43,617 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 22:18:43,617 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 22:18:43,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 22:18:43,618 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 22:18:43,618 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_239b4472-32c3-4930-81e6-4a660621cb98/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3bba758cc64c45156c09d7dbdd14abb9dadc75f2 [2019-11-15 22:18:43,670 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:18:43,687 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:18:43,691 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:18:43,693 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:18:43,693 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:18:43,694 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_239b4472-32c3-4930-81e6-4a660621cb98/bin/uautomizer/../../sv-benchmarks/c/ssh-simplified/s3_clnt_3.cil-2.c [2019-11-15 22:18:43,768 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_239b4472-32c3-4930-81e6-4a660621cb98/bin/uautomizer/data/a1c44bcd8/bef016e8647e4127bc073b3c40fc6f79/FLAG733b71efa [2019-11-15 22:18:44,296 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:18:44,297 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_239b4472-32c3-4930-81e6-4a660621cb98/sv-benchmarks/c/ssh-simplified/s3_clnt_3.cil-2.c [2019-11-15 22:18:44,317 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_239b4472-32c3-4930-81e6-4a660621cb98/bin/uautomizer/data/a1c44bcd8/bef016e8647e4127bc073b3c40fc6f79/FLAG733b71efa [2019-11-15 22:18:44,649 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_239b4472-32c3-4930-81e6-4a660621cb98/bin/uautomizer/data/a1c44bcd8/bef016e8647e4127bc073b3c40fc6f79 [2019-11-15 22:18:44,653 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:18:44,654 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 22:18:44,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:18:44,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:18:44,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:18:44,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:18:44" (1/1) ... [2019-11-15 22:18:44,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62643fb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:18:44, skipping insertion in model container [2019-11-15 22:18:44,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:18:44" (1/1) ... [2019-11-15 22:18:44,673 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:18:44,738 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:18:45,090 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:18:45,094 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:18:45,191 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:18:45,208 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:18:45,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:18:45 WrapperNode [2019-11-15 22:18:45,209 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:18:45,214 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 22:18:45,214 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 22:18:45,214 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 22:18:45,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:18:45" (1/1) ... [2019-11-15 22:18:45,234 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:18:45" (1/1) ... [2019-11-15 22:18:45,286 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 22:18:45,298 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:18:45,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:18:45,299 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:18:45,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:18:45" (1/1) ... [2019-11-15 22:18:45,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:18:45" (1/1) ... [2019-11-15 22:18:45,316 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:18:45" (1/1) ... [2019-11-15 22:18:45,330 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:18:45" (1/1) ... [2019-11-15 22:18:45,341 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:18:45" (1/1) ... [2019-11-15 22:18:45,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:18:45" (1/1) ... [2019-11-15 22:18:45,365 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:18:45" (1/1) ... [2019-11-15 22:18:45,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:18:45,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:18:45,373 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:18:45,374 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:18:45,376 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:18:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_239b4472-32c3-4930-81e6-4a660621cb98/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:18:45,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:18:45,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:18:45,680 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-15 22:18:46,467 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2019-11-15 22:18:46,467 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2019-11-15 22:18:46,469 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:18:46,469 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-15 22:18:46,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:18:46 BoogieIcfgContainer [2019-11-15 22:18:46,471 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:18:46,472 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 22:18:46,472 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 22:18:46,475 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 22:18:46,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:18:44" (1/3) ... [2019-11-15 22:18:46,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@164ed135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:18:46, skipping insertion in model container [2019-11-15 22:18:46,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:18:45" (2/3) ... [2019-11-15 22:18:46,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@164ed135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:18:46, skipping insertion in model container [2019-11-15 22:18:46,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:18:46" (3/3) ... [2019-11-15 22:18:46,486 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.cil-2.c [2019-11-15 22:18:46,497 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 22:18:46,509 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 22:18:46,523 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 22:18:46,565 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 22:18:46,565 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 22:18:46,566 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 22:18:46,566 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:18:46,566 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:18:46,566 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 22:18:46,566 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:18:46,567 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 22:18:46,587 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states. [2019-11-15 22:18:46,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-15 22:18:46,596 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:18:46,597 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:18:46,599 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:18:46,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:18:46,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1449576961, now seen corresponding path program 1 times [2019-11-15 22:18:46,614 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:18:46,614 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821710140] [2019-11-15 22:18:46,615 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:46,615 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:46,615 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:18:46,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:46,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:18:46,842 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821710140] [2019-11-15 22:18:46,843 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:18:46,843 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 22:18:46,844 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83154386] [2019-11-15 22:18:46,854 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 22:18:46,854 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:18:46,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 22:18:46,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 22:18:46,868 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 3 states. [2019-11-15 22:18:47,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:18:47,155 INFO L93 Difference]: Finished difference Result 251 states and 426 transitions. [2019-11-15 22:18:47,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 22:18:47,159 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2019-11-15 22:18:47,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:18:47,178 INFO L225 Difference]: With dead ends: 251 [2019-11-15 22:18:47,179 INFO L226 Difference]: Without dead ends: 114 [2019-11-15 22:18:47,185 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 [2019-11-15 22:18:47,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-11-15 22:18:47,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2019-11-15 22:18:47,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-11-15 22:18:47,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 171 transitions. [2019-11-15 22:18:47,271 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 171 transitions. Word has length 23 [2019-11-15 22:18:47,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:18:47,272 INFO L462 AbstractCegarLoop]: Abstraction has 114 states and 171 transitions. [2019-11-15 22:18:47,272 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 22:18:47,274 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 171 transitions. [2019-11-15 22:18:47,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-15 22:18:47,278 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:18:47,278 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:18:47,279 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:18:47,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:18:47,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1395170557, now seen corresponding path program 1 times [2019-11-15 22:18:47,281 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:18:47,281 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570405558] [2019-11-15 22:18:47,282 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:47,282 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:47,282 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:18:47,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:47,380 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:18:47,380 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570405558] [2019-11-15 22:18:47,380 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:18:47,381 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 22:18:47,381 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587670822] [2019-11-15 22:18:47,383 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 22:18:47,383 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:18:47,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 22:18:47,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 22:18:47,384 INFO L87 Difference]: Start difference. First operand 114 states and 171 transitions. Second operand 3 states. [2019-11-15 22:18:47,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:18:47,580 INFO L93 Difference]: Finished difference Result 237 states and 359 transitions. [2019-11-15 22:18:47,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 22:18:47,580 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2019-11-15 22:18:47,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:18:47,583 INFO L225 Difference]: With dead ends: 237 [2019-11-15 22:18:47,583 INFO L226 Difference]: Without dead ends: 132 [2019-11-15 22:18:47,585 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 22:18:47,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2019-11-15 22:18:47,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 129. [2019-11-15 22:18:47,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2019-11-15 22:18:47,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 191 transitions. [2019-11-15 22:18:47,610 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 191 transitions. Word has length 36 [2019-11-15 22:18:47,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:18:47,610 INFO L462 AbstractCegarLoop]: Abstraction has 129 states and 191 transitions. [2019-11-15 22:18:47,610 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 22:18:47,611 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 191 transitions. [2019-11-15 22:18:47,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-15 22:18:47,616 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:18:47,616 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:18:47,617 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:18:47,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:18:47,617 INFO L82 PathProgramCache]: Analyzing trace with hash -462623258, now seen corresponding path program 1 times [2019-11-15 22:18:47,618 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:18:47,619 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081055888] [2019-11-15 22:18:47,619 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:47,619 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:47,620 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:18:47,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:47,786 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-15 22:18:47,786 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081055888] [2019-11-15 22:18:47,787 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:18:47,787 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 22:18:47,787 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866372831] [2019-11-15 22:18:47,788 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 22:18:47,788 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:18:47,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 22:18:47,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 22:18:47,790 INFO L87 Difference]: Start difference. First operand 129 states and 191 transitions. Second operand 3 states. [2019-11-15 22:18:47,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:18:47,978 INFO L93 Difference]: Finished difference Result 271 states and 407 transitions. [2019-11-15 22:18:47,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 22:18:47,979 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2019-11-15 22:18:47,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:18:47,981 INFO L225 Difference]: With dead ends: 271 [2019-11-15 22:18:47,981 INFO L226 Difference]: Without dead ends: 151 [2019-11-15 22:18:47,983 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 22:18:47,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2019-11-15 22:18:47,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 146. [2019-11-15 22:18:47,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-11-15 22:18:47,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 213 transitions. [2019-11-15 22:18:47,996 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 213 transitions. Word has length 50 [2019-11-15 22:18:47,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:18:47,997 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 213 transitions. [2019-11-15 22:18:47,997 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 22:18:47,997 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 213 transitions. [2019-11-15 22:18:47,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-15 22:18:47,999 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:18:47,999 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:18:48,000 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:18:48,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:18:48,000 INFO L82 PathProgramCache]: Analyzing trace with hash -1174891697, now seen corresponding path program 1 times [2019-11-15 22:18:48,000 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:18:48,001 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453028835] [2019-11-15 22:18:48,001 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:48,001 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:48,002 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:18:48,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:48,129 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-15 22:18:48,131 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453028835] [2019-11-15 22:18:48,131 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:18:48,132 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 22:18:48,132 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797162600] [2019-11-15 22:18:48,134 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 22:18:48,134 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:18:48,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 22:18:48,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 22:18:48,135 INFO L87 Difference]: Start difference. First operand 146 states and 213 transitions. Second operand 3 states. [2019-11-15 22:18:48,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:18:48,411 INFO L93 Difference]: Finished difference Result 334 states and 502 transitions. [2019-11-15 22:18:48,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 22:18:48,412 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2019-11-15 22:18:48,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:18:48,414 INFO L225 Difference]: With dead ends: 334 [2019-11-15 22:18:48,414 INFO L226 Difference]: Without dead ends: 196 [2019-11-15 22:18:48,415 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 22:18:48,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2019-11-15 22:18:48,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 187. [2019-11-15 22:18:48,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2019-11-15 22:18:48,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 263 transitions. [2019-11-15 22:18:48,444 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 263 transitions. Word has length 67 [2019-11-15 22:18:48,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:18:48,447 INFO L462 AbstractCegarLoop]: Abstraction has 187 states and 263 transitions. [2019-11-15 22:18:48,447 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 22:18:48,447 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 263 transitions. [2019-11-15 22:18:48,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-15 22:18:48,453 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:18:48,453 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:18:48,454 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:18:48,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:18:48,454 INFO L82 PathProgramCache]: Analyzing trace with hash 1314637265, now seen corresponding path program 1 times [2019-11-15 22:18:48,454 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:18:48,455 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512406572] [2019-11-15 22:18:48,455 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:48,455 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:48,455 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:18:48,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:48,576 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-15 22:18:48,576 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512406572] [2019-11-15 22:18:48,577 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:18:48,577 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 22:18:48,577 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274999627] [2019-11-15 22:18:48,578 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 22:18:48,579 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:18:48,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 22:18:48,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 22:18:48,580 INFO L87 Difference]: Start difference. First operand 187 states and 263 transitions. Second operand 3 states. [2019-11-15 22:18:48,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:18:48,785 INFO L93 Difference]: Finished difference Result 389 states and 554 transitions. [2019-11-15 22:18:48,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 22:18:48,786 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2019-11-15 22:18:48,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:18:48,788 INFO L225 Difference]: With dead ends: 389 [2019-11-15 22:18:48,789 INFO L226 Difference]: Without dead ends: 211 [2019-11-15 22:18:48,790 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 22:18:48,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2019-11-15 22:18:48,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 206. [2019-11-15 22:18:48,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2019-11-15 22:18:48,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 287 transitions. [2019-11-15 22:18:48,803 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 287 transitions. Word has length 67 [2019-11-15 22:18:48,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:18:48,804 INFO L462 AbstractCegarLoop]: Abstraction has 206 states and 287 transitions. [2019-11-15 22:18:48,804 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 22:18:48,804 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 287 transitions. [2019-11-15 22:18:48,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-15 22:18:48,806 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:18:48,807 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:18:48,807 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:18:48,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:18:48,808 INFO L82 PathProgramCache]: Analyzing trace with hash -1231866158, now seen corresponding path program 1 times [2019-11-15 22:18:48,808 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:18:48,808 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505783673] [2019-11-15 22:18:48,809 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:48,809 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:48,809 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:18:48,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:48,868 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-11-15 22:18:48,868 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505783673] [2019-11-15 22:18:48,869 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:18:48,869 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 22:18:48,869 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467048261] [2019-11-15 22:18:48,870 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 22:18:48,870 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:18:48,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 22:18:48,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 22:18:48,871 INFO L87 Difference]: Start difference. First operand 206 states and 287 transitions. Second operand 3 states. [2019-11-15 22:18:49,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:18:49,063 INFO L93 Difference]: Finished difference Result 427 states and 603 transitions. [2019-11-15 22:18:49,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 22:18:49,064 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2019-11-15 22:18:49,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:18:49,067 INFO L225 Difference]: With dead ends: 427 [2019-11-15 22:18:49,067 INFO L226 Difference]: Without dead ends: 230 [2019-11-15 22:18:49,068 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 22:18:49,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2019-11-15 22:18:49,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 227. [2019-11-15 22:18:49,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2019-11-15 22:18:49,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 313 transitions. [2019-11-15 22:18:49,089 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 313 transitions. Word has length 84 [2019-11-15 22:18:49,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:18:49,089 INFO L462 AbstractCegarLoop]: Abstraction has 227 states and 313 transitions. [2019-11-15 22:18:49,090 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 22:18:49,090 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 313 transitions. [2019-11-15 22:18:49,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-11-15 22:18:49,092 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:18:49,092 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:18:49,093 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:18:49,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:18:49,093 INFO L82 PathProgramCache]: Analyzing trace with hash 266431114, now seen corresponding path program 1 times [2019-11-15 22:18:49,093 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:18:49,098 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755932425] [2019-11-15 22:18:49,099 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:49,099 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:49,099 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:18:49,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:49,220 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-15 22:18:49,220 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755932425] [2019-11-15 22:18:49,220 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:18:49,221 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 22:18:49,221 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205382143] [2019-11-15 22:18:49,222 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 22:18:49,222 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:18:49,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 22:18:49,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 22:18:49,223 INFO L87 Difference]: Start difference. First operand 227 states and 313 transitions. Second operand 3 states. [2019-11-15 22:18:49,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:18:49,290 INFO L93 Difference]: Finished difference Result 661 states and 912 transitions. [2019-11-15 22:18:49,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 22:18:49,293 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2019-11-15 22:18:49,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:18:49,297 INFO L225 Difference]: With dead ends: 661 [2019-11-15 22:18:49,298 INFO L226 Difference]: Without dead ends: 443 [2019-11-15 22:18:49,299 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 22:18:49,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2019-11-15 22:18:49,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 443. [2019-11-15 22:18:49,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2019-11-15 22:18:49,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 609 transitions. [2019-11-15 22:18:49,326 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 609 transitions. Word has length 104 [2019-11-15 22:18:49,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:18:49,327 INFO L462 AbstractCegarLoop]: Abstraction has 443 states and 609 transitions. [2019-11-15 22:18:49,327 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 22:18:49,327 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 609 transitions. [2019-11-15 22:18:49,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-11-15 22:18:49,330 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:18:49,330 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:18:49,330 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:18:49,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:18:49,331 INFO L82 PathProgramCache]: Analyzing trace with hash -1706663820, now seen corresponding path program 1 times [2019-11-15 22:18:49,331 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:18:49,332 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82268689] [2019-11-15 22:18:49,332 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:49,332 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:49,332 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:18:49,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:18:49,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:18:49,555 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:18:49,555 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-15 22:18:49,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 10:18:49 BoogieIcfgContainer [2019-11-15 22:18:49,683 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 22:18:49,684 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 22:18:49,684 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 22:18:49,684 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 22:18:49,685 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:18:46" (3/4) ... [2019-11-15 22:18:49,688 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-15 22:18:49,883 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_239b4472-32c3-4930-81e6-4a660621cb98/bin/uautomizer/witness.graphml [2019-11-15 22:18:49,883 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 22:18:49,886 INFO L168 Benchmark]: Toolchain (without parser) took 5231.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 215.0 MB). Free memory was 944.8 MB in the beginning and 1.2 GB in the end (delta: -216.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:18:49,886 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:18:49,887 INFO L168 Benchmark]: CACSL2BoogieTranslator took 557.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -172.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-15 22:18:49,889 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.34 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-15 22:18:49,889 INFO L168 Benchmark]: Boogie Preprocessor took 71.70 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:18:49,889 INFO L168 Benchmark]: RCFGBuilder took 1100.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 56.4 MB). Peak memory consumption was 56.4 MB. Max. memory is 11.5 GB. [2019-11-15 22:18:49,890 INFO L168 Benchmark]: TraceAbstraction took 3211.83 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 81.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -121.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:18:49,890 INFO L168 Benchmark]: Witness Printer took 199.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2019-11-15 22:18:49,893 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 557.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -172.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 84.34 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.70 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 1100.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 56.4 MB). Peak memory consumption was 56.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3211.83 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 81.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -121.9 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 199.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 573]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L578] int s ; [L582] s = 12292 [L12] int s__info_callback = __VERIFIER_nondet_int() ; [L13] int s__in_handshake = __VERIFIER_nondet_int() ; [L14] int s__state ; [L15] int s__new_session ; [L16] int s__server ; [L17] int s__version = __VERIFIER_nondet_int() ; [L18] int s__type ; [L19] int s__init_num ; [L20] int s__bbio = __VERIFIER_nondet_int() ; [L21] int s__wbio = __VERIFIER_nondet_int() ; [L22] int s__hit = __VERIFIER_nondet_int() ; [L23] int s__rwstate ; [L24] int s__init_buf___0 = __VERIFIER_nondet_int() ; [L25] int s__debug = __VERIFIER_nondet_int() ; [L26] int s__shutdown ; [L27] int s__ctx__info_callback = __VERIFIER_nondet_int() ; [L28] int s__ctx__stats__sess_connect_renegotiate = __VERIFIER_nondet_int() ; [L29] int s__ctx__stats__sess_connect = __VERIFIER_nondet_int() ; [L30] int s__ctx__stats__sess_hit = __VERIFIER_nondet_int() ; [L31] int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_int() ; [L32] int s__s3__change_cipher_spec ; [L33] int s__s3__flags = __VERIFIER_nondet_int() ; [L34] int s__s3__delay_buf_pop_ret ; [L35] int s__s3__tmp__cert_req = __VERIFIER_nondet_int() ; [L36] int s__s3__tmp__new_compression = __VERIFIER_nondet_int() ; [L37] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int() ; [L38] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ; [L39] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int() ; [L40] int s__s3__tmp__next_state___0 ; [L41] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int() ; [L42] int s__session__cipher ; [L43] int s__session__compress_meth ; [L44] int buf ; [L45] unsigned long tmp ; [L46] unsigned long l ; [L47] int num1 = __VERIFIER_nondet_int() ; [L48] int cb ; [L49] int ret ; [L50] int new_state ; [L51] int state ; [L52] int skip ; [L53] int tmp___0 ; [L54] int tmp___1 = __VERIFIER_nondet_int() ; [L55] int tmp___2 = __VERIFIER_nondet_int() ; [L56] int tmp___3 = __VERIFIER_nondet_int() ; [L57] int tmp___4 = __VERIFIER_nondet_int() ; [L58] int tmp___5 = __VERIFIER_nondet_int() ; [L59] int tmp___6 = __VERIFIER_nondet_int() ; [L60] int tmp___7 = __VERIFIER_nondet_int() ; [L61] int tmp___8 = __VERIFIER_nondet_int() ; [L62] int tmp___9 = __VERIFIER_nondet_int() ; [L63] int blastFlag ; [L64] int __cil_tmp55 ; [L65] void *__cil_tmp56 ; [L66] unsigned long __cil_tmp57 ; [L67] unsigned long __cil_tmp58 = __VERIFIER_nondet_ulong() ; [L68] void *__cil_tmp59 ; [L69] unsigned long __cil_tmp60 ; [L70] unsigned long __cil_tmp61 ; [L71] unsigned long __cil_tmp62 ; [L72] unsigned long __cil_tmp63 ; [L73] unsigned long __cil_tmp64 ; [L74] long __cil_tmp65 = __VERIFIER_nondet_long() ; [L75] long __cil_tmp66 ; [L76] long __cil_tmp67 ; [L77] long __cil_tmp68 ; [L78] long __cil_tmp69 ; [L79] long __cil_tmp70 = __VERIFIER_nondet_long() ; [L80] long __cil_tmp71 ; [L81] long __cil_tmp72 ; [L82] long __cil_tmp73 ; [L83] long __cil_tmp74 ; [L87] s__state = initial_state [L88] blastFlag = 0 [L89] tmp = __VERIFIER_nondet_int() [L90] cb = 0 [L91] ret = -1 [L92] skip = 0 [L93] tmp___0 = 0 [L94] COND TRUE s__info_callback != 0 [L95] cb = s__info_callback [L101] s__in_handshake ++ [L102] COND FALSE !(tmp___1 + 12288) [L108] COND TRUE 1 [L110] state = s__state [L111] COND TRUE s__state == 12292 [L213] s__new_session = 1 [L214] s__state = 4096 [L215] s__ctx__stats__sess_connect_renegotiate ++ [L220] s__server = 0 [L221] COND TRUE cb != 0 [L225] __cil_tmp55 = s__version + 65280 [L226] COND FALSE !(__cil_tmp55 != 768) [L231] s__type = 4096 [L233] __cil_tmp56 = (void *)0 [L234] __cil_tmp57 = (unsigned long )__cil_tmp56 [L235] __cil_tmp58 = (unsigned long )s__init_buf___0 [L236] COND FALSE !(__cil_tmp58 == __cil_tmp57) [L254] COND FALSE !(! tmp___4) [L258] COND FALSE !(! tmp___5) [L262] s__state = 4368 [L263] s__ctx__stats__sess_connect ++ [L264] s__init_num = 0 [L545] COND FALSE !(! s__s3__tmp__reuse_message) [L562] skip = 0 [L108] COND TRUE 1 [L110] state = s__state [L111] COND FALSE !(s__state == 12292) [L114] COND FALSE !(s__state == 16384) [L117] COND FALSE !(s__state == 4096) [L120] COND FALSE !(s__state == 20480) [L123] COND FALSE !(s__state == 4099) [L126] COND TRUE s__state == 4368 [L268] s__shutdown = 0 [L269] ret = __VERIFIER_nondet_int() [L270] COND TRUE blastFlag == 0 [L271] blastFlag = 1 [L273] COND FALSE !(ret <= 0) [L276] s__state = 4384 [L277] s__init_num = 0 [L279] __cil_tmp62 = (unsigned long )s__wbio [L280] __cil_tmp63 = (unsigned long )s__bbio [L281] COND TRUE __cil_tmp63 != __cil_tmp62 [L545] COND FALSE !(! s__s3__tmp__reuse_message) [L562] skip = 0 [L108] COND TRUE 1 [L110] state = s__state [L111] COND FALSE !(s__state == 12292) [L114] COND FALSE !(s__state == 16384) [L117] COND FALSE !(s__state == 4096) [L120] COND FALSE !(s__state == 20480) [L123] COND FALSE !(s__state == 4099) [L126] COND FALSE !(s__state == 4368) [L129] COND FALSE !(s__state == 4369) [L132] COND TRUE s__state == 4384 [L288] ret = __VERIFIER_nondet_int() [L289] COND TRUE blastFlag == 1 [L290] blastFlag = 2 [L296] COND FALSE !(ret <= 0) [L299] COND FALSE !(\read(s__hit)) [L302] s__state = 4400 [L304] s__init_num = 0 [L545] COND FALSE !(! s__s3__tmp__reuse_message) [L562] skip = 0 [L108] COND TRUE 1 [L110] state = s__state [L111] COND FALSE !(s__state == 12292) [L114] COND FALSE !(s__state == 16384) [L117] COND FALSE !(s__state == 4096) [L120] COND FALSE !(s__state == 20480) [L123] COND FALSE !(s__state == 4099) [L126] COND FALSE !(s__state == 4368) [L129] COND FALSE !(s__state == 4369) [L132] COND FALSE !(s__state == 4384) [L135] COND FALSE !(s__state == 4385) [L138] COND TRUE s__state == 4400 [L309] __cil_tmp64 = (unsigned long )s__s3__tmp__new_cipher__algorithms [L310] COND FALSE !(__cil_tmp64 + 256UL) [L313] ret = __VERIFIER_nondet_int() [L314] COND TRUE blastFlag == 2 [L315] blastFlag = 3 [L317] COND FALSE !(ret <= 0) [L322] s__state = 4416 [L323] s__init_num = 0 [L545] COND FALSE !(! s__s3__tmp__reuse_message) [L562] skip = 0 [L108] COND TRUE 1 [L110] state = s__state [L111] COND FALSE !(s__state == 12292) [L114] COND FALSE !(s__state == 16384) [L117] COND FALSE !(s__state == 4096) [L120] COND FALSE !(s__state == 20480) [L123] COND FALSE !(s__state == 4099) [L126] COND FALSE !(s__state == 4368) [L129] COND FALSE !(s__state == 4369) [L132] COND FALSE !(s__state == 4384) [L135] COND FALSE !(s__state == 4385) [L138] COND FALSE !(s__state == 4400) [L141] COND FALSE !(s__state == 4401) [L144] COND TRUE s__state == 4416 [L327] ret = __VERIFIER_nondet_int() [L328] COND TRUE blastFlag == 3 [L329] blastFlag = 4 [L331] COND FALSE !(ret <= 0) [L334] s__state = 4432 [L335] s__init_num = 0 [L336] COND FALSE !(! tmp___6) [L545] COND FALSE !(! s__s3__tmp__reuse_message) [L562] skip = 0 [L108] COND TRUE 1 [L110] state = s__state [L111] COND FALSE !(s__state == 12292) [L114] COND FALSE !(s__state == 16384) [L117] COND FALSE !(s__state == 4096) [L120] COND FALSE !(s__state == 20480) [L123] COND FALSE !(s__state == 4099) [L126] COND FALSE !(s__state == 4368) [L129] COND FALSE !(s__state == 4369) [L132] COND FALSE !(s__state == 4384) [L135] COND FALSE !(s__state == 4385) [L138] COND FALSE !(s__state == 4400) [L141] COND FALSE !(s__state == 4401) [L144] COND FALSE !(s__state == 4416) [L147] COND FALSE !(s__state == 4417) [L150] COND TRUE s__state == 4432 [L343] ret = __VERIFIER_nondet_int() [L344] COND TRUE blastFlag == 4 [L573] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 127 locations, 1 error locations. Result: UNSAFE, OverallTime: 3.1s, OverallIterations: 8, TraceHistogramMax: 6, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1223 SDtfs, 255 SDslu, 651 SDs, 0 SdLazy, 617 SolverSat, 79 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=443occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 25 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 537 NumberOfCodeBlocks, 537 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 424 ConstructedInterpolants, 0 QuantifiedInterpolants, 47530 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 316/316 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...