java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem07_label27_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-63daa26 [2018-11-12 18:02:29,576 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-12 18:02:29,579 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-12 18:02:29,592 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-12 18:02:29,592 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-12 18:02:29,594 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-12 18:02:29,596 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-12 18:02:29,599 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-12 18:02:29,607 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-12 18:02:29,608 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-12 18:02:29,609 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-12 18:02:29,610 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-12 18:02:29,610 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-12 18:02:29,611 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-12 18:02:29,613 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-12 18:02:29,613 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-12 18:02:29,614 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-12 18:02:29,616 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-12 18:02:29,618 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-12 18:02:29,620 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-12 18:02:29,621 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-12 18:02:29,622 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-12 18:02:29,624 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-12 18:02:29,625 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-12 18:02:29,625 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-12 18:02:29,626 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-12 18:02:29,627 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-12 18:02:29,628 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-12 18:02:29,628 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-12 18:02:29,630 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-12 18:02:29,630 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-12 18:02:29,630 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-12 18:02:29,631 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-12 18:02:29,631 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-12 18:02:29,632 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-12 18:02:29,633 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-12 18:02:29,633 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf [2018-11-12 18:02:29,650 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-12 18:02:29,650 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-12 18:02:29,651 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-12 18:02:29,651 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-12 18:02:29,651 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-12 18:02:29,652 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-12 18:02:29,652 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-12 18:02:29,652 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-12 18:02:29,652 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-12 18:02:29,652 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-12 18:02:29,653 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-12 18:02:29,653 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-12 18:02:29,653 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-12 18:02:29,654 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-12 18:02:29,654 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-12 18:02:29,654 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-12 18:02:29,654 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-12 18:02:29,654 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-12 18:02:29,655 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-12 18:02:29,655 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-12 18:02:29,655 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-12 18:02:29,655 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-12 18:02:29,656 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-12 18:02:29,656 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-12 18:02:29,656 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-12 18:02:29,656 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-12 18:02:29,656 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-12 18:02:29,657 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-12 18:02:29,657 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-12 18:02:29,657 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-12 18:02:29,657 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-12 18:02:29,657 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-12 18:02:29,657 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-12 18:02:29,660 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-12 18:02:29,660 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-12 18:02:29,724 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-12 18:02:29,744 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-12 18:02:29,751 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-12 18:02:29,752 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-12 18:02:29,753 INFO L276 PluginConnector]: CDTParser initialized [2018-11-12 18:02:29,754 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem07_label27_true-unreach-call.c [2018-11-12 18:02:29,820 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31845ebb4/7242d15173e948da982d8fc3d738a90d/FLAG0d7f8ed61 [2018-11-12 18:02:32,000 INFO L298 CDTParser]: Found 1 translation units. [2018-11-12 18:02:32,001 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem07_label27_true-unreach-call.c [2018-11-12 18:02:32,276 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31845ebb4/7242d15173e948da982d8fc3d738a90d/FLAG0d7f8ed61 [2018-11-12 18:02:32,292 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31845ebb4/7242d15173e948da982d8fc3d738a90d [2018-11-12 18:02:32,303 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-12 18:02:32,305 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-12 18:02:32,306 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-12 18:02:32,306 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-12 18:02:32,310 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-12 18:02:32,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:02:32" (1/1) ... [2018-11-12 18:02:32,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75de4e69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:02:32, skipping insertion in model container [2018-11-12 18:02:32,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:02:32" (1/1) ... [2018-11-12 18:02:32,326 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-12 18:02:33,809 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-12 18:02:45,844 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 18:02:45,849 INFO L189 MainTranslator]: Completed pre-run [2018-11-12 18:02:52,645 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 18:02:53,694 INFO L193 MainTranslator]: Completed translation [2018-11-12 18:02:53,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:02:53 WrapperNode [2018-11-12 18:02:53,695 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-12 18:02:53,696 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-12 18:02:53,696 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-12 18:02:53,696 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-12 18:02:56,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:02:53" (1/1) ... [2018-11-12 18:02:57,167 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:02:53" (1/1) ... [2018-11-12 18:02:57,199 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-12 18:02:57,200 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-12 18:02:57,200 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-12 18:02:57,200 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-12 18:02:57,212 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:02:53" (1/1) ... [2018-11-12 18:02:57,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:02:53" (1/1) ... [2018-11-12 18:02:57,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:02:53" (1/1) ... [2018-11-12 18:02:57,545 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:02:53" (1/1) ... [2018-11-12 18:02:58,450 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:02:53" (1/1) ... [2018-11-12 18:02:58,619 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:02:53" (1/1) ... [2018-11-12 18:02:58,954 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:02:53" (1/1) ... [2018-11-12 18:02:59,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-12 18:02:59,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-12 18:02:59,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-12 18:02:59,310 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-12 18:02:59,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:02:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-11-12 18:02:59,375 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-12 18:02:59,375 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-12 18:02:59,376 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2018-11-12 18:02:59,376 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2018-11-12 18:02:59,376 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2018-11-12 18:02:59,376 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2018-11-12 18:02:59,376 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2018-11-12 18:02:59,376 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2018-11-12 18:02:59,377 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2018-11-12 18:02:59,377 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2018-11-12 18:02:59,377 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2018-11-12 18:02:59,377 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2018-11-12 18:02:59,377 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2018-11-12 18:02:59,377 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2018-11-12 18:02:59,377 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2018-11-12 18:02:59,378 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2018-11-12 18:02:59,378 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2018-11-12 18:02:59,378 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2018-11-12 18:02:59,378 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2018-11-12 18:02:59,378 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2018-11-12 18:02:59,378 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2018-11-12 18:02:59,378 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2018-11-12 18:02:59,379 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2018-11-12 18:02:59,379 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2018-11-12 18:02:59,379 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2018-11-12 18:02:59,379 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2018-11-12 18:02:59,379 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2018-11-12 18:02:59,379 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2018-11-12 18:02:59,380 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-12 18:02:59,380 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2018-11-12 18:02:59,380 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2018-11-12 18:02:59,380 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2018-11-12 18:02:59,380 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2018-11-12 18:02:59,380 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2018-11-12 18:02:59,380 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2018-11-12 18:02:59,380 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2018-11-12 18:02:59,381 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2018-11-12 18:02:59,381 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2018-11-12 18:02:59,381 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2018-11-12 18:02:59,381 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2018-11-12 18:02:59,381 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2018-11-12 18:02:59,381 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2018-11-12 18:02:59,382 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2018-11-12 18:02:59,382 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2018-11-12 18:02:59,382 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2018-11-12 18:02:59,382 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2018-11-12 18:02:59,382 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2018-11-12 18:02:59,382 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2018-11-12 18:02:59,382 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2018-11-12 18:02:59,382 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2018-11-12 18:02:59,383 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2018-11-12 18:02:59,383 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2018-11-12 18:02:59,383 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2018-11-12 18:02:59,383 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-11-12 18:02:59,383 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-11-12 18:02:59,383 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2018-11-12 18:02:59,383 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2018-11-12 18:02:59,384 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-11-12 18:02:59,384 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-11-12 18:02:59,384 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2018-11-12 18:02:59,384 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2018-11-12 18:02:59,384 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-11-12 18:02:59,384 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-11-12 18:02:59,385 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-11-12 18:02:59,385 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-11-12 18:02:59,385 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2018-11-12 18:02:59,385 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2018-11-12 18:02:59,385 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-12 18:02:59,385 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-12 18:02:59,385 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2018-11-12 18:02:59,386 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2018-11-12 18:02:59,386 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-12 18:02:59,386 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-12 18:02:59,386 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2018-11-12 18:02:59,386 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2018-11-12 18:02:59,386 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2018-11-12 18:02:59,386 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2018-11-12 18:02:59,387 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2018-11-12 18:02:59,387 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2018-11-12 18:02:59,387 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2018-11-12 18:02:59,387 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2018-11-12 18:02:59,387 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2018-11-12 18:02:59,387 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2018-11-12 18:02:59,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-12 18:02:59,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-12 18:02:59,388 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2018-11-12 18:02:59,388 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2018-11-12 18:02:59,388 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2018-11-12 18:02:59,388 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2018-11-12 18:02:59,388 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2018-11-12 18:02:59,389 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2018-11-12 18:02:59,389 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2018-11-12 18:02:59,389 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2018-11-12 18:02:59,389 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2018-11-12 18:02:59,389 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2018-11-12 18:02:59,389 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2018-11-12 18:02:59,390 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2018-11-12 18:02:59,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-12 18:02:59,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-12 18:03:48,693 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-12 18:03:48,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:03:48 BoogieIcfgContainer [2018-11-12 18:03:48,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-12 18:03:48,696 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-12 18:03:48,696 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-12 18:03:48,699 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-12 18:03:48,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 06:02:32" (1/3) ... [2018-11-12 18:03:48,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c26936d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:03:48, skipping insertion in model container [2018-11-12 18:03:48,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:02:53" (2/3) ... [2018-11-12 18:03:48,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c26936d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:03:48, skipping insertion in model container [2018-11-12 18:03:48,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:03:48" (3/3) ... [2018-11-12 18:03:48,703 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label27_true-unreach-call.c [2018-11-12 18:03:48,713 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-12 18:03:48,726 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-12 18:03:48,743 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-12 18:03:48,821 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-12 18:03:48,821 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-12 18:03:48,821 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-12 18:03:48,821 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-12 18:03:48,822 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-12 18:03:48,822 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-12 18:03:48,822 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-12 18:03:48,822 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-12 18:03:48,965 INFO L276 IsEmpty]: Start isEmpty. Operand 10447 states. [2018-11-12 18:03:49,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10213 [2018-11-12 18:03:49,620 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:03:49,629 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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, 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, 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, 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, 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, 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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, 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, 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, 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, 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, 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, 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] [2018-11-12 18:03:49,633 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:03:49,639 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:03:49,647 INFO L82 PathProgramCache]: Analyzing trace with hash -1247563941, now seen corresponding path program 1 times [2018-11-12 18:03:49,649 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:03:49,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:03:49,701 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:03:49,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:03:49,702 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:03:52,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:05:36,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 18:05:36,854 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 18:05:36,855 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-12 18:05:36,856 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:05:36,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-12 18:05:36,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-12 18:05:36,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-12 18:05:36,893 INFO L87 Difference]: Start difference. First operand 10447 states. Second operand 3 states. Received shutdown request... [2018-11-12 18:06:34,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-12 18:06:34,586 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-12 18:06:34,594 WARN L205 ceAbstractionStarter]: Timeout [2018-11-12 18:06:34,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 06:06:34 BoogieIcfgContainer [2018-11-12 18:06:34,594 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-12 18:06:34,595 INFO L168 Benchmark]: Toolchain (without parser) took 242291.43 ms. Allocated memory was 1.5 GB in the beginning and 4.5 GB in the end (delta: 3.0 GB). Free memory was 1.2 GB in the beginning and 3.0 GB in the end (delta: -1.8 GB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-11-12 18:06:34,598 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-12 18:06:34,598 INFO L168 Benchmark]: CACSL2BoogieTranslator took 21389.67 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 686.3 MB). Free memory was 1.2 GB in the beginning and 812.4 MB in the end (delta: 372.2 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-11-12 18:06:34,599 INFO L168 Benchmark]: Boogie Procedure Inliner took 3504.02 ms. Allocated memory was 2.2 GB in the beginning and 3.2 GB in the end (delta: 976.7 MB). Free memory was 812.4 MB in the beginning and 2.8 GB in the end (delta: -1.9 GB). Peak memory consumption was 204.0 MB. Max. memory is 7.1 GB. [2018-11-12 18:06:34,600 INFO L168 Benchmark]: Boogie Preprocessor took 2109.69 ms. Allocated memory is still 3.2 GB. Free memory was 2.8 GB in the beginning and 2.4 GB in the end (delta: 397.9 MB). Peak memory consumption was 397.9 MB. Max. memory is 7.1 GB. [2018-11-12 18:06:34,601 INFO L168 Benchmark]: RCFGBuilder took 49384.98 ms. Allocated memory was 3.2 GB in the beginning and 3.9 GB in the end (delta: 687.3 MB). Free memory was 2.4 GB in the beginning and 2.8 GB in the end (delta: -419.1 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-11-12 18:06:34,603 INFO L168 Benchmark]: TraceAbstraction took 165898.60 ms. Allocated memory was 3.9 GB in the beginning and 4.5 GB in the end (delta: 660.1 MB). Free memory was 2.8 GB in the beginning and 3.0 GB in the end (delta: -192.9 MB). Peak memory consumption was 467.2 MB. Max. memory is 7.1 GB. [2018-11-12 18:06:34,609 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 21389.67 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 686.3 MB). Free memory was 1.2 GB in the beginning and 812.4 MB in the end (delta: 372.2 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 3504.02 ms. Allocated memory was 2.2 GB in the beginning and 3.2 GB in the end (delta: 976.7 MB). Free memory was 812.4 MB in the beginning and 2.8 GB in the end (delta: -1.9 GB). Peak memory consumption was 204.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 2109.69 ms. Allocated memory is still 3.2 GB. Free memory was 2.8 GB in the beginning and 2.4 GB in the end (delta: 397.9 MB). Peak memory consumption was 397.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 49384.98 ms. Allocated memory was 3.2 GB in the beginning and 3.9 GB in the end (delta: 687.3 MB). Free memory was 2.4 GB in the beginning and 2.8 GB in the end (delta: -419.1 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. * TraceAbstraction took 165898.60 ms. Allocated memory was 3.9 GB in the beginning and 4.5 GB in the end (delta: 660.1 MB). Free memory was 2.8 GB in the beginning and 3.0 GB in the end (delta: -192.9 MB). Peak memory consumption was 467.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 73583]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 73583). Cancelled while BasicCegarLoop was constructing difference of abstraction (10447states) and FLOYD_HOARE automaton (currently 3 states, 3 states before enhancement),while ReachableStatesComputation was computing reachable states (28996 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 10447 locations, 1 error locations. TIMEOUT Result, 165.7s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 57.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 832 SDtfs, 653 SDslu, 223 SDs, 0 SdLazy, 29176 SolverSat, 15601 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 46.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 47 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10447occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.6s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 31.9s InterpolantComputationTime, 10212 NumberOfCodeBlocks, 10212 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10211 ConstructedInterpolants, 0 QuantifiedInterpolants, 416996818 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown