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 --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem05_label52_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-3142e50-m [2018-09-11 10:18:26,785 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-11 10:18:26,789 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-11 10:18:26,808 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-11 10:18:26,808 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-11 10:18:26,810 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-11 10:18:26,811 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-11 10:18:26,813 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-11 10:18:26,815 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-11 10:18:26,816 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-11 10:18:26,817 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-11 10:18:26,817 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-11 10:18:26,818 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-11 10:18:26,819 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-11 10:18:26,820 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-11 10:18:26,821 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-11 10:18:26,823 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-11 10:18:26,825 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-11 10:18:26,827 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-11 10:18:26,829 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-11 10:18:26,830 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-11 10:18:26,831 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-11 10:18:26,838 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-11 10:18:26,839 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-11 10:18:26,839 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-11 10:18:26,843 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-11 10:18:26,844 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-11 10:18:26,845 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-11 10:18:26,847 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-11 10:18:26,848 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-11 10:18:26,852 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-11 10:18:26,853 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-11 10:18:26,853 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-11 10:18:26,853 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-11 10:18:26,855 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-11 10:18:26,857 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-11 10:18:26,857 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf [2018-09-11 10:18:26,886 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-11 10:18:26,887 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-11 10:18:26,889 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-11 10:18:26,889 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-11 10:18:26,889 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-11 10:18:26,889 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-11 10:18:26,889 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-11 10:18:26,890 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-11 10:18:26,890 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-11 10:18:26,890 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-11 10:18:26,890 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-11 10:18:26,891 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-11 10:18:26,892 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-11 10:18:26,892 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-11 10:18:26,892 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-11 10:18:26,892 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-11 10:18:26,892 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-11 10:18:26,893 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-11 10:18:26,893 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-11 10:18:26,893 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-11 10:18:26,895 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-11 10:18:26,895 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-11 10:18:26,896 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-11 10:18:26,896 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-11 10:18:26,896 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-11 10:18:26,896 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-11 10:18:26,896 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-11 10:18:26,897 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-11 10:18:26,897 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-11 10:18:26,897 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-11 10:18:26,897 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-11 10:18:26,897 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-11 10:18:26,898 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-11 10:18:26,969 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-11 10:18:26,989 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-11 10:18:26,997 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-11 10:18:26,999 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-11 10:18:27,000 INFO L276 PluginConnector]: CDTParser initialized [2018-09-11 10:18:27,001 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem05_label52_true-unreach-call.c [2018-09-11 10:18:27,430 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36996d563/ffde7466282c44f28b7106e9107243ff/FLAG2546350b1 [2018-09-11 10:18:28,132 INFO L276 CDTParser]: Found 1 translation units. [2018-09-11 10:18:28,133 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem05_label52_true-unreach-call.c [2018-09-11 10:18:28,201 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36996d563/ffde7466282c44f28b7106e9107243ff/FLAG2546350b1 [2018-09-11 10:18:28,227 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36996d563/ffde7466282c44f28b7106e9107243ff [2018-09-11 10:18:28,245 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-11 10:18:28,249 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-11 10:18:28,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-11 10:18:28,253 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-11 10:18:28,261 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-11 10:18:28,263 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 10:18:28" (1/1) ... [2018-09-11 10:18:28,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@600f763c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 10:18:28, skipping insertion in model container [2018-09-11 10:18:28,267 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 10:18:28" (1/1) ... [2018-09-11 10:18:28,842 INFO L180 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-09-11 10:18:30,821 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-11 10:18:30,842 INFO L431 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-11 10:18:32,350 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-11 10:18:32,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 10:18:32 WrapperNode [2018-09-11 10:18:32,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-11 10:18:32,782 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-11 10:18:32,782 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-11 10:18:32,783 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-11 10:18:32,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 10:18:32" (1/1) ... [2018-09-11 10:18:32,900 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 10:18:32" (1/1) ... [2018-09-11 10:18:32,976 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-11 10:18:32,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-11 10:18:32,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-11 10:18:32,977 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-11 10:18:33,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 10:18:32" (1/1) ... [2018-09-11 10:18:33,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 10:18:32" (1/1) ... [2018-09-11 10:18:33,679 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 10:18:32" (1/1) ... [2018-09-11 10:18:33,679 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 10:18:32" (1/1) ... [2018-09-11 10:18:33,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 10:18:32" (1/1) ... [2018-09-11 10:18:33,922 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 10:18:32" (1/1) ... [2018-09-11 10:18:33,990 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 10:18:32" (1/1) ... [2018-09-11 10:18:34,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-11 10:18:34,066 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-11 10:18:34,066 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-11 10:18:34,066 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-11 10:18:34,068 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 10:18:32" (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 [2018-09-11 10:18:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output7 [2018-09-11 10:18:34,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output7 [2018-09-11 10:18:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output8 [2018-09-11 10:18:34,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output8 [2018-09-11 10:18:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output5 [2018-09-11 10:18:34,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output5 [2018-09-11 10:18:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-09-11 10:18:34,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-09-11 10:18:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output6 [2018-09-11 10:18:34,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output6 [2018-09-11 10:18:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output3 [2018-09-11 10:18:34,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output3 [2018-09-11 10:18:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output4 [2018-09-11 10:18:34,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output4 [2018-09-11 10:18:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-11 10:18:34,147 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-11 10:18:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-09-11 10:18:34,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-09-11 10:18:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-11 10:18:34,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-11 10:18:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-11 10:18:34,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-11 10:18:52,123 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-11 10:18:52,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 10:18:52 BoogieIcfgContainer [2018-09-11 10:18:52,124 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-11 10:18:52,128 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-11 10:18:52,128 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-11 10:18:52,132 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-11 10:18:52,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.09 10:18:28" (1/3) ... [2018-09-11 10:18:52,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@440f727e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 10:18:52, skipping insertion in model container [2018-09-11 10:18:52,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 10:18:32" (2/3) ... [2018-09-11 10:18:52,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@440f727e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 10:18:52, skipping insertion in model container [2018-09-11 10:18:52,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 10:18:52" (3/3) ... [2018-09-11 10:18:52,136 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem05_label52_true-unreach-call.c [2018-09-11 10:18:52,147 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-11 10:18:52,162 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-11 10:18:52,261 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-11 10:18:52,262 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-11 10:18:52,263 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-11 10:18:52,263 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-11 10:18:52,263 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-11 10:18:52,263 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-11 10:18:52,263 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-11 10:18:52,263 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-11 10:18:52,264 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-11 10:18:52,339 INFO L276 IsEmpty]: Start isEmpty. Operand 2223 states. [2018-09-11 10:18:52,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1700 [2018-09-11 10:18:52,502 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 10:18:52,505 INFO L376 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] [2018-09-11 10:18:52,507 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output8Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-11 10:18:52,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1506286812, now seen corresponding path program 1 times [2018-09-11 10:18:52,518 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 10:18:52,522 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1700 with the following transitions: [2018-09-11 10:18:52,531 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], 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[8365], [8369], [8373], [8377], [8381], [8385], [8389], [8393], [8397], [8408], [8412], [8416], [8420], [8424], [8428], [8432], [8436], [8447], [8451], [8462], [8466], [8470], [8474], [8478], [8489], [8493], [8497], [8508], [8512], [8516], [8520], [8522], [8524], [8526], [8528], [8530], [8532], [8533], [8534], [8536], [8538] [2018-09-11 10:18:52,749 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-11 10:18:52,749 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 10:22:31,179 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-11 10:22:31,182 INFO L272 AbstractInterpreter]: Visited 1698 different actions 1698 times. Never merged. Never widened. Never found a fixpoint. Largest state had 31 variables. [2018-09-11 10:22:31,202 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown