java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem06_label38_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-23 18:48:56,793 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 18:48:56,797 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 18:48:56,818 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 18:48:56,818 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 18:48:56,820 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 18:48:56,821 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 18:48:56,824 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 18:48:56,827 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 18:48:56,827 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 18:48:56,828 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 18:48:56,829 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 18:48:56,830 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 18:48:56,831 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 18:48:56,832 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 18:48:56,833 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 18:48:56,834 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 18:48:56,836 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 18:48:56,838 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 18:48:56,840 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 18:48:56,841 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 18:48:56,842 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 18:48:56,845 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 18:48:56,845 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 18:48:56,845 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 18:48:56,846 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 18:48:56,848 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 18:48:56,848 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 18:48:56,849 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 18:48:56,851 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 18:48:56,851 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 18:48:56,852 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 18:48:56,852 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 18:48:56,852 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 18:48:56,853 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 18:48:56,854 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 18:48:56,854 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf [2018-07-23 18:48:56,885 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 18:48:56,887 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 18:48:56,888 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-23 18:48:56,889 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-23 18:48:56,889 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-23 18:48:56,889 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-23 18:48:56,889 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-23 18:48:56,889 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-23 18:48:56,890 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-23 18:48:56,890 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-23 18:48:56,890 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-23 18:48:56,892 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-23 18:48:56,892 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-23 18:48:56,892 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-23 18:48:56,893 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-23 18:48:56,893 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-23 18:48:56,893 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-23 18:48:56,894 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-23 18:48:56,894 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-23 18:48:56,894 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 18:48:56,894 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-23 18:48:56,895 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-23 18:48:56,895 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-23 18:48:56,895 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 18:48:56,895 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 18:48:56,896 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-23 18:48:56,897 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-23 18:48:56,897 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-23 18:48:56,897 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-23 18:48:56,898 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-23 18:48:56,898 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 18:48:56,898 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-23 18:48:56,898 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-23 18:48:56,977 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 18:48:56,995 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 18:48:57,002 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 18:48:57,004 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-23 18:48:57,004 INFO L276 PluginConnector]: CDTParser initialized [2018-07-23 18:48:57,006 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem06_label38_false-unreach-call.c [2018-07-23 18:48:57,350 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e37c1e0ae/5c0ffda6e43a4d83a6145b42a94a3e43/FLAG3c07bdece [2018-07-23 18:48:58,026 INFO L276 CDTParser]: Found 1 translation units. [2018-07-23 18:48:58,027 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem06_label38_false-unreach-call.c [2018-07-23 18:48:58,081 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e37c1e0ae/5c0ffda6e43a4d83a6145b42a94a3e43/FLAG3c07bdece [2018-07-23 18:48:58,097 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e37c1e0ae/5c0ffda6e43a4d83a6145b42a94a3e43 [2018-07-23 18:48:58,112 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 18:48:58,114 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-23 18:48:58,117 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-23 18:48:58,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-23 18:48:58,126 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-23 18:48:58,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 06:48:58" (1/1) ... [2018-07-23 18:48:58,131 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10b13918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:48:58, skipping insertion in model container [2018-07-23 18:48:58,131 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 06:48:58" (1/1) ... [2018-07-23 18:48:58,595 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-23 18:49:00,398 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 18:49:00,422 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-23 18:49:01,911 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 18:49:02,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:49:02 WrapperNode [2018-07-23 18:49:02,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-23 18:49:02,240 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-23 18:49:02,240 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-23 18:49:02,241 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-23 18:49:02,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:49:02" (1/1) ... [2018-07-23 18:49:02,542 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:49:02" (1/1) ... [2018-07-23 18:49:02,634 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-23 18:49:02,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 18:49:02,635 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 18:49:02,635 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 18:49:03,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:49:02" (1/1) ... [2018-07-23 18:49:03,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:49:02" (1/1) ... [2018-07-23 18:49:03,390 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:49:02" (1/1) ... [2018-07-23 18:49:03,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:49:02" (1/1) ... [2018-07-23 18:49:03,645 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:49:02" (1/1) ... [2018-07-23 18:49:03,699 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:49:02" (1/1) ... [2018-07-23 18:49:03,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:49:02" (1/1) ... [2018-07-23 18:49:03,821 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 18:49:03,822 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 18:49:03,822 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 18:49:03,822 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 18:49:03,825 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:49:02" (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 [2018-07-23 18:49:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-23 18:49:03,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-23 18:49:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output4 [2018-07-23 18:49:03,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output4 [2018-07-23 18:49:03,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 18:49:03,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 18:49:03,909 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output5 [2018-07-23 18:49:03,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output5 [2018-07-23 18:49:03,910 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 18:49:03,910 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 18:49:03,910 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output2 [2018-07-23 18:49:03,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output2 [2018-07-23 18:49:03,911 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output3 [2018-07-23 18:49:03,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output3 [2018-07-23 18:49:03,912 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output [2018-07-23 18:49:03,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output [2018-07-23 18:49:17,506 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 18:49:17,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 06:49:17 BoogieIcfgContainer [2018-07-23 18:49:17,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 18:49:17,508 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 18:49:17,508 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 18:49:17,511 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 18:49:17,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 06:48:58" (1/3) ... [2018-07-23 18:49:17,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1913571f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 06:49:17, skipping insertion in model container [2018-07-23 18:49:17,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:49:02" (2/3) ... [2018-07-23 18:49:17,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1913571f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 06:49:17, skipping insertion in model container [2018-07-23 18:49:17,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 06:49:17" (3/3) ... [2018-07-23 18:49:17,516 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem06_label38_false-unreach-call.c [2018-07-23 18:49:17,526 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-23 18:49:17,538 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 18:49:17,611 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 18:49:17,612 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 18:49:17,612 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 18:49:17,613 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-23 18:49:17,613 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 18:49:17,613 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 18:49:17,613 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 18:49:17,613 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 18:49:17,613 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 18:49:17,670 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states. [2018-07-23 18:49:17,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 954 [2018-07-23 18:49:17,738 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 18:49:17,741 INFO L353 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 18:49:17,741 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output5Err0AssertViolationERROR_FUNCTION]=== [2018-07-23 18:49:17,748 INFO L82 PathProgramCache]: Analyzing trace with hash -2078526272, now seen corresponding path program 1 times [2018-07-23 18:49:17,751 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 18:49:17,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:49:17,807 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 18:49:17,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:49:17,808 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 18:49:18,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 18:49:20,309 WARN L169 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 18:49:22,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 18:49:22,179 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 18:49:22,180 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 18:49:22,180 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 18:49:22,189 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 18:49:22,205 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 18:49:22,206 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 18:49:22,209 INFO L87 Difference]: Start difference. First operand 1316 states. Second operand 3 states. [2018-07-23 18:49:32,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 18:49:32,015 INFO L93 Difference]: Finished difference Result 3736 states and 6973 transitions. [2018-07-23 18:49:32,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 18:49:32,018 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 953 [2018-07-23 18:49:32,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 18:49:32,068 INFO L225 Difference]: With dead ends: 3736 [2018-07-23 18:49:32,068 INFO L226 Difference]: Without dead ends: 2418 [2018-07-23 18:49:32,079 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 6 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 18:49:32,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2418 states. [2018-07-23 18:49:32,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2418 to 2399. [2018-07-23 18:49:32,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2399 states. [2018-07-23 18:49:32,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2399 states to 2399 states and 4263 transitions. [2018-07-23 18:49:32,287 INFO L78 Accepts]: Start accepts. Automaton has 2399 states and 4263 transitions. Word has length 953 [2018-07-23 18:49:32,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 18:49:32,292 INFO L471 AbstractCegarLoop]: Abstraction has 2399 states and 4263 transitions. [2018-07-23 18:49:32,292 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 18:49:32,292 INFO L276 IsEmpty]: Start isEmpty. Operand 2399 states and 4263 transitions. [2018-07-23 18:49:32,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 963 [2018-07-23 18:49:32,333 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 18:49:32,334 INFO L353 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 18:49:32,334 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output5Err0AssertViolationERROR_FUNCTION]=== [2018-07-23 18:49:32,335 INFO L82 PathProgramCache]: Analyzing trace with hash -878870584, now seen corresponding path program 1 times [2018-07-23 18:49:32,335 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 18:49:32,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:49:32,338 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 18:49:32,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:49:32,338 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 18:49:32,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 18:49:32,753 WARN L169 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 18:49:33,468 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 18:49:33,469 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 18:49:33,469 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-23 18:49:33,469 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 18:49:33,472 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-23 18:49:33,473 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-23 18:49:33,473 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-23 18:49:33,473 INFO L87 Difference]: Start difference. First operand 2399 states and 4263 transitions. Second operand 5 states. [2018-07-23 18:49:49,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 18:49:49,533 INFO L93 Difference]: Finished difference Result 7088 states and 12809 transitions. [2018-07-23 18:49:49,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 18:49:49,542 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 962 [2018-07-23 18:49:49,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 18:49:49,583 INFO L225 Difference]: With dead ends: 7088 [2018-07-23 18:49:49,584 INFO L226 Difference]: Without dead ends: 4695 [2018-07-23 18:49:49,595 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-23 18:49:49,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4695 states. [2018-07-23 18:49:49,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4695 to 4598. [2018-07-23 18:49:49,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4598 states. [2018-07-23 18:49:49,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4598 states to 4598 states and 7905 transitions. [2018-07-23 18:49:49,796 INFO L78 Accepts]: Start accepts. Automaton has 4598 states and 7905 transitions. Word has length 962 [2018-07-23 18:49:49,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 18:49:49,798 INFO L471 AbstractCegarLoop]: Abstraction has 4598 states and 7905 transitions. [2018-07-23 18:49:49,799 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-23 18:49:49,799 INFO L276 IsEmpty]: Start isEmpty. Operand 4598 states and 7905 transitions. [2018-07-23 18:49:49,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 975 [2018-07-23 18:49:49,835 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 18:49:49,836 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 18:49:49,836 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output5Err0AssertViolationERROR_FUNCTION]=== [2018-07-23 18:49:49,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1861876103, now seen corresponding path program 1 times [2018-07-23 18:49:49,837 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 18:49:49,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:49:49,839 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 18:49:49,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:49:49,840 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 18:49:49,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 18:49:50,307 WARN L169 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 18:49:50,996 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 18:49:50,996 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 18:49:50,997 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 18:49:50,997 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 18:49:50,998 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 18:49:50,999 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 18:49:50,999 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-23 18:49:50,999 INFO L87 Difference]: Start difference. First operand 4598 states and 7905 transitions. Second operand 6 states. [2018-07-23 18:50:01,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 18:50:01,458 INFO L93 Difference]: Finished difference Result 11557 states and 19964 transitions. [2018-07-23 18:50:01,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 18:50:01,459 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 974 [2018-07-23 18:50:01,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 18:50:01,512 INFO L225 Difference]: With dead ends: 11557 [2018-07-23 18:50:01,513 INFO L226 Difference]: Without dead ends: 6965 [2018-07-23 18:50:01,532 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-23 18:50:01,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6965 states. [2018-07-23 18:50:01,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6965 to 6861. [2018-07-23 18:50:01,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6861 states. [2018-07-23 18:50:01,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6861 states to 6861 states and 10930 transitions. [2018-07-23 18:50:01,785 INFO L78 Accepts]: Start accepts. Automaton has 6861 states and 10930 transitions. Word has length 974 [2018-07-23 18:50:01,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 18:50:01,786 INFO L471 AbstractCegarLoop]: Abstraction has 6861 states and 10930 transitions. [2018-07-23 18:50:01,786 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 18:50:01,786 INFO L276 IsEmpty]: Start isEmpty. Operand 6861 states and 10930 transitions. [2018-07-23 18:50:01,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 992 [2018-07-23 18:50:01,825 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 18:50:01,826 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 18:50:01,826 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output5Err0AssertViolationERROR_FUNCTION]=== [2018-07-23 18:50:01,827 INFO L82 PathProgramCache]: Analyzing trace with hash -106020015, now seen corresponding path program 1 times [2018-07-23 18:50:01,827 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 18:50:01,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:50:01,829 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 18:50:01,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:50:01,829 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 18:50:01,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 18:50:02,769 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 18:50:02,770 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 18:50:02,770 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 18:50:02,772 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 992 with the following transitions: [2018-07-23 18:50:02,778 INFO L201 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [81], [85], [89], [93], [97], [101], [105], [109], [113], [117], [121], [132], [136], [147], [151], [155], [159], [163], [174], [178], [182], [186], [190], [194], [205], [209], [213], [217], [221], [225], [229], [240], [244], [248], [252], [256], [260], [271], [282], [293], [297], [301], [312], [316], [320], [324], [328], [332], [336], [340], [344], [348], [352], [363], [367], [371], [375], [379], [390], [401], [405], [416], [420], [424], [428], [432], [436], [440], [444], [448], [452], [456], [467], [478], [489], [493], [497], [501], [505], [509], [513], [517], [521], [532], [536], [540], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [598], [609], [613], [617], [621], [625], [629], [633], [637], [648], [652], [656], [660], [664], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [766], [770], [774], [778], [782], [786], [797], [801], [805], [816], [820], [824], [828], [832], [836], [840], [844], [848], [852], [856], [860], [864], [868], [872], [876], [880], [884], [888], [892], [896], [900], [904], [908], [912], [916], [927], [931], [935], [939], [943], [947], [951], [955], [959], [963], [974], [985], [989], [993], [997], [1001], [1012], [1023], [1027], [1031], [1042], [1046], [1050], [1054], [1058], [1062], [1066], [1070], [1074], [1078], [1082], [1086], [1090], [1101], [1105], [1109], [1113], [1120], [1124], [1135], [1146], [1150], [1154], [1158], [1169], [1173], [1177], [1181], [1185], [1189], [1200], [1204], [1208], [1219], [1223], [1227], [1231], [1235], [1239], [1243], [1247], [1251], [1255], [1259], [1263], [1267], [1271], [1275], [1279], [1283], [1287], [1291], [1295], [1299], [1303], [1307], [1311], [1315], [1319], [1330], [1334], [1338], [1345], [1353], [1361], [1369], [1377], [1385], [1393], [1401], [1405], [1407], [1830], [1834], [1840], [1844], [1846], [1851], [1855], [1859], [1863], [1867], [1871], [1875], [1886], [1890], [1894], [1898], [1909], [1913], [1917], [1921], [1932], [1936], [1940], [1944], [1948], [1952], [1956], [1960], [1964], [1968], [1972], [1976], [1980], [1984], [1995], [1999], [2003], [2007], [2011], [2015], [2019], [2023], [2027], [2031], [2035], [2039], [2043], [2047], [2051], [2055], [2059], [2063], [2074], [2078], [2082], [2086], [2090], [2094], [2098], [2109], [2113], [2117], [2121], [2125], [2136], [2147], [2151], [2155], [2159], [2170], [2174], [2178], [2182], [2186], [2190], [2194], [2198], [2209], [2213], [2217], [2221], [2225], [2229], [2233], [2237], [2241], [2245], [2256], [2260], [2264], [2268], [2272], [2276], [2280], [2284], [2288], [2292], [2296], [2300], [2304], [2315], [2319], [2323], [2327], [2331], [2342], [2346], [2357], [2368], [2372], [2376], [2380], [2384], [2388], [2392], [2396], [2400], [2404], [2408], [2412], [2416], [2420], [2431], [2435], [2439], [2443], [2447], [2451], [2455], [2459], [2470], [2474], [2478], [2482], [2493], [2504], [2508], [2512], [2516], [2520], [2524], [2528], [2532], [2536], [2540], [2544], [2548], [2552], [2556], [2560], [2564], [2568], [2572], [2576], [2580], [2584], [2588], [2592], [2596], [2600], [2604], [2608], [2612], [2616], [2620], [2624], [2628], [2632], [2636], [2640], [2651], [2655], [2659], [2663], [2667], [2671], [2675], [2679], [2683], [2687], [2691], [2695], [2699], [2703], [2707], [2718], [2722], [2726], [2730], [2734], [2738], [2742], [2746], [2750], [2754], [2758], [2762], [2766], [2777], [2781], [2785], [2789], [2793], [2797], [2801], [2805], [2809], [2813], [2824], [2828], [2832], [2836], [2840], 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[4637], [4641], [4645], [4656], [4660], [4664], [4668], [4672], [4676], [4680], [4684], [4688], [4692], [4696], [4700], [4704], [4708], [4712], [4716], [4720], [4724], [4728], [4739], [4743], [4747], [4751], [4755], [4766], [4770], [4774], [4778], [4782], [4786], [4790], [4794], [4798], [4802], [4806], [4810], [4814], [4818], [4822], [4826], [4830], [4834], [4838], [4842], [4846], [4850], [4854], [4858], [4869], [4880], [4884], [4888], [4892], [4896], [4900], [4904], [4908], [4912], [4923], [4927], [4931], [4935], [4946], [4957], [4961], [4965], [4969], [4973], [4984], [4988], [4992], [4996], [5000], [5004], [5008], [5012], [5023], [5027], [5031], [5034], [5035], [5037], [5038], [5039], [5041], [5042], [5043], [5045], [5047] [2018-07-23 18:50:02,948 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 18:50:02,949 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... [2018-07-23 18:53:13,035 WARN L571 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-07-23 18:53:13,035 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-07-23 18:53:13,037 INFO L419 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-07-23 18:53:13,037 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 18:53:13,037 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-23 18:53:13,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 18:53:13,049 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-23 18:53:13,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 18:53:13,808 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-23 18:53:13,848 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-07-23 18:53:14,050 WARN L512 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-23 18:53:14,051 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 18:53:14,055 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 18:53:14,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 06:53:14 BoogieIcfgContainer [2018-07-23 18:53:14,056 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 18:53:14,057 INFO L168 Benchmark]: Toolchain (without parser) took 255944.50 ms. Allocated memory was 1.5 GB in the beginning and 3.8 GB in the end (delta: 2.3 GB). Free memory was 1.4 GB in the beginning and 3.1 GB in the end (delta: -1.7 GB). Peak memory consumption was 634.2 MB. Max. memory is 7.1 GB. [2018-07-23 18:53:14,058 INFO L168 Benchmark]: CDTParser took 0.28 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. [2018-07-23 18:53:14,059 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4122.22 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 959.1 MB in the end (delta: 406.9 MB). Peak memory consumption was 406.9 MB. Max. memory is 7.1 GB. [2018-07-23 18:53:14,060 INFO L168 Benchmark]: Boogie Procedure Inliner took 394.06 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 217.6 MB). Free memory was 959.1 MB in the beginning and 1.6 GB in the end (delta: -641.7 MB). Peak memory consumption was 75.1 MB. Max. memory is 7.1 GB. [2018-07-23 18:53:14,062 INFO L168 Benchmark]: Boogie Preprocessor took 1186.98 ms. Allocated memory was 1.7 GB in the beginning and 2.3 GB in the end (delta: 581.4 MB). Free memory was 1.6 GB in the beginning and 2.1 GB in the end (delta: -547.6 MB). Peak memory consumption was 108.9 MB. Max. memory is 7.1 GB. [2018-07-23 18:53:14,063 INFO L168 Benchmark]: RCFGBuilder took 13684.86 ms. Allocated memory was 2.3 GB in the beginning and 2.7 GB in the end (delta: 347.6 MB). Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 84.8 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-07-23 18:53:14,065 INFO L168 Benchmark]: TraceAbstraction took 236548.30 ms. Allocated memory was 2.7 GB in the beginning and 3.8 GB in the end (delta: 1.2 GB). Free memory was 2.1 GB in the beginning and 3.1 GB in the end (delta: -987.1 MB). Peak memory consumption was 185.3 MB. Max. memory is 7.1 GB. [2018-07-23 18:53:14,078 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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 4122.22 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 959.1 MB in the end (delta: 406.9 MB). Peak memory consumption was 406.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 394.06 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 217.6 MB). Free memory was 959.1 MB in the beginning and 1.6 GB in the end (delta: -641.7 MB). Peak memory consumption was 75.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1186.98 ms. Allocated memory was 1.7 GB in the beginning and 2.3 GB in the end (delta: 581.4 MB). Free memory was 1.6 GB in the beginning and 2.1 GB in the end (delta: -547.6 MB). Peak memory consumption was 108.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 13684.86 ms. Allocated memory was 2.3 GB in the beginning and 2.7 GB in the end (delta: 347.6 MB). Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 84.8 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * TraceAbstraction took 236548.30 ms. Allocated memory was 2.7 GB in the beginning and 3.8 GB in the end (delta: 1.2 GB). Free memory was 2.1 GB in the beginning and 3.1 GB in the end (delta: -987.1 MB). Peak memory consumption was 185.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 9306]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 9306). Cancelled while BasicCegarLoop was analyzing trace of length 992 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 5 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 1316 locations, 1 error locations. TIMEOUT Result, 236.4s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 36.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1744 SDtfs, 9718 SDslu, 1716 SDs, 0 SdLazy, 15540 SolverSat, 3960 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 30.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 7 SyntacticMatches, 8 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6861occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 190.2s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 3 MinimizatonAttempts, 220 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 2889 NumberOfCodeBlocks, 2889 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 2886 ConstructedInterpolants, 0 QuantifiedInterpolants, 5628509 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 24/24 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem06_label38_false-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-23_18-53-14-103.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem06_label38_false-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_18-53-14-103.csv Completed graceful shutdown