/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb-v2--dvb-usb-lmedm04.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 03:37:00,080 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 03:37:00,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 03:37:00,101 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 03:37:00,101 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 03:37:00,104 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 03:37:00,105 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 03:37:00,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 03:37:00,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 03:37:00,120 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 03:37:00,121 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 03:37:00,122 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 03:37:00,123 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 03:37:00,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 03:37:00,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 03:37:00,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 03:37:00,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 03:37:00,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 03:37:00,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 03:37:00,130 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 03:37:00,132 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 03:37:00,133 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 03:37:00,134 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 03:37:00,135 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 03:37:00,137 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 03:37:00,137 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 03:37:00,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 03:37:00,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 03:37:00,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 03:37:00,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 03:37:00,139 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 03:37:00,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 03:37:00,141 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 03:37:00,142 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 03:37:00,143 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 03:37:00,143 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 03:37:00,143 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 03:37:00,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 03:37:00,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 03:37:00,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 03:37:00,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 03:37:00,146 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 03:37:00,169 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 03:37:00,169 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 03:37:00,170 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 03:37:00,170 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 03:37:00,171 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 03:37:00,171 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 03:37:00,171 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 03:37:00,171 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 03:37:00,171 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 03:37:00,171 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 03:37:00,172 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 03:37:00,172 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 03:37:00,172 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 03:37:00,172 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 03:37:00,172 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 03:37:00,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 03:37:00,173 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 03:37:00,173 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 03:37:00,175 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 03:37:00,175 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 03:37:00,175 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 03:37:00,176 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 03:37:00,176 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 03:37:00,176 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 03:37:00,176 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 03:37:00,176 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 03:37:00,177 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 03:37:00,177 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 03:37:00,178 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 03:37:00,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 03:37:00,178 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 03:37:00,179 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 03:37:00,179 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 03:37:00,179 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 03:37:00,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 03:37:00,180 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 03:37:00,180 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 03:37:00,180 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 03:37:00,492 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 03:37:00,516 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 03:37:00,520 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 03:37:00,521 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 03:37:00,522 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 03:37:00,523 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb-v2--dvb-usb-lmedm04.ko-entry_point.cil.out.i [2019-11-24 03:37:00,595 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/106bbb999/0b397daa1b354239b1094fdecbbd2254/FLAG8fc220b06 [2019-11-24 03:37:01,522 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 03:37:01,523 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb-v2--dvb-usb-lmedm04.ko-entry_point.cil.out.i [2019-11-24 03:37:01,569 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/106bbb999/0b397daa1b354239b1094fdecbbd2254/FLAG8fc220b06 [2019-11-24 03:37:01,953 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/106bbb999/0b397daa1b354239b1094fdecbbd2254 [2019-11-24 03:37:01,962 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 03:37:01,963 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 03:37:01,964 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 03:37:01,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 03:37:01,967 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 03:37:01,968 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 03:37:01" (1/1) ... [2019-11-24 03:37:01,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d37259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:37:01, skipping insertion in model container [2019-11-24 03:37:01,971 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 03:37:01" (1/1) ... [2019-11-24 03:37:01,979 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 03:37:02,172 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 03:37:04,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 03:37:04,391 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 03:37:04,842 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 03:37:05,318 INFO L208 MainTranslator]: Completed translation [2019-11-24 03:37:05,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:37:05 WrapperNode [2019-11-24 03:37:05,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 03:37:05,320 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 03:37:05,320 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 03:37:05,321 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 03:37:05,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:37:05" (1/1) ... [2019-11-24 03:37:05,455 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:37:05" (1/1) ... [2019-11-24 03:37:05,761 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 03:37:05,762 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 03:37:05,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 03:37:05,762 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 03:37:05,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:37:05" (1/1) ... [2019-11-24 03:37:05,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:37:05" (1/1) ... [2019-11-24 03:37:05,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:37:05" (1/1) ... [2019-11-24 03:37:05,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:37:05" (1/1) ... [2019-11-24 03:37:06,136 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:37:05" (1/1) ... [2019-11-24 03:37:06,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:37:05" (1/1) ... [2019-11-24 03:37:06,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:37:05" (1/1) ... [2019-11-24 03:37:06,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 03:37:06,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 03:37:06,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 03:37:06,305 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 03:37:06,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:37:05" (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 [2019-11-24 03:37:06,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-24 03:37:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-24 03:37:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 03:37:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-24 03:37:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 03:37:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-24 03:37:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-24 03:37:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-24 03:37:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 03:37:06,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 03:37:06,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-24 03:37:06,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-24 03:37:06,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 03:37:06,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 03:37:06,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 03:38:24,566 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 03:38:24,566 INFO L284 CfgBuilder]: Removed 1357 assume(true) statements. [2019-11-24 03:38:24,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 03:38:24 BoogieIcfgContainer [2019-11-24 03:38:24,568 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 03:38:24,569 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 03:38:24,569 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 03:38:24,572 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 03:38:24,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 03:37:01" (1/3) ... [2019-11-24 03:38:24,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16130a2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 03:38:24, skipping insertion in model container [2019-11-24 03:38:24,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:37:05" (2/3) ... [2019-11-24 03:38:24,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16130a2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 03:38:24, skipping insertion in model container [2019-11-24 03:38:24,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 03:38:24" (3/3) ... [2019-11-24 03:38:24,575 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb-v2--dvb-usb-lmedm04.ko-entry_point.cil.out.i [2019-11-24 03:38:24,583 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 03:38:24,592 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 59 error locations. [2019-11-24 03:38:24,600 INFO L249 AbstractCegarLoop]: Starting to check reachability of 59 error locations. [2019-11-24 03:38:24,628 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 03:38:24,628 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 03:38:24,628 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 03:38:24,628 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 03:38:24,628 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 03:38:24,628 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 03:38:24,628 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 03:38:24,629 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 03:38:24,664 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states. [2019-11-24 03:38:24,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-24 03:38:24,671 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 03:38:24,672 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 03:38:24,673 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 03:38:24,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 03:38:24,679 INFO L82 PathProgramCache]: Analyzing trace with hash -802693037, now seen corresponding path program 1 times [2019-11-24 03:38:24,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 03:38:24,689 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862872471] [2019-11-24 03:38:24,689 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 03:38:25,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 03:38:25,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 03:38:25,541 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862872471] [2019-11-24 03:38:25,542 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 03:38:25,543 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 03:38:25,544 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56988431] [2019-11-24 03:38:25,549 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 03:38:25,549 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 03:38:25,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 03:38:25,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 03:38:25,566 INFO L87 Difference]: Start difference. First operand 680 states. Second operand 3 states. [2019-11-24 03:38:26,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 03:38:26,187 INFO L93 Difference]: Finished difference Result 1958 states and 3085 transitions. [2019-11-24 03:38:26,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 03:38:26,189 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2019-11-24 03:38:26,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 03:38:26,229 INFO L225 Difference]: With dead ends: 1958 [2019-11-24 03:38:26,229 INFO L226 Difference]: Without dead ends: 1277 [2019-11-24 03:38:26,239 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 03:38:26,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1277 states. [2019-11-24 03:38:26,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1277 to 1161. [2019-11-24 03:38:26,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1161 states. [2019-11-24 03:38:26,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 1161 states and 1828 transitions. [2019-11-24 03:38:26,370 INFO L78 Accepts]: Start accepts. Automaton has 1161 states and 1828 transitions. Word has length 21 [2019-11-24 03:38:26,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 03:38:26,370 INFO L462 AbstractCegarLoop]: Abstraction has 1161 states and 1828 transitions. [2019-11-24 03:38:26,371 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 03:38:26,371 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states and 1828 transitions. [2019-11-24 03:38:26,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-24 03:38:26,372 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 03:38:26,372 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 03:38:26,373 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 03:38:26,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 03:38:26,373 INFO L82 PathProgramCache]: Analyzing trace with hash 293870194, now seen corresponding path program 1 times [2019-11-24 03:38:26,374 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 03:38:26,374 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258541846] [2019-11-24 03:38:26,374 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 03:38:26,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 03:38:26,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 03:38:26,759 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258541846] [2019-11-24 03:38:26,760 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 03:38:26,760 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 03:38:26,760 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348852989] [2019-11-24 03:38:26,761 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 03:38:26,762 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 03:38:26,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 03:38:26,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 03:38:26,763 INFO L87 Difference]: Start difference. First operand 1161 states and 1828 transitions. Second operand 3 states. [2019-11-24 03:38:29,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 03:38:29,406 INFO L93 Difference]: Finished difference Result 3431 states and 5398 transitions. [2019-11-24 03:38:29,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 03:38:29,407 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2019-11-24 03:38:29,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 03:38:29,419 INFO L225 Difference]: With dead ends: 3431 [2019-11-24 03:38:29,419 INFO L226 Difference]: Without dead ends: 2284 [2019-11-24 03:38:29,422 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 03:38:29,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2284 states. [2019-11-24 03:38:29,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2284 to 2176. [2019-11-24 03:38:29,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2176 states. [2019-11-24 03:38:29,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2176 states to 2176 states and 3537 transitions. [2019-11-24 03:38:29,488 INFO L78 Accepts]: Start accepts. Automaton has 2176 states and 3537 transitions. Word has length 23 [2019-11-24 03:38:29,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 03:38:29,489 INFO L462 AbstractCegarLoop]: Abstraction has 2176 states and 3537 transitions. [2019-11-24 03:38:29,489 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 03:38:29,489 INFO L276 IsEmpty]: Start isEmpty. Operand 2176 states and 3537 transitions. [2019-11-24 03:38:29,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-24 03:38:29,491 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 03:38:29,491 INFO L410 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] [2019-11-24 03:38:29,492 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 03:38:29,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 03:38:29,492 INFO L82 PathProgramCache]: Analyzing trace with hash -554611371, now seen corresponding path program 1 times [2019-11-24 03:38:29,493 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 03:38:29,493 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080441957] [2019-11-24 03:38:29,493 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 03:38:29,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 03:38:29,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 03:38:29,824 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080441957] [2019-11-24 03:38:29,825 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 03:38:29,825 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 03:38:29,825 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822482464] [2019-11-24 03:38:29,826 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 03:38:29,826 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 03:38:29,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 03:38:29,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 03:38:29,827 INFO L87 Difference]: Start difference. First operand 2176 states and 3537 transitions. Second operand 3 states. [2019-11-24 03:38:30,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 03:38:30,493 INFO L93 Difference]: Finished difference Result 5636 states and 9148 transitions. [2019-11-24 03:38:30,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 03:38:30,494 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-11-24 03:38:30,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 03:38:30,512 INFO L225 Difference]: With dead ends: 5636 [2019-11-24 03:38:30,512 INFO L226 Difference]: Without dead ends: 3474 [2019-11-24 03:38:30,516 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 03:38:30,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3474 states. [2019-11-24 03:38:30,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3474 to 3398. [2019-11-24 03:38:30,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3398 states. [2019-11-24 03:38:30,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3398 states to 3398 states and 5585 transitions. [2019-11-24 03:38:30,681 INFO L78 Accepts]: Start accepts. Automaton has 3398 states and 5585 transitions. Word has length 25 [2019-11-24 03:38:30,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 03:38:30,682 INFO L462 AbstractCegarLoop]: Abstraction has 3398 states and 5585 transitions. [2019-11-24 03:38:30,682 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 03:38:30,682 INFO L276 IsEmpty]: Start isEmpty. Operand 3398 states and 5585 transitions. [2019-11-24 03:38:30,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-24 03:38:30,684 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 03:38:30,684 INFO L410 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] [2019-11-24 03:38:30,685 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 03:38:30,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 03:38:30,685 INFO L82 PathProgramCache]: Analyzing trace with hash 1399204079, now seen corresponding path program 1 times [2019-11-24 03:38:30,686 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 03:38:30,686 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273846867] [2019-11-24 03:38:30,687 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 03:38:30,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat