/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInlineTransformed.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_BITWISE.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec9_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 12:08:57,384 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 12:08:57,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 12:08:57,432 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 12:08:57,432 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 12:08:57,433 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 12:08:57,434 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 12:08:57,435 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 12:08:57,436 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 12:08:57,437 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 12:08:57,437 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 12:08:57,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 12:08:57,438 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 12:08:57,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 12:08:57,440 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 12:08:57,441 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 12:08:57,441 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 12:08:57,442 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 12:08:57,443 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 12:08:57,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 12:08:57,446 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 12:08:57,452 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 12:08:57,453 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 12:08:57,454 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 12:08:57,455 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 12:08:57,456 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 12:08:57,456 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 12:08:57,456 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 12:08:57,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 12:08:57,457 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-01-10 12:08:57,460 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 12:08:57,461 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 12:08:57,461 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 12:08:57,462 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_BITWISE.epf [2022-01-10 12:08:57,476 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 12:08:57,476 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 12:08:57,476 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 12:08:57,476 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 12:08:57,477 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 12:08:57,477 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 12:08:57,477 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 12:08:57,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 12:08:57,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 12:08:57,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 12:08:57,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 12:08:57,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 12:08:57,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 12:08:57,478 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 12:08:57,478 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 12:08:57,478 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 12:08:57,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 12:08:57,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 12:08:57,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 12:08:57,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 12:08:57,479 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 12:08:57,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 12:08:57,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 12:08:57,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 12:08:57,482 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 12:08:57,482 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 12:08:57,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 12:08:57,483 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 12:08:57,483 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 12:08:57,483 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 12:08:57,483 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 12:08:57,483 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 12:08:57,485 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 12:08:57,485 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_BITWISE WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 12:08:57,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 12:08:57,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 12:08:57,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 12:08:57,685 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 12:08:57,686 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 12:08:57,687 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec9_productSimulator.cil.c [2022-01-10 12:08:57,760 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d405e859d/e90bfe7115094487879f32cf748f5ed7/FLAGff49ec3f7 [2022-01-10 12:08:58,225 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 12:08:58,225 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec9_productSimulator.cil.c [2022-01-10 12:08:58,244 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d405e859d/e90bfe7115094487879f32cf748f5ed7/FLAGff49ec3f7 [2022-01-10 12:08:58,556 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d405e859d/e90bfe7115094487879f32cf748f5ed7 [2022-01-10 12:08:58,558 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 12:08:58,560 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 12:08:58,563 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 12:08:58,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 12:08:58,566 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 12:08:58,567 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 12:08:58" (1/1) ... [2022-01-10 12:08:58,567 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fd29451 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:08:58, skipping insertion in model container [2022-01-10 12:08:58,567 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 12:08:58" (1/1) ... [2022-01-10 12:08:58,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 12:08:58,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 12:08:59,023 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec9_productSimulator.cil.c[36997,37010] [2022-01-10 12:08:59,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 12:08:59,176 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 12:08:59,193 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 12:08:59,242 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec9_productSimulator.cil.c[36997,37010] [2022-01-10 12:08:59,296 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 12:08:59,303 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 12:08:59,336 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec9_productSimulator.cil.c[36997,37010] [2022-01-10 12:08:59,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 12:08:59,392 INFO L208 MainTranslator]: Completed translation [2022-01-10 12:08:59,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:08:59 WrapperNode [2022-01-10 12:08:59,393 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 12:08:59,394 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 12:08:59,394 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 12:08:59,394 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 12:08:59,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:08:59" (1/1) ... [2022-01-10 12:08:59,434 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:08:59" (1/1) ... [2022-01-10 12:09:00,085 INFO L137 Inliner]: procedures = 112, calls = 379, calls flagged for inlining = 231, calls inlined = 2531, statements flattened = 81488 [2022-01-10 12:09:00,085 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 12:09:00,086 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 12:09:00,086 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 12:09:00,086 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 12:09:00,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:08:59" (1/1) ... [2022-01-10 12:09:00,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:08:59" (1/1) ... [2022-01-10 12:09:00,347 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:08:59" (1/1) ... [2022-01-10 12:09:00,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:08:59" (1/1) ... [2022-01-10 12:09:00,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:08:59" (1/1) ... [2022-01-10 12:09:01,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:08:59" (1/1) ... [2022-01-10 12:09:01,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:08:59" (1/1) ... [2022-01-10 12:09:01,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 12:09:01,352 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 12:09:01,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 12:09:01,353 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 12:09:01,354 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:08:59" (1/1) ... [2022-01-10 12:09:01,359 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 12:09:01,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 12:09:01,385 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-10 12:09:01,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-10 12:09:01,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 12:09:01,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 12:09:01,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 12:09:01,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 12:09:01,594 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 12:09:01,595 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 12:09:24,370 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint getCurrentFloorID_returnLabel#42: __utac_acc__Specification9_spec__3_#t~ret47#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~14#1 := __utac_acc__Specification9_spec__3_#t~ret47#1;havoc __utac_acc__Specification9_spec__3_#t~ret47#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~14#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~20#1;havoc isEmpty_~retValue_acc~20#1; [2022-01-10 12:09:24,371 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint getCurrentFloorID_returnLabel#21: __utac_acc__Specification9_spec__3_#t~ret47#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~14#1 := __utac_acc__Specification9_spec__3_#t~ret47#1;havoc __utac_acc__Specification9_spec__3_#t~ret47#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~14#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~20#1;havoc isEmpty_~retValue_acc~20#1; [2022-01-10 12:09:24,376 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1610-4: assume 0bv32 != __utac_acc__Specification9_spec__3_~tmp___1~3#1;~floorButtons_spc9_0~0 := 0bv32;~floorButtons_spc9_1~0 := 0bv32;~floorButtons_spc9_2~0 := 0bv32;~floorButtons_spc9_3~0 := 0bv32;~floorButtons_spc9_4~0 := 0bv32; [2022-01-10 12:09:24,376 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1610-4: assume !(0bv32 != __utac_acc__Specification9_spec__3_~tmp___1~3#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~17#1;havoc areDoorsOpen_~retValue_acc~17#1;areDoorsOpen_~retValue_acc~17#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~17#1; [2022-01-10 12:09:24,377 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1610-10: assume 0bv32 != __utac_acc__Specification9_spec__3_~tmp___1~3#1;~floorButtons_spc9_0~0 := 0bv32;~floorButtons_spc9_1~0 := 0bv32;~floorButtons_spc9_2~0 := 0bv32;~floorButtons_spc9_3~0 := 0bv32;~floorButtons_spc9_4~0 := 0bv32; [2022-01-10 12:09:24,377 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1610-10: assume !(0bv32 != __utac_acc__Specification9_spec__3_~tmp___1~3#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~17#1;havoc areDoorsOpen_~retValue_acc~17#1;areDoorsOpen_~retValue_acc~17#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~17#1; [2022-01-10 12:09:24,377 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1620-4: assume 0bv32 != __utac_acc__Specification9_spec__3_~tmp___0~4#1; [2022-01-10 12:09:24,377 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1620-4: assume !(0bv32 != __utac_acc__Specification9_spec__3_~tmp___0~4#1); [2022-01-10 12:09:24,378 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1620-5: assume { :end_inline___utac_acc__Specification9_spec__3 } true; [2022-01-10 12:09:24,378 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1620-10: assume 0bv32 != __utac_acc__Specification9_spec__3_~tmp___0~4#1; [2022-01-10 12:09:24,378 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1620-10: assume !(0bv32 != __utac_acc__Specification9_spec__3_~tmp___0~4#1); [2022-01-10 12:09:24,378 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1620-11: assume { :end_inline___utac_acc__Specification9_spec__3 } true; [2022-01-10 12:09:24,378 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1621-2: assume 0bv32 == __utac_acc__Specification9_spec__3_~floor~0#1; [2022-01-10 12:09:24,378 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1621-2: assume !(0bv32 == __utac_acc__Specification9_spec__3_~floor~0#1); [2022-01-10 12:09:24,378 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1621-5: assume 0bv32 == __utac_acc__Specification9_spec__3_~floor~0#1; [2022-01-10 12:09:24,378 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1621-5: assume !(0bv32 == __utac_acc__Specification9_spec__3_~floor~0#1); [2022-01-10 12:09:24,378 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1622-4: assume 0bv32 != ~floorButtons_spc9_0~0;~floorButtons_spc9_0~0 := 0bv32; [2022-01-10 12:09:24,378 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1622-4: assume !(0bv32 != ~floorButtons_spc9_0~0); [2022-01-10 12:09:24,379 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1622-10: assume 0bv32 != ~floorButtons_spc9_0~0;~floorButtons_spc9_0~0 := 0bv32; [2022-01-10 12:09:24,379 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1622-10: assume !(0bv32 != ~floorButtons_spc9_0~0); [2022-01-10 12:09:24,379 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1628-2: assume 1bv32 == __utac_acc__Specification9_spec__3_~floor~0#1; [2022-01-10 12:09:24,379 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1628-2: assume !(1bv32 == __utac_acc__Specification9_spec__3_~floor~0#1); [2022-01-10 12:09:24,379 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1628-5: assume 1bv32 == __utac_acc__Specification9_spec__3_~floor~0#1; [2022-01-10 12:09:24,379 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1628-5: assume !(1bv32 == __utac_acc__Specification9_spec__3_~floor~0#1); [2022-01-10 12:09:24,379 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1630-4: assume 0bv32 != ~floorButtons_spc9_1~0;~floorButtons_spc9_1~0 := 0bv32; [2022-01-10 12:09:24,379 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1630-4: assume !(0bv32 != ~floorButtons_spc9_1~0); [2022-01-10 12:09:24,379 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1630-10: assume 0bv32 != ~floorButtons_spc9_1~0;~floorButtons_spc9_1~0 := 0bv32; [2022-01-10 12:09:24,379 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1630-10: assume !(0bv32 != ~floorButtons_spc9_1~0); [2022-01-10 12:09:24,379 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1636-2: assume 2bv32 == __utac_acc__Specification9_spec__3_~floor~0#1; [2022-01-10 12:09:24,379 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1636-2: assume !(2bv32 == __utac_acc__Specification9_spec__3_~floor~0#1); [2022-01-10 12:09:24,380 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1636-5: assume 2bv32 == __utac_acc__Specification9_spec__3_~floor~0#1; [2022-01-10 12:09:24,380 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1636-5: assume !(2bv32 == __utac_acc__Specification9_spec__3_~floor~0#1); [2022-01-10 12:09:24,380 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1638-4: assume 0bv32 != ~floorButtons_spc9_2~0;~floorButtons_spc9_2~0 := 0bv32; [2022-01-10 12:09:24,380 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1638-4: assume !(0bv32 != ~floorButtons_spc9_2~0); [2022-01-10 12:09:24,380 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1638-10: assume 0bv32 != ~floorButtons_spc9_2~0;~floorButtons_spc9_2~0 := 0bv32; [2022-01-10 12:09:24,380 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1638-10: assume !(0bv32 != ~floorButtons_spc9_2~0); [2022-01-10 12:09:24,380 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1644-2: assume 3bv32 == __utac_acc__Specification9_spec__3_~floor~0#1; [2022-01-10 12:09:24,380 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1644-2: assume !(3bv32 == __utac_acc__Specification9_spec__3_~floor~0#1); [2022-01-10 12:09:24,380 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1644-5: assume 3bv32 == __utac_acc__Specification9_spec__3_~floor~0#1; [2022-01-10 12:09:24,380 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1644-5: assume !(3bv32 == __utac_acc__Specification9_spec__3_~floor~0#1); [2022-01-10 12:09:24,380 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1646-4: assume 0bv32 != ~floorButtons_spc9_3~0;~floorButtons_spc9_3~0 := 0bv32; [2022-01-10 12:09:24,381 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1646-4: assume !(0bv32 != ~floorButtons_spc9_3~0); [2022-01-10 12:09:24,381 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1646-10: assume 0bv32 != ~floorButtons_spc9_3~0;~floorButtons_spc9_3~0 := 0bv32; [2022-01-10 12:09:24,381 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1646-10: assume !(0bv32 != ~floorButtons_spc9_3~0); [2022-01-10 12:09:24,381 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1652-2: assume 4bv32 == __utac_acc__Specification9_spec__3_~floor~0#1; [2022-01-10 12:09:24,381 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1652-2: assume !(4bv32 == __utac_acc__Specification9_spec__3_~floor~0#1); [2022-01-10 12:09:24,381 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1652-5: assume 4bv32 == __utac_acc__Specification9_spec__3_~floor~0#1; [2022-01-10 12:09:24,381 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1652-5: assume !(4bv32 == __utac_acc__Specification9_spec__3_~floor~0#1); [2022-01-10 12:09:24,382 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1654-6: assume 0bv32 != ~floorButtons_spc9_4~0;~floorButtons_spc9_4~0 := 0bv32; [2022-01-10 12:09:24,382 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1654-6: assume !(0bv32 != ~floorButtons_spc9_4~0); [2022-01-10 12:09:24,382 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1654-15: assume 0bv32 != ~floorButtons_spc9_4~0;~floorButtons_spc9_4~0 := 0bv32; [2022-01-10 12:09:24,382 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L1654-15: assume !(0bv32 != ~floorButtons_spc9_4~0); [2022-01-10 12:09:24,385 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L2256-3: __utac_acc__Specification9_spec__3_#t~ret49#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~4#1 := __utac_acc__Specification9_spec__3_#t~ret49#1;havoc __utac_acc__Specification9_spec__3_#t~ret49#1; [2022-01-10 12:09:24,385 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L2256-7: __utac_acc__Specification9_spec__3_#t~ret49#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~4#1 := __utac_acc__Specification9_spec__3_#t~ret49#1;havoc __utac_acc__Specification9_spec__3_#t~ret49#1; [2022-01-10 12:09:24,385 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L2307-20: assume 1bv32 == ~persons_0~0;isEmpty_~retValue_acc~20#1 := 0bv32;isEmpty_#res#1 := isEmpty_~retValue_acc~20#1; [2022-01-10 12:09:24,385 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L2307-20: assume !(1bv32 == ~persons_0~0); [2022-01-10 12:09:24,385 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L2307-41: assume 1bv32 == ~persons_0~0;isEmpty_~retValue_acc~20#1 := 0bv32;isEmpty_#res#1 := isEmpty_~retValue_acc~20#1; [2022-01-10 12:09:24,386 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L2307-41: assume !(1bv32 == ~persons_0~0); [2022-01-10 12:09:24,386 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L2311-20: assume 1bv32 == ~persons_1~0;isEmpty_~retValue_acc~20#1 := 0bv32;isEmpty_#res#1 := isEmpty_~retValue_acc~20#1; [2022-01-10 12:09:24,386 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L2311-20: assume !(1bv32 == ~persons_1~0); [2022-01-10 12:09:24,386 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L2311-41: assume 1bv32 == ~persons_1~0;isEmpty_~retValue_acc~20#1 := 0bv32;isEmpty_#res#1 := isEmpty_~retValue_acc~20#1; [2022-01-10 12:09:24,386 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L2311-41: assume !(1bv32 == ~persons_1~0); [2022-01-10 12:09:24,386 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L2315-20: assume 1bv32 == ~persons_2~0;isEmpty_~retValue_acc~20#1 := 0bv32;isEmpty_#res#1 := isEmpty_~retValue_acc~20#1; [2022-01-10 12:09:24,391 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L2315-20: assume !(1bv32 == ~persons_2~0); [2022-01-10 12:09:24,394 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L2315-41: assume 1bv32 == ~persons_2~0;isEmpty_~retValue_acc~20#1 := 0bv32;isEmpty_#res#1 := isEmpty_~retValue_acc~20#1; [2022-01-10 12:09:24,394 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L2315-41: assume !(1bv32 == ~persons_2~0); [2022-01-10 12:09:24,395 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L2319-20: assume 1bv32 == ~persons_3~0;isEmpty_~retValue_acc~20#1 := 0bv32;isEmpty_#res#1 := isEmpty_~retValue_acc~20#1; [2022-01-10 12:09:24,395 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L2319-20: assume !(1bv32 == ~persons_3~0); [2022-01-10 12:09:24,395 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L2319-41: assume 1bv32 == ~persons_3~0;isEmpty_~retValue_acc~20#1 := 0bv32;isEmpty_#res#1 := isEmpty_~retValue_acc~20#1; [2022-01-10 12:09:24,395 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L2319-41: assume !(1bv32 == ~persons_3~0); [2022-01-10 12:09:24,395 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L2323-20: assume 1bv32 == ~persons_4~0;isEmpty_~retValue_acc~20#1 := 0bv32;isEmpty_#res#1 := isEmpty_~retValue_acc~20#1; [2022-01-10 12:09:24,395 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L2323-20: assume !(1bv32 == ~persons_4~0); [2022-01-10 12:09:24,395 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L2323-41: assume 1bv32 == ~persons_4~0;isEmpty_~retValue_acc~20#1 := 0bv32;isEmpty_#res#1 := isEmpty_~retValue_acc~20#1; [2022-01-10 12:09:24,395 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L2323-41: assume !(1bv32 == ~persons_4~0); [2022-01-10 12:09:24,395 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L2327-20: assume 1bv32 == ~persons_5~0;isEmpty_~retValue_acc~20#1 := 0bv32;isEmpty_#res#1 := isEmpty_~retValue_acc~20#1; [2022-01-10 12:09:24,395 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L2327-20: assume !(1bv32 == ~persons_5~0);isEmpty_~retValue_acc~20#1 := 1bv32;isEmpty_#res#1 := isEmpty_~retValue_acc~20#1; [2022-01-10 12:09:24,395 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L2327-41: assume 1bv32 == ~persons_5~0;isEmpty_~retValue_acc~20#1 := 0bv32;isEmpty_#res#1 := isEmpty_~retValue_acc~20#1; [2022-01-10 12:09:24,396 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L2327-41: assume !(1bv32 == ~persons_5~0);isEmpty_~retValue_acc~20#1 := 1bv32;isEmpty_#res#1 := isEmpty_~retValue_acc~20#1; [2022-01-10 12:09:24,396 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L2339-20: __utac_acc__Specification9_spec__3_#t~ret48#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~3#1 := __utac_acc__Specification9_spec__3_#t~ret48#1;havoc __utac_acc__Specification9_spec__3_#t~ret48#1; [2022-01-10 12:09:24,396 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L2339-41: __utac_acc__Specification9_spec__3_#t~ret48#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~3#1 := __utac_acc__Specification9_spec__3_#t~ret48#1;havoc __utac_acc__Specification9_spec__3_#t~ret48#1; [2022-01-10 12:09:24,400 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 12:09:24,515 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 12:09:24,516 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 12:09:24,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 12:09:24 BoogieIcfgContainer [2022-01-10 12:09:24,537 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 12:09:24,538 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 12:09:24,538 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 12:09:24,539 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 12:09:24,541 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 12:09:24" (1/1) ... [2022-01-10 12:09:27,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 12:09:27 BasicIcfg [2022-01-10 12:09:27,926 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 12:09:27,927 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 12:09:27,927 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 12:09:27,930 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 12:09:27,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 12:08:58" (1/4) ... [2022-01-10 12:09:27,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e2fc5ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 12:09:27, skipping insertion in model container [2022-01-10 12:09:27,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:08:59" (2/4) ... [2022-01-10 12:09:27,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e2fc5ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 12:09:27, skipping insertion in model container [2022-01-10 12:09:27,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 12:09:24" (3/4) ... [2022-01-10 12:09:27,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e2fc5ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 12:09:27, skipping insertion in model container [2022-01-10 12:09:27,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 12:09:27" (4/4) ... [2022-01-10 12:09:27,933 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec9_productSimulator.cil.cTransformedIcfg [2022-01-10 12:09:27,938 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 12:09:27,938 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-01-10 12:09:28,024 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 12:09:28,030 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-10 12:09:28,030 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-01-10 12:09:28,441 INFO L276 IsEmpty]: Start isEmpty. Operand has 20674 states, 20668 states have (on average 1.871830849622605) internal successors, (38687), 20673 states have internal predecessors, (38687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:09:28,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-01-10 12:09:28,459 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:09:28,460 INFO L514 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] [2022-01-10 12:09:28,461 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-10 12:09:28,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:09:28,474 INFO L85 PathProgramCache]: Analyzing trace with hash 712526990, now seen corresponding path program 1 times [2022-01-10 12:09:28,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:09:28,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603480642] [2022-01-10 12:09:28,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:09:28,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:09:28,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:09:28,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 12:09:28,901 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:09:28,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603480642] [2022-01-10 12:09:28,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603480642] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:09:28,902 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:09:28,902 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 12:09:28,903 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768644466] [2022-01-10 12:09:28,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:09:28,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 12:09:28,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:09:28,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 12:09:28,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 12:09:28,999 INFO L87 Difference]: Start difference. First operand has 20674 states, 20668 states have (on average 1.871830849622605) internal successors, (38687), 20673 states have internal predecessors, (38687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:09:29,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:09:29,763 INFO L93 Difference]: Finished difference Result 41322 states and 77335 transitions. [2022-01-10 12:09:29,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 12:09:29,766 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2022-01-10 12:09:29,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:09:29,873 INFO L225 Difference]: With dead ends: 41322 [2022-01-10 12:09:29,873 INFO L226 Difference]: Without dead ends: 20663 [2022-01-10 12:09:29,915 INFO L932 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 [2022-01-10 12:09:29,918 INFO L933 BasicCegarLoop]: 38666 mSDtfsCounter, 38645 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38645 SdHoareTripleChecker+Valid, 38693 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 12:09:29,919 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38645 Valid, 38693 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 12:09:30,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20663 states. [2022-01-10 12:09:30,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20663 to 20663. [2022-01-10 12:09:30,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20663 states, 20658 states have (on average 1.8715751766869977) internal successors, (38663), 20662 states have internal predecessors, (38663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:09:30,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20663 states to 20663 states and 38663 transitions. [2022-01-10 12:09:30,882 INFO L78 Accepts]: Start accepts. Automaton has 20663 states and 38663 transitions. Word has length 41 [2022-01-10 12:09:30,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:09:30,883 INFO L470 AbstractCegarLoop]: Abstraction has 20663 states and 38663 transitions. [2022-01-10 12:09:30,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:09:30,884 INFO L276 IsEmpty]: Start isEmpty. Operand 20663 states and 38663 transitions. [2022-01-10 12:09:30,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-01-10 12:09:30,886 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:09:30,886 INFO L514 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] [2022-01-10 12:09:30,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 12:09:30,886 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-10 12:09:30,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:09:30,887 INFO L85 PathProgramCache]: Analyzing trace with hash -483273206, now seen corresponding path program 1 times [2022-01-10 12:09:30,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:09:30,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947171344] [2022-01-10 12:09:30,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:09:30,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:09:30,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:09:30,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 12:09:30,980 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:09:30,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947171344] [2022-01-10 12:09:30,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947171344] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:09:30,981 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:09:30,981 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 12:09:30,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970587075] [2022-01-10 12:09:30,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:09:30,982 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 12:09:30,982 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:09:30,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 12:09:30,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 12:09:30,983 INFO L87 Difference]: Start difference. First operand 20663 states and 38663 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:09:31,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:09:31,841 INFO L93 Difference]: Finished difference Result 41265 states and 77224 transitions. [2022-01-10 12:09:31,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 12:09:31,841 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2022-01-10 12:09:31,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:09:31,911 INFO L225 Difference]: With dead ends: 41265 [2022-01-10 12:09:31,911 INFO L226 Difference]: Without dead ends: 20663 [2022-01-10 12:09:31,947 INFO L932 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 [2022-01-10 12:09:31,948 INFO L933 BasicCegarLoop]: 38603 mSDtfsCounter, 38605 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38605 SdHoareTripleChecker+Valid, 38634 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 12:09:31,948 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38605 Valid, 38634 Invalid, 59 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [24 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 12:09:31,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20663 states. [2022-01-10 12:09:32,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20663 to 20663. [2022-01-10 12:09:32,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20663 states, 20658 states have (on average 1.8703649917707426) internal successors, (38638), 20662 states have internal predecessors, (38638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:09:32,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20663 states to 20663 states and 38638 transitions. [2022-01-10 12:09:32,574 INFO L78 Accepts]: Start accepts. Automaton has 20663 states and 38638 transitions. Word has length 48 [2022-01-10 12:09:32,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:09:32,575 INFO L470 AbstractCegarLoop]: Abstraction has 20663 states and 38638 transitions. [2022-01-10 12:09:32,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:09:32,576 INFO L276 IsEmpty]: Start isEmpty. Operand 20663 states and 38638 transitions. [2022-01-10 12:09:32,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-01-10 12:09:32,579 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:09:32,580 INFO L514 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] [2022-01-10 12:09:32,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 12:09:32,580 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-10 12:09:32,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:09:32,581 INFO L85 PathProgramCache]: Analyzing trace with hash -2077671427, now seen corresponding path program 1 times [2022-01-10 12:09:32,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:09:32,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483405787] [2022-01-10 12:09:32,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:09:32,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:09:32,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:09:32,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 12:09:32,759 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:09:32,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483405787] [2022-01-10 12:09:32,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483405787] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:09:32,760 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:09:32,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 12:09:32,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119133408] [2022-01-10 12:09:32,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:09:32,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 12:09:32,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:09:32,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 12:09:32,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 12:09:32,761 INFO L87 Difference]: Start difference. First operand 20663 states and 38638 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:09:34,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:09:34,066 INFO L93 Difference]: Finished difference Result 46580 states and 87068 transitions. [2022-01-10 12:09:34,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 12:09:34,066 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2022-01-10 12:09:34,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:09:34,163 INFO L225 Difference]: With dead ends: 46580 [2022-01-10 12:09:34,164 INFO L226 Difference]: Without dead ends: 32687 [2022-01-10 12:09:34,193 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 12:09:34,195 INFO L933 BasicCegarLoop]: 38837 mSDtfsCounter, 37797 mSDsluCounter, 22887 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 237 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37797 SdHoareTripleChecker+Valid, 61724 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 237 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 12:09:34,196 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37797 Valid, 61724 Invalid, 399 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [237 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 12:09:34,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32687 states. [2022-01-10 12:09:35,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32687 to 32670. [2022-01-10 12:09:35,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32670 states, 32665 states have (on average 1.8701056176335527) internal successors, (61087), 32669 states have internal predecessors, (61087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:09:35,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32670 states to 32670 states and 61087 transitions. [2022-01-10 12:09:35,332 INFO L78 Accepts]: Start accepts. Automaton has 32670 states and 61087 transitions. Word has length 51 [2022-01-10 12:09:35,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:09:35,332 INFO L470 AbstractCegarLoop]: Abstraction has 32670 states and 61087 transitions. [2022-01-10 12:09:35,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:09:35,332 INFO L276 IsEmpty]: Start isEmpty. Operand 32670 states and 61087 transitions. [2022-01-10 12:09:35,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-01-10 12:09:35,335 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:09:35,338 INFO L514 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] [2022-01-10 12:09:35,338 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-10 12:09:35,340 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-10 12:09:35,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:09:35,341 INFO L85 PathProgramCache]: Analyzing trace with hash 497523661, now seen corresponding path program 1 times [2022-01-10 12:09:35,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:09:35,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833747166] [2022-01-10 12:09:35,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:09:35,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:09:35,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:09:35,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 12:09:35,442 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:09:35,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833747166] [2022-01-10 12:09:35,443 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833747166] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:09:35,443 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:09:35,443 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 12:09:35,443 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696786259] [2022-01-10 12:09:35,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:09:35,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 12:09:35,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:09:35,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 12:09:35,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 12:09:35,444 INFO L87 Difference]: Start difference. First operand 32670 states and 61087 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:09:37,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:09:37,096 INFO L93 Difference]: Finished difference Result 82319 states and 153878 transitions. [2022-01-10 12:09:37,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 12:09:37,097 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-01-10 12:09:37,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:09:37,390 INFO L225 Difference]: With dead ends: 82319 [2022-01-10 12:09:37,390 INFO L226 Difference]: Without dead ends: 56422 [2022-01-10 12:09:37,435 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 12:09:37,442 INFO L933 BasicCegarLoop]: 37995 mSDtfsCounter, 37436 mSDsluCounter, 22887 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 222 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37436 SdHoareTripleChecker+Valid, 60882 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 222 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 12:09:37,443 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37436 Valid, 60882 Invalid, 381 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [222 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 12:09:37,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56422 states. [2022-01-10 12:09:38,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56422 to 56405. [2022-01-10 12:09:38,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56405 states, 56400 states have (on average 1.8693085106382978) internal successors, (105429), 56404 states have internal predecessors, (105429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:09:39,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56405 states to 56405 states and 105429 transitions. [2022-01-10 12:09:39,091 INFO L78 Accepts]: Start accepts. Automaton has 56405 states and 105429 transitions. Word has length 52 [2022-01-10 12:09:39,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:09:39,092 INFO L470 AbstractCegarLoop]: Abstraction has 56405 states and 105429 transitions. [2022-01-10 12:09:39,092 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:09:39,093 INFO L276 IsEmpty]: Start isEmpty. Operand 56405 states and 105429 transitions. [2022-01-10 12:09:39,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-01-10 12:09:39,097 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:09:39,097 INFO L514 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] [2022-01-10 12:09:39,097 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-10 12:09:39,097 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-10 12:09:39,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:09:39,101 INFO L85 PathProgramCache]: Analyzing trace with hash 367030543, now seen corresponding path program 1 times [2022-01-10 12:09:39,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:09:39,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115934644] [2022-01-10 12:09:39,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:09:39,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:09:39,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:09:39,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 12:09:39,192 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:09:39,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115934644] [2022-01-10 12:09:39,192 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115934644] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:09:39,192 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:09:39,192 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 12:09:39,192 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063257491] [2022-01-10 12:09:39,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:09:39,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 12:09:39,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:09:39,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 12:09:39,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 12:09:39,194 INFO L87 Difference]: Start difference. First operand 56405 states and 105429 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 2 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:09:41,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:09:41,550 INFO L93 Difference]: Finished difference Result 152762 states and 285446 transitions. [2022-01-10 12:09:41,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 12:09:41,555 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 2 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-01-10 12:09:41,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:09:41,870 INFO L225 Difference]: With dead ends: 152762 [2022-01-10 12:09:41,870 INFO L226 Difference]: Without dead ends: 103133 [2022-01-10 12:09:41,964 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 12:09:41,965 INFO L933 BasicCegarLoop]: 37635 mSDtfsCounter, 37081 mSDsluCounter, 22887 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37081 SdHoareTripleChecker+Valid, 60522 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 12:09:41,965 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37081 Valid, 60522 Invalid, 363 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [207 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 12:09:42,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103133 states. [2022-01-10 12:09:44,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103133 to 103116. [2022-01-10 12:09:44,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103116 states, 103111 states have (on average 1.867996624996363) internal successors, (192611), 103115 states have internal predecessors, (192611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:09:44,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103116 states to 103116 states and 192611 transitions. [2022-01-10 12:09:44,725 INFO L78 Accepts]: Start accepts. Automaton has 103116 states and 192611 transitions. Word has length 53 [2022-01-10 12:09:44,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:09:44,725 INFO L470 AbstractCegarLoop]: Abstraction has 103116 states and 192611 transitions. [2022-01-10 12:09:44,726 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 2 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:09:44,726 INFO L276 IsEmpty]: Start isEmpty. Operand 103116 states and 192611 transitions. [2022-01-10 12:09:44,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-01-10 12:09:44,728 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:09:44,728 INFO L514 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] [2022-01-10 12:09:44,728 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-10 12:09:44,728 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-10 12:09:44,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:09:44,728 INFO L85 PathProgramCache]: Analyzing trace with hash -873673866, now seen corresponding path program 1 times [2022-01-10 12:09:44,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:09:44,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921738693] [2022-01-10 12:09:44,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:09:44,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:09:44,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:09:44,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 12:09:44,773 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:09:44,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921738693] [2022-01-10 12:09:44,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921738693] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:09:44,773 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:09:44,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 12:09:44,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197164684] [2022-01-10 12:09:44,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:09:44,774 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 12:09:44,774 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:09:44,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 12:09:44,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 12:09:44,775 INFO L87 Difference]: Start difference. First operand 103116 states and 192611 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 2 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 12:09:48,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:09:48,232 INFO L93 Difference]: Finished difference Result 291173 states and 543698 transitions. [2022-01-10 12:09:48,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 12:09:48,232 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 2 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-01-10 12:09:48,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:09:48,892 INFO L225 Difference]: With dead ends: 291173 [2022-01-10 12:09:48,892 INFO L226 Difference]: Without dead ends: 194836 [2022-01-10 12:09:48,995 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 12:09:48,995 INFO L933 BasicCegarLoop]: 37278 mSDtfsCounter, 36732 mSDsluCounter, 22887 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36732 SdHoareTripleChecker+Valid, 60165 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 12:09:48,996 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36732 Valid, 60165 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 12:09:49,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194836 states.