/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/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-60655ea [2020-09-15 13:09:43,155 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-15 13:09:43,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-15 13:09:43,204 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-15 13:09:43,205 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-15 13:09:43,213 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-15 13:09:43,217 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-15 13:09:43,221 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-15 13:09:43,224 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-15 13:09:43,227 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-15 13:09:43,228 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-15 13:09:43,229 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-15 13:09:43,230 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-15 13:09:43,233 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-15 13:09:43,236 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-15 13:09:43,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-15 13:09:43,240 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-15 13:09:43,241 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-15 13:09:43,243 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-15 13:09:43,254 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-15 13:09:43,257 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-15 13:09:43,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-15 13:09:43,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-15 13:09:43,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-15 13:09:43,274 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-15 13:09:43,277 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-15 13:09:43,277 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-15 13:09:43,278 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-15 13:09:43,282 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-15 13:09:43,283 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-15 13:09:43,283 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-15 13:09:43,284 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-15 13:09:43,285 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-15 13:09:43,289 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-15 13:09:43,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-15 13:09:43,291 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-15 13:09:43,294 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-15 13:09:43,294 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-15 13:09:43,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-15 13:09:43,295 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-15 13:09:43,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-15 13:09:43,297 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-09-15 13:09:43,347 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-15 13:09:43,348 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-15 13:09:43,349 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-15 13:09:43,349 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-15 13:09:43,349 INFO L138 SettingsManager]: * Use SBE=true [2020-09-15 13:09:43,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-15 13:09:43,350 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-15 13:09:43,352 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-15 13:09:43,352 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-15 13:09:43,352 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-15 13:09:43,352 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-15 13:09:43,353 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-15 13:09:43,353 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-15 13:09:43,353 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-15 13:09:43,353 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-15 13:09:43,354 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-15 13:09:43,354 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-15 13:09:43,354 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-15 13:09:43,354 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-15 13:09:43,354 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-15 13:09:43,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-15 13:09:43,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-15 13:09:43,355 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-15 13:09:43,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-09-15 13:09:43,355 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-15 13:09:43,356 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-15 13:09:43,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-15 13:09:43,356 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-09-15 13:09:43,356 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-15 13:09:43,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-15 13:09:43,832 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-15 13:09:43,839 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-15 13:09:43,841 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-15 13:09:43,842 INFO L275 PluginConnector]: CDTParser initialized [2020-09-15 13:09:43,843 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i [2020-09-15 13:09:43,939 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8c1a51135/f7233285e56344a2aad54b58b2b994b0/FLAG9edf68d11 [2020-09-15 13:09:44,670 INFO L306 CDTParser]: Found 1 translation units. [2020-09-15 13:09:44,672 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i [2020-09-15 13:09:44,701 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8c1a51135/f7233285e56344a2aad54b58b2b994b0/FLAG9edf68d11 [2020-09-15 13:09:44,842 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8c1a51135/f7233285e56344a2aad54b58b2b994b0 [2020-09-15 13:09:44,854 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-15 13:09:44,860 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-09-15 13:09:44,863 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-15 13:09:44,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-15 13:09:44,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-15 13:09:44,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 01:09:44" (1/1) ... [2020-09-15 13:09:44,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@411d0ed3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:09:44, skipping insertion in model container [2020-09-15 13:09:44,875 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 01:09:44" (1/1) ... [2020-09-15 13:09:44,886 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-15 13:09:44,958 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-15 13:09:45,199 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-09-15 13:09:45,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-15 13:09:45,612 INFO L203 MainTranslator]: Completed pre-run [2020-09-15 13:09:45,629 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-09-15 13:09:45,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-15 13:09:45,888 INFO L208 MainTranslator]: Completed translation [2020-09-15 13:09:45,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:09:45 WrapperNode [2020-09-15 13:09:45,889 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-15 13:09:45,890 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-15 13:09:45,891 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-15 13:09:45,891 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-15 13:09:45,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:09:45" (1/1) ... [2020-09-15 13:09:45,931 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:09:45" (1/1) ... [2020-09-15 13:09:46,001 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-15 13:09:46,005 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-15 13:09:46,005 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-15 13:09:46,005 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-15 13:09:46,021 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:09:45" (1/1) ... [2020-09-15 13:09:46,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:09:45" (1/1) ... [2020-09-15 13:09:46,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:09:45" (1/1) ... [2020-09-15 13:09:46,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:09:45" (1/1) ... [2020-09-15 13:09:46,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:09:45" (1/1) ... [2020-09-15 13:09:46,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:09:45" (1/1) ... [2020-09-15 13:09:46,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:09:45" (1/1) ... [2020-09-15 13:09:46,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-15 13:09:46,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-15 13:09:46,113 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-15 13:09:46,113 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-15 13:09:46,115 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:09:45" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-15 13:09:46,205 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2020-09-15 13:09:46,206 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2020-09-15 13:09:46,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-15 13:09:46,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-15 13:09:46,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-15 13:09:46,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-15 13:09:46,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-15 13:09:46,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-15 13:09:46,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-15 13:09:46,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-15 13:09:46,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-15 13:09:46,210 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-15 13:09:47,199 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-15 13:09:47,199 INFO L295 CfgBuilder]: Removed 40 assume(true) statements. [2020-09-15 13:09:47,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 01:09:47 BoogieIcfgContainer [2020-09-15 13:09:47,207 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-15 13:09:47,208 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-15 13:09:47,209 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-15 13:09:47,212 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-15 13:09:47,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 01:09:44" (1/3) ... [2020-09-15 13:09:47,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6affb44d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 01:09:47, skipping insertion in model container [2020-09-15 13:09:47,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:09:45" (2/3) ... [2020-09-15 13:09:47,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6affb44d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 01:09:47, skipping insertion in model container [2020-09-15 13:09:47,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 01:09:47" (3/3) ... [2020-09-15 13:09:47,217 INFO L109 eAbstractionObserver]: Analyzing ICFG divinefifo-bug_1w1r.i [2020-09-15 13:09:47,229 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-15 13:09:47,230 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-15 13:09:47,241 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2020-09-15 13:09:47,242 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-15 13:09:47,290 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_#in~q_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,290 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_#in~q_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,291 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~q_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,291 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~q_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,291 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~q_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,291 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~q_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,292 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,292 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,292 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,292 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,292 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,293 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,293 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,293 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,293 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,293 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,294 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#in~self.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,294 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#in~self.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,294 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,294 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem19.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,294 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem25.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,295 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem20.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,295 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,295 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,295 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,295 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~malloc22.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,295 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~pre27.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,296 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~malloc22.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,296 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~pre27.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,296 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~ret23.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,296 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem20.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,296 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,297 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~ret23.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,297 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem29.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,297 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem29.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,297 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem19.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,297 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem26.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,297 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,297 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem21.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,298 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,298 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem21.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,298 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,298 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem25.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,298 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem26.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,299 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,302 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,302 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#in~self.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,302 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#in~self.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,302 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,302 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,303 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,303 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,303 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,303 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,303 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,303 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,303 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem19.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,305 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem19.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,305 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem19.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,305 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem19.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,305 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem21.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,306 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem21.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,306 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,306 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,306 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem20.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,306 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem20.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,307 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem20.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,307 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem21.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,307 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem20.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,308 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem21.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,309 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem20.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,309 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem21.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,310 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem20.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,310 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem21.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,310 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem21.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,310 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem21.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,310 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem21.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,311 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem21.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,311 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem20.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,311 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem20.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,311 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem20.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,312 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem20.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,312 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem19.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,313 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem19.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,313 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem19.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,313 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem19.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,314 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~malloc22.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,314 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~malloc22.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,314 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,315 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,315 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,315 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,315 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~malloc22.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,315 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~malloc22.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,316 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#in~self.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,316 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#in~self.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,316 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,316 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,316 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,316 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,317 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,317 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,318 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,321 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,322 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,322 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,323 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,330 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,330 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem25.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,330 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem25.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,332 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#in~self.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,332 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#in~self.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,332 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,333 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,333 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,333 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem25.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,333 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem25.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,333 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,335 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,335 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem25.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,336 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem25.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,336 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,336 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,336 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,336 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,336 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem26.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,337 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem26.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,337 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,337 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,338 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem26.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,338 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem26.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,338 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~pre27.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,339 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~pre27.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,339 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,339 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,339 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,339 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,339 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem26.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,340 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,340 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,340 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem26.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,340 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,340 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,340 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~ret23.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,341 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~ret23.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,341 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem26.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,341 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem26.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,341 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~ret23.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,342 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~ret23.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,342 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,342 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,342 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~pre27.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,342 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~pre27.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,342 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~ret23.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,343 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~ret23.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,343 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,343 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,343 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,343 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,343 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,344 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,344 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,344 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,344 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,344 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,344 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,345 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,345 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,345 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,345 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,345 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,345 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,347 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,348 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem29.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,348 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem29.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,348 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,348 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_#t~pre62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,348 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem29.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,348 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem29.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,349 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,349 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,349 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,349 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,349 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem29.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,350 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem29.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,350 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_#t~pre62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,350 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,350 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,350 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,350 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,357 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~malloc22.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,357 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~q_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,357 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,358 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,358 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,358 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,358 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,358 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#in~self.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,359 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,359 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem26.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,359 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#in~self.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,359 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,359 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem20.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,359 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,360 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,360 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem25.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,360 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem19.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,360 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~pre27.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,360 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,361 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~malloc22.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,361 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem21.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,361 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem25.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,361 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem26.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,361 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~ret23.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,361 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,362 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#in~self.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,362 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,362 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,362 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~pre27.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,369 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem29.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,369 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem21.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,370 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,370 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_#t~pre62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,370 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem19.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,370 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem20.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,370 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~q_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,370 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem29.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,371 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,371 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~ret23.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,372 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,376 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,376 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#in~self.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,376 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,376 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:09:47,406 INFO L251 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2020-09-15 13:09:47,435 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-15 13:09:47,435 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-15 13:09:47,436 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-15 13:09:47,436 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-15 13:09:47,436 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-15 13:09:47,436 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-15 13:09:47,436 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-15 13:09:47,436 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-15 13:09:47,465 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 426 places, 455 transitions, 918 flow [2020-09-15 13:09:47,468 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 426 places, 455 transitions, 918 flow [2020-09-15 13:09:47,707 INFO L129 PetriNetUnfolder]: 33/454 cut-off events. [2020-09-15 13:09:47,708 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-09-15 13:09:47,727 INFO L80 FinitePrefix]: Finished finitePrefix Result has 459 conditions, 454 events. 33/454 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1111 event pairs, 0 based on Foata normal form. 0/410 useless extension candidates. Maximal degree in co-relation 328. Up to 3 conditions per place. [2020-09-15 13:09:47,781 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 426 places, 455 transitions, 918 flow [2020-09-15 13:09:47,856 INFO L129 PetriNetUnfolder]: 33/454 cut-off events. [2020-09-15 13:09:47,856 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-09-15 13:09:47,861 INFO L80 FinitePrefix]: Finished finitePrefix Result has 459 conditions, 454 events. 33/454 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1111 event pairs, 0 based on Foata normal form. 0/410 useless extension candidates. Maximal degree in co-relation 328. Up to 3 conditions per place. [2020-09-15 13:09:47,884 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 31742 [2020-09-15 13:09:47,886 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-09-15 13:09:49,323 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-09-15 13:09:49,340 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-15 13:09:49,341 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-09-15 13:09:49,342 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:69, output treesize:57 [2020-09-15 13:09:49,658 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-09-15 13:09:49,670 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-15 13:09:49,672 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-09-15 13:09:49,672 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:67, output treesize:53 [2020-09-15 13:09:51,896 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-09-15 13:09:51,911 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-15 13:09:51,912 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-09-15 13:09:51,913 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:88, output treesize:74 [2020-09-15 13:09:53,694 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-09-15 13:09:53,721 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-09-15 13:09:53,840 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-09-15 13:09:53,841 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-15 13:09:53,842 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-09-15 13:09:53,842 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:172, output treesize:181 [2020-09-15 13:09:53,983 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-09-15 13:09:54,342 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-15 13:09:55,590 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-09-15 13:09:55,806 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-09-15 13:09:56,566 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-15 13:09:57,197 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 83 [2020-09-15 13:09:57,458 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 52 [2020-09-15 13:09:58,056 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-09-15 13:09:58,467 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-09-15 13:09:58,860 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 52 [2020-09-15 13:09:59,082 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 54 [2020-09-15 13:09:59,583 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-09-15 13:09:59,992 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-09-15 13:10:01,303 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 178 DAG size of output: 164 [2020-09-15 13:10:01,343 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-09-15 13:10:01,966 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-09-15 13:10:01,966 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-15 13:10:01,967 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2020-09-15 13:10:01,967 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:452, output treesize:494 [2020-09-15 13:10:02,612 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-09-15 13:10:02,685 INFO L206 etLargeBlockEncoding]: Checked pairs total: 73353 [2020-09-15 13:10:02,685 INFO L214 etLargeBlockEncoding]: Total number of compositions: 424 [2020-09-15 13:10:02,691 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 108 places, 122 transitions, 252 flow [2020-09-15 13:10:02,783 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1490 states. [2020-09-15 13:10:02,785 INFO L276 IsEmpty]: Start isEmpty. Operand 1490 states. [2020-09-15 13:10:02,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-09-15 13:10:02,794 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:10:02,795 INFO L422 BasicCegarLoop]: trace histogram [1] [2020-09-15 13:10:02,795 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:10:02,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:10:02,803 INFO L82 PathProgramCache]: Analyzing trace with hash 1591, now seen corresponding path program 1 times [2020-09-15 13:10:02,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:10:02,813 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446180634] [2020-09-15 13:10:02,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:10:02,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:10:02,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:10:02,949 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446180634] [2020-09-15 13:10:02,951 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:10:02,951 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-09-15 13:10:02,952 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343205590] [2020-09-15 13:10:02,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-09-15 13:10:02,958 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:10:02,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-09-15 13:10:02,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-09-15 13:10:02,981 INFO L87 Difference]: Start difference. First operand 1490 states. Second operand 2 states. [2020-09-15 13:10:03,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:10:03,042 INFO L93 Difference]: Finished difference Result 1489 states and 3337 transitions. [2020-09-15 13:10:03,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-09-15 13:10:03,044 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-09-15 13:10:03,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:10:03,080 INFO L225 Difference]: With dead ends: 1489 [2020-09-15 13:10:03,081 INFO L226 Difference]: Without dead ends: 1469 [2020-09-15 13:10:03,083 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-09-15 13:10:03,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1469 states. [2020-09-15 13:10:03,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1469 to 1469. [2020-09-15 13:10:03,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1469 states. [2020-09-15 13:10:03,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1469 states and 3296 transitions. [2020-09-15 13:10:03,234 INFO L78 Accepts]: Start accepts. Automaton has 1469 states and 3296 transitions. Word has length 1 [2020-09-15 13:10:03,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:10:03,235 INFO L479 AbstractCegarLoop]: Abstraction has 1469 states and 3296 transitions. [2020-09-15 13:10:03,235 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-09-15 13:10:03,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 3296 transitions. [2020-09-15 13:10:03,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-09-15 13:10:03,236 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:10:03,236 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-09-15 13:10:03,236 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-15 13:10:03,237 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:10:03,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:10:03,237 INFO L82 PathProgramCache]: Analyzing trace with hash -651818284, now seen corresponding path program 1 times [2020-09-15 13:10:03,237 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:10:03,241 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012851319] [2020-09-15 13:10:03,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:10:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:10:03,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:10:03,433 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012851319] [2020-09-15 13:10:03,433 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:10:03,433 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-15 13:10:03,433 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585206108] [2020-09-15 13:10:03,435 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-15 13:10:03,435 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:10:03,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-15 13:10:03,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-15 13:10:03,436 INFO L87 Difference]: Start difference. First operand 1469 states and 3296 transitions. Second operand 3 states. [2020-09-15 13:10:03,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:10:03,495 INFO L93 Difference]: Finished difference Result 2761 states and 6206 transitions. [2020-09-15 13:10:03,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-15 13:10:03,496 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-09-15 13:10:03,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:10:03,514 INFO L225 Difference]: With dead ends: 2761 [2020-09-15 13:10:03,514 INFO L226 Difference]: Without dead ends: 2761 [2020-09-15 13:10:03,515 INFO L675 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 [2020-09-15 13:10:03,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2761 states. [2020-09-15 13:10:03,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2761 to 1488. [2020-09-15 13:10:03,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1488 states. [2020-09-15 13:10:03,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1488 states to 1488 states and 3336 transitions. [2020-09-15 13:10:03,574 INFO L78 Accepts]: Start accepts. Automaton has 1488 states and 3336 transitions. Word has length 6 [2020-09-15 13:10:03,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:10:03,574 INFO L479 AbstractCegarLoop]: Abstraction has 1488 states and 3336 transitions. [2020-09-15 13:10:03,574 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-15 13:10:03,574 INFO L276 IsEmpty]: Start isEmpty. Operand 1488 states and 3336 transitions. [2020-09-15 13:10:03,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-09-15 13:10:03,575 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:10:03,575 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:10:03,576 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-15 13:10:03,576 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:10:03,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:10:03,576 INFO L82 PathProgramCache]: Analyzing trace with hash 1267854911, now seen corresponding path program 1 times [2020-09-15 13:10:03,576 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:10:03,577 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880144938] [2020-09-15 13:10:03,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:10:03,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:10:03,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:10:03,662 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880144938] [2020-09-15 13:10:03,662 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:10:03,662 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-15 13:10:03,662 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561506574] [2020-09-15 13:10:03,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-15 13:10:03,663 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:10:03,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-15 13:10:03,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-15 13:10:03,664 INFO L87 Difference]: Start difference. First operand 1488 states and 3336 transitions. Second operand 3 states. [2020-09-15 13:10:03,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:10:03,685 INFO L93 Difference]: Finished difference Result 1488 states and 3317 transitions. [2020-09-15 13:10:03,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-15 13:10:03,685 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-09-15 13:10:03,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:10:03,694 INFO L225 Difference]: With dead ends: 1488 [2020-09-15 13:10:03,694 INFO L226 Difference]: Without dead ends: 1488 [2020-09-15 13:10:03,695 INFO L675 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 [2020-09-15 13:10:03,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1488 states. [2020-09-15 13:10:03,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1488 to 1488. [2020-09-15 13:10:03,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1488 states. [2020-09-15 13:10:03,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1488 states to 1488 states and 3317 transitions. [2020-09-15 13:10:03,739 INFO L78 Accepts]: Start accepts. Automaton has 1488 states and 3317 transitions. Word has length 7 [2020-09-15 13:10:03,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:10:03,740 INFO L479 AbstractCegarLoop]: Abstraction has 1488 states and 3317 transitions. [2020-09-15 13:10:03,740 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-15 13:10:03,740 INFO L276 IsEmpty]: Start isEmpty. Operand 1488 states and 3317 transitions. [2020-09-15 13:10:03,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-09-15 13:10:03,741 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:10:03,741 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:10:03,741 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-15 13:10:03,741 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:10:03,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:10:03,742 INFO L82 PathProgramCache]: Analyzing trace with hash 660801943, now seen corresponding path program 1 times [2020-09-15 13:10:03,742 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:10:03,742 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565479141] [2020-09-15 13:10:03,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:10:03,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:10:03,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:10:03,884 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565479141] [2020-09-15 13:10:03,885 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:10:03,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-15 13:10:03,885 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853863153] [2020-09-15 13:10:03,885 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-15 13:10:03,886 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:10:03,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-15 13:10:03,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-15 13:10:03,888 INFO L87 Difference]: Start difference. First operand 1488 states and 3317 transitions. Second operand 5 states. [2020-09-15 13:10:04,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:10:04,476 INFO L93 Difference]: Finished difference Result 1864 states and 4157 transitions. [2020-09-15 13:10:04,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-15 13:10:04,477 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2020-09-15 13:10:04,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:10:04,487 INFO L225 Difference]: With dead ends: 1864 [2020-09-15 13:10:04,487 INFO L226 Difference]: Without dead ends: 1864 [2020-09-15 13:10:04,488 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-09-15 13:10:04,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1864 states. [2020-09-15 13:10:04,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1864 to 1595. [2020-09-15 13:10:04,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1595 states. [2020-09-15 13:10:04,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1595 states to 1595 states and 3562 transitions. [2020-09-15 13:10:04,534 INFO L78 Accepts]: Start accepts. Automaton has 1595 states and 3562 transitions. Word has length 8 [2020-09-15 13:10:04,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:10:04,535 INFO L479 AbstractCegarLoop]: Abstraction has 1595 states and 3562 transitions. [2020-09-15 13:10:04,535 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-15 13:10:04,535 INFO L276 IsEmpty]: Start isEmpty. Operand 1595 states and 3562 transitions. [2020-09-15 13:10:04,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-09-15 13:10:04,536 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:10:04,537 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:10:04,537 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-15 13:10:04,537 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:10:04,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:10:04,537 INFO L82 PathProgramCache]: Analyzing trace with hash -624152238, now seen corresponding path program 1 times [2020-09-15 13:10:04,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:10:04,538 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850459352] [2020-09-15 13:10:04,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:10:04,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:10:04,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:10:04,605 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850459352] [2020-09-15 13:10:04,606 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:10:04,606 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-15 13:10:04,606 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241195830] [2020-09-15 13:10:04,607 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-15 13:10:04,607 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:10:04,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-15 13:10:04,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-15 13:10:04,607 INFO L87 Difference]: Start difference. First operand 1595 states and 3562 transitions. Second operand 3 states. [2020-09-15 13:10:04,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:10:04,677 INFO L93 Difference]: Finished difference Result 2622 states and 5848 transitions. [2020-09-15 13:10:04,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-15 13:10:04,677 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-09-15 13:10:04,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:10:04,693 INFO L225 Difference]: With dead ends: 2622 [2020-09-15 13:10:04,693 INFO L226 Difference]: Without dead ends: 2622 [2020-09-15 13:10:04,694 INFO L675 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 [2020-09-15 13:10:04,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2622 states. [2020-09-15 13:10:04,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2622 to 1652. [2020-09-15 13:10:04,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1652 states. [2020-09-15 13:10:04,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1652 states to 1652 states and 3682 transitions. [2020-09-15 13:10:04,749 INFO L78 Accepts]: Start accepts. Automaton has 1652 states and 3682 transitions. Word has length 10 [2020-09-15 13:10:04,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:10:04,749 INFO L479 AbstractCegarLoop]: Abstraction has 1652 states and 3682 transitions. [2020-09-15 13:10:04,749 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-15 13:10:04,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 3682 transitions. [2020-09-15 13:10:04,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-15 13:10:04,752 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:10:04,752 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:10:04,752 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-15 13:10:04,752 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:10:04,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:10:04,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1495626362, now seen corresponding path program 1 times [2020-09-15 13:10:04,753 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:10:04,753 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151773488] [2020-09-15 13:10:04,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:10:04,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:10:04,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:10:04,984 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151773488] [2020-09-15 13:10:04,984 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:10:04,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-15 13:10:04,984 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054444335] [2020-09-15 13:10:04,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-15 13:10:04,985 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:10:04,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-15 13:10:04,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-09-15 13:10:04,985 INFO L87 Difference]: Start difference. First operand 1652 states and 3682 transitions. Second operand 9 states. [2020-09-15 13:10:06,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:10:06,504 INFO L93 Difference]: Finished difference Result 2266 states and 5011 transitions. [2020-09-15 13:10:06,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-15 13:10:06,505 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2020-09-15 13:10:06,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:10:06,517 INFO L225 Difference]: With dead ends: 2266 [2020-09-15 13:10:06,518 INFO L226 Difference]: Without dead ends: 2266 [2020-09-15 13:10:06,518 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2020-09-15 13:10:06,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2266 states. [2020-09-15 13:10:06,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2266 to 1679. [2020-09-15 13:10:06,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1679 states. [2020-09-15 13:10:06,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1679 states to 1679 states and 3742 transitions. [2020-09-15 13:10:06,567 INFO L78 Accepts]: Start accepts. Automaton has 1679 states and 3742 transitions. Word has length 14 [2020-09-15 13:10:06,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:10:06,567 INFO L479 AbstractCegarLoop]: Abstraction has 1679 states and 3742 transitions. [2020-09-15 13:10:06,567 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-15 13:10:06,567 INFO L276 IsEmpty]: Start isEmpty. Operand 1679 states and 3742 transitions. [2020-09-15 13:10:06,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-15 13:10:06,569 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:10:06,569 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:10:06,569 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-15 13:10:06,569 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:10:06,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:10:06,570 INFO L82 PathProgramCache]: Analyzing trace with hash 341856152, now seen corresponding path program 2 times [2020-09-15 13:10:06,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:10:06,570 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719038430] [2020-09-15 13:10:06,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:10:06,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:10:06,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:10:06,769 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719038430] [2020-09-15 13:10:06,769 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:10:06,769 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-15 13:10:06,772 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952011168] [2020-09-15 13:10:06,773 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-15 13:10:06,773 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:10:06,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-15 13:10:06,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-09-15 13:10:06,774 INFO L87 Difference]: Start difference. First operand 1679 states and 3742 transitions. Second operand 9 states. [2020-09-15 13:10:08,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:10:08,406 INFO L93 Difference]: Finished difference Result 2331 states and 5154 transitions. [2020-09-15 13:10:08,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-15 13:10:08,407 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2020-09-15 13:10:08,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:10:08,419 INFO L225 Difference]: With dead ends: 2331 [2020-09-15 13:10:08,419 INFO L226 Difference]: Without dead ends: 2331 [2020-09-15 13:10:08,420 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=129, Invalid=251, Unknown=0, NotChecked=0, Total=380 [2020-09-15 13:10:08,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2331 states. [2020-09-15 13:10:08,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2331 to 1686. [2020-09-15 13:10:08,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1686 states. [2020-09-15 13:10:08,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1686 states to 1686 states and 3758 transitions. [2020-09-15 13:10:08,472 INFO L78 Accepts]: Start accepts. Automaton has 1686 states and 3758 transitions. Word has length 14 [2020-09-15 13:10:08,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:10:08,473 INFO L479 AbstractCegarLoop]: Abstraction has 1686 states and 3758 transitions. [2020-09-15 13:10:08,473 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-15 13:10:08,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1686 states and 3758 transitions. [2020-09-15 13:10:08,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-15 13:10:08,474 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:10:08,474 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:10:08,474 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-15 13:10:08,475 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:10:08,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:10:08,475 INFO L82 PathProgramCache]: Analyzing trace with hash 1999934906, now seen corresponding path program 3 times [2020-09-15 13:10:08,475 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:10:08,476 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104484] [2020-09-15 13:10:08,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:10:08,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:10:08,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:10:08,638 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104484] [2020-09-15 13:10:08,638 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:10:08,638 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-15 13:10:08,638 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362952144] [2020-09-15 13:10:08,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-15 13:10:08,639 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:10:08,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-15 13:10:08,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-15 13:10:08,639 INFO L87 Difference]: Start difference. First operand 1686 states and 3758 transitions. Second operand 9 states. [2020-09-15 13:10:10,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:10:10,114 INFO L93 Difference]: Finished difference Result 2197 states and 4868 transitions. [2020-09-15 13:10:10,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-15 13:10:10,115 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2020-09-15 13:10:10,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:10:10,126 INFO L225 Difference]: With dead ends: 2197 [2020-09-15 13:10:10,127 INFO L226 Difference]: Without dead ends: 2197 [2020-09-15 13:10:10,127 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2020-09-15 13:10:10,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2197 states. [2020-09-15 13:10:10,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2197 to 1679. [2020-09-15 13:10:10,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1679 states. [2020-09-15 13:10:10,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1679 states to 1679 states and 3742 transitions. [2020-09-15 13:10:10,169 INFO L78 Accepts]: Start accepts. Automaton has 1679 states and 3742 transitions. Word has length 14 [2020-09-15 13:10:10,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:10:10,169 INFO L479 AbstractCegarLoop]: Abstraction has 1679 states and 3742 transitions. [2020-09-15 13:10:10,169 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-15 13:10:10,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1679 states and 3742 transitions. [2020-09-15 13:10:10,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-15 13:10:10,170 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:10:10,170 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:10:10,171 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-15 13:10:10,171 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:10:10,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:10:10,171 INFO L82 PathProgramCache]: Analyzing trace with hash -70509489, now seen corresponding path program 1 times [2020-09-15 13:10:10,171 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:10:10,172 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609898085] [2020-09-15 13:10:10,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:10:10,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:10:10,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:10:10,355 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609898085] [2020-09-15 13:10:10,355 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:10:10,356 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-15 13:10:10,356 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274744869] [2020-09-15 13:10:10,356 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-15 13:10:10,356 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:10:10,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-15 13:10:10,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-09-15 13:10:10,357 INFO L87 Difference]: Start difference. First operand 1679 states and 3742 transitions. Second operand 8 states. [2020-09-15 13:10:11,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:10:11,592 INFO L93 Difference]: Finished difference Result 2552 states and 5665 transitions. [2020-09-15 13:10:11,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-15 13:10:11,593 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2020-09-15 13:10:11,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:10:11,617 INFO L225 Difference]: With dead ends: 2552 [2020-09-15 13:10:11,618 INFO L226 Difference]: Without dead ends: 2461 [2020-09-15 13:10:11,618 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2020-09-15 13:10:11,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2461 states. [2020-09-15 13:10:11,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2461 to 1848. [2020-09-15 13:10:11,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1848 states. [2020-09-15 13:10:11,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1848 states to 1848 states and 4169 transitions. [2020-09-15 13:10:11,666 INFO L78 Accepts]: Start accepts. Automaton has 1848 states and 4169 transitions. Word has length 14 [2020-09-15 13:10:11,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:10:11,666 INFO L479 AbstractCegarLoop]: Abstraction has 1848 states and 4169 transitions. [2020-09-15 13:10:11,666 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-15 13:10:11,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1848 states and 4169 transitions. [2020-09-15 13:10:11,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-15 13:10:11,668 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:10:11,668 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:10:11,668 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-15 13:10:11,668 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:10:11,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:10:11,668 INFO L82 PathProgramCache]: Analyzing trace with hash 1644221894, now seen corresponding path program 1 times [2020-09-15 13:10:11,669 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:10:11,669 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168546960] [2020-09-15 13:10:11,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:10:11,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:10:11,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:10:11,920 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168546960] [2020-09-15 13:10:11,920 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:10:11,920 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-15 13:10:11,921 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040395237] [2020-09-15 13:10:11,921 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-15 13:10:11,921 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:10:11,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-15 13:10:11,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-15 13:10:11,922 INFO L87 Difference]: Start difference. First operand 1848 states and 4169 transitions. Second operand 7 states. [2020-09-15 13:10:12,200 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 43 [2020-09-15 13:10:12,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:10:12,819 INFO L93 Difference]: Finished difference Result 2100 states and 4700 transitions. [2020-09-15 13:10:12,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-15 13:10:12,820 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2020-09-15 13:10:12,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:10:12,825 INFO L225 Difference]: With dead ends: 2100 [2020-09-15 13:10:12,826 INFO L226 Difference]: Without dead ends: 2100 [2020-09-15 13:10:12,826 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2020-09-15 13:10:12,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2020-09-15 13:10:12,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1840. [2020-09-15 13:10:12,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1840 states. [2020-09-15 13:10:12,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1840 states to 1840 states and 4134 transitions. [2020-09-15 13:10:12,867 INFO L78 Accepts]: Start accepts. Automaton has 1840 states and 4134 transitions. Word has length 15 [2020-09-15 13:10:12,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:10:12,867 INFO L479 AbstractCegarLoop]: Abstraction has 1840 states and 4134 transitions. [2020-09-15 13:10:12,867 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-15 13:10:12,867 INFO L276 IsEmpty]: Start isEmpty. Operand 1840 states and 4134 transitions. [2020-09-15 13:10:12,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-15 13:10:12,868 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:10:12,868 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:10:12,868 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-15 13:10:12,869 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:10:12,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:10:12,869 INFO L82 PathProgramCache]: Analyzing trace with hash 1537021170, now seen corresponding path program 2 times [2020-09-15 13:10:12,869 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:10:12,870 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294735514] [2020-09-15 13:10:12,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:10:12,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:10:13,435 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2020-09-15 13:10:13,601 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2020-09-15 13:10:13,734 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 34 [2020-09-15 13:10:13,878 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 34 [2020-09-15 13:10:14,073 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 40 [2020-09-15 13:10:14,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:10:14,367 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294735514] [2020-09-15 13:10:14,367 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:10:14,367 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-15 13:10:14,367 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372391876] [2020-09-15 13:10:14,368 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-15 13:10:14,368 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:10:14,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-15 13:10:14,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2020-09-15 13:10:14,368 INFO L87 Difference]: Start difference. First operand 1840 states and 4134 transitions. Second operand 15 states. [2020-09-15 13:10:14,667 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 49 [2020-09-15 13:10:15,098 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 54 [2020-09-15 13:10:15,245 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 55 [2020-09-15 13:10:15,694 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 70 [2020-09-15 13:10:15,974 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-09-15 13:10:16,178 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 49 [2020-09-15 13:10:16,552 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 78 [2020-09-15 13:10:16,837 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 62 [2020-09-15 13:10:17,283 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 73 [2020-09-15 13:10:17,657 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 45 [2020-09-15 13:10:17,931 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 57 [2020-09-15 13:10:18,095 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 58 [2020-09-15 13:10:18,652 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 51 [2020-09-15 13:10:18,843 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 52 [2020-09-15 13:10:20,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:10:20,837 INFO L93 Difference]: Finished difference Result 2507 states and 5594 transitions. [2020-09-15 13:10:20,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-15 13:10:20,838 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 15 [2020-09-15 13:10:20,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:10:20,844 INFO L225 Difference]: With dead ends: 2507 [2020-09-15 13:10:20,844 INFO L226 Difference]: Without dead ends: 2507 [2020-09-15 13:10:20,845 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=335, Invalid=855, Unknown=0, NotChecked=0, Total=1190 [2020-09-15 13:10:20,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2507 states. [2020-09-15 13:10:20,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2507 to 1887. [2020-09-15 13:10:20,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1887 states. [2020-09-15 13:10:20,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1887 states to 1887 states and 4246 transitions. [2020-09-15 13:10:20,901 INFO L78 Accepts]: Start accepts. Automaton has 1887 states and 4246 transitions. Word has length 15 [2020-09-15 13:10:20,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:10:20,901 INFO L479 AbstractCegarLoop]: Abstraction has 1887 states and 4246 transitions. [2020-09-15 13:10:20,901 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-15 13:10:20,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 4246 transitions. [2020-09-15 13:10:20,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-15 13:10:20,902 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:10:20,902 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:10:20,903 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-15 13:10:20,903 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:10:20,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:10:20,903 INFO L82 PathProgramCache]: Analyzing trace with hash 694796728, now seen corresponding path program 3 times [2020-09-15 13:10:20,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:10:20,904 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741939494] [2020-09-15 13:10:20,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:10:20,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:10:21,560 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2020-09-15 13:10:21,717 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2020-09-15 13:10:21,859 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 34 [2020-09-15 13:10:21,996 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 34 [2020-09-15 13:10:22,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:10:22,375 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741939494] [2020-09-15 13:10:22,375 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:10:22,376 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-15 13:10:22,376 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393605359] [2020-09-15 13:10:22,378 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-15 13:10:22,378 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:10:22,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-15 13:10:22,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2020-09-15 13:10:22,378 INFO L87 Difference]: Start difference. First operand 1887 states and 4246 transitions. Second operand 15 states. [2020-09-15 13:10:22,677 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 49 [2020-09-15 13:10:23,060 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 54 [2020-09-15 13:10:23,214 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 55 [2020-09-15 13:10:23,709 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 61 [2020-09-15 13:10:23,870 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-09-15 13:10:24,053 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 49 [2020-09-15 13:10:24,386 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 79 [2020-09-15 13:10:24,716 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 68 [2020-09-15 13:10:25,292 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 57 [2020-09-15 13:10:25,448 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 58 [2020-09-15 13:10:25,961 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 64 [2020-09-15 13:10:26,186 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 51 [2020-09-15 13:10:26,373 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 52 [2020-09-15 13:10:28,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:10:28,468 INFO L93 Difference]: Finished difference Result 2567 states and 5725 transitions. [2020-09-15 13:10:28,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-15 13:10:28,468 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 15 [2020-09-15 13:10:28,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:10:28,474 INFO L225 Difference]: With dead ends: 2567 [2020-09-15 13:10:28,475 INFO L226 Difference]: Without dead ends: 2567 [2020-09-15 13:10:28,475 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=335, Invalid=855, Unknown=0, NotChecked=0, Total=1190 [2020-09-15 13:10:28,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2567 states. [2020-09-15 13:10:28,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2567 to 1893. [2020-09-15 13:10:28,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1893 states. [2020-09-15 13:10:28,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1893 states to 1893 states and 4259 transitions. [2020-09-15 13:10:28,521 INFO L78 Accepts]: Start accepts. Automaton has 1893 states and 4259 transitions. Word has length 15 [2020-09-15 13:10:28,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:10:28,521 INFO L479 AbstractCegarLoop]: Abstraction has 1893 states and 4259 transitions. [2020-09-15 13:10:28,522 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-15 13:10:28,522 INFO L276 IsEmpty]: Start isEmpty. Operand 1893 states and 4259 transitions. [2020-09-15 13:10:28,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-15 13:10:28,523 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:10:28,523 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:10:28,523 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-15 13:10:28,523 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:10:28,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:10:28,524 INFO L82 PathProgramCache]: Analyzing trace with hash 2048498594, now seen corresponding path program 4 times [2020-09-15 13:10:28,524 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:10:28,524 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86219989] [2020-09-15 13:10:28,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:10:28,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:10:28,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:10:28,904 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86219989] [2020-09-15 13:10:28,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:10:28,905 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-15 13:10:28,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280399090] [2020-09-15 13:10:28,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-15 13:10:28,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:10:28,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-15 13:10:28,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-15 13:10:28,910 INFO L87 Difference]: Start difference. First operand 1893 states and 4259 transitions. Second operand 11 states. [2020-09-15 13:10:29,804 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 48 [2020-09-15 13:10:30,985 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 51 [2020-09-15 13:10:31,200 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 47 [2020-09-15 13:10:32,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:10:32,832 INFO L93 Difference]: Finished difference Result 2562 states and 5712 transitions. [2020-09-15 13:10:32,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-15 13:10:32,833 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2020-09-15 13:10:32,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:10:32,841 INFO L225 Difference]: With dead ends: 2562 [2020-09-15 13:10:32,841 INFO L226 Difference]: Without dead ends: 2562 [2020-09-15 13:10:32,842 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=222, Invalid=480, Unknown=0, NotChecked=0, Total=702 [2020-09-15 13:10:32,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2562 states. [2020-09-15 13:10:32,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2562 to 1899. [2020-09-15 13:10:32,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1899 states. [2020-09-15 13:10:32,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1899 states to 1899 states and 4272 transitions. [2020-09-15 13:10:32,887 INFO L78 Accepts]: Start accepts. Automaton has 1899 states and 4272 transitions. Word has length 15 [2020-09-15 13:10:32,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:10:32,887 INFO L479 AbstractCegarLoop]: Abstraction has 1899 states and 4272 transitions. [2020-09-15 13:10:32,887 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-15 13:10:32,888 INFO L276 IsEmpty]: Start isEmpty. Operand 1899 states and 4272 transitions. [2020-09-15 13:10:32,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-15 13:10:32,889 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:10:32,889 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:10:32,889 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-15 13:10:32,889 INFO L427 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:10:32,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:10:32,890 INFO L82 PathProgramCache]: Analyzing trace with hash 1799924856, now seen corresponding path program 5 times [2020-09-15 13:10:32,890 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:10:32,890 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201441262] [2020-09-15 13:10:32,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:10:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:10:33,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:10:33,150 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201441262] [2020-09-15 13:10:33,151 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:10:33,151 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-15 13:10:33,151 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012574958] [2020-09-15 13:10:33,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-15 13:10:33,151 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:10:33,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-15 13:10:33,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-09-15 13:10:33,152 INFO L87 Difference]: Start difference. First operand 1899 states and 4272 transitions. Second operand 11 states. [2020-09-15 13:10:35,077 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 51 [2020-09-15 13:10:37,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:10:37,039 INFO L93 Difference]: Finished difference Result 2371 states and 5294 transitions. [2020-09-15 13:10:37,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-15 13:10:37,040 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2020-09-15 13:10:37,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:10:37,044 INFO L225 Difference]: With dead ends: 2371 [2020-09-15 13:10:37,044 INFO L226 Difference]: Without dead ends: 2371 [2020-09-15 13:10:37,045 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=246, Invalid=566, Unknown=0, NotChecked=0, Total=812 [2020-09-15 13:10:37,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2371 states. [2020-09-15 13:10:37,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2371 to 1903. [2020-09-15 13:10:37,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1903 states. [2020-09-15 13:10:37,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1903 states to 1903 states and 4280 transitions. [2020-09-15 13:10:37,088 INFO L78 Accepts]: Start accepts. Automaton has 1903 states and 4280 transitions. Word has length 15 [2020-09-15 13:10:37,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:10:37,088 INFO L479 AbstractCegarLoop]: Abstraction has 1903 states and 4280 transitions. [2020-09-15 13:10:37,088 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-15 13:10:37,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1903 states and 4280 transitions. [2020-09-15 13:10:37,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-15 13:10:37,089 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:10:37,090 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:10:37,090 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-15 13:10:37,092 INFO L427 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:10:37,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:10:37,092 INFO L82 PathProgramCache]: Analyzing trace with hash 1549384894, now seen corresponding path program 6 times [2020-09-15 13:10:37,093 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:10:37,093 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089063930] [2020-09-15 13:10:37,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:10:37,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:10:37,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:10:37,361 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089063930] [2020-09-15 13:10:37,362 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:10:37,362 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-15 13:10:37,362 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975609353] [2020-09-15 13:10:37,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-15 13:10:37,362 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:10:37,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-15 13:10:37,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-09-15 13:10:37,363 INFO L87 Difference]: Start difference. First operand 1903 states and 4280 transitions. Second operand 11 states. [2020-09-15 13:10:39,465 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 51 [2020-09-15 13:10:39,844 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 49 [2020-09-15 13:10:41,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:10:41,476 INFO L93 Difference]: Finished difference Result 2320 states and 5181 transitions. [2020-09-15 13:10:41,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-15 13:10:41,477 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2020-09-15 13:10:41,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:10:41,480 INFO L225 Difference]: With dead ends: 2320 [2020-09-15 13:10:41,480 INFO L226 Difference]: Without dead ends: 2320 [2020-09-15 13:10:41,481 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=241, Invalid=571, Unknown=0, NotChecked=0, Total=812 [2020-09-15 13:10:41,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2320 states. [2020-09-15 13:10:41,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2320 to 1903. [2020-09-15 13:10:41,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1903 states. [2020-09-15 13:10:41,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1903 states to 1903 states and 4280 transitions. [2020-09-15 13:10:41,517 INFO L78 Accepts]: Start accepts. Automaton has 1903 states and 4280 transitions. Word has length 15 [2020-09-15 13:10:41,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:10:41,517 INFO L479 AbstractCegarLoop]: Abstraction has 1903 states and 4280 transitions. [2020-09-15 13:10:41,517 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-15 13:10:41,518 INFO L276 IsEmpty]: Start isEmpty. Operand 1903 states and 4280 transitions. [2020-09-15 13:10:41,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-15 13:10:41,519 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:10:41,519 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:10:41,519 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-15 13:10:41,519 INFO L427 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:10:41,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:10:41,520 INFO L82 PathProgramCache]: Analyzing trace with hash 189736568, now seen corresponding path program 7 times [2020-09-15 13:10:41,520 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:10:41,520 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325762799] [2020-09-15 13:10:41,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:10:41,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:10:42,034 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2020-09-15 13:10:42,207 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2020-09-15 13:10:42,369 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 34 [2020-09-15 13:10:42,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:10:42,963 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325762799] [2020-09-15 13:10:42,966 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:10:42,967 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-15 13:10:42,967 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258648578] [2020-09-15 13:10:42,967 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-15 13:10:42,968 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:10:42,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-15 13:10:42,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2020-09-15 13:10:42,969 INFO L87 Difference]: Start difference. First operand 1903 states and 4280 transitions. Second operand 15 states. [2020-09-15 13:10:43,441 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 49 [2020-09-15 13:10:43,821 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 55 [2020-09-15 13:10:44,023 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 54 [2020-09-15 13:10:44,462 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 60 [2020-09-15 13:10:44,697 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 76 [2020-09-15 13:10:44,862 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 49 [2020-09-15 13:10:45,217 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 95 [2020-09-15 13:10:45,525 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 73 [2020-09-15 13:10:46,093 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 58 [2020-09-15 13:10:46,600 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 67 [2020-09-15 13:10:46,912 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 79 [2020-09-15 13:10:47,087 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 52 [2020-09-15 13:10:49,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:10:49,349 INFO L93 Difference]: Finished difference Result 2349 states and 5244 transitions. [2020-09-15 13:10:49,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-15 13:10:49,350 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 15 [2020-09-15 13:10:49,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:10:49,353 INFO L225 Difference]: With dead ends: 2349 [2020-09-15 13:10:49,353 INFO L226 Difference]: Without dead ends: 2349 [2020-09-15 13:10:49,354 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=310, Invalid=880, Unknown=0, NotChecked=0, Total=1190 [2020-09-15 13:10:49,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2349 states. [2020-09-15 13:10:49,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2349 to 1913. [2020-09-15 13:10:49,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1913 states. [2020-09-15 13:10:49,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1913 states to 1913 states and 4303 transitions. [2020-09-15 13:10:49,387 INFO L78 Accepts]: Start accepts. Automaton has 1913 states and 4303 transitions. Word has length 15 [2020-09-15 13:10:49,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:10:49,387 INFO L479 AbstractCegarLoop]: Abstraction has 1913 states and 4303 transitions. [2020-09-15 13:10:49,387 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-15 13:10:49,388 INFO L276 IsEmpty]: Start isEmpty. Operand 1913 states and 4303 transitions. [2020-09-15 13:10:49,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-15 13:10:49,388 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:10:49,389 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:10:49,389 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-15 13:10:49,389 INFO L427 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:10:49,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:10:49,389 INFO L82 PathProgramCache]: Analyzing trace with hash 1543438434, now seen corresponding path program 8 times [2020-09-15 13:10:49,390 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:10:49,390 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540708151] [2020-09-15 13:10:49,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:10:49,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:10:49,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:10:49,649 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540708151] [2020-09-15 13:10:49,650 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:10:49,650 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-15 13:10:49,650 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358438362] [2020-09-15 13:10:49,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-15 13:10:49,651 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:10:49,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-15 13:10:49,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-09-15 13:10:49,651 INFO L87 Difference]: Start difference. First operand 1913 states and 4303 transitions. Second operand 11 states. [2020-09-15 13:10:50,607 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 50 [2020-09-15 13:10:51,690 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 51 [2020-09-15 13:10:53,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:10:53,821 INFO L93 Difference]: Finished difference Result 2380 states and 5312 transitions. [2020-09-15 13:10:53,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-15 13:10:53,821 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2020-09-15 13:10:53,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:10:53,825 INFO L225 Difference]: With dead ends: 2380 [2020-09-15 13:10:53,825 INFO L226 Difference]: Without dead ends: 2380 [2020-09-15 13:10:53,825 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=230, Invalid=526, Unknown=0, NotChecked=0, Total=756 [2020-09-15 13:10:53,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2380 states. [2020-09-15 13:10:53,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2380 to 1903. [2020-09-15 13:10:53,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1903 states. [2020-09-15 13:10:53,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1903 states to 1903 states and 4280 transitions. [2020-09-15 13:10:53,861 INFO L78 Accepts]: Start accepts. Automaton has 1903 states and 4280 transitions. Word has length 15 [2020-09-15 13:10:53,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:10:53,862 INFO L479 AbstractCegarLoop]: Abstraction has 1903 states and 4280 transitions. [2020-09-15 13:10:53,862 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-15 13:10:53,862 INFO L276 IsEmpty]: Start isEmpty. Operand 1903 states and 4280 transitions. [2020-09-15 13:10:53,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-15 13:10:53,864 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:10:53,865 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:10:53,865 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-15 13:10:53,865 INFO L427 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:10:53,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:10:53,865 INFO L82 PathProgramCache]: Analyzing trace with hash -1836536300, now seen corresponding path program 9 times [2020-09-15 13:10:53,866 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:10:53,866 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593218163] [2020-09-15 13:10:53,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:10:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:10:54,467 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 38 [2020-09-15 13:10:54,607 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 35 [2020-09-15 13:10:54,748 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 34 [2020-09-15 13:10:54,939 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 40 [2020-09-15 13:10:55,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:10:55,255 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593218163] [2020-09-15 13:10:55,255 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:10:55,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-15 13:10:55,256 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891729656] [2020-09-15 13:10:55,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-15 13:10:55,256 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:10:55,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-15 13:10:55,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2020-09-15 13:10:55,257 INFO L87 Difference]: Start difference. First operand 1903 states and 4280 transitions. Second operand 15 states. [2020-09-15 13:10:55,980 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 54 [2020-09-15 13:10:56,278 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 71 [2020-09-15 13:10:56,629 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 47 [2020-09-15 13:10:57,040 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 78 [2020-09-15 13:10:57,257 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 62 [2020-09-15 13:10:57,661 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 73 [2020-09-15 13:10:58,018 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 43 [2020-09-15 13:10:58,408 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 57 [2020-09-15 13:10:59,058 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 50 [2020-09-15 13:11:01,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:11:01,499 INFO L93 Difference]: Finished difference Result 2927 states and 6522 transitions. [2020-09-15 13:11:01,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-15 13:11:01,500 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 15 [2020-09-15 13:11:01,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:11:01,504 INFO L225 Difference]: With dead ends: 2927 [2020-09-15 13:11:01,504 INFO L226 Difference]: Without dead ends: 2927 [2020-09-15 13:11:01,505 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=265, Invalid=665, Unknown=0, NotChecked=0, Total=930 [2020-09-15 13:11:01,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2927 states. [2020-09-15 13:11:01,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2927 to 1938. [2020-09-15 13:11:01,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1938 states. [2020-09-15 13:11:01,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1938 states to 1938 states and 4371 transitions. [2020-09-15 13:11:01,534 INFO L78 Accepts]: Start accepts. Automaton has 1938 states and 4371 transitions. Word has length 15 [2020-09-15 13:11:01,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:11:01,534 INFO L479 AbstractCegarLoop]: Abstraction has 1938 states and 4371 transitions. [2020-09-15 13:11:01,534 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-15 13:11:01,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1938 states and 4371 transitions. [2020-09-15 13:11:01,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-15 13:11:01,535 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:11:01,535 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:11:01,535 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-09-15 13:11:01,536 INFO L427 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:11:01,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:11:01,536 INFO L82 PathProgramCache]: Analyzing trace with hash 1616206554, now seen corresponding path program 10 times [2020-09-15 13:11:01,536 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:11:01,537 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632101500] [2020-09-15 13:11:01,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:11:01,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:11:02,173 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 38 [2020-09-15 13:11:02,329 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 35 [2020-09-15 13:11:02,496 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 34 [2020-09-15 13:11:02,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:11:02,905 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632101500] [2020-09-15 13:11:02,905 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:11:02,905 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-15 13:11:02,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132045817] [2020-09-15 13:11:02,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-15 13:11:02,906 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:11:02,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-15 13:11:02,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2020-09-15 13:11:02,907 INFO L87 Difference]: Start difference. First operand 1938 states and 4371 transitions. Second operand 15 states. [2020-09-15 13:11:03,599 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 54 [2020-09-15 13:11:04,028 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 60 [2020-09-15 13:11:04,188 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 47 [2020-09-15 13:11:04,550 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 78 [2020-09-15 13:11:04,906 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 67 [2020-09-15 13:11:05,232 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 43 [2020-09-15 13:11:05,633 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 57 [2020-09-15 13:11:06,280 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 63 [2020-09-15 13:11:06,522 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 50 [2020-09-15 13:11:08,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:11:08,934 INFO L93 Difference]: Finished difference Result 2857 states and 6367 transitions. [2020-09-15 13:11:08,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-15 13:11:08,935 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 15 [2020-09-15 13:11:08,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:11:08,939 INFO L225 Difference]: With dead ends: 2857 [2020-09-15 13:11:08,939 INFO L226 Difference]: Without dead ends: 2857 [2020-09-15 13:11:08,940 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=267, Invalid=663, Unknown=0, NotChecked=0, Total=930 [2020-09-15 13:11:08,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2857 states. [2020-09-15 13:11:08,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2857 to 1945. [2020-09-15 13:11:08,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1945 states. [2020-09-15 13:11:08,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1945 states to 1945 states and 4386 transitions. [2020-09-15 13:11:08,965 INFO L78 Accepts]: Start accepts. Automaton has 1945 states and 4386 transitions. Word has length 15 [2020-09-15 13:11:08,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:11:08,966 INFO L479 AbstractCegarLoop]: Abstraction has 1945 states and 4386 transitions. [2020-09-15 13:11:08,966 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-15 13:11:08,966 INFO L276 IsEmpty]: Start isEmpty. Operand 1945 states and 4386 transitions. [2020-09-15 13:11:08,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-15 13:11:08,967 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:11:08,967 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:11:08,967 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-09-15 13:11:08,967 INFO L427 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:11:08,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:11:08,967 INFO L82 PathProgramCache]: Analyzing trace with hash -1325058876, now seen corresponding path program 11 times [2020-09-15 13:11:08,968 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:11:08,968 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964934792] [2020-09-15 13:11:08,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:11:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:11:09,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:11:09,268 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964934792] [2020-09-15 13:11:09,268 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:11:09,268 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-15 13:11:09,268 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962567375] [2020-09-15 13:11:09,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-15 13:11:09,269 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:11:09,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-15 13:11:09,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-15 13:11:09,270 INFO L87 Difference]: Start difference. First operand 1945 states and 4386 transitions. Second operand 11 states. [2020-09-15 13:11:10,044 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 48 [2020-09-15 13:11:10,227 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 44 [2020-09-15 13:11:11,197 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 51 [2020-09-15 13:11:11,435 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 47 [2020-09-15 13:11:12,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:11:12,764 INFO L93 Difference]: Finished difference Result 2839 states and 6331 transitions. [2020-09-15 13:11:12,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-15 13:11:12,765 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2020-09-15 13:11:12,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:11:12,769 INFO L225 Difference]: With dead ends: 2839 [2020-09-15 13:11:12,769 INFO L226 Difference]: Without dead ends: 2839 [2020-09-15 13:11:12,770 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=207, Invalid=443, Unknown=0, NotChecked=0, Total=650 [2020-09-15 13:11:12,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2839 states. [2020-09-15 13:11:12,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2839 to 1910. [2020-09-15 13:11:12,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1910 states. [2020-09-15 13:11:12,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1910 states to 1910 states and 4302 transitions. [2020-09-15 13:11:12,809 INFO L78 Accepts]: Start accepts. Automaton has 1910 states and 4302 transitions. Word has length 15 [2020-09-15 13:11:12,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:11:12,809 INFO L479 AbstractCegarLoop]: Abstraction has 1910 states and 4302 transitions. [2020-09-15 13:11:12,809 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-15 13:11:12,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1910 states and 4302 transitions. [2020-09-15 13:11:12,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-15 13:11:12,811 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:11:12,811 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:11:12,811 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-09-15 13:11:12,811 INFO L427 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:11:12,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:11:12,812 INFO L82 PathProgramCache]: Analyzing trace with hash -1673100110, now seen corresponding path program 12 times [2020-09-15 13:11:12,812 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:11:12,812 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038026478] [2020-09-15 13:11:12,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:11:12,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:11:13,445 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 38 [2020-09-15 13:11:13,608 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 35 [2020-09-15 13:11:13,759 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 34 [2020-09-15 13:11:13,962 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 40 [2020-09-15 13:11:14,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:11:14,289 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038026478] [2020-09-15 13:11:14,289 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:11:14,289 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-15 13:11:14,289 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507154298] [2020-09-15 13:11:14,290 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-15 13:11:14,290 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:11:14,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-15 13:11:14,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2020-09-15 13:11:14,291 INFO L87 Difference]: Start difference. First operand 1910 states and 4302 transitions. Second operand 15 states. [2020-09-15 13:11:14,756 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 54 [2020-09-15 13:11:15,029 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 71 [2020-09-15 13:11:15,327 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 47 [2020-09-15 13:11:15,680 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 78 [2020-09-15 13:11:15,902 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 62 [2020-09-15 13:11:16,284 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 73 [2020-09-15 13:11:16,626 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 45 [2020-09-15 13:11:16,900 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 57 [2020-09-15 13:11:17,478 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 50 [2020-09-15 13:11:19,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:11:19,180 INFO L93 Difference]: Finished difference Result 2682 states and 5976 transitions. [2020-09-15 13:11:19,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-15 13:11:19,181 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 15 [2020-09-15 13:11:19,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:11:19,185 INFO L225 Difference]: With dead ends: 2682 [2020-09-15 13:11:19,185 INFO L226 Difference]: Without dead ends: 2682 [2020-09-15 13:11:19,186 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=218, Invalid=538, Unknown=0, NotChecked=0, Total=756 [2020-09-15 13:11:19,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2682 states. [2020-09-15 13:11:19,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2682 to 1917. [2020-09-15 13:11:19,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1917 states. [2020-09-15 13:11:19,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1917 states to 1917 states and 4319 transitions. [2020-09-15 13:11:19,212 INFO L78 Accepts]: Start accepts. Automaton has 1917 states and 4319 transitions. Word has length 15 [2020-09-15 13:11:19,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:11:19,212 INFO L479 AbstractCegarLoop]: Abstraction has 1917 states and 4319 transitions. [2020-09-15 13:11:19,212 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-15 13:11:19,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1917 states and 4319 transitions. [2020-09-15 13:11:19,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-15 13:11:19,214 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:11:19,214 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:11:19,214 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-09-15 13:11:19,214 INFO L427 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:11:19,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:11:19,214 INFO L82 PathProgramCache]: Analyzing trace with hash 1779642744, now seen corresponding path program 13 times [2020-09-15 13:11:19,215 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:11:19,215 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979206021] [2020-09-15 13:11:19,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:11:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:11:19,844 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 38 [2020-09-15 13:11:20,004 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 35 [2020-09-15 13:11:20,157 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 34 [2020-09-15 13:11:20,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:11:20,578 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979206021] [2020-09-15 13:11:20,579 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:11:20,579 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-15 13:11:20,579 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70912438] [2020-09-15 13:11:20,579 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-15 13:11:20,579 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:11:20,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-15 13:11:20,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2020-09-15 13:11:20,580 INFO L87 Difference]: Start difference. First operand 1917 states and 4319 transitions. Second operand 15 states. [2020-09-15 13:11:21,110 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 54 [2020-09-15 13:11:21,549 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 60 [2020-09-15 13:11:21,712 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 47 [2020-09-15 13:11:22,060 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 78 [2020-09-15 13:11:22,406 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 67 [2020-09-15 13:11:22,770 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 45 [2020-09-15 13:11:23,063 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 57 [2020-09-15 13:11:23,660 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 63 [2020-09-15 13:11:23,901 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 50 [2020-09-15 13:11:26,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:11:26,092 INFO L93 Difference]: Finished difference Result 2612 states and 5821 transitions. [2020-09-15 13:11:26,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-15 13:11:26,092 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 15 [2020-09-15 13:11:26,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:11:26,096 INFO L225 Difference]: With dead ends: 2612 [2020-09-15 13:11:26,097 INFO L226 Difference]: Without dead ends: 2612 [2020-09-15 13:11:26,097 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=219, Invalid=537, Unknown=0, NotChecked=0, Total=756 [2020-09-15 13:11:26,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2612 states. [2020-09-15 13:11:26,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2612 to 1917. [2020-09-15 13:11:26,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1917 states. [2020-09-15 13:11:26,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1917 states to 1917 states and 4319 transitions. [2020-09-15 13:11:26,135 INFO L78 Accepts]: Start accepts. Automaton has 1917 states and 4319 transitions. Word has length 15 [2020-09-15 13:11:26,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:11:26,135 INFO L479 AbstractCegarLoop]: Abstraction has 1917 states and 4319 transitions. [2020-09-15 13:11:26,135 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-15 13:11:26,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1917 states and 4319 transitions. [2020-09-15 13:11:26,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-15 13:11:26,137 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:11:26,137 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:11:26,138 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-09-15 13:11:26,138 INFO L427 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:11:26,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:11:26,138 INFO L82 PathProgramCache]: Analyzing trace with hash -1161622686, now seen corresponding path program 14 times [2020-09-15 13:11:26,139 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:11:26,139 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160428350] [2020-09-15 13:11:26,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:11:26,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:11:26,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:11:26,432 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160428350] [2020-09-15 13:11:26,432 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:11:26,432 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-15 13:11:26,432 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365330911] [2020-09-15 13:11:26,433 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-15 13:11:26,433 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:11:26,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-15 13:11:26,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-09-15 13:11:26,434 INFO L87 Difference]: Start difference. First operand 1917 states and 4319 transitions. Second operand 11 states. [2020-09-15 13:11:27,077 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 48 [2020-09-15 13:11:27,262 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 44 [2020-09-15 13:11:28,139 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 51 [2020-09-15 13:11:28,362 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 47 [2020-09-15 13:11:29,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:11:29,604 INFO L93 Difference]: Finished difference Result 2594 states and 5785 transitions. [2020-09-15 13:11:29,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-15 13:11:29,604 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2020-09-15 13:11:29,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:11:29,608 INFO L225 Difference]: With dead ends: 2594 [2020-09-15 13:11:29,608 INFO L226 Difference]: Without dead ends: 2594 [2020-09-15 13:11:29,608 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=162, Invalid=344, Unknown=0, NotChecked=0, Total=506 [2020-09-15 13:11:29,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2594 states. [2020-09-15 13:11:29,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2594 to 1868. [2020-09-15 13:11:29,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1868 states. [2020-09-15 13:11:29,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1868 states to 1868 states and 4198 transitions. [2020-09-15 13:11:29,641 INFO L78 Accepts]: Start accepts. Automaton has 1868 states and 4198 transitions. Word has length 15 [2020-09-15 13:11:29,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:11:29,642 INFO L479 AbstractCegarLoop]: Abstraction has 1868 states and 4198 transitions. [2020-09-15 13:11:29,642 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-15 13:11:29,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 4198 transitions. [2020-09-15 13:11:29,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-15 13:11:29,645 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:11:29,645 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:11:29,645 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-09-15 13:11:29,646 INFO L427 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:11:29,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:11:29,646 INFO L82 PathProgramCache]: Analyzing trace with hash -807122092, now seen corresponding path program 1 times [2020-09-15 13:11:29,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:11:29,646 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996181294] [2020-09-15 13:11:29,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:11:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:11:30,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:11:30,434 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996181294] [2020-09-15 13:11:30,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:11:30,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-15 13:11:30,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3272759] [2020-09-15 13:11:30,435 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-15 13:11:30,435 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:11:30,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-15 13:11:30,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2020-09-15 13:11:30,435 INFO L87 Difference]: Start difference. First operand 1868 states and 4198 transitions. Second operand 14 states. [2020-09-15 13:11:30,964 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 39 [2020-09-15 13:11:31,295 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 48 [2020-09-15 13:11:31,661 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 51 [2020-09-15 13:11:31,918 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 51 [2020-09-15 13:11:32,278 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 42 [2020-09-15 13:11:32,726 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 45 [2020-09-15 13:11:32,860 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 46 [2020-09-15 13:11:33,539 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-09-15 13:11:33,925 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 61 [2020-09-15 13:11:35,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:11:35,489 INFO L93 Difference]: Finished difference Result 3544 states and 7989 transitions. [2020-09-15 13:11:35,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-09-15 13:11:35,490 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 17 [2020-09-15 13:11:35,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:11:35,496 INFO L225 Difference]: With dead ends: 3544 [2020-09-15 13:11:35,496 INFO L226 Difference]: Without dead ends: 3544 [2020-09-15 13:11:35,496 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=320, Invalid=1012, Unknown=0, NotChecked=0, Total=1332 [2020-09-15 13:11:35,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3544 states. [2020-09-15 13:11:35,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3544 to 2026. [2020-09-15 13:11:35,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2026 states. [2020-09-15 13:11:35,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2026 states to 2026 states and 4595 transitions. [2020-09-15 13:11:35,532 INFO L78 Accepts]: Start accepts. Automaton has 2026 states and 4595 transitions. Word has length 17 [2020-09-15 13:11:35,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:11:35,534 INFO L479 AbstractCegarLoop]: Abstraction has 2026 states and 4595 transitions. [2020-09-15 13:11:35,534 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-15 13:11:35,534 INFO L276 IsEmpty]: Start isEmpty. Operand 2026 states and 4595 transitions. [2020-09-15 13:11:35,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-15 13:11:35,536 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:11:35,536 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:11:35,536 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-09-15 13:11:35,536 INFO L427 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:11:35,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:11:35,536 INFO L82 PathProgramCache]: Analyzing trace with hash -803345362, now seen corresponding path program 2 times [2020-09-15 13:11:35,537 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:11:35,537 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819323893] [2020-09-15 13:11:35,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:11:35,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:11:36,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:11:36,199 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819323893] [2020-09-15 13:11:36,199 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:11:36,199 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-15 13:11:36,200 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616459940] [2020-09-15 13:11:36,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-15 13:11:36,200 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:11:36,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-15 13:11:36,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-09-15 13:11:36,201 INFO L87 Difference]: Start difference. First operand 2026 states and 4595 transitions. Second operand 14 states. [2020-09-15 13:11:36,817 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 38 [2020-09-15 13:11:36,963 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 43 [2020-09-15 13:11:37,194 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 46 [2020-09-15 13:11:37,640 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 49 [2020-09-15 13:11:37,959 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 49 [2020-09-15 13:11:38,600 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 41 [2020-09-15 13:11:39,474 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 43 [2020-09-15 13:11:39,859 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 46 [2020-09-15 13:11:41,992 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 41 [2020-09-15 13:11:42,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:11:42,706 INFO L93 Difference]: Finished difference Result 3343 states and 7575 transitions. [2020-09-15 13:11:42,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-15 13:11:42,707 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 17 [2020-09-15 13:11:42,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:11:42,711 INFO L225 Difference]: With dead ends: 3343 [2020-09-15 13:11:42,711 INFO L226 Difference]: Without dead ends: 3343 [2020-09-15 13:11:42,711 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=270, Invalid=786, Unknown=0, NotChecked=0, Total=1056 [2020-09-15 13:11:42,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3343 states. [2020-09-15 13:11:42,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3343 to 2072. [2020-09-15 13:11:42,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2072 states. [2020-09-15 13:11:42,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2072 states to 2072 states and 4713 transitions. [2020-09-15 13:11:42,742 INFO L78 Accepts]: Start accepts. Automaton has 2072 states and 4713 transitions. Word has length 17 [2020-09-15 13:11:42,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:11:42,742 INFO L479 AbstractCegarLoop]: Abstraction has 2072 states and 4713 transitions. [2020-09-15 13:11:42,742 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-15 13:11:42,742 INFO L276 IsEmpty]: Start isEmpty. Operand 2072 states and 4713 transitions. [2020-09-15 13:11:42,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-15 13:11:42,743 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:11:42,743 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:11:42,743 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-09-15 13:11:42,744 INFO L427 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:11:42,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:11:42,744 INFO L82 PathProgramCache]: Analyzing trace with hash 1564008090, now seen corresponding path program 3 times [2020-09-15 13:11:42,744 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:11:42,744 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254177241] [2020-09-15 13:11:42,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:11:42,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:11:43,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:11:43,490 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254177241] [2020-09-15 13:11:43,490 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:11:43,490 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-15 13:11:43,490 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673155405] [2020-09-15 13:11:43,491 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-15 13:11:43,491 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:11:43,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-15 13:11:43,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2020-09-15 13:11:43,491 INFO L87 Difference]: Start difference. First operand 2072 states and 4713 transitions. Second operand 14 states. [2020-09-15 13:11:44,163 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 39 [2020-09-15 13:11:44,628 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 45 [2020-09-15 13:11:44,791 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 48 [2020-09-15 13:11:45,054 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 43 [2020-09-15 13:11:45,324 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 48 [2020-09-15 13:11:45,536 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 56 [2020-09-15 13:11:45,838 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-09-15 13:11:46,586 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 48 [2020-09-15 13:11:46,757 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 51 [2020-09-15 13:11:47,428 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 51 [2020-09-15 13:11:47,783 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 59 [2020-09-15 13:11:48,223 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 62 [2020-09-15 13:11:50,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:11:50,369 INFO L93 Difference]: Finished difference Result 3504 states and 7946 transitions. [2020-09-15 13:11:50,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-09-15 13:11:50,370 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 17 [2020-09-15 13:11:50,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:11:50,377 INFO L225 Difference]: With dead ends: 3504 [2020-09-15 13:11:50,377 INFO L226 Difference]: Without dead ends: 3504 [2020-09-15 13:11:50,378 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 290 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=427, Invalid=1213, Unknown=0, NotChecked=0, Total=1640 [2020-09-15 13:11:50,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3504 states. [2020-09-15 13:11:50,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3504 to 2082. [2020-09-15 13:11:50,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2082 states. [2020-09-15 13:11:50,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2082 states to 2082 states and 4736 transitions. [2020-09-15 13:11:50,421 INFO L78 Accepts]: Start accepts. Automaton has 2082 states and 4736 transitions. Word has length 17 [2020-09-15 13:11:50,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:11:50,421 INFO L479 AbstractCegarLoop]: Abstraction has 2082 states and 4736 transitions. [2020-09-15 13:11:50,421 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-15 13:11:50,422 INFO L276 IsEmpty]: Start isEmpty. Operand 2082 states and 4736 transitions. [2020-09-15 13:11:50,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-15 13:11:50,423 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:11:50,423 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:11:50,423 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-09-15 13:11:50,424 INFO L427 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:11:50,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:11:50,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1567784820, now seen corresponding path program 4 times [2020-09-15 13:11:50,424 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:11:50,424 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248964518] [2020-09-15 13:11:50,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:11:50,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:11:51,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:11:51,000 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248964518] [2020-09-15 13:11:51,000 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:11:51,000 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-15 13:11:51,001 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122459012] [2020-09-15 13:11:51,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-15 13:11:51,001 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:11:51,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-15 13:11:51,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-09-15 13:11:51,001 INFO L87 Difference]: Start difference. First operand 2082 states and 4736 transitions. Second operand 14 states. [2020-09-15 13:11:51,571 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 38 [2020-09-15 13:11:52,024 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 43 [2020-09-15 13:11:52,291 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 56 [2020-09-15 13:11:52,455 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 41 [2020-09-15 13:11:52,736 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 54 [2020-09-15 13:11:53,314 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 41 [2020-09-15 13:11:53,447 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 46 [2020-09-15 13:11:53,989 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 46 [2020-09-15 13:11:54,262 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 43 [2020-09-15 13:11:54,484 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 44 [2020-09-15 13:11:54,771 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 46 [2020-09-15 13:11:56,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:11:56,864 INFO L93 Difference]: Finished difference Result 3541 states and 8057 transitions. [2020-09-15 13:11:56,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-15 13:11:56,865 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 17 [2020-09-15 13:11:56,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:11:56,869 INFO L225 Difference]: With dead ends: 3541 [2020-09-15 13:11:56,870 INFO L226 Difference]: Without dead ends: 3541 [2020-09-15 13:11:56,870 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=313, Invalid=877, Unknown=0, NotChecked=0, Total=1190 [2020-09-15 13:11:56,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3541 states. [2020-09-15 13:11:56,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3541 to 2074. [2020-09-15 13:11:56,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2074 states. [2020-09-15 13:11:56,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2074 states to 2074 states and 4718 transitions. [2020-09-15 13:11:56,900 INFO L78 Accepts]: Start accepts. Automaton has 2074 states and 4718 transitions. Word has length 17 [2020-09-15 13:11:56,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:11:56,900 INFO L479 AbstractCegarLoop]: Abstraction has 2074 states and 4718 transitions. [2020-09-15 13:11:56,900 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-15 13:11:56,901 INFO L276 IsEmpty]: Start isEmpty. Operand 2074 states and 4718 transitions. [2020-09-15 13:11:56,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-15 13:11:56,901 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:11:56,902 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:11:56,902 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-09-15 13:11:56,902 INFO L427 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:11:56,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:11:56,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1824797056, now seen corresponding path program 5 times [2020-09-15 13:11:56,902 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:11:56,902 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800916370] [2020-09-15 13:11:56,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:11:56,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:11:57,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:11:57,435 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800916370] [2020-09-15 13:11:57,435 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:11:57,435 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-15 13:11:57,435 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771913347] [2020-09-15 13:11:57,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-15 13:11:57,436 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:11:57,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-15 13:11:57,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-09-15 13:11:57,436 INFO L87 Difference]: Start difference. First operand 2074 states and 4718 transitions. Second operand 12 states. [2020-09-15 13:11:58,088 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 44 [2020-09-15 13:11:58,222 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 43 [2020-09-15 13:11:58,515 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 52 [2020-09-15 13:11:58,737 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 52 [2020-09-15 13:11:59,362 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 47 [2020-09-15 13:11:59,510 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 47 [2020-09-15 13:12:00,035 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 55 [2020-09-15 13:12:00,345 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 55 [2020-09-15 13:12:02,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:12:02,139 INFO L93 Difference]: Finished difference Result 3260 states and 7376 transitions. [2020-09-15 13:12:02,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-15 13:12:02,140 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 17 [2020-09-15 13:12:02,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:12:02,145 INFO L225 Difference]: With dead ends: 3260 [2020-09-15 13:12:02,146 INFO L226 Difference]: Without dead ends: 3260 [2020-09-15 13:12:02,146 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=235, Invalid=577, Unknown=0, NotChecked=0, Total=812 [2020-09-15 13:12:02,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3260 states. [2020-09-15 13:12:02,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3260 to 2057. [2020-09-15 13:12:02,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2057 states. [2020-09-15 13:12:02,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2057 states to 2057 states and 4664 transitions. [2020-09-15 13:12:02,189 INFO L78 Accepts]: Start accepts. Automaton has 2057 states and 4664 transitions. Word has length 17 [2020-09-15 13:12:02,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:12:02,189 INFO L479 AbstractCegarLoop]: Abstraction has 2057 states and 4664 transitions. [2020-09-15 13:12:02,190 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-15 13:12:02,190 INFO L276 IsEmpty]: Start isEmpty. Operand 2057 states and 4664 transitions. [2020-09-15 13:12:02,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-15 13:12:02,191 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:12:02,191 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:12:02,192 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-09-15 13:12:02,192 INFO L427 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:12:02,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:12:02,192 INFO L82 PathProgramCache]: Analyzing trace with hash 1515180442, now seen corresponding path program 6 times [2020-09-15 13:12:02,192 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:12:02,193 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715243113] [2020-09-15 13:12:02,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:12:02,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:12:02,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:12:02,648 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715243113] [2020-09-15 13:12:02,648 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:12:02,648 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-15 13:12:02,648 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962433711] [2020-09-15 13:12:02,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-15 13:12:02,649 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:12:02,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-15 13:12:02,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-09-15 13:12:02,649 INFO L87 Difference]: Start difference. First operand 2057 states and 4664 transitions. Second operand 12 states. [2020-09-15 13:12:03,316 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 43 [2020-09-15 13:12:03,484 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 46 [2020-09-15 13:12:03,659 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 46 [2020-09-15 13:12:03,873 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 52 [2020-09-15 13:12:04,088 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 52 [2020-09-15 13:12:04,783 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 47 [2020-09-15 13:12:05,346 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 55 [2020-09-15 13:12:05,670 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 55 [2020-09-15 13:12:07,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:12:07,838 INFO L93 Difference]: Finished difference Result 3565 states and 8096 transitions. [2020-09-15 13:12:07,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-15 13:12:07,840 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 17 [2020-09-15 13:12:07,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:12:07,845 INFO L225 Difference]: With dead ends: 3565 [2020-09-15 13:12:07,846 INFO L226 Difference]: Without dead ends: 3565 [2020-09-15 13:12:07,846 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=280, Invalid=776, Unknown=0, NotChecked=0, Total=1056 [2020-09-15 13:12:07,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2020-09-15 13:12:07,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 2079. [2020-09-15 13:12:07,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2079 states. [2020-09-15 13:12:07,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2079 states to 2079 states and 4712 transitions. [2020-09-15 13:12:07,878 INFO L78 Accepts]: Start accepts. Automaton has 2079 states and 4712 transitions. Word has length 17 [2020-09-15 13:12:07,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:12:07,879 INFO L479 AbstractCegarLoop]: Abstraction has 2079 states and 4712 transitions. [2020-09-15 13:12:07,879 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-15 13:12:07,879 INFO L276 IsEmpty]: Start isEmpty. Operand 2079 states and 4712 transitions. [2020-09-15 13:12:07,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-15 13:12:07,880 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:12:07,880 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:12:07,880 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-09-15 13:12:07,881 INFO L427 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:12:07,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:12:07,881 INFO L82 PathProgramCache]: Analyzing trace with hash -784981494, now seen corresponding path program 7 times [2020-09-15 13:12:07,881 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:12:07,881 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391831572] [2020-09-15 13:12:07,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:12:07,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:12:08,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:12:08,383 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391831572] [2020-09-15 13:12:08,383 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:12:08,383 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-15 13:12:08,384 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378727288] [2020-09-15 13:12:08,384 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-15 13:12:08,384 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:12:08,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-15 13:12:08,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-09-15 13:12:08,385 INFO L87 Difference]: Start difference. First operand 2079 states and 4712 transitions. Second operand 12 states. [2020-09-15 13:12:08,710 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 37 [2020-09-15 13:12:09,053 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 43 [2020-09-15 13:12:09,222 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 46 [2020-09-15 13:12:09,398 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 46 [2020-09-15 13:12:09,612 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 52 [2020-09-15 13:12:09,829 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 52 [2020-09-15 13:12:09,997 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 54 [2020-09-15 13:12:10,716 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 47 [2020-09-15 13:12:11,275 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 55 [2020-09-15 13:12:11,586 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 55 [2020-09-15 13:12:11,842 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 57 [2020-09-15 13:12:14,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:12:14,147 INFO L93 Difference]: Finished difference Result 3427 states and 7792 transitions. [2020-09-15 13:12:14,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-15 13:12:14,148 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 17 [2020-09-15 13:12:14,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:12:14,154 INFO L225 Difference]: With dead ends: 3427 [2020-09-15 13:12:14,154 INFO L226 Difference]: Without dead ends: 3427 [2020-09-15 13:12:14,155 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=272, Invalid=784, Unknown=0, NotChecked=0, Total=1056 [2020-09-15 13:12:14,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3427 states. [2020-09-15 13:12:14,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3427 to 2079. [2020-09-15 13:12:14,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2079 states. [2020-09-15 13:12:14,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2079 states to 2079 states and 4712 transitions. [2020-09-15 13:12:14,199 INFO L78 Accepts]: Start accepts. Automaton has 2079 states and 4712 transitions. Word has length 17 [2020-09-15 13:12:14,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:12:14,199 INFO L479 AbstractCegarLoop]: Abstraction has 2079 states and 4712 transitions. [2020-09-15 13:12:14,199 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-15 13:12:14,199 INFO L276 IsEmpty]: Start isEmpty. Operand 2079 states and 4712 transitions. [2020-09-15 13:12:14,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-15 13:12:14,201 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:12:14,201 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:12:14,201 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-09-15 13:12:14,201 INFO L427 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:12:14,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:12:14,202 INFO L82 PathProgramCache]: Analyzing trace with hash -1082098788, now seen corresponding path program 8 times [2020-09-15 13:12:14,202 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:12:14,202 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653812908] [2020-09-15 13:12:14,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:12:14,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:12:14,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:12:14,712 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653812908] [2020-09-15 13:12:14,712 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:12:14,712 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-15 13:12:14,713 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542010375] [2020-09-15 13:12:14,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-15 13:12:14,713 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:12:14,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-15 13:12:14,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-09-15 13:12:14,714 INFO L87 Difference]: Start difference. First operand 2079 states and 4712 transitions. Second operand 12 states. [2020-09-15 13:12:15,377 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 43 [2020-09-15 13:12:15,549 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 46 [2020-09-15 13:12:15,730 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 46 [2020-09-15 13:12:15,947 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 52 [2020-09-15 13:12:16,182 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 52 [2020-09-15 13:12:16,361 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 56 [2020-09-15 13:12:17,016 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 47 [2020-09-15 13:12:17,501 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 55 [2020-09-15 13:12:17,801 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 55 [2020-09-15 13:12:18,075 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 59 [2020-09-15 13:12:20,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:12:20,194 INFO L93 Difference]: Finished difference Result 3010 states and 6811 transitions. [2020-09-15 13:12:20,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-15 13:12:20,195 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 17 [2020-09-15 13:12:20,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:12:20,200 INFO L225 Difference]: With dead ends: 3010 [2020-09-15 13:12:20,200 INFO L226 Difference]: Without dead ends: 3010 [2020-09-15 13:12:20,200 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=254, Invalid=676, Unknown=0, NotChecked=0, Total=930 [2020-09-15 13:12:20,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3010 states. [2020-09-15 13:12:20,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3010 to 2079. [2020-09-15 13:12:20,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2079 states. [2020-09-15 13:12:20,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2079 states to 2079 states and 4712 transitions. [2020-09-15 13:12:20,229 INFO L78 Accepts]: Start accepts. Automaton has 2079 states and 4712 transitions. Word has length 17 [2020-09-15 13:12:20,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:12:20,229 INFO L479 AbstractCegarLoop]: Abstraction has 2079 states and 4712 transitions. [2020-09-15 13:12:20,229 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-15 13:12:20,229 INFO L276 IsEmpty]: Start isEmpty. Operand 2079 states and 4712 transitions. [2020-09-15 13:12:20,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-15 13:12:20,230 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:12:20,230 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:12:20,231 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-09-15 13:12:20,231 INFO L427 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:12:20,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:12:20,231 INFO L82 PathProgramCache]: Analyzing trace with hash 1532498778, now seen corresponding path program 9 times [2020-09-15 13:12:20,231 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:12:20,231 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118745931] [2020-09-15 13:12:20,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:12:20,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:12:20,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:12:20,985 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118745931] [2020-09-15 13:12:20,985 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:12:20,986 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-15 13:12:20,986 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227596759] [2020-09-15 13:12:20,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-15 13:12:20,986 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:12:20,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-15 13:12:20,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-09-15 13:12:20,987 INFO L87 Difference]: Start difference. First operand 2079 states and 4712 transitions. Second operand 14 states. [2020-09-15 13:12:21,949 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 40 [2020-09-15 13:12:22,126 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 48 [2020-09-15 13:12:22,389 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 46 [2020-09-15 13:12:22,575 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 55 [2020-09-15 13:12:22,843 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 51 [2020-09-15 13:12:23,121 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 69 [2020-09-15 13:12:23,416 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 60 [2020-09-15 13:12:23,835 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 44 [2020-09-15 13:12:24,195 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 51 [2020-09-15 13:12:24,828 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 60 [2020-09-15 13:12:25,117 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 54 [2020-09-15 13:12:25,486 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 62 [2020-09-15 13:12:25,739 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 63 [2020-09-15 13:12:26,224 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 65 [2020-09-15 13:12:28,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:12:28,916 INFO L93 Difference]: Finished difference Result 3279 states and 7434 transitions. [2020-09-15 13:12:28,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-09-15 13:12:28,917 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 17 [2020-09-15 13:12:28,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:12:28,922 INFO L225 Difference]: With dead ends: 3279 [2020-09-15 13:12:28,922 INFO L226 Difference]: Without dead ends: 3279 [2020-09-15 13:12:28,923 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=432, Invalid=1290, Unknown=0, NotChecked=0, Total=1722 [2020-09-15 13:12:28,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3279 states. [2020-09-15 13:12:28,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3279 to 2101. [2020-09-15 13:12:28,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2101 states. [2020-09-15 13:12:28,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2101 states to 2101 states and 4773 transitions. [2020-09-15 13:12:28,954 INFO L78 Accepts]: Start accepts. Automaton has 2101 states and 4773 transitions. Word has length 17 [2020-09-15 13:12:28,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:12:28,954 INFO L479 AbstractCegarLoop]: Abstraction has 2101 states and 4773 transitions. [2020-09-15 13:12:28,955 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-15 13:12:28,955 INFO L276 IsEmpty]: Start isEmpty. Operand 2101 states and 4773 transitions. [2020-09-15 13:12:28,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-15 13:12:28,956 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:12:28,956 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:12:28,957 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-09-15 13:12:28,957 INFO L427 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:12:28,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:12:28,957 INFO L82 PathProgramCache]: Analyzing trace with hash 1536275508, now seen corresponding path program 10 times [2020-09-15 13:12:28,957 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:12:28,958 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366452315] [2020-09-15 13:12:28,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:12:29,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:12:29,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:12:29,714 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366452315] [2020-09-15 13:12:29,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:12:29,714 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-15 13:12:29,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511379100] [2020-09-15 13:12:29,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-15 13:12:29,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:12:29,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-15 13:12:29,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-09-15 13:12:29,716 INFO L87 Difference]: Start difference. First operand 2101 states and 4773 transitions. Second operand 14 states. [2020-09-15 13:12:30,382 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 43 [2020-09-15 13:12:30,843 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 46 [2020-09-15 13:12:31,033 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 54 [2020-09-15 13:12:31,367 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 68 [2020-09-15 13:12:31,506 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 46 [2020-09-15 13:12:31,813 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 59 [2020-09-15 13:12:32,434 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 46 [2020-09-15 13:12:33,026 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 48 [2020-09-15 13:12:33,320 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 49 [2020-09-15 13:12:33,516 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 57 [2020-09-15 13:12:33,911 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 52 [2020-09-15 13:12:34,072 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 49 [2020-09-15 13:12:37,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:12:37,628 INFO L93 Difference]: Finished difference Result 3397 states and 7722 transitions. [2020-09-15 13:12:37,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-09-15 13:12:37,629 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 17 [2020-09-15 13:12:37,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:12:37,634 INFO L225 Difference]: With dead ends: 3397 [2020-09-15 13:12:37,635 INFO L226 Difference]: Without dead ends: 3397 [2020-09-15 13:12:37,635 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=323, Invalid=1009, Unknown=0, NotChecked=0, Total=1332 [2020-09-15 13:12:37,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3397 states. [2020-09-15 13:12:37,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3397 to 2101. [2020-09-15 13:12:37,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2101 states. [2020-09-15 13:12:37,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2101 states to 2101 states and 4773 transitions. [2020-09-15 13:12:37,667 INFO L78 Accepts]: Start accepts. Automaton has 2101 states and 4773 transitions. Word has length 17 [2020-09-15 13:12:37,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:12:37,668 INFO L479 AbstractCegarLoop]: Abstraction has 2101 states and 4773 transitions. [2020-09-15 13:12:37,668 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-15 13:12:37,668 INFO L276 IsEmpty]: Start isEmpty. Operand 2101 states and 4773 transitions. [2020-09-15 13:12:37,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-15 13:12:37,669 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:12:37,670 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:12:37,670 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-09-15 13:12:37,670 INFO L427 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:12:37,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:12:37,670 INFO L82 PathProgramCache]: Analyzing trace with hash 1793287744, now seen corresponding path program 11 times [2020-09-15 13:12:37,671 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:12:37,671 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109819187] [2020-09-15 13:12:37,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:12:37,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:12:38,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:12:38,170 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109819187] [2020-09-15 13:12:38,170 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:12:38,170 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-15 13:12:38,171 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393490400] [2020-09-15 13:12:38,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-15 13:12:38,171 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:12:38,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-15 13:12:38,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-15 13:12:38,172 INFO L87 Difference]: Start difference. First operand 2101 states and 4773 transitions. Second operand 12 states. [2020-09-15 13:12:38,896 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 43 [2020-09-15 13:12:39,060 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 46 [2020-09-15 13:12:39,324 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 52 [2020-09-15 13:12:39,500 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 54 [2020-09-15 13:12:39,731 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 52 [2020-09-15 13:12:40,380 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 47 [2020-09-15 13:12:40,871 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 55 [2020-09-15 13:12:41,117 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 57 [2020-09-15 13:12:41,444 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 55 [2020-09-15 13:12:43,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:12:43,455 INFO L93 Difference]: Finished difference Result 3224 states and 7336 transitions. [2020-09-15 13:12:43,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-15 13:12:43,456 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 17 [2020-09-15 13:12:43,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:12:43,461 INFO L225 Difference]: With dead ends: 3224 [2020-09-15 13:12:43,461 INFO L226 Difference]: Without dead ends: 3224 [2020-09-15 13:12:43,462 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=243, Invalid=627, Unknown=0, NotChecked=0, Total=870 [2020-09-15 13:12:43,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3224 states. [2020-09-15 13:12:43,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3224 to 2079. [2020-09-15 13:12:43,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2079 states. [2020-09-15 13:12:43,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2079 states to 2079 states and 4712 transitions. [2020-09-15 13:12:43,494 INFO L78 Accepts]: Start accepts. Automaton has 2079 states and 4712 transitions. Word has length 17 [2020-09-15 13:12:43,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:12:43,494 INFO L479 AbstractCegarLoop]: Abstraction has 2079 states and 4712 transitions. [2020-09-15 13:12:43,494 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-15 13:12:43,494 INFO L276 IsEmpty]: Start isEmpty. Operand 2079 states and 4712 transitions. [2020-09-15 13:12:43,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-15 13:12:43,495 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:12:43,496 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:12:43,496 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-09-15 13:12:43,496 INFO L427 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:12:43,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:12:43,496 INFO L82 PathProgramCache]: Analyzing trace with hash -95542282, now seen corresponding path program 12 times [2020-09-15 13:12:43,497 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:12:43,497 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438577987] [2020-09-15 13:12:43,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:12:43,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:12:43,582 ERROR L253 erpolLogProxyWrapper]: Interpolant 13 not inductive [2020-09-15 13:12:43,586 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-09-15 13:12:43,587 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: generated interpolants did not pass sanity check at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:219) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:874) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:392) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:386) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:326) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:352) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-09-15 13:12:43,591 INFO L168 Benchmark]: Toolchain (without parser) took 178736.07 ms. Allocated memory was 147.3 MB in the beginning and 408.4 MB in the end (delta: 261.1 MB). Free memory was 99.6 MB in the beginning and 113.4 MB in the end (delta: -13.8 MB). Peak memory consumption was 247.3 MB. Max. memory is 7.1 GB. [2020-09-15 13:12:43,592 INFO L168 Benchmark]: CDTParser took 0.60 ms. Allocated memory is still 147.3 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-15 13:12:43,593 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1026.53 ms. Allocated memory was 147.3 MB in the beginning and 205.5 MB in the end (delta: 58.2 MB). Free memory was 99.0 MB in the beginning and 132.8 MB in the end (delta: -33.8 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. [2020-09-15 13:12:43,593 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.01 ms. Allocated memory is still 205.5 MB. Free memory was 132.8 MB in the beginning and 128.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-09-15 13:12:43,593 INFO L168 Benchmark]: Boogie Preprocessor took 108.04 ms. Allocated memory is still 205.5 MB. Free memory was 128.9 MB in the beginning and 124.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-09-15 13:12:43,594 INFO L168 Benchmark]: RCFGBuilder took 1094.18 ms. Allocated memory was 205.5 MB in the beginning and 236.5 MB in the end (delta: 30.9 MB). Free memory was 124.9 MB in the beginning and 150.3 MB in the end (delta: -25.3 MB). Peak memory consumption was 39.9 MB. Max. memory is 7.1 GB. [2020-09-15 13:12:43,594 INFO L168 Benchmark]: TraceAbstraction took 176381.49 ms. Allocated memory was 236.5 MB in the beginning and 408.4 MB in the end (delta: 172.0 MB). Free memory was 150.3 MB in the beginning and 113.4 MB in the end (delta: 36.9 MB). Peak memory consumption was 208.8 MB. Max. memory is 7.1 GB. [2020-09-15 13:12:43,600 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60 ms. Allocated memory is still 147.3 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1026.53 ms. Allocated memory was 147.3 MB in the beginning and 205.5 MB in the end (delta: 58.2 MB). Free memory was 99.0 MB in the beginning and 132.8 MB in the end (delta: -33.8 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 111.01 ms. Allocated memory is still 205.5 MB. Free memory was 132.8 MB in the beginning and 128.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.04 ms. Allocated memory is still 205.5 MB. Free memory was 128.9 MB in the beginning and 124.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1094.18 ms. Allocated memory was 205.5 MB in the beginning and 236.5 MB in the end (delta: 30.9 MB). Free memory was 124.9 MB in the beginning and 150.3 MB in the end (delta: -25.3 MB). Peak memory consumption was 39.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 176381.49 ms. Allocated memory was 236.5 MB in the beginning and 408.4 MB in the end (delta: 172.0 MB). Free memory was 150.3 MB in the beginning and 113.4 MB in the end (delta: 36.9 MB). Peak memory consumption was 208.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 15.2s, 426 ProgramPointsBefore, 108 ProgramPointsAfterwards, 455 TransitionsBefore, 122 TransitionsAfterwards, 31742 CoEnabledTransitionPairs, 8 FixpointIterations, 119 TrivialSequentialCompositions, 217 ConcurrentSequentialCompositions, 25 TrivialYvCompositions, 63 ConcurrentYvCompositions, 15 ChoiceCompositions, 16803 VarBasedMoverChecksPositive, 237 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 73353 CheckedPairsTotal, 424 TotalNumberOfCompositions - ExceptionOrErrorResult: SMTLIBException: generated interpolants did not pass sanity check de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: generated interpolants did not pass sanity check: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:219) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...