/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-2_2-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-09 22:14:03,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-09 22:14:03,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-09 22:14:03,447 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-09 22:14:03,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-09 22:14:03,457 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-09 22:14:03,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-09 22:14:03,459 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-09 22:14:03,460 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-09 22:14:03,460 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-09 22:14:03,462 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-09 22:14:03,463 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-09 22:14:03,465 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-09 22:14:03,466 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-09 22:14:03,467 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-09 22:14:03,468 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-09 22:14:03,470 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-09 22:14:03,491 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-09 22:14:03,492 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-09 22:14:03,493 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-09 22:14:03,494 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-09 22:14:03,494 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-09 22:14:03,495 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-09 22:14:03,495 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-09 22:14:03,495 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-09 22:14:03,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-09 22:14:03,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-09 22:14:03,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-09 22:14:03,498 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Delay.epf [2021-07-09 22:14:03,571 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-09 22:14:03,571 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-09 22:14:03,588 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-09 22:14:03,589 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-09 22:14:03,589 INFO L138 SettingsManager]: * Use SBE=true [2021-07-09 22:14:03,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-09 22:14:03,589 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-09 22:14:03,590 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-09 22:14:03,590 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-09 22:14:03,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-09 22:14:03,591 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-09 22:14:03,591 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-09 22:14:03,592 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-09 22:14:03,592 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-09 22:14:03,592 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-09 22:14:03,592 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-09 22:14:03,592 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-09 22:14:03,592 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-09 22:14:03,592 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-09 22:14:03,593 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-09 22:14:03,593 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-09 22:14:03,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-09 22:14:03,593 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-09 22:14:03,594 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-09 22:14:03,594 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-09 22:14:03,594 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-09 22:14:03,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-09 22:14:03,594 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-09 22:14:03,594 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-09 22:14:03,594 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-07-09 22:14:03,595 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-09 22:14:04,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-09 22:14:04,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-09 22:14:04,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-09 22:14:04,211 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-09 22:14:04,211 INFO L275 PluginConnector]: CDTParser initialized [2021-07-09 22:14:04,212 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_2-container_of.i [2021-07-09 22:14:04,277 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9540b0e09/263f598395de4c5491362bc8d0fa9232/FLAGf02c99d43 [2021-07-09 22:14:04,912 INFO L306 CDTParser]: Found 1 translation units. [2021-07-09 22:14:04,912 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_2-container_of.i [2021-07-09 22:14:04,935 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9540b0e09/263f598395de4c5491362bc8d0fa9232/FLAGf02c99d43 [2021-07-09 22:14:05,135 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9540b0e09/263f598395de4c5491362bc8d0fa9232 [2021-07-09 22:14:05,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-09 22:14:05,142 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-09 22:14:05,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-09 22:14:05,144 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-09 22:14:05,147 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-09 22:14:05,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.07 10:14:05" (1/1) ... [2021-07-09 22:14:05,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bca5c36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:05, skipping insertion in model container [2021-07-09 22:14:05,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.07 10:14:05" (1/1) ... [2021-07-09 22:14:05,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-09 22:14:05,215 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-09 22:14:05,329 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-07-09 22:14:05,751 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_2-container_of.i[75002,75015] [2021-07-09 22:14:05,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-09 22:14:05,772 INFO L203 MainTranslator]: Completed pre-run [2021-07-09 22:14:05,780 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-07-09 22:14:05,804 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_2-container_of.i[75002,75015] [2021-07-09 22:14:05,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-09 22:14:05,919 INFO L208 MainTranslator]: Completed translation [2021-07-09 22:14:05,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:05 WrapperNode [2021-07-09 22:14:05,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-09 22:14:05,921 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-09 22:14:05,921 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-09 22:14:05,921 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-09 22:14:05,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:05" (1/1) ... [2021-07-09 22:14:05,972 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:05" (1/1) ... [2021-07-09 22:14:06,009 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-09 22:14:06,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-09 22:14:06,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-09 22:14:06,010 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-09 22:14:06,016 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:05" (1/1) ... [2021-07-09 22:14:06,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:05" (1/1) ... [2021-07-09 22:14:06,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:05" (1/1) ... [2021-07-09 22:14:06,034 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:05" (1/1) ... [2021-07-09 22:14:06,043 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:05" (1/1) ... [2021-07-09 22:14:06,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:05" (1/1) ... [2021-07-09 22:14:06,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:05" (1/1) ... [2021-07-09 22:14:06,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-09 22:14:06,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-09 22:14:06,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-09 22:14:06,071 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-09 22:14:06,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-09 22:14:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-09 22:14:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-09 22:14:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-09 22:14:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-09 22:14:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-07-09 22:14:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-09 22:14:06,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-09 22:14:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2021-07-09 22:14:06,155 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2021-07-09 22:14:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-09 22:14:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-09 22:14:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-09 22:14:06,156 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-09 22:14:06,842 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-09 22:14:06,842 INFO L299 CfgBuilder]: Removed 20 assume(true) statements. [2021-07-09 22:14:06,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 10:14:06 BoogieIcfgContainer [2021-07-09 22:14:06,845 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-09 22:14:06,848 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-09 22:14:06,848 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-09 22:14:06,850 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-09 22:14:06,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.07 10:14:05" (1/3) ... [2021-07-09 22:14:06,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5574136a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.07 10:14:06, skipping insertion in model container [2021-07-09 22:14:06,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:05" (2/3) ... [2021-07-09 22:14:06,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5574136a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.07 10:14:06, skipping insertion in model container [2021-07-09 22:14:06,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 10:14:06" (3/3) ... [2021-07-09 22:14:06,853 INFO L111 eAbstractionObserver]: Analyzing ICFG race-2_2-container_of.i [2021-07-09 22:14:06,858 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-09 22:14:06,859 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-09 22:14:06,859 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-07-09 22:14:06,859 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-09 22:14:06,898 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,898 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,898 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,898 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,899 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,899 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,899 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,899 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,899 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,899 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,900 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,900 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,900 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,901 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,901 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,901 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,902 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,902 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,902 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,902 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,902 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,902 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,903 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,903 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,903 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,903 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,903 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,903 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,903 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,903 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,904 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,904 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,904 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,905 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,905 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,905 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,905 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,905 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,906 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,906 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,906 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,906 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,906 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,906 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,906 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,907 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,907 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,907 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,907 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,907 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,907 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,907 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,907 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,908 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,908 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,908 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,908 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,908 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,909 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,909 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,909 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,909 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,909 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,909 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,910 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,910 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,910 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,910 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,910 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,910 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,910 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,910 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,911 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,911 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,911 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,911 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,911 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,911 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,911 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,911 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,912 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,912 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,912 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,912 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,912 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,912 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,913 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,913 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,913 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,913 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,914 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,914 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,914 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,914 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,915 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,915 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,916 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,917 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,917 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,917 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,917 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,918 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,918 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,918 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,918 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,918 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,918 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,918 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,918 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,918 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,919 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,919 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,919 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,919 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,919 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,919 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,921 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,921 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,921 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,921 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,922 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,922 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,922 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,922 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,922 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,922 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,923 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,923 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,925 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,925 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,925 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,925 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,926 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,926 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,926 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,926 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,926 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,926 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,927 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,927 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:06,936 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-07-09 22:14:06,958 INFO L255 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-07-09 22:14:06,976 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-09 22:14:06,977 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-09 22:14:06,977 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-09 22:14:06,977 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-09 22:14:06,980 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-09 22:14:06,980 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-09 22:14:06,981 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-09 22:14:06,981 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-09 22:15:03,781 INFO L276 IsEmpty]: Start isEmpty. Operand has 5107 states, 4657 states have (on average 1.505690358599957) internal successors, (7012), 5106 states have internal predecessors, (7012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:03,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-07-09 22:15:03,789 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:03,790 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:03,790 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:15:03,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:03,799 INFO L82 PathProgramCache]: Analyzing trace with hash 918719424, now seen corresponding path program 1 times [2021-07-09 22:15:03,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:03,809 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148722945] [2021-07-09 22:15:03,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:04,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:04,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:04,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:04,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:15:04,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:04,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:15:04,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:04,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:04,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:04,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:04,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:04,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:04,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:04,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:04,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:04,355 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:04,355 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148722945] [2021-07-09 22:15:04,356 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148722945] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:04,356 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:04,356 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-09 22:15:04,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433763780] [2021-07-09 22:15:04,359 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-09 22:15:04,359 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:04,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-09 22:15:04,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-09 22:15:04,381 INFO L87 Difference]: Start difference. First operand has 5107 states, 4657 states have (on average 1.505690358599957) internal successors, (7012), 5106 states have internal predecessors, (7012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:04,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:04,899 INFO L93 Difference]: Finished difference Result 6833 states and 9601 transitions. [2021-07-09 22:15:04,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-09 22:15:04,901 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2021-07-09 22:15:04,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:04,937 INFO L225 Difference]: With dead ends: 6833 [2021-07-09 22:15:04,937 INFO L226 Difference]: Without dead ends: 3480 [2021-07-09 22:15:04,940 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 200.0ms TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-07-09 22:15:04,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3480 states. [2021-07-09 22:15:05,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3480 to 2454. [2021-07-09 22:15:05,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2454 states, 2429 states have (on average 1.5257307533964595) internal successors, (3706), 2453 states have internal predecessors, (3706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:05,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2454 states to 2454 states and 3706 transitions. [2021-07-09 22:15:05,115 INFO L78 Accepts]: Start accepts. Automaton has 2454 states and 3706 transitions. Word has length 48 [2021-07-09 22:15:05,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:05,115 INFO L482 AbstractCegarLoop]: Abstraction has 2454 states and 3706 transitions. [2021-07-09 22:15:05,115 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:05,116 INFO L276 IsEmpty]: Start isEmpty. Operand 2454 states and 3706 transitions. [2021-07-09 22:15:05,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-07-09 22:15:05,121 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:05,121 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:05,122 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-09 22:15:05,122 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:15:05,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:05,125 INFO L82 PathProgramCache]: Analyzing trace with hash 1316640901, now seen corresponding path program 1 times [2021-07-09 22:15:05,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:05,125 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968786402] [2021-07-09 22:15:05,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:05,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:05,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:05,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:05,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:05,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:15:05,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:05,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:05,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:05,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:05,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:05,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:05,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:05,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:05,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:05,291 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:05,291 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968786402] [2021-07-09 22:15:05,295 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968786402] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:05,296 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:05,296 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-09 22:15:05,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232919985] [2021-07-09 22:15:05,297 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-09 22:15:05,298 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:05,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-09 22:15:05,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-09 22:15:05,300 INFO L87 Difference]: Start difference. First operand 2454 states and 3706 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:05,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:05,600 INFO L93 Difference]: Finished difference Result 3730 states and 5820 transitions. [2021-07-09 22:15:05,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 22:15:05,601 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-07-09 22:15:05,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:05,614 INFO L225 Difference]: With dead ends: 3730 [2021-07-09 22:15:05,614 INFO L226 Difference]: Without dead ends: 2990 [2021-07-09 22:15:05,615 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 90.8ms TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-07-09 22:15:05,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2990 states. [2021-07-09 22:15:05,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2990 to 2545. [2021-07-09 22:15:05,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2545 states, 2521 states have (on average 1.6660055533518445) internal successors, (4200), 2544 states have internal predecessors, (4200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:05,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2545 states to 2545 states and 4200 transitions. [2021-07-09 22:15:05,692 INFO L78 Accepts]: Start accepts. Automaton has 2545 states and 4200 transitions. Word has length 54 [2021-07-09 22:15:05,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:05,693 INFO L482 AbstractCegarLoop]: Abstraction has 2545 states and 4200 transitions. [2021-07-09 22:15:05,693 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:05,693 INFO L276 IsEmpty]: Start isEmpty. Operand 2545 states and 4200 transitions. [2021-07-09 22:15:05,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-07-09 22:15:05,699 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:05,699 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:05,699 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-09 22:15:05,700 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:15:05,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:05,700 INFO L82 PathProgramCache]: Analyzing trace with hash -745166919, now seen corresponding path program 1 times [2021-07-09 22:15:05,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:05,700 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847319878] [2021-07-09 22:15:05,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:05,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:05,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:05,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:05,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:05,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:05,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:05,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:05,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:05,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:05,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:05,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:05,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:05,857 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:05,857 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847319878] [2021-07-09 22:15:05,857 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847319878] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:05,857 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:05,858 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-09 22:15:05,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331350158] [2021-07-09 22:15:05,858 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-09 22:15:05,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:05,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-09 22:15:05,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-09 22:15:05,859 INFO L87 Difference]: Start difference. First operand 2545 states and 4200 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:05,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:05,897 INFO L93 Difference]: Finished difference Result 453 states and 607 transitions. [2021-07-09 22:15:05,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 22:15:05,898 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2021-07-09 22:15:05,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:05,900 INFO L225 Difference]: With dead ends: 453 [2021-07-09 22:15:05,900 INFO L226 Difference]: Without dead ends: 453 [2021-07-09 22:15:05,900 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 38.1ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-07-09 22:15:05,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2021-07-09 22:15:05,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 453. [2021-07-09 22:15:05,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 451 states have (on average 1.3458980044345898) internal successors, (607), 452 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:05,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 607 transitions. [2021-07-09 22:15:05,909 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 607 transitions. Word has length 66 [2021-07-09 22:15:05,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:05,911 INFO L482 AbstractCegarLoop]: Abstraction has 453 states and 607 transitions. [2021-07-09 22:15:05,911 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:05,911 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 607 transitions. [2021-07-09 22:15:05,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-07-09 22:15:05,913 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:05,913 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:05,914 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-09 22:15:05,914 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:15:05,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:05,914 INFO L82 PathProgramCache]: Analyzing trace with hash -1052669211, now seen corresponding path program 1 times [2021-07-09 22:15:05,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:05,915 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150871628] [2021-07-09 22:15:05,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:05,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:06,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:06,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:06,251 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-07-09 22:15:06,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:15:06,258 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-07-09 22:15:06,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:15:06,269 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-07-09 22:15:06,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:15:06,282 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-07-09 22:15:06,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:15:06,300 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-07-09 22:15:06,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-09 22:15:06,317 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-07-09 22:15:06,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-09 22:15:06,335 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-09 22:15:06,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:06,351 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-09 22:15:06,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:06,368 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-09 22:15:06,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:06,387 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-09 22:15:06,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:06,409 INFO L142 QuantifierPusher]: treesize reduction 19, result has 61.2 percent of original size [2021-07-09 22:15:06,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:15:06,451 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-07-09 22:15:06,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 22:15:06,504 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.9 percent of original size [2021-07-09 22:15:06,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-09 22:15:06,525 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-09 22:15:06,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:06,546 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-09 22:15:06,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:06,547 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-07-09 22:15:06,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:15:06,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:06,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:06,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:06,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:06,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:06,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:06,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:06,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:06,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:06,620 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:06,620 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150871628] [2021-07-09 22:15:06,620 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150871628] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:06,621 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:06,621 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-07-09 22:15:06,621 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068556387] [2021-07-09 22:15:06,621 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-09 22:15:06,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:06,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-09 22:15:06,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-07-09 22:15:06,622 INFO L87 Difference]: Start difference. First operand 453 states and 607 transitions. Second operand has 19 states, 19 states have (on average 4.947368421052632) internal successors, (94), 19 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:07,290 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2021-07-09 22:15:07,455 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-07-09 22:15:07,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:07,968 INFO L93 Difference]: Finished difference Result 531 states and 713 transitions. [2021-07-09 22:15:07,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-09 22:15:07,968 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 4.947368421052632) internal successors, (94), 19 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2021-07-09 22:15:07,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:07,970 INFO L225 Difference]: With dead ends: 531 [2021-07-09 22:15:07,970 INFO L226 Difference]: Without dead ends: 531 [2021-07-09 22:15:07,971 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 1268.2ms TimeCoverageRelationStatistics Valid=280, Invalid=910, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:15:07,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2021-07-09 22:15:07,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 523. [2021-07-09 22:15:07,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 521 states have (on average 1.3550863723608446) internal successors, (706), 522 states have internal predecessors, (706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:07,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 706 transitions. [2021-07-09 22:15:07,981 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 706 transitions. Word has length 94 [2021-07-09 22:15:07,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:07,981 INFO L482 AbstractCegarLoop]: Abstraction has 523 states and 706 transitions. [2021-07-09 22:15:07,982 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 4.947368421052632) internal successors, (94), 19 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:07,982 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 706 transitions. [2021-07-09 22:15:07,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-07-09 22:15:07,983 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:07,983 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:07,983 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-09 22:15:07,983 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:15:07,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:07,984 INFO L82 PathProgramCache]: Analyzing trace with hash 1657614555, now seen corresponding path program 2 times [2021-07-09 22:15:07,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:07,984 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727043675] [2021-07-09 22:15:07,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:08,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:08,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:08,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:08,233 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-07-09 22:15:08,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:15:08,240 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-07-09 22:15:08,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:15:08,250 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-07-09 22:15:08,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:15:08,263 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-07-09 22:15:08,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:15:08,287 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-07-09 22:15:08,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-09 22:15:08,305 INFO L142 QuantifierPusher]: treesize reduction 15, result has 61.5 percent of original size [2021-07-09 22:15:08,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:15:08,327 INFO L142 QuantifierPusher]: treesize reduction 15, result has 61.5 percent of original size [2021-07-09 22:15:08,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:15:08,351 INFO L142 QuantifierPusher]: treesize reduction 15, result has 61.5 percent of original size [2021-07-09 22:15:08,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:15:08,378 INFO L142 QuantifierPusher]: treesize reduction 15, result has 61.5 percent of original size [2021-07-09 22:15:08,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:15:08,407 INFO L142 QuantifierPusher]: treesize reduction 15, result has 61.5 percent of original size [2021-07-09 22:15:08,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:15:08,441 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.7 percent of original size [2021-07-09 22:15:08,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:15:08,499 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.1 percent of original size [2021-07-09 22:15:08,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:15:08,548 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.1 percent of original size [2021-07-09 22:15:08,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:15:08,596 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.1 percent of original size [2021-07-09 22:15:08,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:15:08,652 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.1 percent of original size [2021-07-09 22:15:08,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:15:08,709 INFO L142 QuantifierPusher]: treesize reduction 73, result has 38.7 percent of original size [2021-07-09 22:15:08,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-09 22:15:08,779 INFO L142 QuantifierPusher]: treesize reduction 76, result has 47.2 percent of original size [2021-07-09 22:15:08,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-07-09 22:15:08,852 INFO L142 QuantifierPusher]: treesize reduction 9, result has 71.9 percent of original size [2021-07-09 22:15:08,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:08,879 INFO L142 QuantifierPusher]: treesize reduction 9, result has 76.9 percent of original size [2021-07-09 22:15:08,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:15:08,898 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-09 22:15:08,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:08,922 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-09 22:15:08,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:08,923 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-07-09 22:15:08,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:15:08,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:08,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:08,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:08,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:08,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:08,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:09,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:09,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:09,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:09,033 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:09,034 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727043675] [2021-07-09 22:15:09,034 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727043675] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:09,034 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:09,034 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-07-09 22:15:09,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384245047] [2021-07-09 22:15:09,034 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-09 22:15:09,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:09,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-09 22:15:09,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2021-07-09 22:15:09,035 INFO L87 Difference]: Start difference. First operand 523 states and 706 transitions. Second operand has 25 states, 25 states have (on average 3.76) internal successors, (94), 25 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:09,761 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-07-09 22:15:09,925 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 52 [2021-07-09 22:15:10,124 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 57 [2021-07-09 22:15:10,405 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2021-07-09 22:15:10,584 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2021-07-09 22:15:10,840 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2021-07-09 22:15:11,098 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2021-07-09 22:15:11,359 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2021-07-09 22:15:11,721 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 59 [2021-07-09 22:15:11,907 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 62 [2021-07-09 22:15:12,071 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2021-07-09 22:15:12,224 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 63 [2021-07-09 22:15:12,383 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2021-07-09 22:15:12,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:12,388 INFO L93 Difference]: Finished difference Result 1024 states and 1493 transitions. [2021-07-09 22:15:12,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 22:15:12,388 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 3.76) internal successors, (94), 25 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2021-07-09 22:15:12,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:12,392 INFO L225 Difference]: With dead ends: 1024 [2021-07-09 22:15:12,392 INFO L226 Difference]: Without dead ends: 1024 [2021-07-09 22:15:12,393 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 3342.0ms TimeCoverageRelationStatistics Valid=468, Invalid=1424, Unknown=0, NotChecked=0, Total=1892 [2021-07-09 22:15:12,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1024 states. [2021-07-09 22:15:12,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1024 to 601. [2021-07-09 22:15:12,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 599 states have (on average 1.4357262103505843) internal successors, (860), 600 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:12,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 860 transitions. [2021-07-09 22:15:12,405 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 860 transitions. Word has length 94 [2021-07-09 22:15:12,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:12,405 INFO L482 AbstractCegarLoop]: Abstraction has 601 states and 860 transitions. [2021-07-09 22:15:12,406 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 3.76) internal successors, (94), 25 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:12,406 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 860 transitions. [2021-07-09 22:15:12,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-07-09 22:15:12,407 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:12,407 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:12,407 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-09 22:15:12,408 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:15:12,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:12,408 INFO L82 PathProgramCache]: Analyzing trace with hash -529124927, now seen corresponding path program 1 times [2021-07-09 22:15:12,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:12,408 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447940799] [2021-07-09 22:15:12,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:12,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:12,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:12,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:12,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:12,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:15:12,578 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-07-09 22:15:12,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-09 22:15:12,585 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-07-09 22:15:12,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:15:12,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:12,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:15:12,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:12,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:12,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:12,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:15:12,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:12,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:12,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:12,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:15:12,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:12,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:15:12,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:12,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:15:12,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:12,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:12,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:12,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:15:12,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:12,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:12,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:12,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:12,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:12,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:12,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:12,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:12,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:12,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:15:12,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:12,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:12,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:12,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-09 22:15:12,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:12,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:15:13,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:13,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:15:13,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:13,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:15:13,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:13,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:15:13,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:13,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-09 22:15:13,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:13,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:15:13,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:13,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:15:13,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:13,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:15:13,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:13,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:15:13,233 INFO L142 QuantifierPusher]: treesize reduction 7, result has 96.9 percent of original size [2021-07-09 22:15:13,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 216 [2021-07-09 22:15:13,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:13,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:13,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:13,318 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:13,318 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447940799] [2021-07-09 22:15:13,318 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447940799] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:13,318 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:13,318 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-07-09 22:15:13,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716392431] [2021-07-09 22:15:13,318 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-09 22:15:13,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:13,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-09 22:15:13,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=557, Unknown=0, NotChecked=0, Total=650 [2021-07-09 22:15:13,319 INFO L87 Difference]: Start difference. First operand 601 states and 860 transitions. Second operand has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:15,996 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2021-07-09 22:15:16,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:16,296 INFO L93 Difference]: Finished difference Result 994 states and 1475 transitions. [2021-07-09 22:15:16,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-09 22:15:16,297 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2021-07-09 22:15:16,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:16,300 INFO L225 Difference]: With dead ends: 994 [2021-07-09 22:15:16,300 INFO L226 Difference]: Without dead ends: 929 [2021-07-09 22:15:16,301 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 661 ImplicationChecksByTransitivity, 2650.8ms TimeCoverageRelationStatistics Valid=983, Invalid=3177, Unknown=0, NotChecked=0, Total=4160 [2021-07-09 22:15:16,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 929 states. [2021-07-09 22:15:16,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 929 to 760. [2021-07-09 22:15:16,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 760 states, 758 states have (on average 1.5197889182058046) internal successors, (1152), 759 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:16,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 1152 transitions. [2021-07-09 22:15:16,319 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 1152 transitions. Word has length 94 [2021-07-09 22:15:16,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:16,319 INFO L482 AbstractCegarLoop]: Abstraction has 760 states and 1152 transitions. [2021-07-09 22:15:16,319 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:16,319 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1152 transitions. [2021-07-09 22:15:16,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-07-09 22:15:16,321 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:16,321 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:16,322 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-07-09 22:15:16,322 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:15:16,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:16,322 INFO L82 PathProgramCache]: Analyzing trace with hash 695102051, now seen corresponding path program 3 times [2021-07-09 22:15:16,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:16,323 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162271437] [2021-07-09 22:15:16,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:16,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:16,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:16,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:16,449 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-07-09 22:15:16,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:15:16,454 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-07-09 22:15:16,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:15:16,463 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-07-09 22:15:16,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:15:16,474 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-07-09 22:15:16,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:15:16,490 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-07-09 22:15:16,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-09 22:15:16,506 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-07-09 22:15:16,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-09 22:15:16,520 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-09 22:15:16,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:16,532 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-09 22:15:16,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:16,545 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-09 22:15:16,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:16,558 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-09 22:15:16,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:16,573 INFO L142 QuantifierPusher]: treesize reduction 19, result has 61.2 percent of original size [2021-07-09 22:15:16,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:15:16,636 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-07-09 22:15:16,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 22:15:16,676 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.9 percent of original size [2021-07-09 22:15:16,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-09 22:15:16,704 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-09 22:15:16,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:16,719 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-09 22:15:16,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:16,725 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-07-09 22:15:16,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:15:16,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:16,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:16,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:16,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:16,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:16,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:16,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:16,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:16,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:16,784 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:16,784 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162271437] [2021-07-09 22:15:16,784 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162271437] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:16,784 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:16,784 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-07-09 22:15:16,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733072082] [2021-07-09 22:15:16,785 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-09 22:15:16,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:16,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-09 22:15:16,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-07-09 22:15:16,786 INFO L87 Difference]: Start difference. First operand 760 states and 1152 transitions. Second operand has 19 states, 19 states have (on average 4.947368421052632) internal successors, (94), 19 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:17,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:17,859 INFO L93 Difference]: Finished difference Result 919 states and 1369 transitions. [2021-07-09 22:15:17,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-09 22:15:17,859 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 4.947368421052632) internal successors, (94), 19 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2021-07-09 22:15:17,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:17,862 INFO L225 Difference]: With dead ends: 919 [2021-07-09 22:15:17,862 INFO L226 Difference]: Without dead ends: 919 [2021-07-09 22:15:17,863 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 1002.4ms TimeCoverageRelationStatistics Valid=280, Invalid=910, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:15:17,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 919 states. [2021-07-09 22:15:17,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 919 to 772. [2021-07-09 22:15:17,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 772 states, 770 states have (on average 1.5272727272727273) internal successors, (1176), 771 states have internal predecessors, (1176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:17,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 1176 transitions. [2021-07-09 22:15:17,877 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 1176 transitions. Word has length 94 [2021-07-09 22:15:17,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:17,877 INFO L482 AbstractCegarLoop]: Abstraction has 772 states and 1176 transitions. [2021-07-09 22:15:17,877 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 4.947368421052632) internal successors, (94), 19 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:17,877 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1176 transitions. [2021-07-09 22:15:17,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-07-09 22:15:17,879 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:17,879 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:17,879 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-07-09 22:15:17,879 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:15:17,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:17,880 INFO L82 PathProgramCache]: Analyzing trace with hash -2102480803, now seen corresponding path program 4 times [2021-07-09 22:15:17,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:17,880 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364921583] [2021-07-09 22:15:17,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:17,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:18,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:18,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:18,008 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-07-09 22:15:18,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:15:18,017 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-07-09 22:15:18,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:15:18,026 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-07-09 22:15:18,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:15:18,038 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-07-09 22:15:18,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:15:18,060 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-07-09 22:15:18,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-09 22:15:18,076 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-07-09 22:15:18,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:15:18,097 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-07-09 22:15:18,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:15:18,124 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.1 percent of original size [2021-07-09 22:15:18,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:18,146 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.1 percent of original size [2021-07-09 22:15:18,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:18,174 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.1 percent of original size [2021-07-09 22:15:18,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:18,199 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.1 percent of original size [2021-07-09 22:15:18,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:18,224 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-07-09 22:15:18,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:15:18,251 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-07-09 22:15:18,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:15:18,280 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-07-09 22:15:18,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:15:18,310 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-07-09 22:15:18,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:15:18,345 INFO L142 QuantifierPusher]: treesize reduction 49, result has 43.7 percent of original size [2021-07-09 22:15:18,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:15:18,403 INFO L142 QuantifierPusher]: treesize reduction 53, result has 49.5 percent of original size [2021-07-09 22:15:18,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-09 22:15:18,466 INFO L142 QuantifierPusher]: treesize reduction 53, result has 52.7 percent of original size [2021-07-09 22:15:18,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-09 22:15:18,525 INFO L142 QuantifierPusher]: treesize reduction 5, result has 84.4 percent of original size [2021-07-09 22:15:18,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:15:18,556 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-09 22:15:18,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:18,579 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-09 22:15:18,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:18,589 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-07-09 22:15:18,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:15:18,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:18,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:18,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:18,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:18,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:18,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:18,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:18,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:18,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:18,673 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:18,673 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364921583] [2021-07-09 22:15:18,673 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364921583] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:18,673 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:18,673 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-07-09 22:15:18,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245885709] [2021-07-09 22:15:18,674 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-09 22:15:18,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:18,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-09 22:15:18,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2021-07-09 22:15:18,675 INFO L87 Difference]: Start difference. First operand 772 states and 1176 transitions. Second operand has 25 states, 25 states have (on average 3.76) internal successors, (94), 25 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:19,564 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2021-07-09 22:15:19,709 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 52 [2021-07-09 22:15:19,874 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2021-07-09 22:15:20,100 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 62 [2021-07-09 22:15:20,369 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2021-07-09 22:15:20,659 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 73 [2021-07-09 22:15:20,890 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 78 [2021-07-09 22:15:21,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:21,603 INFO L93 Difference]: Finished difference Result 923 states and 1399 transitions. [2021-07-09 22:15:21,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 22:15:21,603 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 3.76) internal successors, (94), 25 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2021-07-09 22:15:21,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:21,606 INFO L225 Difference]: With dead ends: 923 [2021-07-09 22:15:21,606 INFO L226 Difference]: Without dead ends: 923 [2021-07-09 22:15:21,606 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 2852.4ms TimeCoverageRelationStatistics Valid=449, Invalid=1621, Unknown=0, NotChecked=0, Total=2070 [2021-07-09 22:15:21,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2021-07-09 22:15:21,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 784. [2021-07-09 22:15:21,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 784 states, 782 states have (on average 1.5396419437340154) internal successors, (1204), 783 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:21,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1204 transitions. [2021-07-09 22:15:21,620 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1204 transitions. Word has length 94 [2021-07-09 22:15:21,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:21,620 INFO L482 AbstractCegarLoop]: Abstraction has 784 states and 1204 transitions. [2021-07-09 22:15:21,620 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 3.76) internal successors, (94), 25 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:21,620 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1204 transitions. [2021-07-09 22:15:21,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-07-09 22:15:21,622 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:21,622 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:21,622 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-07-09 22:15:21,622 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:15:21,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:21,623 INFO L82 PathProgramCache]: Analyzing trace with hash 87528003, now seen corresponding path program 5 times [2021-07-09 22:15:21,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:21,623 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393370909] [2021-07-09 22:15:21,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:21,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:21,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:21,759 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-07-09 22:15:21,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:15:21,765 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-07-09 22:15:21,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:15:21,774 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-07-09 22:15:21,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:15:21,785 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-07-09 22:15:21,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:15:21,800 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-07-09 22:15:21,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-09 22:15:21,815 INFO L142 QuantifierPusher]: treesize reduction 15, result has 61.5 percent of original size [2021-07-09 22:15:21,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:15:21,841 INFO L142 QuantifierPusher]: treesize reduction 15, result has 61.5 percent of original size [2021-07-09 22:15:21,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:15:21,861 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-07-09 22:15:21,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:21,878 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-07-09 22:15:21,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:21,897 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-07-09 22:15:21,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:21,916 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-07-09 22:15:21,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:21,936 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-07-09 22:15:21,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:21,956 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-07-09 22:15:21,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:21,978 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-07-09 22:15:21,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:22,003 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.1 percent of original size [2021-07-09 22:15:22,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:15:22,045 INFO L142 QuantifierPusher]: treesize reduction 73, result has 38.7 percent of original size [2021-07-09 22:15:22,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-09 22:15:22,099 INFO L142 QuantifierPusher]: treesize reduction 76, result has 47.2 percent of original size [2021-07-09 22:15:22,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-07-09 22:15:22,167 INFO L142 QuantifierPusher]: treesize reduction 9, result has 71.9 percent of original size [2021-07-09 22:15:22,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:22,200 INFO L142 QuantifierPusher]: treesize reduction 9, result has 76.9 percent of original size [2021-07-09 22:15:22,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:15:22,219 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-09 22:15:22,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:22,243 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-09 22:15:22,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:22,244 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-07-09 22:15:22,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:15:22,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:22,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:22,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:22,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:22,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:22,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:22,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:22,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:22,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:22,318 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:22,318 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393370909] [2021-07-09 22:15:22,318 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393370909] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:22,318 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:22,318 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-07-09 22:15:22,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404594150] [2021-07-09 22:15:22,319 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-09 22:15:22,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:22,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-09 22:15:22,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=538, Unknown=0, NotChecked=0, Total=600 [2021-07-09 22:15:22,319 INFO L87 Difference]: Start difference. First operand 784 states and 1204 transitions. Second operand has 25 states, 25 states have (on average 3.76) internal successors, (94), 25 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:23,165 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2021-07-09 22:15:23,320 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 57 [2021-07-09 22:15:23,507 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2021-07-09 22:15:23,694 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2021-07-09 22:15:23,894 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2021-07-09 22:15:24,143 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2021-07-09 22:15:24,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:24,866 INFO L93 Difference]: Finished difference Result 1043 states and 1585 transitions. [2021-07-09 22:15:24,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 22:15:24,866 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 3.76) internal successors, (94), 25 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2021-07-09 22:15:24,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:24,869 INFO L225 Difference]: With dead ends: 1043 [2021-07-09 22:15:24,869 INFO L226 Difference]: Without dead ends: 1043 [2021-07-09 22:15:24,870 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 2467.1ms TimeCoverageRelationStatistics Valid=454, Invalid=1616, Unknown=0, NotChecked=0, Total=2070 [2021-07-09 22:15:24,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2021-07-09 22:15:24,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 788. [2021-07-09 22:15:24,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 788 states, 786 states have (on average 1.5407124681933841) internal successors, (1211), 787 states have internal predecessors, (1211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:24,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 788 states and 1211 transitions. [2021-07-09 22:15:24,887 INFO L78 Accepts]: Start accepts. Automaton has 788 states and 1211 transitions. Word has length 94 [2021-07-09 22:15:24,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:24,887 INFO L482 AbstractCegarLoop]: Abstraction has 788 states and 1211 transitions. [2021-07-09 22:15:24,887 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 3.76) internal successors, (94), 25 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:24,887 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1211 transitions. [2021-07-09 22:15:24,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-07-09 22:15:24,889 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:24,889 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:24,889 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-07-09 22:15:24,890 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:15:24,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:24,890 INFO L82 PathProgramCache]: Analyzing trace with hash 479496471, now seen corresponding path program 6 times [2021-07-09 22:15:24,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:24,890 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996888303] [2021-07-09 22:15:24,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:24,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:25,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:25,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:25,069 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-07-09 22:15:25,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:15:25,074 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-07-09 22:15:25,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:15:25,083 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-07-09 22:15:25,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:15:25,098 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-07-09 22:15:25,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:15:25,117 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-07-09 22:15:25,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-09 22:15:25,132 INFO L142 QuantifierPusher]: treesize reduction 15, result has 61.5 percent of original size [2021-07-09 22:15:25,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:15:25,151 INFO L142 QuantifierPusher]: treesize reduction 15, result has 61.5 percent of original size [2021-07-09 22:15:25,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:15:25,171 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-07-09 22:15:25,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:25,190 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-07-09 22:15:25,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:25,210 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-07-09 22:15:25,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:25,227 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-07-09 22:15:25,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:25,245 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-07-09 22:15:25,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:25,269 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-07-09 22:15:25,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:25,293 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.1 percent of original size [2021-07-09 22:15:25,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:15:25,344 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.1 percent of original size [2021-07-09 22:15:25,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:15:25,397 INFO L142 QuantifierPusher]: treesize reduction 73, result has 38.7 percent of original size [2021-07-09 22:15:25,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-09 22:15:25,463 INFO L142 QuantifierPusher]: treesize reduction 76, result has 47.2 percent of original size [2021-07-09 22:15:25,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-07-09 22:15:25,545 INFO L142 QuantifierPusher]: treesize reduction 9, result has 71.9 percent of original size [2021-07-09 22:15:25,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:25,577 INFO L142 QuantifierPusher]: treesize reduction 9, result has 76.9 percent of original size [2021-07-09 22:15:25,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:15:25,601 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-09 22:15:25,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:25,628 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-09 22:15:25,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:25,629 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-07-09 22:15:25,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:15:25,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:25,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:25,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:25,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:25,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:25,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:25,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:25,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:25,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:25,724 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:25,724 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996888303] [2021-07-09 22:15:25,724 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996888303] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:25,724 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:25,724 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-07-09 22:15:25,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79564306] [2021-07-09 22:15:25,724 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-09 22:15:25,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:25,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-09 22:15:25,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=538, Unknown=0, NotChecked=0, Total=600 [2021-07-09 22:15:25,725 INFO L87 Difference]: Start difference. First operand 788 states and 1211 transitions. Second operand has 25 states, 25 states have (on average 3.76) internal successors, (94), 25 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:26,753 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 57 [2021-07-09 22:15:26,924 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 63 [2021-07-09 22:15:27,108 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2021-07-09 22:15:27,314 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2021-07-09 22:15:27,556 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2021-07-09 22:15:28,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:28,260 INFO L93 Difference]: Finished difference Result 1058 states and 1609 transitions. [2021-07-09 22:15:28,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 22:15:28,260 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 3.76) internal successors, (94), 25 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2021-07-09 22:15:28,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:28,264 INFO L225 Difference]: With dead ends: 1058 [2021-07-09 22:15:28,264 INFO L226 Difference]: Without dead ends: 1058 [2021-07-09 22:15:28,265 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 2542.4ms TimeCoverageRelationStatistics Valid=456, Invalid=1614, Unknown=0, NotChecked=0, Total=2070 [2021-07-09 22:15:28,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1058 states. [2021-07-09 22:15:28,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1058 to 796. [2021-07-09 22:15:28,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 796 states, 794 states have (on average 1.5428211586901763) internal successors, (1225), 795 states have internal predecessors, (1225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:28,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 1225 transitions. [2021-07-09 22:15:28,279 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 1225 transitions. Word has length 94 [2021-07-09 22:15:28,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:28,279 INFO L482 AbstractCegarLoop]: Abstraction has 796 states and 1225 transitions. [2021-07-09 22:15:28,279 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 3.76) internal successors, (94), 25 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:28,280 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1225 transitions. [2021-07-09 22:15:28,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-07-09 22:15:28,281 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:28,281 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:28,281 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-07-09 22:15:28,282 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:15:28,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:28,282 INFO L82 PathProgramCache]: Analyzing trace with hash 364290617, now seen corresponding path program 7 times [2021-07-09 22:15:28,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:28,282 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090461693] [2021-07-09 22:15:28,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:28,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:28,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:28,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:28,423 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-07-09 22:15:28,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:15:28,429 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-07-09 22:15:28,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:15:28,438 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-07-09 22:15:28,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:15:28,447 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-07-09 22:15:28,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:15:28,463 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-07-09 22:15:28,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-09 22:15:28,477 INFO L142 QuantifierPusher]: treesize reduction 15, result has 61.5 percent of original size [2021-07-09 22:15:28,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:15:28,495 INFO L142 QuantifierPusher]: treesize reduction 15, result has 61.5 percent of original size [2021-07-09 22:15:28,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:15:28,515 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-07-09 22:15:28,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:28,533 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-07-09 22:15:28,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:28,553 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-07-09 22:15:28,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:28,575 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-07-09 22:15:28,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:28,598 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-07-09 22:15:28,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:28,624 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.1 percent of original size [2021-07-09 22:15:28,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:15:28,672 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.1 percent of original size [2021-07-09 22:15:28,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:15:28,723 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.1 percent of original size [2021-07-09 22:15:28,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:15:28,776 INFO L142 QuantifierPusher]: treesize reduction 73, result has 38.7 percent of original size [2021-07-09 22:15:28,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-09 22:15:28,840 INFO L142 QuantifierPusher]: treesize reduction 76, result has 47.2 percent of original size [2021-07-09 22:15:28,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-07-09 22:15:28,924 INFO L142 QuantifierPusher]: treesize reduction 9, result has 71.9 percent of original size [2021-07-09 22:15:28,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:28,955 INFO L142 QuantifierPusher]: treesize reduction 9, result has 76.9 percent of original size [2021-07-09 22:15:28,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:15:28,989 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-09 22:15:28,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:29,016 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-09 22:15:29,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:29,017 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-07-09 22:15:29,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:15:29,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:29,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:29,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:29,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:29,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:29,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:29,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:29,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:29,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:29,112 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:29,112 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090461693] [2021-07-09 22:15:29,112 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090461693] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:29,112 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:29,112 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-07-09 22:15:29,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503891190] [2021-07-09 22:15:29,113 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-09 22:15:29,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:29,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-09 22:15:29,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=538, Unknown=0, NotChecked=0, Total=600 [2021-07-09 22:15:29,114 INFO L87 Difference]: Start difference. First operand 796 states and 1225 transitions. Second operand has 25 states, 25 states have (on average 3.76) internal successors, (94), 25 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:29,998 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 53 [2021-07-09 22:15:30,157 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 59 [2021-07-09 22:15:30,362 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 64 [2021-07-09 22:15:30,550 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2021-07-09 22:15:30,783 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2021-07-09 22:15:31,023 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2021-07-09 22:15:31,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:31,756 INFO L93 Difference]: Finished difference Result 1073 states and 1633 transitions. [2021-07-09 22:15:31,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 22:15:31,756 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 3.76) internal successors, (94), 25 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2021-07-09 22:15:31,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:31,762 INFO L225 Difference]: With dead ends: 1073 [2021-07-09 22:15:31,762 INFO L226 Difference]: Without dead ends: 1073 [2021-07-09 22:15:31,763 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 2670.8ms TimeCoverageRelationStatistics Valid=458, Invalid=1612, Unknown=0, NotChecked=0, Total=2070 [2021-07-09 22:15:31,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1073 states. [2021-07-09 22:15:31,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1073 to 800. [2021-07-09 22:15:31,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 800 states, 798 states have (on average 1.543859649122807) internal successors, (1232), 799 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:31,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 1232 transitions. [2021-07-09 22:15:31,778 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 1232 transitions. Word has length 94 [2021-07-09 22:15:31,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:31,778 INFO L482 AbstractCegarLoop]: Abstraction has 800 states and 1232 transitions. [2021-07-09 22:15:31,779 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 3.76) internal successors, (94), 25 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:31,779 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1232 transitions. [2021-07-09 22:15:31,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-07-09 22:15:31,780 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:31,781 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:31,781 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-07-09 22:15:31,781 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:15:31,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:31,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1978183575, now seen corresponding path program 8 times [2021-07-09 22:15:31,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:31,781 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129239290] [2021-07-09 22:15:31,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:31,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:31,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:31,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:31,951 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-07-09 22:15:31,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:15:31,959 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-07-09 22:15:31,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:15:31,969 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-07-09 22:15:31,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:15:31,979 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-07-09 22:15:31,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:15:31,995 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-07-09 22:15:31,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-09 22:15:32,010 INFO L142 QuantifierPusher]: treesize reduction 15, result has 61.5 percent of original size [2021-07-09 22:15:32,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:15:32,039 INFO L142 QuantifierPusher]: treesize reduction 15, result has 61.5 percent of original size [2021-07-09 22:15:32,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:15:32,060 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-07-09 22:15:32,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:32,078 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-07-09 22:15:32,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:32,103 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-07-09 22:15:32,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:32,126 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-07-09 22:15:32,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:32,153 INFO L142 QuantifierPusher]: treesize reduction 41, result has 52.9 percent of original size [2021-07-09 22:15:32,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-09 22:15:32,205 INFO L142 QuantifierPusher]: treesize reduction 41, result has 52.9 percent of original size [2021-07-09 22:15:32,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-09 22:15:32,258 INFO L142 QuantifierPusher]: treesize reduction 41, result has 52.9 percent of original size [2021-07-09 22:15:32,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-09 22:15:32,312 INFO L142 QuantifierPusher]: treesize reduction 41, result has 52.9 percent of original size [2021-07-09 22:15:32,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-09 22:15:32,368 INFO L142 QuantifierPusher]: treesize reduction 81, result has 35.7 percent of original size [2021-07-09 22:15:32,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:15:32,432 INFO L142 QuantifierPusher]: treesize reduction 81, result has 46.4 percent of original size [2021-07-09 22:15:32,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-07-09 22:15:32,510 INFO L142 QuantifierPusher]: treesize reduction 9, result has 71.9 percent of original size [2021-07-09 22:15:32,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:32,537 INFO L142 QuantifierPusher]: treesize reduction 9, result has 71.9 percent of original size [2021-07-09 22:15:32,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:32,538 INFO L142 QuantifierPusher]: treesize reduction 9, result has 76.9 percent of original size [2021-07-09 22:15:32,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:15:32,558 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-09 22:15:32,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:32,579 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-07-09 22:15:32,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:15:32,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:32,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:32,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:32,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:32,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:32,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:32,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:32,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:32,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:32,669 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:32,669 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129239290] [2021-07-09 22:15:32,669 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129239290] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:32,669 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:32,669 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-07-09 22:15:32,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003100197] [2021-07-09 22:15:32,669 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-09 22:15:32,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:32,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-09 22:15:32,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=538, Unknown=0, NotChecked=0, Total=600 [2021-07-09 22:15:32,670 INFO L87 Difference]: Start difference. First operand 800 states and 1232 transitions. Second operand has 25 states, 25 states have (on average 3.76) internal successors, (94), 25 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:33,579 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 55 [2021-07-09 22:15:33,752 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2021-07-09 22:15:33,924 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2021-07-09 22:15:34,132 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2021-07-09 22:15:34,364 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2021-07-09 22:15:34,609 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2021-07-09 22:15:35,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:35,323 INFO L93 Difference]: Finished difference Result 1027 states and 1542 transitions. [2021-07-09 22:15:35,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 22:15:35,324 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 3.76) internal successors, (94), 25 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2021-07-09 22:15:35,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:35,327 INFO L225 Difference]: With dead ends: 1027 [2021-07-09 22:15:35,327 INFO L226 Difference]: Without dead ends: 1027 [2021-07-09 22:15:35,327 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 2727.9ms TimeCoverageRelationStatistics Valid=460, Invalid=1610, Unknown=0, NotChecked=0, Total=2070 [2021-07-09 22:15:35,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2021-07-09 22:15:35,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 748. [2021-07-09 22:15:35,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 748 states, 746 states have (on average 1.517426273458445) internal successors, (1132), 747 states have internal predecessors, (1132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:35,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 1132 transitions. [2021-07-09 22:15:35,341 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 1132 transitions. Word has length 94 [2021-07-09 22:15:35,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:35,341 INFO L482 AbstractCegarLoop]: Abstraction has 748 states and 1132 transitions. [2021-07-09 22:15:35,341 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 3.76) internal successors, (94), 25 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:35,341 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 1132 transitions. [2021-07-09 22:15:35,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-07-09 22:15:35,343 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:35,343 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:35,343 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-07-09 22:15:35,343 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:15:35,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:35,343 INFO L82 PathProgramCache]: Analyzing trace with hash -31684649, now seen corresponding path program 9 times [2021-07-09 22:15:35,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:35,344 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581371550] [2021-07-09 22:15:35,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:35,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:35,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:35,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:35,474 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-07-09 22:15:35,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:15:35,485 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-07-09 22:15:35,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:15:35,494 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-07-09 22:15:35,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:15:35,505 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-07-09 22:15:35,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:15:35,520 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-07-09 22:15:35,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-09 22:15:35,535 INFO L142 QuantifierPusher]: treesize reduction 15, result has 61.5 percent of original size [2021-07-09 22:15:35,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:15:35,555 INFO L142 QuantifierPusher]: treesize reduction 15, result has 61.5 percent of original size [2021-07-09 22:15:35,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:15:35,575 INFO L142 QuantifierPusher]: treesize reduction 15, result has 61.5 percent of original size [2021-07-09 22:15:35,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:15:35,598 INFO L142 QuantifierPusher]: treesize reduction 15, result has 61.5 percent of original size [2021-07-09 22:15:35,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:15:35,623 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.7 percent of original size [2021-07-09 22:15:35,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:15:35,674 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.7 percent of original size [2021-07-09 22:15:35,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:15:35,722 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.1 percent of original size [2021-07-09 22:15:35,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:15:35,767 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.1 percent of original size [2021-07-09 22:15:35,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:15:35,814 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.1 percent of original size [2021-07-09 22:15:35,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:15:35,864 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.1 percent of original size [2021-07-09 22:15:35,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:15:35,914 INFO L142 QuantifierPusher]: treesize reduction 73, result has 38.7 percent of original size [2021-07-09 22:15:35,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-09 22:15:35,968 INFO L142 QuantifierPusher]: treesize reduction 76, result has 47.2 percent of original size [2021-07-09 22:15:35,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-07-09 22:15:36,033 INFO L142 QuantifierPusher]: treesize reduction 9, result has 71.9 percent of original size [2021-07-09 22:15:36,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:36,056 INFO L142 QuantifierPusher]: treesize reduction 9, result has 76.9 percent of original size [2021-07-09 22:15:36,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:15:36,073 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-09 22:15:36,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:36,104 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-09 22:15:36,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:36,105 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-07-09 22:15:36,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:15:36,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:36,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:36,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:36,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:36,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:36,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:36,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:36,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:36,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:36,193 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:36,193 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581371550] [2021-07-09 22:15:36,193 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581371550] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:36,193 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:36,194 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-07-09 22:15:36,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977537498] [2021-07-09 22:15:36,194 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-09 22:15:36,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:36,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-09 22:15:36,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2021-07-09 22:15:36,195 INFO L87 Difference]: Start difference. First operand 748 states and 1132 transitions. Second operand has 25 states, 25 states have (on average 3.76) internal successors, (94), 25 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:36,887 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2021-07-09 22:15:37,161 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2021-07-09 22:15:37,302 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 53 [2021-07-09 22:15:37,512 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 56 [2021-07-09 22:15:37,659 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2021-07-09 22:15:37,794 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 56 [2021-07-09 22:15:37,974 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2021-07-09 22:15:38,129 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2021-07-09 22:15:38,338 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2021-07-09 22:15:38,522 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 64 [2021-07-09 22:15:38,753 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2021-07-09 22:15:38,965 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2021-07-09 22:15:39,215 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2021-07-09 22:15:39,453 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 73 [2021-07-09 22:15:39,762 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2021-07-09 22:15:39,916 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2021-07-09 22:15:40,076 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2021-07-09 22:15:40,230 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2021-07-09 22:15:40,385 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2021-07-09 22:15:40,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:40,399 INFO L93 Difference]: Finished difference Result 944 states and 1401 transitions. [2021-07-09 22:15:40,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 22:15:40,399 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 3.76) internal successors, (94), 25 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2021-07-09 22:15:40,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:40,402 INFO L225 Difference]: With dead ends: 944 [2021-07-09 22:15:40,402 INFO L226 Difference]: Without dead ends: 944 [2021-07-09 22:15:40,403 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 315 ImplicationChecksByTransitivity, 4198.9ms TimeCoverageRelationStatistics Valid=675, Invalid=1875, Unknown=0, NotChecked=0, Total=2550 [2021-07-09 22:15:40,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2021-07-09 22:15:40,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 598. [2021-07-09 22:15:40,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 597 states have (on average 1.4690117252931323) internal successors, (877), 597 states have internal predecessors, (877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:40,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 877 transitions. [2021-07-09 22:15:40,415 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 877 transitions. Word has length 94 [2021-07-09 22:15:40,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:40,415 INFO L482 AbstractCegarLoop]: Abstraction has 598 states and 877 transitions. [2021-07-09 22:15:40,415 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 3.76) internal successors, (94), 25 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:40,415 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 877 transitions. [2021-07-09 22:15:40,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-07-09 22:15:40,417 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:40,417 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:40,417 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-07-09 22:15:40,417 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:15:40,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:40,417 INFO L82 PathProgramCache]: Analyzing trace with hash -1458979909, now seen corresponding path program 1 times [2021-07-09 22:15:40,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:40,418 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847054486] [2021-07-09 22:15:40,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:40,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:40,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:40,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:40,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:40,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:15:40,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:40,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:15:40,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:40,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:15:40,641 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-07-09 22:15:40,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:15:40,665 INFO L142 QuantifierPusher]: treesize reduction 16, result has 62.8 percent of original size [2021-07-09 22:15:40,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:15:40,691 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-07-09 22:15:40,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 22:15:40,735 INFO L142 QuantifierPusher]: treesize reduction 11, result has 75.6 percent of original size [2021-07-09 22:15:40,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:15:40,758 INFO L142 QuantifierPusher]: treesize reduction 11, result has 77.6 percent of original size [2021-07-09 22:15:40,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:15:40,780 INFO L142 QuantifierPusher]: treesize reduction 11, result has 73.2 percent of original size [2021-07-09 22:15:40,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:15:40,802 INFO L142 QuantifierPusher]: treesize reduction 19, result has 65.5 percent of original size [2021-07-09 22:15:40,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:15:40,829 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.8 percent of original size [2021-07-09 22:15:40,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:15:40,858 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-09 22:15:40,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:15:40,885 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-09 22:15:40,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:15:40,913 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-09 22:15:40,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:15:40,943 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-09 22:15:40,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:15:40,974 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-09 22:15:40,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:15:41,007 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.2 percent of original size [2021-07-09 22:15:41,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:15:41,045 INFO L142 QuantifierPusher]: treesize reduction 19, result has 64.2 percent of original size [2021-07-09 22:15:41,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:15:41,069 INFO L142 QuantifierPusher]: treesize reduction 19, result has 59.6 percent of original size [2021-07-09 22:15:41,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:15:41,105 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-07-09 22:15:41,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:41,139 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-09 22:15:41,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:15:41,189 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-09 22:15:41,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:15:41,235 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-09 22:15:41,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:15:41,266 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-09 22:15:41,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:15:41,300 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:15:41,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-09 22:15:41,334 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-07-09 22:15:41,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:15:41,374 INFO L142 QuantifierPusher]: treesize reduction 44, result has 36.2 percent of original size [2021-07-09 22:15:41,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:15:41,438 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:15:41,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:41,466 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:15:41,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:41,467 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:15:41,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:41,468 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:15:41,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:15:41,505 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:15:41,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:15:41,506 INFO L142 QuantifierPusher]: treesize reduction 9, result has 66.7 percent of original size [2021-07-09 22:15:41,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-09 22:15:41,547 INFO L142 QuantifierPusher]: treesize reduction 12, result has 58.6 percent of original size [2021-07-09 22:15:41,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:41,591 INFO L142 QuantifierPusher]: treesize reduction 12, result has 58.6 percent of original size [2021-07-09 22:15:41,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:41,635 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:15:41,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:15:41,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:41,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:41,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:41,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:41,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:41,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:41,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:41,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:41,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:41,741 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:41,741 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847054486] [2021-07-09 22:15:41,741 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847054486] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:41,741 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:41,741 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:15:41,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863590052] [2021-07-09 22:15:41,742 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:15:41,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:41,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:15:41,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1105, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:15:41,743 INFO L87 Difference]: Start difference. First operand 598 states and 877 transitions. Second operand has 35 states, 35 states have (on average 2.857142857142857) internal successors, (100), 35 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:42,855 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 57 [2021-07-09 22:15:43,022 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 61 [2021-07-09 22:15:43,212 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 66 [2021-07-09 22:15:43,436 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 68 [2021-07-09 22:15:44,243 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 67 [2021-07-09 22:15:44,430 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 71 [2021-07-09 22:15:44,649 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 78 [2021-07-09 22:15:45,056 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 81 [2021-07-09 22:15:46,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:46,005 INFO L93 Difference]: Finished difference Result 909 states and 1351 transitions. [2021-07-09 22:15:46,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-09 22:15:46,006 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 2.857142857142857) internal successors, (100), 35 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2021-07-09 22:15:46,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:46,009 INFO L225 Difference]: With dead ends: 909 [2021-07-09 22:15:46,009 INFO L226 Difference]: Without dead ends: 807 [2021-07-09 22:15:46,010 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 533 ImplicationChecksByTransitivity, 4136.1ms TimeCoverageRelationStatistics Valid=575, Invalid=3207, Unknown=0, NotChecked=0, Total=3782 [2021-07-09 22:15:46,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2021-07-09 22:15:46,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 622. [2021-07-09 22:15:46,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 622 states, 621 states have (on average 1.4702093397745573) internal successors, (913), 621 states have internal predecessors, (913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:46,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 913 transitions. [2021-07-09 22:15:46,021 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 913 transitions. Word has length 100 [2021-07-09 22:15:46,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:46,022 INFO L482 AbstractCegarLoop]: Abstraction has 622 states and 913 transitions. [2021-07-09 22:15:46,022 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 2.857142857142857) internal successors, (100), 35 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:46,022 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 913 transitions. [2021-07-09 22:15:46,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-07-09 22:15:46,023 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:46,024 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:46,024 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-07-09 22:15:46,024 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:15:46,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:46,024 INFO L82 PathProgramCache]: Analyzing trace with hash -1899219883, now seen corresponding path program 2 times [2021-07-09 22:15:46,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:46,024 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088960955] [2021-07-09 22:15:46,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:46,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:46,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:46,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:46,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:15:46,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:46,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:15:46,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:46,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:15:46,245 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-07-09 22:15:46,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:15:46,272 INFO L142 QuantifierPusher]: treesize reduction 16, result has 62.8 percent of original size [2021-07-09 22:15:46,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:15:46,303 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.0 percent of original size [2021-07-09 22:15:46,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 22:15:46,357 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.9 percent of original size [2021-07-09 22:15:46,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:15:46,396 INFO L142 QuantifierPusher]: treesize reduction 12, result has 78.6 percent of original size [2021-07-09 22:15:46,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 22:15:46,433 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.0 percent of original size [2021-07-09 22:15:46,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:15:46,469 INFO L142 QuantifierPusher]: treesize reduction 16, result has 75.0 percent of original size [2021-07-09 22:15:46,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-09 22:15:46,518 INFO L142 QuantifierPusher]: treesize reduction 16, result has 76.5 percent of original size [2021-07-09 22:15:46,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-09 22:15:46,559 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-07-09 22:15:46,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 22:15:46,616 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-07-09 22:15:46,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 22:15:46,664 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-07-09 22:15:46,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 22:15:46,715 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-07-09 22:15:46,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 22:15:46,782 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-07-09 22:15:46,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 22:15:46,825 INFO L142 QuantifierPusher]: treesize reduction 39, result has 62.1 percent of original size [2021-07-09 22:15:46,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-09 22:15:46,888 INFO L142 QuantifierPusher]: treesize reduction 39, result has 60.2 percent of original size [2021-07-09 22:15:46,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-09 22:15:46,913 INFO L142 QuantifierPusher]: treesize reduction 39, result has 57.6 percent of original size [2021-07-09 22:15:46,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-07-09 22:15:46,968 INFO L142 QuantifierPusher]: treesize reduction 39, result has 57.1 percent of original size [2021-07-09 22:15:46,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-09 22:15:47,054 INFO L142 QuantifierPusher]: treesize reduction 39, result has 57.1 percent of original size [2021-07-09 22:15:47,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-09 22:15:47,128 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.0 percent of original size [2021-07-09 22:15:47,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:15:47,179 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.0 percent of original size [2021-07-09 22:15:47,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:15:47,222 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.0 percent of original size [2021-07-09 22:15:47,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:15:47,281 INFO L142 QuantifierPusher]: treesize reduction 27, result has 67.9 percent of original size [2021-07-09 22:15:47,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-07-09 22:15:47,345 INFO L142 QuantifierPusher]: treesize reduction 27, result has 63.5 percent of original size [2021-07-09 22:15:47,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-07-09 22:15:47,379 INFO L142 QuantifierPusher]: treesize reduction 57, result has 41.2 percent of original size [2021-07-09 22:15:47,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:15:47,430 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:15:47,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:47,467 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:15:47,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:47,468 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:15:47,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:47,469 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:15:47,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:15:47,500 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:15:47,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:15:47,501 INFO L142 QuantifierPusher]: treesize reduction 9, result has 66.7 percent of original size [2021-07-09 22:15:47,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-09 22:15:47,535 INFO L142 QuantifierPusher]: treesize reduction 12, result has 58.6 percent of original size [2021-07-09 22:15:47,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:47,569 INFO L142 QuantifierPusher]: treesize reduction 12, result has 58.6 percent of original size [2021-07-09 22:15:47,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:47,604 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:15:47,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:15:47,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:47,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:47,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:47,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:47,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:47,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:47,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:47,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:47,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:47,708 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:47,708 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088960955] [2021-07-09 22:15:47,708 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088960955] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:47,708 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:47,708 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:15:47,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434764261] [2021-07-09 22:15:47,709 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:15:47,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:47,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:15:47,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1105, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:15:47,710 INFO L87 Difference]: Start difference. First operand 622 states and 913 transitions. Second operand has 35 states, 35 states have (on average 2.857142857142857) internal successors, (100), 35 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:48,502 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 50 [2021-07-09 22:15:48,684 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2021-07-09 22:15:48,859 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 60 [2021-07-09 22:15:49,058 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 64 [2021-07-09 22:15:49,294 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 70 [2021-07-09 22:15:49,564 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 72 [2021-07-09 22:15:49,933 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 75 [2021-07-09 22:15:50,239 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 80 [2021-07-09 22:15:50,672 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2021-07-09 22:15:50,997 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 70 [2021-07-09 22:15:51,225 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 75 [2021-07-09 22:15:51,484 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 82 [2021-07-09 22:15:51,869 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 85 [2021-07-09 22:15:52,054 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 70 [2021-07-09 22:15:52,372 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2021-07-09 22:15:52,626 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2021-07-09 22:15:53,555 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2021-07-09 22:15:53,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:53,557 INFO L93 Difference]: Finished difference Result 1053 states and 1555 transitions. [2021-07-09 22:15:53,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-09 22:15:53,557 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 2.857142857142857) internal successors, (100), 35 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2021-07-09 22:15:53,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:53,560 INFO L225 Difference]: With dead ends: 1053 [2021-07-09 22:15:53,560 INFO L226 Difference]: Without dead ends: 964 [2021-07-09 22:15:53,562 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 750 ImplicationChecksByTransitivity, 6042.8ms TimeCoverageRelationStatistics Valid=743, Invalid=3949, Unknown=0, NotChecked=0, Total=4692 [2021-07-09 22:15:53,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2021-07-09 22:15:53,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 624. [2021-07-09 22:15:53,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 624 states, 623 states have (on average 1.4719101123595506) internal successors, (917), 623 states have internal predecessors, (917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:53,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 917 transitions. [2021-07-09 22:15:53,585 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 917 transitions. Word has length 100 [2021-07-09 22:15:53,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:53,585 INFO L482 AbstractCegarLoop]: Abstraction has 624 states and 917 transitions. [2021-07-09 22:15:53,586 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 2.857142857142857) internal successors, (100), 35 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:53,586 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 917 transitions. [2021-07-09 22:15:53,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-07-09 22:15:53,587 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:53,587 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:53,587 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-07-09 22:15:53,588 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:15:53,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:53,588 INFO L82 PathProgramCache]: Analyzing trace with hash -1201362315, now seen corresponding path program 3 times [2021-07-09 22:15:53,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:53,588 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233931310] [2021-07-09 22:15:53,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:53,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:53,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:53,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:53,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:53,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:15:53,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:53,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:15:53,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:53,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 22:15:53,836 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-07-09 22:15:53,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:15:53,861 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-09 22:15:53,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:15:53,887 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-07-09 22:15:53,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:15:53,930 INFO L142 QuantifierPusher]: treesize reduction 12, result has 77.4 percent of original size [2021-07-09 22:15:53,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:15:53,968 INFO L142 QuantifierPusher]: treesize reduction 12, result has 78.9 percent of original size [2021-07-09 22:15:53,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:15:54,004 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.5 percent of original size [2021-07-09 22:15:54,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:15:54,039 INFO L142 QuantifierPusher]: treesize reduction 16, result has 75.4 percent of original size [2021-07-09 22:15:54,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-07-09 22:15:54,087 INFO L142 QuantifierPusher]: treesize reduction 16, result has 76.8 percent of original size [2021-07-09 22:15:54,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-07-09 22:15:54,131 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.8 percent of original size [2021-07-09 22:15:54,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:15:54,167 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.8 percent of original size [2021-07-09 22:15:54,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:15:54,213 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.8 percent of original size [2021-07-09 22:15:54,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:15:54,253 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.8 percent of original size [2021-07-09 22:15:54,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:15:54,294 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.8 percent of original size [2021-07-09 22:15:54,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:15:54,339 INFO L142 QuantifierPusher]: treesize reduction 39, result has 62.5 percent of original size [2021-07-09 22:15:54,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-07-09 22:15:54,399 INFO L142 QuantifierPusher]: treesize reduction 39, result has 60.6 percent of original size [2021-07-09 22:15:54,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-07-09 22:15:54,427 INFO L142 QuantifierPusher]: treesize reduction 39, result has 58.1 percent of original size [2021-07-09 22:15:54,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-07-09 22:15:54,482 INFO L142 QuantifierPusher]: treesize reduction 39, result has 57.1 percent of original size [2021-07-09 22:15:54,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-09 22:15:54,550 INFO L142 QuantifierPusher]: treesize reduction 39, result has 57.1 percent of original size [2021-07-09 22:15:54,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-09 22:15:54,607 INFO L142 QuantifierPusher]: treesize reduction 39, result has 57.1 percent of original size [2021-07-09 22:15:54,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-09 22:15:54,664 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.0 percent of original size [2021-07-09 22:15:54,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:15:54,706 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.0 percent of original size [2021-07-09 22:15:54,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:15:54,751 INFO L142 QuantifierPusher]: treesize reduction 27, result has 67.9 percent of original size [2021-07-09 22:15:54,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-07-09 22:15:54,801 INFO L142 QuantifierPusher]: treesize reduction 27, result has 63.5 percent of original size [2021-07-09 22:15:54,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-07-09 22:15:54,831 INFO L142 QuantifierPusher]: treesize reduction 57, result has 41.2 percent of original size [2021-07-09 22:15:54,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:15:54,900 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:15:54,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:54,929 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:15:54,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:54,930 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:15:54,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:15:54,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:54,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:54,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:54,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:55,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:55,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:55,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:55,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:55,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:55,039 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:55,039 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233931310] [2021-07-09 22:15:55,039 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233931310] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:55,039 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:55,039 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2021-07-09 22:15:55,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828313290] [2021-07-09 22:15:55,040 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-07-09 22:15:55,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:55,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-07-09 22:15:55,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=919, Unknown=0, NotChecked=0, Total=992 [2021-07-09 22:15:55,041 INFO L87 Difference]: Start difference. First operand 624 states and 917 transitions. Second operand has 32 states, 32 states have (on average 3.125) internal successors, (100), 32 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:55,907 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 56 [2021-07-09 22:15:56,072 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 61 [2021-07-09 22:15:56,262 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 65 [2021-07-09 22:15:56,489 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 71 [2021-07-09 22:15:56,743 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 73 [2021-07-09 22:15:57,082 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 76 [2021-07-09 22:15:57,361 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 81 [2021-07-09 22:15:57,870 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 85 [2021-07-09 22:15:58,167 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2021-07-09 22:15:58,321 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2021-07-09 22:15:58,539 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 73 [2021-07-09 22:15:58,798 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 83 [2021-07-09 22:15:59,108 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 86 [2021-07-09 22:15:59,317 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 75 [2021-07-09 22:15:59,632 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 71 [2021-07-09 22:15:59,764 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 57 [2021-07-09 22:15:59,915 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2021-07-09 22:16:00,478 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2021-07-09 22:16:00,631 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2021-07-09 22:16:00,767 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2021-07-09 22:16:00,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:16:00,786 INFO L93 Difference]: Finished difference Result 1050 states and 1551 transitions. [2021-07-09 22:16:00,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-09 22:16:00,786 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 3.125) internal successors, (100), 32 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2021-07-09 22:16:00,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:16:00,789 INFO L225 Difference]: With dead ends: 1050 [2021-07-09 22:16:00,789 INFO L226 Difference]: Without dead ends: 962 [2021-07-09 22:16:00,790 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 690 ImplicationChecksByTransitivity, 5837.8ms TimeCoverageRelationStatistics Valid=739, Invalid=3551, Unknown=0, NotChecked=0, Total=4290 [2021-07-09 22:16:00,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2021-07-09 22:16:00,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 626. [2021-07-09 22:16:00,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 626 states, 625 states have (on average 1.4704) internal successors, (919), 625 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:16:00,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 919 transitions. [2021-07-09 22:16:00,832 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 919 transitions. Word has length 100 [2021-07-09 22:16:00,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:16:00,833 INFO L482 AbstractCegarLoop]: Abstraction has 626 states and 919 transitions. [2021-07-09 22:16:00,833 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 3.125) internal successors, (100), 32 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:16:00,833 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 919 transitions. [2021-07-09 22:16:00,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-07-09 22:16:00,835 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:16:00,835 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:16:00,835 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-07-09 22:16:00,835 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:16:00,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:16:00,835 INFO L82 PathProgramCache]: Analyzing trace with hash -794985901, now seen corresponding path program 4 times [2021-07-09 22:16:00,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:16:00,836 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431244362] [2021-07-09 22:16:00,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:16:00,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:16:01,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:01,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:16:01,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:01,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:16:01,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:01,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:16:01,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:01,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:16:01,226 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-07-09 22:16:01,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:16:01,268 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-07-09 22:16:01,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:16:01,320 INFO L142 QuantifierPusher]: treesize reduction 26, result has 63.4 percent of original size [2021-07-09 22:16:01,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:16:01,402 INFO L142 QuantifierPusher]: treesize reduction 11, result has 78.4 percent of original size [2021-07-09 22:16:01,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:16:01,440 INFO L142 QuantifierPusher]: treesize reduction 11, result has 80.0 percent of original size [2021-07-09 22:16:01,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 22:16:01,478 INFO L142 QuantifierPusher]: treesize reduction 11, result has 76.6 percent of original size [2021-07-09 22:16:01,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:16:01,515 INFO L142 QuantifierPusher]: treesize reduction 15, result has 76.2 percent of original size [2021-07-09 22:16:01,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-09 22:16:01,564 INFO L142 QuantifierPusher]: treesize reduction 15, result has 77.6 percent of original size [2021-07-09 22:16:01,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-09 22:16:01,616 INFO L142 QuantifierPusher]: treesize reduction 15, result has 74.6 percent of original size [2021-07-09 22:16:01,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 22:16:01,662 INFO L142 QuantifierPusher]: treesize reduction 15, result has 74.6 percent of original size [2021-07-09 22:16:01,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 22:16:01,710 INFO L142 QuantifierPusher]: treesize reduction 15, result has 74.6 percent of original size [2021-07-09 22:16:01,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 22:16:01,762 INFO L142 QuantifierPusher]: treesize reduction 15, result has 74.6 percent of original size [2021-07-09 22:16:01,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 22:16:01,822 INFO L142 QuantifierPusher]: treesize reduction 15, result has 74.6 percent of original size [2021-07-09 22:16:01,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 22:16:01,880 INFO L142 QuantifierPusher]: treesize reduction 38, result has 62.7 percent of original size [2021-07-09 22:16:01,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-09 22:16:01,977 INFO L142 QuantifierPusher]: treesize reduction 38, result has 60.8 percent of original size [2021-07-09 22:16:01,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-09 22:16:02,013 INFO L142 QuantifierPusher]: treesize reduction 43, result has 55.2 percent of original size [2021-07-09 22:16:02,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-07-09 22:16:02,127 INFO L142 QuantifierPusher]: treesize reduction 43, result has 54.7 percent of original size [2021-07-09 22:16:02,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-09 22:16:02,197 INFO L142 QuantifierPusher]: treesize reduction 43, result has 54.7 percent of original size [2021-07-09 22:16:02,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-09 22:16:02,274 INFO L142 QuantifierPusher]: treesize reduction 43, result has 54.7 percent of original size [2021-07-09 22:16:02,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-09 22:16:02,349 INFO L142 QuantifierPusher]: treesize reduction 43, result has 54.7 percent of original size [2021-07-09 22:16:02,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-09 22:16:02,426 INFO L142 QuantifierPusher]: treesize reduction 17, result has 64.6 percent of original size [2021-07-09 22:16:02,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:16:02,480 INFO L142 QuantifierPusher]: treesize reduction 28, result has 60.6 percent of original size [2021-07-09 22:16:02,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-09 22:16:02,540 INFO L142 QuantifierPusher]: treesize reduction 28, result has 57.6 percent of original size [2021-07-09 22:16:02,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:16:02,577 INFO L142 QuantifierPusher]: treesize reduction 38, result has 45.7 percent of original size [2021-07-09 22:16:02,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:16:02,632 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:16:02,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:16:02,669 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:16:02,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:16:02,670 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:16:02,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:16:02,671 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:16:02,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:16:02,707 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:16:02,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:16:02,708 INFO L142 QuantifierPusher]: treesize reduction 9, result has 66.7 percent of original size [2021-07-09 22:16:02,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-09 22:16:02,749 INFO L142 QuantifierPusher]: treesize reduction 12, result has 58.6 percent of original size [2021-07-09 22:16:02,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:16:02,792 INFO L142 QuantifierPusher]: treesize reduction 12, result has 58.6 percent of original size [2021-07-09 22:16:02,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:16:02,850 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:16:02,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:16:02,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:02,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:16:02,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:02,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:16:02,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:02,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:16:02,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:02,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:16:02,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:16:02,956 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:16:02,956 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431244362] [2021-07-09 22:16:02,956 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431244362] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:16:02,956 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:16:02,957 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:16:02,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574991884] [2021-07-09 22:16:02,957 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:16:02,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:16:02,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:16:02,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1105, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:16:02,958 INFO L87 Difference]: Start difference. First operand 626 states and 919 transitions. Second operand has 35 states, 35 states have (on average 2.857142857142857) internal successors, (100), 35 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:16:03,899 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 50 [2021-07-09 22:16:04,089 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2021-07-09 22:16:04,332 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 60 [2021-07-09 22:16:04,585 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 64 [2021-07-09 22:16:04,883 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 70 [2021-07-09 22:16:05,228 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 72 [2021-07-09 22:16:05,725 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 75 [2021-07-09 22:16:06,085 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 80 [2021-07-09 22:16:06,329 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2021-07-09 22:16:06,567 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2021-07-09 22:16:07,154 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 84 [2021-07-09 22:16:07,384 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2021-07-09 22:16:07,597 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2021-07-09 22:16:08,017 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 88 [2021-07-09 22:16:08,276 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 71 [2021-07-09 22:16:08,508 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 65 [2021-07-09 22:16:08,812 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 77 [2021-07-09 22:16:09,176 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 79 [2021-07-09 22:16:09,470 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2021-07-09 22:16:09,933 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 74 [2021-07-09 22:16:10,138 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 61 [2021-07-09 22:16:10,376 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 67 [2021-07-09 22:16:11,065 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2021-07-09 22:16:11,220 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2021-07-09 22:16:11,355 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2021-07-09 22:16:11,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:16:11,513 INFO L93 Difference]: Finished difference Result 1047 states and 1546 transitions. [2021-07-09 22:16:11,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-09 22:16:11,514 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 2.857142857142857) internal successors, (100), 35 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2021-07-09 22:16:11,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:16:11,517 INFO L225 Difference]: With dead ends: 1047 [2021-07-09 22:16:11,517 INFO L226 Difference]: Without dead ends: 961 [2021-07-09 22:16:11,519 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 785 ImplicationChecksByTransitivity, 8729.1ms TimeCoverageRelationStatistics Valid=836, Invalid=4134, Unknown=0, NotChecked=0, Total=4970 [2021-07-09 22:16:11,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 961 states. [2021-07-09 22:16:11,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 961 to 627. [2021-07-09 22:16:11,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 627 states, 626 states have (on average 1.4696485623003195) internal successors, (920), 626 states have internal predecessors, (920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:16:11,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 920 transitions. [2021-07-09 22:16:11,550 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 920 transitions. Word has length 100 [2021-07-09 22:16:11,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:16:11,550 INFO L482 AbstractCegarLoop]: Abstraction has 627 states and 920 transitions. [2021-07-09 22:16:11,550 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 2.857142857142857) internal successors, (100), 35 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:16:11,550 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 920 transitions. [2021-07-09 22:16:11,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-07-09 22:16:11,554 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:16:11,554 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:16:11,554 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-07-09 22:16:11,554 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:16:11,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:16:11,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1461464217, now seen corresponding path program 5 times [2021-07-09 22:16:11,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:16:11,555 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509683207] [2021-07-09 22:16:11,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:16:11,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:16:11,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:11,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:16:11,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:11,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:16:11,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:11,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:16:11,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:11,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:16:11,935 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-07-09 22:16:11,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:16:11,976 INFO L142 QuantifierPusher]: treesize reduction 25, result has 56.1 percent of original size [2021-07-09 22:16:11,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:16:12,026 INFO L142 QuantifierPusher]: treesize reduction 37, result has 54.9 percent of original size [2021-07-09 22:16:12,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:16:12,082 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-09 22:16:12,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:16:12,105 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-07-09 22:16:12,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:16:12,127 INFO L142 QuantifierPusher]: treesize reduction 12, result has 71.4 percent of original size [2021-07-09 22:16:12,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:16:12,148 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-07-09 22:16:12,149 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.3 percent of original size 36 [2021-07-09 22:16:12,189 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.9 percent of original size [2021-07-09 22:16:12,190 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.0 percent of original size 40 [2021-07-09 22:16:12,230 INFO L142 QuantifierPusher]: treesize reduction 16, result has 68.6 percent of original size [2021-07-09 22:16:12,230 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.4 percent of original size 32 [2021-07-09 22:16:12,269 INFO L142 QuantifierPusher]: treesize reduction 16, result has 68.6 percent of original size [2021-07-09 22:16:12,270 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.4 percent of original size 32 [2021-07-09 22:16:12,308 INFO L142 QuantifierPusher]: treesize reduction 16, result has 68.6 percent of original size [2021-07-09 22:16:12,309 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.4 percent of original size 32 [2021-07-09 22:16:12,349 INFO L142 QuantifierPusher]: treesize reduction 16, result has 68.6 percent of original size [2021-07-09 22:16:12,349 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.4 percent of original size 32 [2021-07-09 22:16:12,391 INFO L142 QuantifierPusher]: treesize reduction 16, result has 68.6 percent of original size [2021-07-09 22:16:12,392 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.4 percent of original size 32 [2021-07-09 22:16:12,435 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.9 percent of original size [2021-07-09 22:16:12,436 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.6 percent of original size 39 [2021-07-09 22:16:12,485 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.6 percent of original size [2021-07-09 22:16:12,486 INFO L147 QuantifierPusher]: treesize reduction 5, result has 87.2 percent of original size 34 [2021-07-09 22:16:12,510 INFO L142 QuantifierPusher]: treesize reduction 16, result has 67.3 percent of original size [2021-07-09 22:16:12,511 INFO L147 QuantifierPusher]: treesize reduction 5, result has 84.8 percent of original size 28 [2021-07-09 22:16:12,558 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-07-09 22:16:12,558 INFO L147 QuantifierPusher]: treesize reduction 5, result has 84.4 percent of original size 27 [2021-07-09 22:16:12,655 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-07-09 22:16:12,656 INFO L147 QuantifierPusher]: treesize reduction 5, result has 84.4 percent of original size 27 [2021-07-09 22:16:12,730 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-07-09 22:16:12,730 INFO L147 QuantifierPusher]: treesize reduction 5, result has 84.4 percent of original size 27 [2021-07-09 22:16:12,782 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-07-09 22:16:12,782 INFO L147 QuantifierPusher]: treesize reduction 5, result has 84.4 percent of original size 27 [2021-07-09 22:16:12,836 INFO L142 QuantifierPusher]: treesize reduction 46, result has 37.8 percent of original size [2021-07-09 22:16:12,837 INFO L147 QuantifierPusher]: treesize reduction 5, result has 82.1 percent of original size 23 [2021-07-09 22:16:12,890 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-09 22:16:12,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:16:12,930 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:16:12,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:16:12,960 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-09 22:16:12,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:16:12,998 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:16:12,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:16:13,035 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:16:13,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:16:13,036 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:16:13,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:16:13,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:13,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:16:13,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:13,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:16:13,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:13,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:16:13,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:13,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:16:13,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:16:13,169 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:16:13,169 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509683207] [2021-07-09 22:16:13,169 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509683207] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:16:13,169 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:16:13,169 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2021-07-09 22:16:13,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219636792] [2021-07-09 22:16:13,169 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-07-09 22:16:13,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:16:13,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-07-09 22:16:13,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=919, Unknown=0, NotChecked=0, Total=992 [2021-07-09 22:16:13,170 INFO L87 Difference]: Start difference. First operand 627 states and 920 transitions. Second operand has 32 states, 32 states have (on average 3.125) internal successors, (100), 32 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:16:14,190 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 57 [2021-07-09 22:16:14,348 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 61 [2021-07-09 22:16:14,528 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 66 [2021-07-09 22:16:14,743 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 68 [2021-07-09 22:16:15,033 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 71 [2021-07-09 22:16:15,255 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 75 [2021-07-09 22:16:15,681 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 79 [2021-07-09 22:16:16,167 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 83 [2021-07-09 22:16:16,437 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 87 [2021-07-09 22:16:16,581 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2021-07-09 22:16:16,778 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 73 [2021-07-09 22:16:16,960 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 65 [2021-07-09 22:16:17,185 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 75 [2021-07-09 22:16:17,382 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 74 [2021-07-09 22:16:17,673 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 70 [2021-07-09 22:16:17,825 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 61 [2021-07-09 22:16:17,988 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2021-07-09 22:16:18,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:16:18,681 INFO L93 Difference]: Finished difference Result 1028 states and 1516 transitions. [2021-07-09 22:16:18,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-09 22:16:18,681 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 3.125) internal successors, (100), 32 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2021-07-09 22:16:18,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:16:18,683 INFO L225 Difference]: With dead ends: 1028 [2021-07-09 22:16:18,683 INFO L226 Difference]: Without dead ends: 943 [2021-07-09 22:16:18,684 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 723 ImplicationChecksByTransitivity, 5739.3ms TimeCoverageRelationStatistics Valid=838, Invalid=3718, Unknown=0, NotChecked=0, Total=4556 [2021-07-09 22:16:18,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2021-07-09 22:16:18,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 636. [2021-07-09 22:16:18,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 636 states, 635 states have (on average 1.4645669291338583) internal successors, (930), 635 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:16:18,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 930 transitions. [2021-07-09 22:16:18,694 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 930 transitions. Word has length 100 [2021-07-09 22:16:18,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:16:18,694 INFO L482 AbstractCegarLoop]: Abstraction has 636 states and 930 transitions. [2021-07-09 22:16:18,694 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 3.125) internal successors, (100), 32 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:16:18,694 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 930 transitions. [2021-07-09 22:16:18,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-07-09 22:16:18,696 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:16:18,696 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:16:18,696 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-07-09 22:16:18,696 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:16:18,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:16:18,697 INFO L82 PathProgramCache]: Analyzing trace with hash 288183867, now seen corresponding path program 6 times [2021-07-09 22:16:18,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:16:18,697 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831364432] [2021-07-09 22:16:18,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:16:18,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-09 22:16:18,733 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-09 22:16:18,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-09 22:16:18,765 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-09 22:16:18,802 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-09 22:16:18,802 INFO L609 BasicCegarLoop]: Counterexample might be feasible [2021-07-09 22:16:18,802 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-07-09 22:16:18,805 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-09 22:16:18,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.07 10:16:18 BasicIcfg [2021-07-09 22:16:18,899 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-09 22:16:18,899 INFO L168 Benchmark]: Toolchain (without parser) took 133757.41 ms. Allocated memory was 180.4 MB in the beginning and 488.6 MB in the end (delta: 308.3 MB). Free memory was 141.0 MB in the beginning and 245.8 MB in the end (delta: -104.8 MB). Peak memory consumption was 204.0 MB. Max. memory is 8.0 GB. [2021-07-09 22:16:18,899 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 180.4 MB. Free memory is still 160.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-09 22:16:18,899 INFO L168 Benchmark]: CACSL2BoogieTranslator took 776.76 ms. Allocated memory is still 180.4 MB. Free memory was 140.8 MB in the beginning and 121.1 MB in the end (delta: 19.7 MB). Peak memory consumption was 21.1 MB. Max. memory is 8.0 GB. [2021-07-09 22:16:18,899 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.69 ms. Allocated memory is still 180.4 MB. Free memory was 121.1 MB in the beginning and 117.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-07-09 22:16:18,899 INFO L168 Benchmark]: Boogie Preprocessor took 60.83 ms. Allocated memory is still 180.4 MB. Free memory was 117.9 MB in the beginning and 115.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-07-09 22:16:18,900 INFO L168 Benchmark]: RCFGBuilder took 773.83 ms. Allocated memory was 180.4 MB in the beginning and 338.7 MB in the end (delta: 158.3 MB). Free memory was 115.3 MB in the beginning and 297.3 MB in the end (delta: -182.0 MB). Peak memory consumption was 30.8 MB. Max. memory is 8.0 GB. [2021-07-09 22:16:18,900 INFO L168 Benchmark]: TraceAbstraction took 132050.96 ms. Allocated memory was 338.7 MB in the beginning and 488.6 MB in the end (delta: 149.9 MB). Free memory was 296.8 MB in the beginning and 245.8 MB in the end (delta: 51.0 MB). Peak memory consumption was 201.0 MB. Max. memory is 8.0 GB. [2021-07-09 22:16:18,900 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 180.4 MB. Free memory is still 160.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 776.76 ms. Allocated memory is still 180.4 MB. Free memory was 140.8 MB in the beginning and 121.1 MB in the end (delta: 19.7 MB). Peak memory consumption was 21.1 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 87.69 ms. Allocated memory is still 180.4 MB. Free memory was 121.1 MB in the beginning and 117.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 60.83 ms. Allocated memory is still 180.4 MB. Free memory was 117.9 MB in the beginning and 115.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 773.83 ms. Allocated memory was 180.4 MB in the beginning and 338.7 MB in the end (delta: 158.3 MB). Free memory was 115.3 MB in the beginning and 297.3 MB in the end (delta: -182.0 MB). Peak memory consumption was 30.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 132050.96 ms. Allocated memory was 338.7 MB in the beginning and 488.6 MB in the end (delta: 149.9 MB). Free memory was 296.8 MB in the beginning and 245.8 MB in the end (delta: 51.0 MB). Peak memory consumption was 201.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10471, positive: 9797, positive conditional: 9797, positive unconditional: 0, negative: 674, negative conditional: 674, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10311, positive: 9797, positive conditional: 0, positive unconditional: 9797, negative: 514, negative conditional: 0, negative unconditional: 514, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1233, positive: 1185, positive conditional: 0, positive unconditional: 1185, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1233, positive: 1185, positive conditional: 0, positive unconditional: 1185, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 48, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 18, unknown conditional: 0, unknown unconditional: 18] , SemanticIndependenceRelation.Query Time [ms]: [ total: 56375, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1471, negative conditional: 0, negative unconditional: 1471, unknown: 54905, unknown conditional: 0, unknown unconditional: 54905] ], Cache Queries: [ total: 10311, positive: 8612, positive conditional: 0, positive unconditional: 8612, negative: 466, negative conditional: 0, negative unconditional: 466, unknown: 1233, unknown conditional: 0, unknown unconditional: 1233] , Statistics on independence cache: Total cache size (in pairs): 1233, Positive cache size: 1185, Positive conditional cache size: 0, Positive unconditional cache size: 1185, Negative cache size: 48, Negative conditional cache size: 0, Negative unconditional cache size: 48, Independence queries for same thread: 160 - CounterExampleResult [Line: 1675]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1676] 0 pthread_t t1,t2; VAL [t1={7:0}, t2={8:0}] [L1725] 0 return 0; VAL [t1={7:0}, t2={8:0}] [L1731] 0 int ret = my_drv_init(); VAL [t1={7:0}, t2={8:0}] [L1732] COND TRUE 0 ret==0 VAL [t1={7:0}, t2={8:0}] [L1733] 0 int probe_ret; VAL [t1={7:0}, t2={8:0}] [L1734] 0 struct my_data data; VAL [t1={7:0}, t2={8:0}] [L1704] 0 struct device *d = &data->dev; VAL [t1={7:0}, t2={8:0}] [L1706] 0 data->shared.a = 0 VAL [t1={7:0}, t2={8:0}] [L1707] 0 data->shared.b = 0 VAL [t1={7:0}, t2={8:0}] [L1708] 0 int res = __VERIFIER_nondet_int(); VAL [t1={7:0}, t2={8:0}] [L1709] COND FALSE 0 !(\read(res)) VAL [t1={7:0}, t2={8:0}] [L1711] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={9:24}, t1={7:0}, t2={8:0}] [L1712] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [arg={9:24}, t1={7:0}, t2={8:0}] [L1713] 0 return 0; VAL [arg={9:24}, t1={7:0}, t2={8:0}] [L1689] 1 struct device *dev = (struct device*)arg; VAL [arg={9:24}, arg={9:24}, dev={9:24}, t1={7:0}, t2={8:0}] [L1690] 1 struct my_data *data; VAL [arg={9:24}, arg={9:24}, dev={9:24}, t1={7:0}, t2={8:0}] [L1691] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); VAL [__mptr={9:24}, arg={9:24}, arg={9:24}, dev={9:24}, t1={7:0}, t2={8:0}] [L1691] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [__mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, t1={7:0}, t2={8:0}] [L1693] 1 data->shared.a = 1 VAL [__mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, t1={7:0}, t2={8:0}] [L1696] EXPR 1 data->shared.b [L1696] 1 int lb = data->shared.b; [L1735] 0 probe_ret = my_drv_probe(&data) VAL [__mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={7:0}, t2={8:0}] [L1736] COND TRUE 0 probe_ret==0 VAL [__mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={7:0}, t2={8:0}] [L1719] 0 void *status; VAL [__mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={7:0}, t2={8:0}] [L1689] 2 struct device *dev = (struct device*)arg; VAL [__mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={7:0}, t2={8:0}] [L1690] 2 struct my_data *data; VAL [__mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={7:0}, t2={8:0}] [L1691] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); VAL [__mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={7:0}, t2={8:0}] [L1691] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [__mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={7:0}, t2={8:0}] [L1693] 2 data->shared.a = 1 VAL [__mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={7:0}, t2={8:0}] [L1696] EXPR 2 data->shared.b [L1696] 2 int lb = data->shared.b; [L1699] 1 data->shared.b = lb + 1 VAL [__mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={7:0}, t2={8:0}] [L1701] 2 return 0; VAL [\result={0:0}, __mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={7:0}, t2={8:0}] [L1720] 0 \read(t1) VAL [\result={0:0}, __mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={7:0}, t2={8:0}] [L1701] 1 return 0; VAL [\result={0:0}, __mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={7:0}, t2={8:0}] [L1720] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\result={0:0}, __mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={7:0}, t2={8:0}] [L1721] 0 \read(t2) VAL [\result={0:0}, __mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={7:0}, t2={8:0}] [L1721] FCALL, JOIN 2 pthread_join(t2, &status) VAL [\result={0:0}, __mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={7:0}, t2={8:0}] [L1738] 0 data.shared.a VAL [\result={0:0}, __mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={7:0}, t2={8:0}] [L1675] COND FALSE 0 !(!expression) VAL [\result={0:0}, __mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={7:0}, t2={8:0}] [L1739] 0 data.shared.b VAL [\result={0:0}, __mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={7:0}, t2={8:0}] [L1675] COND TRUE 0 !expression VAL [\result={0:0}, __mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={7:0}, t2={8:0}] [L1675] 0 reach_error() VAL [\result={0:0}, __mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={7:0}, t2={8:0}] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 4 procedures, 148 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 131828.4ms, OverallIterations: 19, TraceHistogramMax: 1, EmptinessCheckTime: 63.0ms, AutomataDifference: 57185.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 56783.4ms, PartialOrderReductionTime: 56750.8ms, HoareTripleCheckerStatistics: 2404 SDtfs, 13987 SDslu, 26380 SDs, 0 SdLazy, 16210 SolverSat, 1549 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10029.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 880 GetRequests, 60 SyntacticMatches, 24 SemanticMatches, 796 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6237 ImplicationChecksByTransitivity, 56537.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=5107occurred in iteration=0, InterpolantAutomatonStates: 490, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 486.6ms AutomataMinimizationTime, 18 MinimizatonAttempts, 5274 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 57.8ms SsaConstructionTime, 671.0ms SatisfiabilityAnalysisTime, 16058.2ms InterpolantComputationTime, 1708 NumberOfCodeBlocks, 1708 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1590 ConstructedInterpolants, 0 QuantifiedInterpolants, 25830 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...