/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf -i ../../../trunk/examples/svcomp/pthread-atomic/time_var_mutex.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7a177ad [2020-11-09 16:20:57,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-09 16:20:57,650 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-09 16:20:57,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-09 16:20:57,703 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-09 16:20:57,707 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-09 16:20:57,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-09 16:20:57,718 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-09 16:20:57,721 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-09 16:20:57,727 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-09 16:20:57,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-09 16:20:57,730 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-09 16:20:57,730 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-09 16:20:57,733 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-09 16:20:57,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-09 16:20:57,738 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-09 16:20:57,739 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-09 16:20:57,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-09 16:20:57,754 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-09 16:20:57,760 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-09 16:20:57,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-09 16:20:57,764 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-09 16:20:57,765 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-09 16:20:57,766 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-09 16:20:57,769 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-09 16:20:57,773 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-09 16:20:57,774 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-09 16:20:57,776 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-09 16:20:57,777 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-09 16:20:57,778 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-09 16:20:57,778 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-09 16:20:57,779 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-09 16:20:57,779 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-09 16:20:57,780 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-09 16:20:57,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-09 16:20:57,782 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-09 16:20:57,783 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf [2020-11-09 16:20:57,811 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-09 16:20:57,811 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-09 16:20:57,813 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-09 16:20:57,813 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-09 16:20:57,814 INFO L138 SettingsManager]: * Use SBE=true [2020-11-09 16:20:57,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-09 16:20:57,814 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-09 16:20:57,814 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-09 16:20:57,814 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-09 16:20:57,815 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-09 16:20:57,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-09 16:20:57,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-09 16:20:57,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-09 16:20:57,816 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-09 16:20:57,816 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-09 16:20:57,816 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-09 16:20:57,816 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-09 16:20:57,816 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-09 16:20:57,817 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-09 16:20:57,817 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-09 16:20:57,817 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-09 16:20:57,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 16:20:57,818 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-09 16:20:57,818 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-11-09 16:20:57,818 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-09 16:20:57,818 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-09 16:20:57,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-09 16:20:57,819 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-11-09 16:20:57,819 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-11-09 16:20:57,819 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-09 16:20:57,819 INFO L138 SettingsManager]: * Interpolant automaton=MCR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-09 16:20:58,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-09 16:20:58,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-09 16:20:58,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-09 16:20:58,200 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-09 16:20:58,201 INFO L275 PluginConnector]: CDTParser initialized [2020-11-09 16:20:58,202 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2020-11-09 16:20:58,286 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83f71bc95/1cb6afe307424fbeb864c9816c586f98/FLAGc5eb74c14 [2020-11-09 16:20:58,981 INFO L306 CDTParser]: Found 1 translation units. [2020-11-09 16:20:58,982 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2020-11-09 16:20:59,003 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83f71bc95/1cb6afe307424fbeb864c9816c586f98/FLAGc5eb74c14 [2020-11-09 16:20:59,261 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83f71bc95/1cb6afe307424fbeb864c9816c586f98 [2020-11-09 16:20:59,266 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-09 16:20:59,274 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-09 16:20:59,280 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-09 16:20:59,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-09 16:20:59,284 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-09 16:20:59,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:20:59" (1/1) ... [2020-11-09 16:20:59,290 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2740a87e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:20:59, skipping insertion in model container [2020-11-09 16:20:59,290 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:20:59" (1/1) ... [2020-11-09 16:20:59,300 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-09 16:20:59,373 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-09 16:20:59,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 16:20:59,798 INFO L203 MainTranslator]: Completed pre-run [2020-11-09 16:20:59,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 16:20:59,956 INFO L208 MainTranslator]: Completed translation [2020-11-09 16:20:59,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:20:59 WrapperNode [2020-11-09 16:20:59,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-09 16:20:59,958 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-09 16:20:59,958 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-09 16:20:59,958 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-09 16:20:59,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:20:59" (1/1) ... [2020-11-09 16:20:59,983 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:20:59" (1/1) ... [2020-11-09 16:21:00,009 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-09 16:21:00,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-09 16:21:00,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-09 16:21:00,011 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-09 16:21:00,021 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:20:59" (1/1) ... [2020-11-09 16:21:00,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:20:59" (1/1) ... [2020-11-09 16:21:00,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:20:59" (1/1) ... [2020-11-09 16:21:00,025 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:20:59" (1/1) ... [2020-11-09 16:21:00,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:20:59" (1/1) ... [2020-11-09 16:21:00,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:20:59" (1/1) ... [2020-11-09 16:21:00,037 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:20:59" (1/1) ... [2020-11-09 16:21:00,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-09 16:21:00,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-09 16:21:00,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-09 16:21:00,042 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-09 16:21:00,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:20:59" (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 [2020-11-09 16:21:00,130 INFO L130 BoogieDeclarations]: Found specification of procedure allocator [2020-11-09 16:21:00,130 INFO L138 BoogieDeclarations]: Found implementation of procedure allocator [2020-11-09 16:21:00,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-09 16:21:00,131 INFO L130 BoogieDeclarations]: Found specification of procedure de_allocator [2020-11-09 16:21:00,131 INFO L138 BoogieDeclarations]: Found implementation of procedure de_allocator [2020-11-09 16:21:00,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-09 16:21:00,131 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-11-09 16:21:00,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-09 16:21:00,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-09 16:21:00,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-09 16:21:00,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-09 16:21:00,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-09 16:21:00,134 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-09 16:21:00,575 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-09 16:21:00,575 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-09 16:21:00,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:21:00 BoogieIcfgContainer [2020-11-09 16:21:00,577 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-09 16:21:00,579 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-09 16:21:00,579 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-09 16:21:00,583 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-09 16:21:00,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:20:59" (1/3) ... [2020-11-09 16:21:00,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@533511bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:21:00, skipping insertion in model container [2020-11-09 16:21:00,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:20:59" (2/3) ... [2020-11-09 16:21:00,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@533511bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:21:00, skipping insertion in model container [2020-11-09 16:21:00,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:21:00" (3/3) ... [2020-11-09 16:21:00,586 INFO L111 eAbstractionObserver]: Analyzing ICFG time_var_mutex.i [2020-11-09 16:21:00,602 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-09 16:21:00,602 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-09 16:21:00,606 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-11-09 16:21:00,607 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-09 16:21:00,640 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,640 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,641 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,641 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,641 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,641 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,642 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,642 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,642 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,642 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,643 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,643 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,643 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,644 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,644 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,644 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,645 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,645 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,645 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,645 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,646 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,646 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,646 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,646 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,647 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,647 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,647 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,648 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,648 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,649 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,649 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,649 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,649 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,649 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,650 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,650 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,650 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,650 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,651 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,651 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,652 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,652 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,652 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,652 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,653 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,653 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,653 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,653 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,654 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,654 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,654 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,654 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,657 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,657 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,658 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,658 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,658 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,658 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,659 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,659 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,667 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,667 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,667 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,667 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,667 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,668 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,668 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:21:00,681 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-11-09 16:21:00,694 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-11-09 16:21:00,717 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 16:21:00,717 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 16:21:00,717 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 16:21:00,717 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-11-09 16:21:00,717 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 16:21:00,718 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 16:21:00,718 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 16:21:00,718 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 16:21:00,731 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 16:21:00,732 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 96 places, 98 transitions, 218 flow [2020-11-09 16:21:00,735 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 96 places, 98 transitions, 218 flow [2020-11-09 16:21:00,737 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 96 places, 98 transitions, 218 flow [2020-11-09 16:21:00,793 INFO L129 PetriNetUnfolder]: 8/98 cut-off events. [2020-11-09 16:21:00,793 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-11-09 16:21:00,798 INFO L84 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 98 events. 8/98 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 139 event pairs, 0 based on Foata normal form. 0/89 useless extension candidates. Maximal degree in co-relation 63. Up to 3 conditions per place. [2020-11-09 16:21:00,802 INFO L116 LiptonReduction]: Number of co-enabled transitions 1376 [2020-11-09 16:21:04,007 WARN L194 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2020-11-09 16:21:04,532 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-11-09 16:21:04,696 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-11-09 16:21:05,203 WARN L194 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2020-11-09 16:21:05,415 WARN L194 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-11-09 16:21:05,856 WARN L194 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-11-09 16:21:06,083 WARN L194 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-11-09 16:21:06,934 WARN L194 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 137 [2020-11-09 16:21:07,368 WARN L194 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-11-09 16:21:08,211 WARN L194 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 140 [2020-11-09 16:21:08,604 WARN L194 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-11-09 16:21:08,612 INFO L131 LiptonReduction]: Checked pairs total: 5213 [2020-11-09 16:21:08,612 INFO L133 LiptonReduction]: Total number of compositions: 84 [2020-11-09 16:21:08,620 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 34 transitions, 90 flow [2020-11-09 16:21:08,641 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 218 states. [2020-11-09 16:21:08,644 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states. [2020-11-09 16:21:08,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-09 16:21:08,650 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:21:08,651 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-09 16:21:08,651 INFO L429 AbstractCegarLoop]: === Iteration 1 === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:21:08,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:21:08,662 INFO L82 PathProgramCache]: Analyzing trace with hash 361832587, now seen corresponding path program 1 times [2020-11-09 16:21:08,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:21:08,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611675527] [2020-11-09 16:21:08,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:21:08,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:21:09,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:21:09,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611675527] [2020-11-09 16:21:09,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 16:21:09,019 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 16:21:09,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [958148634] [2020-11-09 16:21:09,021 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:21:09,026 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:21:09,043 INFO L252 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-11-09 16:21:09,043 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:21:09,049 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:21:09,050 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 16:21:09,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:21:09,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 16:21:09,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 16:21:09,076 INFO L87 Difference]: Start difference. First operand 218 states. Second operand 3 states. [2020-11-09 16:21:09,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:21:09,127 INFO L93 Difference]: Finished difference Result 218 states and 483 transitions. [2020-11-09 16:21:09,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 16:21:09,130 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-11-09 16:21:09,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:21:09,153 INFO L225 Difference]: With dead ends: 218 [2020-11-09 16:21:09,154 INFO L226 Difference]: Without dead ends: 188 [2020-11-09 16:21:09,155 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 16:21:09,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2020-11-09 16:21:09,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2020-11-09 16:21:09,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-11-09 16:21:09,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 412 transitions. [2020-11-09 16:21:09,249 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 412 transitions. Word has length 5 [2020-11-09 16:21:09,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:21:09,249 INFO L481 AbstractCegarLoop]: Abstraction has 188 states and 412 transitions. [2020-11-09 16:21:09,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 16:21:09,249 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 412 transitions. [2020-11-09 16:21:09,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-09 16:21:09,250 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:21:09,250 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:21:09,250 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-09 16:21:09,251 INFO L429 AbstractCegarLoop]: === Iteration 2 === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:21:09,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:21:09,252 INFO L82 PathProgramCache]: Analyzing trace with hash -1026348029, now seen corresponding path program 1 times [2020-11-09 16:21:09,253 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:21:09,253 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961568585] [2020-11-09 16:21:09,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:21:09,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:21:09,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:21:09,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961568585] [2020-11-09 16:21:09,352 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 16:21:09,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 16:21:09,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1947314366] [2020-11-09 16:21:09,353 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:21:09,353 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:21:09,355 INFO L252 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-11-09 16:21:09,355 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:21:09,356 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:21:09,359 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 16:21:09,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:21:09,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 16:21:09,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 16:21:09,362 INFO L87 Difference]: Start difference. First operand 188 states and 412 transitions. Second operand 3 states. [2020-11-09 16:21:09,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:21:09,410 INFO L93 Difference]: Finished difference Result 207 states and 430 transitions. [2020-11-09 16:21:09,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 16:21:09,414 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-11-09 16:21:09,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:21:09,416 INFO L225 Difference]: With dead ends: 207 [2020-11-09 16:21:09,416 INFO L226 Difference]: Without dead ends: 153 [2020-11-09 16:21:09,417 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 16:21:09,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-11-09 16:21:09,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 139. [2020-11-09 16:21:09,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-11-09 16:21:09,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 282 transitions. [2020-11-09 16:21:09,427 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 282 transitions. Word has length 8 [2020-11-09 16:21:09,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:21:09,427 INFO L481 AbstractCegarLoop]: Abstraction has 139 states and 282 transitions. [2020-11-09 16:21:09,428 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 16:21:09,428 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 282 transitions. [2020-11-09 16:21:09,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-09 16:21:09,429 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:21:09,429 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:21:09,429 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-09 16:21:09,429 INFO L429 AbstractCegarLoop]: === Iteration 3 === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:21:09,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:21:09,430 INFO L82 PathProgramCache]: Analyzing trace with hash -1612503543, now seen corresponding path program 1 times [2020-11-09 16:21:09,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:21:09,439 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421803000] [2020-11-09 16:21:09,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:21:09,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:21:09,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:21:09,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421803000] [2020-11-09 16:21:09,524 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 16:21:09,524 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 16:21:09,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [837979172] [2020-11-09 16:21:09,525 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:21:09,525 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:21:09,526 INFO L252 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-11-09 16:21:09,526 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:21:09,527 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:21:09,527 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 16:21:09,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:21:09,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 16:21:09,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 16:21:09,528 INFO L87 Difference]: Start difference. First operand 139 states and 282 transitions. Second operand 3 states. [2020-11-09 16:21:09,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:21:09,548 INFO L93 Difference]: Finished difference Result 128 states and 244 transitions. [2020-11-09 16:21:09,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 16:21:09,549 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-11-09 16:21:09,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:21:09,550 INFO L225 Difference]: With dead ends: 128 [2020-11-09 16:21:09,550 INFO L226 Difference]: Without dead ends: 96 [2020-11-09 16:21:09,550 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 16:21:09,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2020-11-09 16:21:09,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2020-11-09 16:21:09,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-11-09 16:21:09,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 181 transitions. [2020-11-09 16:21:09,558 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 181 transitions. Word has length 8 [2020-11-09 16:21:09,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:21:09,558 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 181 transitions. [2020-11-09 16:21:09,558 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 16:21:09,558 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 181 transitions. [2020-11-09 16:21:09,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-09 16:21:09,559 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:21:09,560 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:21:09,560 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-09 16:21:09,560 INFO L429 AbstractCegarLoop]: === Iteration 4 === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:21:09,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:21:09,561 INFO L82 PathProgramCache]: Analyzing trace with hash -213097666, now seen corresponding path program 1 times [2020-11-09 16:21:09,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:21:09,563 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871920888] [2020-11-09 16:21:09,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:21:09,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:21:09,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:21:09,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871920888] [2020-11-09 16:21:09,658 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 16:21:09,659 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 16:21:09,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [993155331] [2020-11-09 16:21:09,660 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:21:09,661 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:21:09,667 INFO L252 McrAutomatonBuilder]: Finished intersection with 27 states and 38 transitions. [2020-11-09 16:21:09,667 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:21:09,715 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:21:09,715 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 16:21:09,716 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:21:09,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 16:21:09,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 16:21:09,717 INFO L87 Difference]: Start difference. First operand 96 states and 181 transitions. Second operand 3 states. [2020-11-09 16:21:09,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:21:09,733 INFO L93 Difference]: Finished difference Result 96 states and 175 transitions. [2020-11-09 16:21:09,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 16:21:09,736 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-11-09 16:21:09,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:21:09,737 INFO L225 Difference]: With dead ends: 96 [2020-11-09 16:21:09,737 INFO L226 Difference]: Without dead ends: 78 [2020-11-09 16:21:09,737 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 16:21:09,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-11-09 16:21:09,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-11-09 16:21:09,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-11-09 16:21:09,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 139 transitions. [2020-11-09 16:21:09,743 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 139 transitions. Word has length 13 [2020-11-09 16:21:09,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:21:09,743 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 139 transitions. [2020-11-09 16:21:09,743 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 16:21:09,743 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 139 transitions. [2020-11-09 16:21:09,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-09 16:21:09,744 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:21:09,744 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:21:09,745 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-09 16:21:09,745 INFO L429 AbstractCegarLoop]: === Iteration 5 === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:21:09,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:21:09,746 INFO L82 PathProgramCache]: Analyzing trace with hash -991143132, now seen corresponding path program 1 times [2020-11-09 16:21:09,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:21:09,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680040502] [2020-11-09 16:21:09,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:21:09,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:21:09,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:21:09,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680040502] [2020-11-09 16:21:09,796 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 16:21:09,796 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-09 16:21:09,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1844838379] [2020-11-09 16:21:09,797 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:21:09,799 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:21:09,802 INFO L252 McrAutomatonBuilder]: Finished intersection with 21 states and 26 transitions. [2020-11-09 16:21:09,802 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:21:09,818 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:21:09,819 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 16:21:09,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:21:09,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 16:21:09,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 16:21:09,820 INFO L87 Difference]: Start difference. First operand 78 states and 139 transitions. Second operand 4 states. [2020-11-09 16:21:09,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:21:09,888 INFO L93 Difference]: Finished difference Result 26 states and 43 transitions. [2020-11-09 16:21:09,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-09 16:21:09,889 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-11-09 16:21:09,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:21:09,889 INFO L225 Difference]: With dead ends: 26 [2020-11-09 16:21:09,889 INFO L226 Difference]: Without dead ends: 0 [2020-11-09 16:21:09,890 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 16:21:09,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-09 16:21:09,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-09 16:21:09,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-09 16:21:09,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-09 16:21:09,891 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-11-09 16:21:09,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:21:09,891 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-09 16:21:09,891 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 16:21:09,891 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-09 16:21:09,891 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-09 16:21:09,891 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-09 16:21:09,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:21:09 BasicIcfg [2020-11-09 16:21:09,899 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-09 16:21:09,902 INFO L168 Benchmark]: Toolchain (without parser) took 10632.31 ms. Allocated memory was 157.3 MB in the beginning and 226.5 MB in the end (delta: 69.2 MB). Free memory was 131.2 MB in the beginning and 184.3 MB in the end (delta: -53.1 MB). Peak memory consumption was 16.9 MB. Max. memory is 8.0 GB. [2020-11-09 16:21:09,904 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 157.3 MB. Free memory is still 130.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-09 16:21:09,905 INFO L168 Benchmark]: CACSL2BoogieTranslator took 677.57 ms. Allocated memory is still 157.3 MB. Free memory was 130.6 MB in the beginning and 131.9 MB in the end (delta: -1.3 MB). Peak memory consumption was 25.8 MB. Max. memory is 8.0 GB. [2020-11-09 16:21:09,911 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.48 ms. Allocated memory is still 157.3 MB. Free memory was 131.9 MB in the beginning and 129.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-09 16:21:09,912 INFO L168 Benchmark]: Boogie Preprocessor took 30.22 ms. Allocated memory is still 157.3 MB. Free memory was 129.8 MB in the beginning and 128.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-09 16:21:09,913 INFO L168 Benchmark]: RCFGBuilder took 536.18 ms. Allocated memory is still 157.3 MB. Free memory was 128.2 MB in the beginning and 104.1 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2020-11-09 16:21:09,914 INFO L168 Benchmark]: TraceAbstraction took 9319.54 ms. Allocated memory was 157.3 MB in the beginning and 226.5 MB in the end (delta: 69.2 MB). Free memory was 103.6 MB in the beginning and 184.3 MB in the end (delta: -80.7 MB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-09 16:21:09,922 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 157.3 MB. Free memory is still 130.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 677.57 ms. Allocated memory is still 157.3 MB. Free memory was 130.6 MB in the beginning and 131.9 MB in the end (delta: -1.3 MB). Peak memory consumption was 25.8 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 51.48 ms. Allocated memory is still 157.3 MB. Free memory was 131.9 MB in the beginning and 129.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 30.22 ms. Allocated memory is still 157.3 MB. Free memory was 129.8 MB in the beginning and 128.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 536.18 ms. Allocated memory is still 157.3 MB. Free memory was 128.2 MB in the beginning and 104.1 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 9319.54 ms. Allocated memory was 157.3 MB in the beginning and 226.5 MB in the end (delta: 69.2 MB). Free memory was 103.6 MB in the beginning and 184.3 MB in the end (delta: -80.7 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 822 VarBasedMoverChecksPositive, 37 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 146 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 7.8s, 96 PlacesBefore, 35 PlacesAfterwards, 98 TransitionsBefore, 34 TransitionsAfterwards, 1376 CoEnabledTransitionPairs, 6 FixpointIterations, 40 TrivialSequentialCompositions, 26 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 12 ConcurrentYvCompositions, 3 ChoiceCompositions, 84 TotalNumberOfCompositions, 5213 MoverChecksTotal - PositiveResult [Line: 16]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 16]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 90 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.9s, HoareTripleCheckerStatistics: 129 SDtfs, 72 SDslu, 61 SDs, 0 SdLazy, 22 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=218occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 14 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 838 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 correct! Received shutdown request...