/usr/bin/java -Xmx16000000000 -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-Sleep-SemanticLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/dekker.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 20:00:51,059 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 20:00:51,060 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 20:00:51,093 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-12 20:00:51,094 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-12 20:00:51,096 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-12 20:00:51,099 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-12 20:00:51,104 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-12 20:00:51,106 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-12 20:00:51,110 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-12 20:00:51,111 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-12 20:00:51,112 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-12 20:00:51,113 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-12 20:00:51,114 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-12 20:00:51,115 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-12 20:00:51,117 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-12 20:00:51,119 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-12 20:00:51,120 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-12 20:00:51,122 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-12 20:00:51,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-12 20:00:51,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-12 20:00:51,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-12 20:00:51,134 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-12 20:00:51,135 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-12 20:00:51,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-12 20:00:51,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-12 20:00:51,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-12 20:00:51,148 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-12 20:00:51,152 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-Sleep-SemanticLbe-Delay.epf [2021-03-12 20:00:51,188 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 20:00:51,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 20:00:51,189 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 20:00:51,189 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 20:00:51,193 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 20:00:51,193 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 20:00:51,193 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 20:00:51,193 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 20:00:51,194 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 20:00:51,194 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 20:00:51,194 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 20:00:51,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 20:00:51,195 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 20:00:51,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 20:00:51,195 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 20:00:51,195 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 20:00:51,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 20:00:51,196 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 20:00:51,196 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 20:00:51,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 20:00:51,196 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 20:00:51,196 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 20:00:51,196 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 20:00:51,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 20:00:51,197 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 20:00:51,197 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 20:00:51,197 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 20:00:51,197 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 20:00:51,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 20:00:51,197 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 20:00:51,197 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 20:00:51,197 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-12 20:00:51,198 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 20:00:51,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 20:00:51,529 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 20:00:51,531 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 20:00:51,532 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-12 20:00:51,537 INFO L275 PluginConnector]: CDTParser initialized [2021-03-12 20:00:51,537 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/dekker.i [2021-03-12 20:00:51,853 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38c806c08/ee802d0c3624487d92473df3620e2190/FLAG7c38ac361 [2021-03-12 20:00:53,022 INFO L306 CDTParser]: Found 1 translation units. [2021-03-12 20:00:53,022 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/dekker.i [2021-03-12 20:00:53,037 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38c806c08/ee802d0c3624487d92473df3620e2190/FLAG7c38ac361 [2021-03-12 20:00:53,047 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38c806c08/ee802d0c3624487d92473df3620e2190 [2021-03-12 20:00:53,049 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 20:00:53,053 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-12 20:00:53,054 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-12 20:00:53,055 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-12 20:00:53,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-12 20:00:53,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 08:00:53" (1/1) ... [2021-03-12 20:00:53,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17fb7749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 08:00:53, skipping insertion in model container [2021-03-12 20:00:53,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 08:00:53" (1/1) ... [2021-03-12 20:00:53,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-12 20:00:53,095 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-12 20:00:53,224 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-03-12 20:00:53,338 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/dekker.i[31403,31416] [2021-03-12 20:00:53,354 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/dekker.i[32483,32496] [2021-03-12 20:00:53,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 20:00:53,368 INFO L203 MainTranslator]: Completed pre-run [2021-03-12 20:00:53,387 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-03-12 20:00:53,406 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/dekker.i[31403,31416] [2021-03-12 20:00:53,409 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/dekker.i[32483,32496] [2021-03-12 20:00:53,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 20:00:53,475 INFO L208 MainTranslator]: Completed translation [2021-03-12 20:00:53,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 08:00:53 WrapperNode [2021-03-12 20:00:53,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-12 20:00:53,477 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 20:00:53,477 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 20:00:53,477 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 20:00:53,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 08:00:53" (1/1) ... [2021-03-12 20:00:53,494 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 08:00:53" (1/1) ... [2021-03-12 20:00:53,508 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 20:00:53,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 20:00:53,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 20:00:53,509 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 20:00:53,515 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 08:00:53" (1/1) ... [2021-03-12 20:00:53,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 08:00:53" (1/1) ... [2021-03-12 20:00:53,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 08:00:53" (1/1) ... [2021-03-12 20:00:53,519 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 08:00:53" (1/1) ... [2021-03-12 20:00:53,523 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 08:00:53" (1/1) ... [2021-03-12 20:00:53,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 08:00:53" (1/1) ... [2021-03-12 20:00:53,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 08:00:53" (1/1) ... [2021-03-12 20:00:53,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 20:00:53,536 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 20:00:53,536 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 20:00:53,536 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 20:00:53,536 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 08:00:53" (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 [2021-03-12 20:00:53,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-12 20:00:53,606 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-03-12 20:00:53,606 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-03-12 20:00:53,606 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-03-12 20:00:53,606 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-03-12 20:00:53,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-12 20:00:53,606 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-12 20:00:53,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-12 20:00:53,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-12 20:00:53,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-12 20:00:53,607 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-12 20:00:53,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 20:00:53,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 20:00:53,608 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-12 20:00:53,908 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 20:00:53,909 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-12 20:00:53,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 08:00:53 BoogieIcfgContainer [2021-03-12 20:00:53,911 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 20:00:53,912 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 20:00:53,912 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 20:00:53,915 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 20:00:53,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.03 08:00:53" (1/3) ... [2021-03-12 20:00:53,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72728c39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 08:00:53, skipping insertion in model container [2021-03-12 20:00:53,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 08:00:53" (2/3) ... [2021-03-12 20:00:53,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72728c39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 08:00:53, skipping insertion in model container [2021-03-12 20:00:53,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 08:00:53" (3/3) ... [2021-03-12 20:00:53,917 INFO L111 eAbstractionObserver]: Analyzing ICFG dekker.i [2021-03-12 20:00:53,921 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 20:00:53,921 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 20:00:53,924 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-12 20:00:53,925 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 20:00:53,949 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,949 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,949 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,949 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,950 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,950 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,950 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,950 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,950 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,950 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,951 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,951 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,951 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,951 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,951 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,952 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,952 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,952 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,952 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,952 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,953 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,953 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,953 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,953 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,954 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,954 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,954 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,954 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,954 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,954 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,955 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,955 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,955 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,955 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,956 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,956 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,956 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,956 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,956 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,956 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,956 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,957 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,957 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,957 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,957 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,957 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,958 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,958 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,958 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,958 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,958 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,959 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,959 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,959 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,959 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,960 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,960 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,960 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,960 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,960 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,961 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,961 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,961 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,961 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,961 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,961 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,962 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,962 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,964 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,964 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,964 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,964 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,964 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,965 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,969 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,969 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,970 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,970 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,970 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,970 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 20:00:53,975 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-12 20:00:53,991 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-03-12 20:00:54,038 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 20:00:54,038 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 20:00:54,041 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 20:00:54,041 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 20:00:54,041 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 20:00:54,041 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 20:00:54,042 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 20:00:54,042 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 20:00:54,062 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-12 20:00:54,063 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 96 transitions, 214 flow [2021-03-12 20:00:54,065 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 96 transitions, 214 flow [2021-03-12 20:00:54,066 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 96 transitions, 214 flow [2021-03-12 20:00:54,118 INFO L129 PetriNetUnfolder]: 14/96 cut-off events. [2021-03-12 20:00:54,118 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-12 20:00:54,123 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 96 events. 14/96 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 160 event pairs, 0 based on Foata normal form. 0/81 useless extension candidates. Maximal degree in co-relation 63. Up to 3 conditions per place. [2021-03-12 20:00:54,131 INFO L116 LiptonReduction]: Number of co-enabled transitions 2028 [2021-03-12 20:00:56,043 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2021-03-12 20:00:56,296 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2021-03-12 20:00:56,698 INFO L131 LiptonReduction]: Checked pairs total: 7060 [2021-03-12 20:00:56,699 INFO L133 LiptonReduction]: Total number of compositions: 69 [2021-03-12 20:00:56,749 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 20:00:56,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 20:00:56,753 INFO L82 PathProgramCache]: Analyzing trace with hash -954801207, now seen corresponding path program 1 times [2021-03-12 20:00:56,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 20:00:56,766 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23032340] [2021-03-12 20:00:56,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 20:00:56,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 20:00:56,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 20:00:56,969 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23032340] [2021-03-12 20:00:56,970 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 20:00:56,970 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-12 20:00:56,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045607488] [2021-03-12 20:00:56,974 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 20:00:56,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 20:00:56,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 20:00:56,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 20:00:56,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 20:00:56,990 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 20:00:56,990 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2021-03-12 20:00:56,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 20:00:57,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 20:00:57,032 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 20:00:57,033 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 20:00:57,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 20:00:57,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1558974521, now seen corresponding path program 1 times [2021-03-12 20:00:57,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 20:00:57,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091698317] [2021-03-12 20:00:57,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 20:00:57,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 20:00:57,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 20:00:57,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091698317] [2021-03-12 20:00:57,123 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 20:00:57,123 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-12 20:00:57,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615873748] [2021-03-12 20:00:57,125 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-12 20:00:57,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 20:00:57,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-12 20:00:57,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-12 20:00:57,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 20:00:57,128 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 20:00:57,128 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2021-03-12 20:00:57,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 20:00:57,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 20:00:57,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 20:00:57,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 20:00:57,184 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-12 20:00:57,185 INFO L428 AbstractCegarLoop]: === Iteration 3 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 20:00:57,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 20:00:57,186 INFO L82 PathProgramCache]: Analyzing trace with hash -760744727, now seen corresponding path program 1 times [2021-03-12 20:00:57,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 20:00:57,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050060980] [2021-03-12 20:00:57,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 20:00:57,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 20:00:57,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 20:00:57,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050060980] [2021-03-12 20:00:57,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 20:00:57,247 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-12 20:00:57,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335142265] [2021-03-12 20:00:57,248 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 20:00:57,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 20:00:57,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 20:00:57,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 20:00:57,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 20:00:57,249 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 20:00:57,249 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-03-12 20:00:57,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 20:00:57,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 20:00:57,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 20:00:57,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 20:00:57,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 20:00:57,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 20:00:57,386 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-12 20:00:57,386 INFO L428 AbstractCegarLoop]: === Iteration 4 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 20:00:57,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 20:00:57,386 INFO L82 PathProgramCache]: Analyzing trace with hash 221399919, now seen corresponding path program 1 times [2021-03-12 20:00:57,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 20:00:57,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944039813] [2021-03-12 20:00:57,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 20:00:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 20:00:57,440 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-12 20:00:57,440 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944039813] [2021-03-12 20:00:57,440 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 20:00:57,440 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 20:00:57,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228599417] [2021-03-12 20:00:57,441 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-12 20:00:57,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 20:00:57,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-12 20:00:57,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-12 20:00:57,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 20:00:57,442 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 20:00:57,442 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 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) [2021-03-12 20:00:57,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 20:00:57,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 20:00:57,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 20:00:57,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 20:00:57,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 20:00:57,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 20:00:57,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 20:00:57,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 20:00:57,568 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-12 20:00:57,569 INFO L428 AbstractCegarLoop]: === Iteration 5 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 20:00:57,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 20:00:57,570 INFO L82 PathProgramCache]: Analyzing trace with hash 775843415, now seen corresponding path program 2 times [2021-03-12 20:00:57,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 20:00:57,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744014381] [2021-03-12 20:00:57,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 20:00:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 20:00:57,623 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-12 20:00:57,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744014381] [2021-03-12 20:00:57,624 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 20:00:57,624 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-12 20:00:57,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293964308] [2021-03-12 20:00:57,625 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-12 20:00:57,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 20:00:57,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-12 20:00:57,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-12 20:00:57,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 20:00:57,629 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 20:00:57,629 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 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) [2021-03-12 20:00:57,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 20:00:57,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 20:00:57,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 20:00:57,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 20:00:57,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 20:00:57,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 20:00:57,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 20:00:57,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 20:00:57,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 20:00:57,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 20:00:57,766 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-12 20:00:57,766 INFO L428 AbstractCegarLoop]: === Iteration 6 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 20:00:57,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 20:00:57,766 INFO L82 PathProgramCache]: Analyzing trace with hash 959273903, now seen corresponding path program 1 times [2021-03-12 20:00:57,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 20:00:57,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930522123] [2021-03-12 20:00:57,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 20:00:57,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 20:00:57,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 20:00:57,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930522123] [2021-03-12 20:00:57,806 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 20:00:57,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 20:00:57,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743382174] [2021-03-12 20:00:57,807 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-12 20:00:57,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 20:00:57,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-12 20:00:57,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-12 20:00:57,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 20:00:57,808 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 20:00:57,808 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-03-12 20:00:57,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 20:00:57,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 20:00:57,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 20:00:57,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 20:00:57,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 20:00:57,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 20:00:57,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 20:00:57,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 20:00:57,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 20:00:57,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 20:00:57,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 20:00:57,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 20:00:57,975 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-12 20:00:57,975 INFO L428 AbstractCegarLoop]: === Iteration 7 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 20:00:57,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 20:00:57,975 INFO L82 PathProgramCache]: Analyzing trace with hash 1098217236, now seen corresponding path program 1 times [2021-03-12 20:00:57,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 20:00:57,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754297635] [2021-03-12 20:00:57,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 20:00:57,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 20:00:58,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 20:00:58,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754297635] [2021-03-12 20:00:58,003 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 20:00:58,003 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-12 20:00:58,003 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470790704] [2021-03-12 20:00:58,004 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-12 20:00:58,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 20:00:58,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-12 20:00:58,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-12 20:00:58,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 20:00:58,005 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 20:00:58,005 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2021-03-12 20:00:58,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 20:00:58,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 20:00:58,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 20:00:58,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 20:00:58,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 20:00:58,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 20:00:58,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 20:00:58,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 20:00:58,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 20:00:58,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 20:00:58,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 20:00:58,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 20:00:58,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 20:00:58,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 20:00:58,236 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-12 20:00:58,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 08:00:58 BasicIcfg [2021-03-12 20:00:58,242 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 20:00:58,243 INFO L168 Benchmark]: Toolchain (without parser) took 5193.08 ms. Allocated memory was 255.9 MB in the beginning and 482.3 MB in the end (delta: 226.5 MB). Free memory was 234.8 MB in the beginning and 426.7 MB in the end (delta: -191.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 16.0 GB. [2021-03-12 20:00:58,244 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 255.9 MB. Free memory is still 237.9 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 20:00:58,244 INFO L168 Benchmark]: CACSL2BoogieTranslator took 421.54 ms. Allocated memory was 255.9 MB in the beginning and 400.6 MB in the end (delta: 144.7 MB). Free memory was 234.4 MB in the beginning and 363.6 MB in the end (delta: -129.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-03-12 20:00:58,244 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.67 ms. Allocated memory is still 400.6 MB. Free memory was 363.2 MB in the beginning and 361.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 20:00:58,245 INFO L168 Benchmark]: Boogie Preprocessor took 26.06 ms. Allocated memory is still 400.6 MB. Free memory was 361.5 MB in the beginning and 360.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 20:00:58,245 INFO L168 Benchmark]: RCFGBuilder took 375.27 ms. Allocated memory is still 400.6 MB. Free memory was 359.9 MB in the beginning and 336.8 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-03-12 20:00:58,245 INFO L168 Benchmark]: TraceAbstraction took 4330.25 ms. Allocated memory was 400.6 MB in the beginning and 482.3 MB in the end (delta: 81.8 MB). Free memory was 336.4 MB in the beginning and 426.7 MB in the end (delta: -90.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 20:00:58,247 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 255.9 MB. Free memory is still 237.9 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 421.54 ms. Allocated memory was 255.9 MB in the beginning and 400.6 MB in the end (delta: 144.7 MB). Free memory was 234.4 MB in the beginning and 363.6 MB in the end (delta: -129.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 31.67 ms. Allocated memory is still 400.6 MB. Free memory was 363.2 MB in the beginning and 361.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 26.06 ms. Allocated memory is still 400.6 MB. Free memory was 361.5 MB in the beginning and 360.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 375.27 ms. Allocated memory is still 400.6 MB. Free memory was 359.9 MB in the beginning and 336.8 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 4330.25 ms. Allocated memory was 400.6 MB in the beginning and 482.3 MB in the end (delta: 81.8 MB). Free memory was 336.4 MB in the beginning and 426.7 MB in the end (delta: -90.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2633.7ms, 88 PlacesBefore, 42 PlacesAfterwards, 96 TransitionsBefore, 44 TransitionsAfterwards, 2028 CoEnabledTransitionPairs, 6 FixpointIterations, 26 TrivialSequentialCompositions, 23 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 12 ConcurrentYvCompositions, 6 ChoiceCompositions, 69 TotalNumberOfCompositions, 7060 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3699, positive: 3480, positive conditional: 0, positive unconditional: 3480, negative: 219, negative conditional: 0, negative unconditional: 219, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1337, positive: 1291, positive conditional: 0, positive unconditional: 1291, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1337, positive: 1264, positive conditional: 0, positive unconditional: 1264, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 73, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 187, positive: 63, positive conditional: 0, positive unconditional: 63, negative: 123, negative conditional: 0, negative unconditional: 123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3699, positive: 2189, positive conditional: 0, positive unconditional: 2189, negative: 173, negative conditional: 0, negative unconditional: 173, unknown: 1337, unknown conditional: 0, unknown unconditional: 1337] , Statistics on independence cache: Total cache size (in pairs): 284, Positive cache size: 256, Positive conditional cache size: 0, Positive unconditional cache size: 256, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7865, positive: 4986, positive conditional: 4986, positive unconditional: 0, negative: 2879, negative conditional: 2879, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 5222, positive: 4986, positive conditional: 4986, positive unconditional: 0, negative: 236, negative conditional: 236, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 5222, positive: 4824, positive conditional: 0, positive unconditional: 4824, negative: 398, negative conditional: 0, negative unconditional: 398, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 450, positive: 408, positive conditional: 0, positive unconditional: 408, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 450, positive: 390, positive conditional: 0, positive unconditional: 390, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 60, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 134, positive: 41, positive conditional: 23, positive unconditional: 18, negative: 93, negative conditional: 51, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 367, positive: 125, positive conditional: 74, positive unconditional: 51, negative: 242, negative conditional: 154, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5222, positive: 4416, positive conditional: 0, positive unconditional: 4416, negative: 356, negative conditional: 0, negative unconditional: 356, unknown: 450, unknown conditional: 0, unknown unconditional: 450] , Statistics on independence cache: Total cache size (in pairs): 524, Positive cache size: 431, Positive conditional cache size: 23, Positive unconditional cache size: 408, Negative cache size: 93, Negative conditional cache size: 51, Negative unconditional cache size: 42, SemanticConditionEliminator.Independence Queries: [ total: 1844, positive: 162, positive conditional: 162, positive unconditional: 0, negative: 1682, negative conditional: 364, negative unconditional: 1318, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1844, positive: 162, positive conditional: 162, positive unconditional: 0, negative: 1682, negative conditional: 364, negative unconditional: 1318, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 134, positive: 41, positive conditional: 23, positive unconditional: 18, negative: 93, negative conditional: 51, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 367, positive: 125, positive conditional: 74, positive unconditional: 51, negative: 242, negative conditional: 154, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1844, positive: 139, positive conditional: 139, positive unconditional: 0, negative: 1631, negative conditional: 313, negative unconditional: 1318, unknown: 74, unknown conditional: 74, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 524, Positive cache size: 431, Positive conditional cache size: 23, Positive unconditional cache size: 408, Negative cache size: 93, Negative conditional cache size: 51, Negative unconditional cache size: 42, Eliminated conditions: 1318, SemanticConditionEliminator.Independence Queries: [ total: 1844, positive: 162, positive conditional: 162, positive unconditional: 0, negative: 1682, negative conditional: 364, negative unconditional: 1318, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1844, positive: 162, positive conditional: 162, positive unconditional: 0, negative: 1682, negative conditional: 364, negative unconditional: 1318, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 134, positive: 41, positive conditional: 23, positive unconditional: 18, negative: 93, negative conditional: 51, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 367, positive: 125, positive conditional: 74, positive unconditional: 51, negative: 242, negative conditional: 154, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1844, positive: 139, positive conditional: 139, positive unconditional: 0, negative: 1631, negative conditional: 313, negative unconditional: 1318, unknown: 74, unknown conditional: 74, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 524, Positive cache size: 431, Positive conditional cache size: 23, Positive unconditional cache size: 408, Negative cache size: 93, Negative conditional cache size: 51, Negative unconditional cache size: 42, Eliminated conditions: 1318, SemanticConditionEliminator.Independence Queries: [ total: 1844, positive: 162, positive conditional: 162, positive unconditional: 0, negative: 1682, negative conditional: 364, negative unconditional: 1318, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1844, positive: 162, positive conditional: 162, positive unconditional: 0, negative: 1682, negative conditional: 364, negative unconditional: 1318, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 134, positive: 41, positive conditional: 23, positive unconditional: 18, negative: 93, negative conditional: 51, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 367, positive: 125, positive conditional: 74, positive unconditional: 51, negative: 242, negative conditional: 154, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1844, positive: 139, positive conditional: 139, positive unconditional: 0, negative: 1631, negative conditional: 313, negative unconditional: 1318, unknown: 74, unknown conditional: 74, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 524, Positive cache size: 431, Positive conditional cache size: 23, Positive unconditional cache size: 408, Negative cache size: 93, Negative conditional cache size: 51, Negative unconditional cache size: 42, Eliminated conditions: 1318, SemanticConditionEliminator.Independence Queries: [ total: 1844, positive: 162, positive conditional: 162, positive unconditional: 0, negative: 1682, negative conditional: 364, negative unconditional: 1318, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1844, positive: 162, positive conditional: 162, positive unconditional: 0, negative: 1682, negative conditional: 364, negative unconditional: 1318, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 134, positive: 41, positive conditional: 23, positive unconditional: 18, negative: 93, negative conditional: 51, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 367, positive: 125, positive conditional: 74, positive unconditional: 51, negative: 242, negative conditional: 154, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1844, positive: 139, positive conditional: 139, positive unconditional: 0, negative: 1631, negative conditional: 313, negative unconditional: 1318, unknown: 74, unknown conditional: 74, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 524, Positive cache size: 431, Positive conditional cache size: 23, Positive unconditional cache size: 408, Negative cache size: 93, Negative conditional cache size: 51, Negative unconditional cache size: 42, Eliminated conditions: 1318, SemanticConditionEliminator.Independence Queries: [ total: 1844, positive: 162, positive conditional: 162, positive unconditional: 0, negative: 1682, negative conditional: 364, negative unconditional: 1318, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1844, positive: 162, positive conditional: 162, positive unconditional: 0, negative: 1682, negative conditional: 364, negative unconditional: 1318, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 134, positive: 41, positive conditional: 23, positive unconditional: 18, negative: 93, negative conditional: 51, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 367, positive: 125, positive conditional: 74, positive unconditional: 51, negative: 242, negative conditional: 154, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1844, positive: 139, positive conditional: 139, positive unconditional: 0, negative: 1631, negative conditional: 313, negative unconditional: 1318, unknown: 74, unknown conditional: 74, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 524, Positive cache size: 431, Positive conditional cache size: 23, Positive unconditional cache size: 408, Negative cache size: 93, Negative conditional cache size: 51, Negative unconditional cache size: 42, Eliminated conditions: 1318, SemanticConditionEliminator.Independence Queries: [ total: 1844, positive: 162, positive conditional: 162, positive unconditional: 0, negative: 1682, negative conditional: 364, negative unconditional: 1318, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1844, positive: 162, positive conditional: 162, positive unconditional: 0, negative: 1682, negative conditional: 364, negative unconditional: 1318, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 134, positive: 41, positive conditional: 23, positive unconditional: 18, negative: 93, negative conditional: 51, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 367, positive: 125, positive conditional: 74, positive unconditional: 51, negative: 242, negative conditional: 154, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1844, positive: 139, positive conditional: 139, positive unconditional: 0, negative: 1631, negative conditional: 313, negative unconditional: 1318, unknown: 74, unknown conditional: 74, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 524, Positive cache size: 431, Positive conditional cache size: 23, Positive unconditional cache size: 408, Negative cache size: 93, Negative conditional cache size: 51, Negative unconditional cache size: 42, Eliminated conditions: 1318, SemanticConditionEliminator.Independence Queries: [ total: 1844, positive: 162, positive conditional: 162, positive unconditional: 0, negative: 1682, negative conditional: 364, negative unconditional: 1318, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1844, positive: 162, positive conditional: 162, positive unconditional: 0, negative: 1682, negative conditional: 364, negative unconditional: 1318, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 134, positive: 41, positive conditional: 23, positive unconditional: 18, negative: 93, negative conditional: 51, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 367, positive: 125, positive conditional: 74, positive unconditional: 51, negative: 242, negative conditional: 154, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1844, positive: 139, positive conditional: 139, positive unconditional: 0, negative: 1631, negative conditional: 313, negative unconditional: 1318, unknown: 74, unknown conditional: 74, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 524, Positive cache size: 431, Positive conditional cache size: 23, Positive unconditional cache size: 408, Negative cache size: 93, Negative conditional cache size: 51, Negative unconditional cache size: 42, Eliminated conditions: 1318 ], Maximal queried relation: 7, Independence queries for same thread: 2643 - PositiveResult [Line: 780]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 739]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 82 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4233.3ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2664.7ms, PartialOrderReductionTime: 930.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 18.8ms SsaConstructionTime, 93.9ms SatisfiabilityAnalysisTime, 281.7ms InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 179 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 11/11 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...