/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-FA-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-1_1-join.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 11:37:29,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 11:37:29,008 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 11:37:29,043 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 11:37:29,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 11:37:29,046 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 11:37:29,049 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 11:37:29,054 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 11:37:29,056 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 11:37:29,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 11:37:29,061 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 11:37:29,062 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 11:37:29,063 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 11:37:29,065 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 11:37:29,066 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 11:37:29,067 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 11:37:29,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 11:37:29,068 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 11:37:29,070 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 11:37:29,071 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 11:37:29,072 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 11:37:29,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 11:37:29,074 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 11:37:29,075 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 11:37:29,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-11 11:37:29,080 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-11 11:37:29,080 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-11 11:37:29,081 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-11 11:37:29,081 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-11 11:37:29,082 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-11 11:37:29,082 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-11 11:37:29,083 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-11 11:37:29,083 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-11 11:37:29,084 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 11:37:29,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 11:37:29,085 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 11:37:29,089 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf [2021-03-11 11:37:29,118 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 11:37:29,118 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 11:37:29,121 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 11:37:29,121 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 11:37:29,122 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 11:37:29,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 11:37:29,122 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 11:37:29,122 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 11:37:29,122 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 11:37:29,122 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 11:37:29,123 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 11:37:29,123 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 11:37:29,123 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 11:37:29,123 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 11:37:29,124 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 11:37:29,124 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 11:37:29,124 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 11:37:29,124 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 11:37:29,124 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 11:37:29,124 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 11:37:29,124 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 11:37:29,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 11:37:29,125 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 11:37:29,125 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 11:37:29,125 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 11:37:29,125 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 11:37:29,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 11:37:29,125 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-11 11:37:29,126 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 11:37:29,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 11:37:29,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 11:37:29,480 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 11:37:29,480 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-11 11:37:29,481 INFO L275 PluginConnector]: CDTParser initialized [2021-03-11 11:37:29,482 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_1-join.i [2021-03-11 11:37:29,539 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1477cb110/71d5444a054b48909019deb6251aa22d/FLAG43138daaa [2021-03-11 11:37:30,031 INFO L306 CDTParser]: Found 1 translation units. [2021-03-11 11:37:30,031 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_1-join.i [2021-03-11 11:37:30,053 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1477cb110/71d5444a054b48909019deb6251aa22d/FLAG43138daaa [2021-03-11 11:37:30,515 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1477cb110/71d5444a054b48909019deb6251aa22d [2021-03-11 11:37:30,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 11:37:30,524 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-11 11:37:30,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-11 11:37:30,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-11 11:37:30,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-11 11:37:30,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 11:37:30" (1/1) ... [2021-03-11 11:37:30,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a38f761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:37:30, skipping insertion in model container [2021-03-11 11:37:30,533 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 11:37:30" (1/1) ... [2021-03-11 11:37:30,538 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-11 11:37:30,589 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-11 11:37:31,067 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_1-join.i[76068,76081] [2021-03-11 11:37:31,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 11:37:31,085 INFO L203 MainTranslator]: Completed pre-run [2021-03-11 11:37:31,121 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_1-join.i[76068,76081] [2021-03-11 11:37:31,126 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 11:37:31,379 INFO L208 MainTranslator]: Completed translation [2021-03-11 11:37:31,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:37:31 WrapperNode [2021-03-11 11:37:31,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-11 11:37:31,383 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 11:37:31,383 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 11:37:31,384 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 11:37:31,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:37:31" (1/1) ... [2021-03-11 11:37:31,430 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:37:31" (1/1) ... [2021-03-11 11:37:31,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 11:37:31,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 11:37:31,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 11:37:31,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 11:37:31,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:37:31" (1/1) ... [2021-03-11 11:37:31,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:37:31" (1/1) ... [2021-03-11 11:37:31,475 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:37:31" (1/1) ... [2021-03-11 11:37:31,475 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:37:31" (1/1) ... [2021-03-11 11:37:31,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:37:31" (1/1) ... [2021-03-11 11:37:31,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:37:31" (1/1) ... [2021-03-11 11:37:31,489 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:37:31" (1/1) ... [2021-03-11 11:37:31,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 11:37:31,495 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 11:37:31,495 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 11:37:31,495 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 11:37:31,496 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:37:31" (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 [2021-03-11 11:37:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-11 11:37:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-11 11:37:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-03-11 11:37:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-03-11 11:37:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 11:37:31,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 11:37:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-11 11:37:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-11 11:37:31,565 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-11 11:37:31,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-11 11:37:31,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-11 11:37:31,566 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-11 11:37:32,100 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 11:37:32,101 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-03-11 11:37:32,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 11:37:32 BoogieIcfgContainer [2021-03-11 11:37:32,102 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 11:37:32,103 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 11:37:32,103 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 11:37:32,106 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 11:37:32,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 11:37:30" (1/3) ... [2021-03-11 11:37:32,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1464f1c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 11:37:32, skipping insertion in model container [2021-03-11 11:37:32,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:37:31" (2/3) ... [2021-03-11 11:37:32,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1464f1c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 11:37:32, skipping insertion in model container [2021-03-11 11:37:32,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 11:37:32" (3/3) ... [2021-03-11 11:37:32,108 INFO L111 eAbstractionObserver]: Analyzing ICFG race-1_1-join.i [2021-03-11 11:37:32,115 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-11 11:37:32,115 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 11:37:32,119 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2021-03-11 11:37:32,119 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 11:37:32,149 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:37:32,149 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:37:32,150 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:37:32,150 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:37:32,150 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:37:32,150 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:37:32,151 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:37:32,151 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:37:32,151 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:37:32,151 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:37:32,151 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:37:32,151 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:37:32,152 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:37:32,152 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:37:32,152 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:37:32,152 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:37:32,152 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:37:32,153 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:37:32,153 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:37:32,153 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:37:32,153 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:37:32,153 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:37:32,153 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:37:32,153 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:37:32,154 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:37:32,154 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:37:32,154 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:37:32,154 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:37:32,156 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:37:32,156 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:37:32,157 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:37:32,157 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:37:32,157 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:37:32,157 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:37:32,157 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:37:32,163 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-03-11 11:37:32,177 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-11 11:37:32,203 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 11:37:32,204 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-11 11:37:32,204 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 11:37:32,204 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 11:37:32,204 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 11:37:32,205 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 11:37:32,205 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 11:37:32,205 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 11:37:32,220 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-11 11:37:32,240 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 92 transitions, 192 flow [2021-03-11 11:37:32,243 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 92 transitions, 192 flow [2021-03-11 11:37:32,244 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 92 transitions, 192 flow [2021-03-11 11:37:32,287 INFO L129 PetriNetUnfolder]: 5/103 cut-off events. [2021-03-11 11:37:32,288 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-11 11:37:32,291 INFO L84 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 103 events. 5/103 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 178 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 58. Up to 3 conditions per place. [2021-03-11 11:37:32,295 INFO L116 LiptonReduction]: Number of co-enabled transitions 420 [2021-03-11 11:37:34,582 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2021-03-11 11:37:34,800 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2021-03-11 11:37:35,297 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-03-11 11:37:36,145 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-03-11 11:37:36,278 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-03-11 11:37:36,400 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-03-11 11:37:36,547 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2021-03-11 11:37:36,680 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2021-03-11 11:37:36,833 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-03-11 11:37:36,977 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-03-11 11:37:36,983 INFO L131 LiptonReduction]: Checked pairs total: 370 [2021-03-11 11:37:36,983 INFO L133 LiptonReduction]: Total number of compositions: 118 [2021-03-11 11:37:37,000 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 16 places, 14 transitions, 36 flow [2021-03-11 11:37:37,006 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 21 states, 13 states have (on average 2.076923076923077) internal successors, (27), 20 states have internal predecessors, (27), 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) [2021-03-11 11:37:37,007 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 13 states have (on average 2.076923076923077) internal successors, (27), 20 states have internal predecessors, (27), 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) [2021-03-11 11:37:37,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2021-03-11 11:37:37,010 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:37:37,010 INFO L519 BasicCegarLoop]: trace histogram [1] [2021-03-11 11:37:37,011 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:37:37,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:37:37,014 INFO L82 PathProgramCache]: Analyzing trace with hash 383, now seen corresponding path program 1 times [2021-03-11 11:37:37,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:37:37,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531258876] [2021-03-11 11:37:37,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:37:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:37:37,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:37:37,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531258876] [2021-03-11 11:37:37,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:37:37,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2021-03-11 11:37:37,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516786357] [2021-03-11 11:37:37,215 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-03-11 11:37:37,216 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:37:37,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-03-11 11:37:37,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-03-11 11:37:37,227 INFO L87 Difference]: Start difference. First operand has 21 states, 13 states have (on average 2.076923076923077) internal successors, (27), 20 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2021-03-11 11:37:37,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:37:37,235 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2021-03-11 11:37:37,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-11 11:37:37,236 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2021-03-11 11:37:37,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:37:37,240 INFO L225 Difference]: With dead ends: 14 [2021-03-11 11:37:37,240 INFO L226 Difference]: Without dead ends: 0 [2021-03-11 11:37:37,241 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-03-11 11:37:37,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-03-11 11:37:37,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-03-11 11:37:37,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-03-11 11:37:37,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-03-11 11:37:37,259 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1 [2021-03-11 11:37:37,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:37:37,260 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-03-11 11:37:37,263 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2021-03-11 11:37:37,263 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-03-11 11:37:37,263 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-03-11 11:37:37,263 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-11 11:37:37,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 11:37:37 BasicIcfg [2021-03-11 11:37:37,273 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-11 11:37:37,275 INFO L168 Benchmark]: Toolchain (without parser) took 6755.57 ms. Allocated memory was 255.9 MB in the beginning and 427.8 MB in the end (delta: 172.0 MB). Free memory was 232.1 MB in the beginning and 280.0 MB in the end (delta: -47.9 MB). Peak memory consumption was 124.5 MB. Max. memory is 16.0 GB. [2021-03-11 11:37:37,275 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory is still 237.7 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 11:37:37,276 INFO L168 Benchmark]: CACSL2BoogieTranslator took 854.54 ms. Allocated memory was 255.9 MB in the beginning and 356.5 MB in the end (delta: 100.7 MB). Free memory was 231.2 MB in the beginning and 299.4 MB in the end (delta: -68.2 MB). Peak memory consumption was 54.0 MB. Max. memory is 16.0 GB. [2021-03-11 11:37:37,276 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.92 ms. Allocated memory is still 356.5 MB. Free memory was 299.4 MB in the beginning and 296.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-11 11:37:37,277 INFO L168 Benchmark]: Boogie Preprocessor took 28.53 ms. Allocated memory is still 356.5 MB. Free memory was 296.2 MB in the beginning and 294.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 11:37:37,277 INFO L168 Benchmark]: RCFGBuilder took 607.56 ms. Allocated memory is still 356.5 MB. Free memory was 294.1 MB in the beginning and 319.2 MB in the end (delta: -25.1 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2021-03-11 11:37:37,278 INFO L168 Benchmark]: TraceAbstraction took 5170.13 ms. Allocated memory was 356.5 MB in the beginning and 427.8 MB in the end (delta: 71.3 MB). Free memory was 318.2 MB in the beginning and 280.0 MB in the end (delta: 38.1 MB). Peak memory consumption was 109.3 MB. Max. memory is 16.0 GB. [2021-03-11 11:37:37,280 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory is still 237.7 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 854.54 ms. Allocated memory was 255.9 MB in the beginning and 356.5 MB in the end (delta: 100.7 MB). Free memory was 231.2 MB in the beginning and 299.4 MB in the end (delta: -68.2 MB). Peak memory consumption was 54.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 81.92 ms. Allocated memory is still 356.5 MB. Free memory was 299.4 MB in the beginning and 296.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 28.53 ms. Allocated memory is still 356.5 MB. Free memory was 296.2 MB in the beginning and 294.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 607.56 ms. Allocated memory is still 356.5 MB. Free memory was 294.1 MB in the beginning and 319.2 MB in the end (delta: -25.1 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 5170.13 ms. Allocated memory was 356.5 MB in the beginning and 427.8 MB in the end (delta: 71.3 MB). Free memory was 318.2 MB in the beginning and 280.0 MB in the end (delta: 38.1 MB). Peak memory consumption was 109.3 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4740.5ms, 90 PlacesBefore, 16 PlacesAfterwards, 92 TransitionsBefore, 14 TransitionsAfterwards, 420 CoEnabledTransitionPairs, 7 FixpointIterations, 74 TrivialSequentialCompositions, 26 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 8 ConcurrentYvCompositions, 4 ChoiceCompositions, 118 TotalNumberOfCompositions, 370 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 370, positive: 370, positive conditional: 0, positive unconditional: 370, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 294, positive: 294, positive conditional: 0, positive unconditional: 294, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 294, positive: 294, positive conditional: 0, positive unconditional: 294, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 370, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 294, unknown conditional: 0, unknown unconditional: 294] , Statistics on independence cache: Total cache size (in pairs): 5, Positive cache size: 5, Positive conditional cache size: 0, Positive unconditional cache size: 5, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: 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 4 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 87 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5069.5ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 4.3ms, AutomataDifference: 25.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 4800.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 9 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 6.5ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 3.1ms SsaConstructionTime, 24.1ms SatisfiabilityAnalysisTime, 40.1ms InterpolantComputationTime, 1 NumberOfCodeBlocks, 1 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...