/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf -i ../../../trunk/examples/svcomp/ldv-races/race-1_1-join.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7a177ad [2020-11-09 17:17:04,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-09 17:17:04,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-09 17:17:04,528 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-09 17:17:04,529 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-09 17:17:04,530 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-09 17:17:04,532 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-09 17:17:04,535 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-09 17:17:04,537 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-09 17:17:04,538 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-09 17:17:04,539 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-09 17:17:04,541 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-09 17:17:04,541 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-09 17:17:04,543 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-09 17:17:04,544 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-09 17:17:04,546 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-09 17:17:04,547 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-09 17:17:04,548 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-09 17:17:04,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-09 17:17:04,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-09 17:17:04,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-09 17:17:04,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-09 17:17:04,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-09 17:17:04,559 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-09 17:17:04,569 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-09 17:17:04,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-09 17:17:04,576 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-09 17:17:04,578 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-09 17:17:04,581 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-09 17:17:04,582 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-09 17:17:04,583 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-09 17:17:04,584 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-09 17:17:04,586 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-09 17:17:04,587 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-09 17:17:04,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-09 17:17:04,592 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-09 17:17:04,593 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-09 17:17:04,594 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-09 17:17:04,594 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-09 17:17:04,595 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-09 17:17:04,596 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-09 17:17:04,597 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf [2020-11-09 17:17:04,653 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-09 17:17:04,655 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-09 17:17:04,658 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-09 17:17:04,659 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-09 17:17:04,661 INFO L138 SettingsManager]: * Use SBE=true [2020-11-09 17:17:04,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-09 17:17:04,661 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-09 17:17:04,661 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-09 17:17:04,662 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-09 17:17:04,662 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-09 17:17:04,663 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-09 17:17:04,663 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-09 17:17:04,664 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-09 17:17:04,664 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-09 17:17:04,664 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-09 17:17:04,664 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-09 17:17:04,664 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-09 17:17:04,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-09 17:17:04,665 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-09 17:17:04,665 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-09 17:17:04,665 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-09 17:17:04,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 17:17:04,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-09 17:17:04,666 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-11-09 17:17:04,666 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-09 17:17:04,666 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-09 17:17:04,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-09 17:17:04,667 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-11-09 17:17:04,667 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-11-09 17:17:04,667 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-09 17:17:04,667 INFO L138 SettingsManager]: * Interpolant automaton=MCR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-09 17:17:05,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-09 17:17:05,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-09 17:17:05,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-09 17:17:05,159 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-09 17:17:05,160 INFO L275 PluginConnector]: CDTParser initialized [2020-11-09 17:17:05,161 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_1-join.i [2020-11-09 17:17:05,254 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3db51fb21/6cfefa9c7eb54c7596a8fc09219b6977/FLAGe6016d786 [2020-11-09 17:17:06,107 INFO L306 CDTParser]: Found 1 translation units. [2020-11-09 17:17:06,107 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_1-join.i [2020-11-09 17:17:06,136 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3db51fb21/6cfefa9c7eb54c7596a8fc09219b6977/FLAGe6016d786 [2020-11-09 17:17:06,242 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3db51fb21/6cfefa9c7eb54c7596a8fc09219b6977 [2020-11-09 17:17:06,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-09 17:17:06,254 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-09 17:17:06,259 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-09 17:17:06,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-09 17:17:06,264 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-09 17:17:06,265 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:17:06" (1/1) ... [2020-11-09 17:17:06,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71a7a8ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:06, skipping insertion in model container [2020-11-09 17:17:06,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:17:06" (1/1) ... [2020-11-09 17:17:06,281 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-09 17:17:06,368 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-09 17:17:07,661 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 17:17:07,681 INFO L203 MainTranslator]: Completed pre-run [2020-11-09 17:17:07,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 17:17:08,249 INFO L208 MainTranslator]: Completed translation [2020-11-09 17:17:08,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:08 WrapperNode [2020-11-09 17:17:08,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-09 17:17:08,253 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-09 17:17:08,253 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-09 17:17:08,253 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-09 17:17:08,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:08" (1/1) ... [2020-11-09 17:17:08,297 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:08" (1/1) ... [2020-11-09 17:17:08,346 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-09 17:17:08,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-09 17:17:08,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-09 17:17:08,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-09 17:17:08,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:08" (1/1) ... [2020-11-09 17:17:08,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:08" (1/1) ... [2020-11-09 17:17:08,368 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:08" (1/1) ... [2020-11-09 17:17:08,368 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:08" (1/1) ... [2020-11-09 17:17:08,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:08" (1/1) ... [2020-11-09 17:17:08,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:08" (1/1) ... [2020-11-09 17:17:08,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:08" (1/1) ... [2020-11-09 17:17:08,398 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-09 17:17:08,399 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-09 17:17:08,399 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-09 17:17:08,399 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-09 17:17:08,400 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 17:17:08,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-09 17:17:08,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-09 17:17:08,477 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-11-09 17:17:08,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-09 17:17:08,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-09 17:17:08,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-09 17:17:08,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-09 17:17:08,480 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-11-09 17:17:08,481 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-11-09 17:17:08,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-09 17:17:08,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-09 17:17:08,483 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-09 17:17:09,176 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-09 17:17:09,177 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-11-09 17:17:09,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:17:09 BoogieIcfgContainer [2020-11-09 17:17:09,179 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-09 17:17:09,181 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-09 17:17:09,181 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-09 17:17:09,185 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-09 17:17:09,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:17:06" (1/3) ... [2020-11-09 17:17:09,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7936bf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:17:09, skipping insertion in model container [2020-11-09 17:17:09,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:08" (2/3) ... [2020-11-09 17:17:09,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7936bf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:17:09, skipping insertion in model container [2020-11-09 17:17:09,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:17:09" (3/3) ... [2020-11-09 17:17:09,188 INFO L111 eAbstractionObserver]: Analyzing ICFG race-1_1-join.i [2020-11-09 17:17:09,205 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-09 17:17:09,205 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-09 17:17:09,210 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-11-09 17:17:09,211 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-09 17:17:09,244 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:17:09,245 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:17:09,245 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:17:09,245 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:17:09,246 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:17:09,246 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:17:09,246 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:17:09,246 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:17:09,247 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:17:09,247 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:17:09,247 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:17:09,247 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:17:09,248 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:17:09,248 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:17:09,248 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:17:09,248 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:17:09,248 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:17:09,249 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:17:09,249 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:17:09,249 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:17:09,249 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:17:09,249 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:17:09,250 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:17:09,250 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:17:09,250 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_reach_error_#t~nondet32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:17:09,250 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_reach_error_#t~nondet32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:17:09,250 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_reach_error_#t~nondet32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:17:09,251 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_reach_error_#t~nondet32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:17:09,251 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:17:09,251 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:17:09,251 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:17:09,252 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:17:09,252 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_reach_error_#t~nondet32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:17:09,252 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_reach_error_#t~nondet32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:17:09,252 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_reach_error_#t~nondet32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:17:09,253 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_reach_error_#t~nondet32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:17:09,255 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:17:09,255 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:17:09,255 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:17:09,256 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:17:09,256 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:17:09,256 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:17:09,256 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_reach_error_#t~nondet32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:17:09,257 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_reach_error_#t~nondet32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:17:09,257 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:17:09,267 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2020-11-09 17:17:09,280 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-11-09 17:17:09,304 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 17:17:09,304 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 17:17:09,305 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 17:17:09,305 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-11-09 17:17:09,305 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 17:17:09,305 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 17:17:09,305 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 17:17:09,305 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 17:17:09,320 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 17:17:09,321 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 108 transitions, 224 flow [2020-11-09 17:17:09,325 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 108 transitions, 224 flow [2020-11-09 17:17:09,327 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 108 transitions, 224 flow [2020-11-09 17:17:09,409 INFO L129 PetriNetUnfolder]: 9/119 cut-off events. [2020-11-09 17:17:09,410 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-11-09 17:17:09,423 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 119 events. 9/119 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 243 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 66. Up to 3 conditions per place. [2020-11-09 17:17:09,427 INFO L116 LiptonReduction]: Number of co-enabled transitions 532 [2020-11-09 17:17:13,577 WARN L194 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2020-11-09 17:17:13,916 WARN L194 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2020-11-09 17:17:14,024 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-11-09 17:17:14,565 WARN L194 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-11-09 17:17:14,692 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-11-09 17:17:14,830 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-11-09 17:17:14,957 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-11-09 17:17:15,181 WARN L194 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-11-09 17:17:15,387 WARN L194 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-11-09 17:17:15,824 WARN L194 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2020-11-09 17:17:16,032 WARN L194 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-11-09 17:17:16,534 WARN L194 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 116 [2020-11-09 17:17:16,745 WARN L194 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-11-09 17:17:17,266 WARN L194 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 131 [2020-11-09 17:17:17,506 WARN L194 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-11-09 17:17:17,764 WARN L194 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-11-09 17:17:18,031 WARN L194 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-11-09 17:17:18,613 WARN L194 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 133 [2020-11-09 17:17:18,884 WARN L194 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-11-09 17:17:18,887 INFO L131 LiptonReduction]: Checked pairs total: 456 [2020-11-09 17:17:18,888 INFO L133 LiptonReduction]: Total number of compositions: 145 [2020-11-09 17:17:18,896 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 16 places, 14 transitions, 36 flow [2020-11-09 17:17:18,904 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 21 states. [2020-11-09 17:17:18,907 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-11-09 17:17:18,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-11-09 17:17:18,912 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:17:18,913 INFO L422 BasicCegarLoop]: trace histogram [1] [2020-11-09 17:17:18,913 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:17:18,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:17:18,920 INFO L82 PathProgramCache]: Analyzing trace with hash 456, now seen corresponding path program 1 times [2020-11-09 17:17:18,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:17:18,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116658065] [2020-11-09 17:17:18,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:17:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:17:19,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:17:19,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116658065] [2020-11-09 17:17:19,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:17:19,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-11-09 17:17:19,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [424770323] [2020-11-09 17:17:19,211 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:17:19,213 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:17:19,221 INFO L252 McrAutomatonBuilder]: Finished intersection with 2 states and 1 transitions. [2020-11-09 17:17:19,222 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:17:19,226 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:17:19,227 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-09 17:17:19,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:17:19,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-09 17:17:19,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-09 17:17:19,248 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 2 states. [2020-11-09 17:17:19,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:17:19,256 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2020-11-09 17:17:19,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-09 17:17:19,257 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-11-09 17:17:19,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:17:19,263 INFO L225 Difference]: With dead ends: 14 [2020-11-09 17:17:19,264 INFO L226 Difference]: Without dead ends: 0 [2020-11-09 17:17:19,265 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-09 17:17:19,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-09 17:17:19,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-09 17:17:19,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-09 17:17:19,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-09 17:17:19,289 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1 [2020-11-09 17:17:19,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:17:19,289 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-09 17:17:19,289 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-09 17:17:19,290 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-09 17:17:19,290 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-09 17:17:19,290 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-09 17:17:19,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:17:19 BasicIcfg [2020-11-09 17:17:19,294 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-09 17:17:19,295 INFO L168 Benchmark]: Toolchain (without parser) took 13047.42 ms. Allocated memory was 159.4 MB in the beginning and 239.1 MB in the end (delta: 79.7 MB). Free memory was 131.9 MB in the beginning and 108.6 MB in the end (delta: 23.3 MB). Peak memory consumption was 104.0 MB. Max. memory is 8.0 GB. [2020-11-09 17:17:19,296 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 159.4 MB. Free memory is still 132.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-09 17:17:19,297 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1992.35 ms. Allocated memory was 159.4 MB in the beginning and 199.2 MB in the end (delta: 39.8 MB). Free memory was 131.2 MB in the beginning and 163.8 MB in the end (delta: -32.6 MB). Peak memory consumption was 81.9 MB. Max. memory is 8.0 GB. [2020-11-09 17:17:19,298 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.42 ms. Allocated memory is still 199.2 MB. Free memory was 163.8 MB in the beginning and 160.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-11-09 17:17:19,299 INFO L168 Benchmark]: Boogie Preprocessor took 51.52 ms. Allocated memory is still 199.2 MB. Free memory was 160.7 MB in the beginning and 158.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-09 17:17:19,300 INFO L168 Benchmark]: RCFGBuilder took 779.94 ms. Allocated memory is still 199.2 MB. Free memory was 158.1 MB in the beginning and 119.3 MB in the end (delta: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 8.0 GB. [2020-11-09 17:17:19,301 INFO L168 Benchmark]: TraceAbstraction took 10113.18 ms. Allocated memory was 199.2 MB in the beginning and 239.1 MB in the end (delta: 39.8 MB). Free memory was 118.7 MB in the beginning and 108.6 MB in the end (delta: 10.1 MB). Peak memory consumption was 49.4 MB. Max. memory is 8.0 GB. [2020-11-09 17:17:19,307 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 159.4 MB. Free memory is still 132.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1992.35 ms. Allocated memory was 159.4 MB in the beginning and 199.2 MB in the end (delta: 39.8 MB). Free memory was 131.2 MB in the beginning and 163.8 MB in the end (delta: -32.6 MB). Peak memory consumption was 81.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 93.42 ms. Allocated memory is still 199.2 MB. Free memory was 163.8 MB in the beginning and 160.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 51.52 ms. Allocated memory is still 199.2 MB. Free memory was 160.7 MB in the beginning and 158.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 779.94 ms. Allocated memory is still 199.2 MB. Free memory was 158.1 MB in the beginning and 119.3 MB in the end (delta: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 10113.18 ms. Allocated memory was 199.2 MB in the beginning and 239.1 MB in the end (delta: 39.8 MB). Free memory was 118.7 MB in the beginning and 108.6 MB in the end (delta: 10.1 MB). Peak memory consumption was 49.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 296 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 4 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 9.5s, 102 PlacesBefore, 16 PlacesAfterwards, 108 TransitionsBefore, 14 TransitionsAfterwards, 532 CoEnabledTransitionPairs, 7 FixpointIterations, 85 TrivialSequentialCompositions, 29 ConcurrentSequentialCompositions, 11 TrivialYvCompositions, 12 ConcurrentYvCompositions, 8 ChoiceCompositions, 145 TotalNumberOfCompositions, 456 MoverChecksTotal - PositiveResult [Line: 1691]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1691]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1691]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1691]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 99 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.9s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.5s, HoareTripleCheckerStatistics: 9 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s 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...