/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-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/SimpleFunctionPointer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-11 18:40:55,556 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-11 18:40:55,558 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-11 18:40:55,593 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-11 18:40:55,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-11 18:40:55,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-11 18:40:55,598 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-11 18:40:55,604 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-11 18:40:55,606 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-11 18:40:55,610 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-11 18:40:55,610 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-11 18:40:55,611 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-11 18:40:55,612 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-11 18:40:55,614 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-11 18:40:55,615 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-11 18:40:55,616 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-11 18:40:55,618 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-11 18:40:55,619 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-11 18:40:55,621 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-11 18:40:55,626 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-11 18:40:55,627 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-11 18:40:55,628 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-11 18:40:55,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-11 18:40:55,631 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-11 18:40:55,636 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-11 18:40:55,637 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-11 18:40:55,637 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-11 18:40:55,638 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-11 18:40:55,639 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-11 18:40:55,640 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-11 18:40:55,640 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-11 18:40:55,641 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-11 18:40:55,642 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-11 18:40:55,642 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-11 18:40:55,643 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-11 18:40:55,643 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-11 18:40:55,644 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-11 18:40:55,644 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-11 18:40:55,644 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-11 18:40:55,645 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-11 18:40:55,645 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-11 18:40:55,649 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-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2021-06-11 18:40:55,682 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-11 18:40:55,682 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-11 18:40:55,685 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-11 18:40:55,685 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-11 18:40:55,685 INFO L138 SettingsManager]: * Use SBE=true [2021-06-11 18:40:55,685 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-11 18:40:55,685 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-11 18:40:55,686 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-11 18:40:55,686 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-11 18:40:55,686 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-11 18:40:55,687 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-11 18:40:55,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-11 18:40:55,687 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-11 18:40:55,687 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-11 18:40:55,687 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-11 18:40:55,687 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-11 18:40:55,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-11 18:40:55,688 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-11 18:40:55,688 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-11 18:40:55,688 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-11 18:40:55,688 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-11 18:40:55,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 18:40:55,689 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-11 18:40:55,689 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-11 18:40:55,689 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-11 18:40:55,689 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-11 18:40:55,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-11 18:40:55,689 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-06-11 18:40:55,690 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-11 18:40:55,690 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-11 18:40:55,690 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-11 18:40:55,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-11 18:40:56,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-11 18:40:56,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-11 18:40:56,017 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-11 18:40:56,018 INFO L275 PluginConnector]: CDTParser initialized [2021-06-11 18:40:56,018 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/SimpleFunctionPointer.c [2021-06-11 18:40:56,071 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/762cc2608/9ba501f45013437e85f33c81dbf3c0d7/FLAGb87d8a346 [2021-06-11 18:40:56,479 INFO L306 CDTParser]: Found 1 translation units. [2021-06-11 18:40:56,479 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/SimpleFunctionPointer.c [2021-06-11 18:40:56,479 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-11 18:40:56,484 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/762cc2608/9ba501f45013437e85f33c81dbf3c0d7/FLAGb87d8a346 [2021-06-11 18:40:56,894 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/762cc2608/9ba501f45013437e85f33c81dbf3c0d7 [2021-06-11 18:40:56,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-11 18:40:56,899 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-11 18:40:56,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-11 18:40:56,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-11 18:40:56,904 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-11 18:40:56,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 06:40:56" (1/1) ... [2021-06-11 18:40:56,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46358221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:40:56, skipping insertion in model container [2021-06-11 18:40:56,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 06:40:56" (1/1) ... [2021-06-11 18:40:56,914 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-11 18:40:56,925 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-11 18:40:57,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 18:40:57,051 INFO L203 MainTranslator]: Completed pre-run [2021-06-11 18:40:57,060 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 18:40:57,088 INFO L208 MainTranslator]: Completed translation [2021-06-11 18:40:57,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:40:57 WrapperNode [2021-06-11 18:40:57,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-11 18:40:57,095 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-11 18:40:57,095 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-11 18:40:57,096 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-11 18:40:57,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:40:57" (1/1) ... [2021-06-11 18:40:57,109 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:40:57" (1/1) ... [2021-06-11 18:40:57,123 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-11 18:40:57,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-11 18:40:57,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-11 18:40:57,124 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-11 18:40:57,129 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:40:57" (1/1) ... [2021-06-11 18:40:57,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:40:57" (1/1) ... [2021-06-11 18:40:57,131 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:40:57" (1/1) ... [2021-06-11 18:40:57,131 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:40:57" (1/1) ... [2021-06-11 18:40:57,135 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:40:57" (1/1) ... [2021-06-11 18:40:57,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:40:57" (1/1) ... [2021-06-11 18:40:57,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:40:57" (1/1) ... [2021-06-11 18:40:57,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-11 18:40:57,139 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-11 18:40:57,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-11 18:40:57,139 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-11 18:40:57,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:40:57" (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 [2021-06-11 18:40:57,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-11 18:40:57,212 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-06-11 18:40:57,212 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-06-11 18:40:57,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-11 18:40:57,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-11 18:40:57,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-11 18:40:57,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-11 18:40:57,216 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-11 18:40:57,389 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-11 18:40:57,390 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-11 18:40:57,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 06:40:57 BoogieIcfgContainer [2021-06-11 18:40:57,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-11 18:40:57,392 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-11 18:40:57,392 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-11 18:40:57,395 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-11 18:40:57,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.06 06:40:56" (1/3) ... [2021-06-11 18:40:57,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d1d0c18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 06:40:57, skipping insertion in model container [2021-06-11 18:40:57,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:40:57" (2/3) ... [2021-06-11 18:40:57,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d1d0c18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 06:40:57, skipping insertion in model container [2021-06-11 18:40:57,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 06:40:57" (3/3) ... [2021-06-11 18:40:57,397 INFO L111 eAbstractionObserver]: Analyzing ICFG SimpleFunctionPointer.c [2021-06-11 18:40:57,402 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-11 18:40:57,405 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2021-06-11 18:40:57,406 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-11 18:40:57,453 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:40:57,454 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:40:57,454 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:40:57,454 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:40:57,454 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:40:57,454 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:40:57,455 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:40:57,455 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:40:57,455 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:40:57,455 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:40:57,455 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:40:57,455 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:40:57,457 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:40:57,457 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:40:57,458 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:40:57,458 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 18:40:57,461 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-11 18:40:57,476 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-11 18:40:57,492 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 18:40:57,492 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 18:40:57,492 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 18:40:57,492 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 18:40:57,493 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 18:40:57,493 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 18:40:57,493 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 18:40:57,493 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 18:40:57,500 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 21 places, 17 transitions, 39 flow [2021-06-11 18:40:57,511 INFO L129 PetriNetUnfolder]: 0/16 cut-off events. [2021-06-11 18:40:57,512 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 18:40:57,513 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20 conditions, 16 events. 0/16 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 6 event pairs, 0 based on Foata normal form. 0/16 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-06-11 18:40:57,513 INFO L82 GeneralOperation]: Start removeDead. Operand has 21 places, 17 transitions, 39 flow [2021-06-11 18:40:57,515 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 0 places, 0 transitions, 0 flow [2021-06-11 18:40:57,516 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 18:40:57,528 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 0 places, 0 transitions, 0 flow [2021-06-11 18:40:57,531 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 0 places, 0 transitions, 0 flow [2021-06-11 18:40:57,531 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-06-11 18:40:57,532 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-06-11 18:40:57,532 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 18:40:57,532 INFO L84 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2021-06-11 18:40:57,533 INFO L151 LiptonReduction]: Number of co-enabled transitions 0 [2021-06-11 18:40:57,534 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 18:40:57,534 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 18:40:57,535 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 20 [2021-06-11 18:40:57,541 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-06-11 18:40:57,541 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 18:40:57,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.06 06:40:57 BasicIcfg [2021-06-11 18:40:57,543 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-11 18:40:57,545 INFO L168 Benchmark]: Toolchain (without parser) took 645.22 ms. Allocated memory is still 383.8 MB. Free memory was 348.0 MB in the beginning and 342.0 MB in the end (delta: 6.0 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.0 GB. [2021-06-11 18:40:57,545 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 383.8 MB. Free memory is still 364.5 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 18:40:57,546 INFO L168 Benchmark]: CACSL2BoogieTranslator took 193.61 ms. Allocated memory is still 383.8 MB. Free memory was 347.9 MB in the beginning and 367.8 MB in the end (delta: -20.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.0 GB. [2021-06-11 18:40:57,547 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.60 ms. Allocated memory is still 383.8 MB. Free memory was 367.8 MB in the beginning and 367.2 MB in the end (delta: 620.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 18:40:57,548 INFO L168 Benchmark]: Boogie Preprocessor took 14.25 ms. Allocated memory is still 383.8 MB. Free memory was 367.2 MB in the beginning and 366.1 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 18:40:57,549 INFO L168 Benchmark]: RCFGBuilder took 251.94 ms. Allocated memory is still 383.8 MB. Free memory was 366.1 MB in the beginning and 352.7 MB in the end (delta: 13.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-06-11 18:40:57,550 INFO L168 Benchmark]: TraceAbstraction took 150.89 ms. Allocated memory is still 383.8 MB. Free memory was 351.5 MB in the beginning and 342.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. [2021-06-11 18:40:57,554 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 383.8 MB. Free memory is still 364.5 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 193.61 ms. Allocated memory is still 383.8 MB. Free memory was 347.9 MB in the beginning and 367.8 MB in the end (delta: -20.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 27.60 ms. Allocated memory is still 383.8 MB. Free memory was 367.8 MB in the beginning and 367.2 MB in the end (delta: 620.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 14.25 ms. Allocated memory is still 383.8 MB. Free memory was 367.2 MB in the beginning and 366.1 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 251.94 ms. Allocated memory is still 383.8 MB. Free memory was 366.1 MB in the beginning and 352.7 MB in the end (delta: 13.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 150.89 ms. Allocated memory is still 383.8 MB. Free memory was 351.5 MB in the beginning and 342.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.8ms, 0 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 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] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 18 locations, 0 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 53.7ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 47.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! Received shutdown request...