/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-POR-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/forkForkSimple.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 08:48:38,556 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 08:48:38,558 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 08:48:38,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-06 08:48:38,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-06 08:48:38,589 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-06 08:48:38,590 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-06 08:48:38,591 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-06 08:48:38,593 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-06 08:48:38,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-06 08:48:38,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-06 08:48:38,595 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-06 08:48:38,595 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 08:48:38,596 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 08:48:38,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 08:48:38,598 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 08:48:38,598 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 08:48:38,599 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 08:48:38,601 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 08:48:38,602 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 08:48:38,603 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 08:48:38,604 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 08:48:38,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 08:48:38,605 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 08:48:38,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-06 08:48:38,608 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-06 08:48:38,608 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-06 08:48:38,609 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-06 08:48:38,609 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-06 08:48:38,610 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-06 08:48:38,610 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-06 08:48:38,610 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-06 08:48:38,611 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-06 08:48:38,612 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-06 08:48:38,612 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-06 08:48:38,613 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-06 08:48:38,613 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-06 08:48:38,613 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-06 08:48:38,614 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 08:48:38,614 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 08:48:38,615 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 08:48:38,616 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-POR-DelaySleep-NoLbe.epf [2021-06-06 08:48:38,635 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 08:48:38,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 08:48:38,636 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 08:48:38,636 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 08:48:38,637 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 08:48:38,637 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 08:48:38,637 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 08:48:38,637 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 08:48:38,638 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 08:48:38,638 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 08:48:38,638 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 08:48:38,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 08:48:38,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 08:48:38,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 08:48:38,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 08:48:38,639 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 08:48:38,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 08:48:38,639 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 08:48:38,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 08:48:38,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 08:48:38,640 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 08:48:38,640 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 08:48:38,640 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 08:48:38,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 08:48:38,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 08:48:38,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 08:48:38,641 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 08:48:38,641 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 08:48:38,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 08:48:38,641 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 08:48:38,642 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 08:48:38,642 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 08:48:38,642 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 08:48:38,642 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 08:48:38,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 08:48:38,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 08:48:38,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 08:48:38,974 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-06 08:48:38,974 INFO L275 PluginConnector]: CDTParser initialized [2021-06-06 08:48:38,975 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/forkForkSimple.c [2021-06-06 08:48:39,033 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0734d3c53/16697b247e974ec0a00f6c0fe46943cd/FLAGfb161e394 [2021-06-06 08:48:39,493 INFO L306 CDTParser]: Found 1 translation units. [2021-06-06 08:48:39,494 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/forkForkSimple.c [2021-06-06 08:48:39,494 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-06 08:48:39,494 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-06 08:48:39,522 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0734d3c53/16697b247e974ec0a00f6c0fe46943cd/FLAGfb161e394 [2021-06-06 08:48:39,543 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0734d3c53/16697b247e974ec0a00f6c0fe46943cd [2021-06-06 08:48:39,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 08:48:39,553 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-06 08:48:39,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-06 08:48:39,556 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-06 08:48:39,559 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-06 08:48:39,560 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 08:48:39" (1/1) ... [2021-06-06 08:48:39,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ce4de93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:48:39, skipping insertion in model container [2021-06-06 08:48:39,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 08:48:39" (1/1) ... [2021-06-06 08:48:39,570 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-06 08:48:39,582 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-06 08:48:39,704 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 08:48:39,719 INFO L203 MainTranslator]: Completed pre-run [2021-06-06 08:48:39,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 08:48:39,742 INFO L208 MainTranslator]: Completed translation [2021-06-06 08:48:39,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:48:39 WrapperNode [2021-06-06 08:48:39,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-06 08:48:39,743 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 08:48:39,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 08:48:39,743 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 08:48:39,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:48:39" (1/1) ... [2021-06-06 08:48:39,757 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:48:39" (1/1) ... [2021-06-06 08:48:39,773 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 08:48:39,774 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 08:48:39,774 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 08:48:39,774 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 08:48:39,780 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:48:39" (1/1) ... [2021-06-06 08:48:39,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:48:39" (1/1) ... [2021-06-06 08:48:39,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:48:39" (1/1) ... [2021-06-06 08:48:39,791 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:48:39" (1/1) ... [2021-06-06 08:48:39,797 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:48:39" (1/1) ... [2021-06-06 08:48:39,798 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:48:39" (1/1) ... [2021-06-06 08:48:39,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:48:39" (1/1) ... [2021-06-06 08:48:39,802 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 08:48:39,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 08:48:39,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 08:48:39,805 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 08:48:39,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:48:39" (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 [2021-06-06 08:48:40,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-06 08:48:40,043 INFO L130 BoogieDeclarations]: Found specification of procedure bar [2021-06-06 08:48:40,043 INFO L138 BoogieDeclarations]: Found implementation of procedure bar [2021-06-06 08:48:40,043 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-06-06 08:48:40,044 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-06-06 08:48:40,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 08:48:40,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 08:48:40,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-06 08:48:40,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-06 08:48:40,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-06 08:48:40,045 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 08:48:40,253 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 08:48:40,253 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-06 08:48:40,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 08:48:40 BoogieIcfgContainer [2021-06-06 08:48:40,254 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 08:48:40,256 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 08:48:40,256 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 08:48:40,258 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 08:48:40,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.06 08:48:39" (1/3) ... [2021-06-06 08:48:40,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3edc5164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 08:48:40, skipping insertion in model container [2021-06-06 08:48:40,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:48:39" (2/3) ... [2021-06-06 08:48:40,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3edc5164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 08:48:40, skipping insertion in model container [2021-06-06 08:48:40,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 08:48:40" (3/3) ... [2021-06-06 08:48:40,260 INFO L111 eAbstractionObserver]: Analyzing ICFG forkForkSimple.c [2021-06-06 08:48:40,265 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 08:48:40,265 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 08:48:40,265 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 08:48:40,266 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 08:48:40,301 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#in~b.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,301 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#in~b.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,301 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,301 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,301 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#in~b.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,302 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#in~b.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,302 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,302 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,302 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,302 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,302 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,303 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,303 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~a.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,303 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~a.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,303 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,303 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,304 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~a.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,304 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~a.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,304 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,304 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,304 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,304 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,305 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,305 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,305 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,305 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,306 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,306 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,306 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,306 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,306 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,306 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,307 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,307 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,307 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,307 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,307 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,308 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,308 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,308 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,308 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,308 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,309 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,309 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,309 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,309 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,310 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,310 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,310 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,310 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,310 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,311 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,311 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,311 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,313 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,313 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,313 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,313 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,331 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,331 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,331 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,331 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,331 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,332 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,332 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,332 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,332 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,334 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,334 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,334 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,335 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:48:40,363 INFO L149 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2021-06-06 08:48:40,382 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 08:48:40,481 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 08:48:40,481 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 08:48:40,481 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 08:48:40,481 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 08:48:40,481 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 08:48:40,481 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 08:48:40,482 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 08:48:40,482 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == fooThread1of1ForFork1======== [2021-06-06 08:48:40,649 INFO L301 ceAbstractionStarter]: Result for error location fooThread1of1ForFork1 was SAFE (1/3) [2021-06-06 08:48:40,651 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-06-06 08:48:40,671 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 08:48:40,671 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 08:48:40,672 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 08:48:40,672 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 08:48:40,672 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 08:48:40,672 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 08:48:40,672 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 08:48:40,672 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == foo======== Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 08:48:40,746 INFO L301 ceAbstractionStarter]: Result for error location foo was SAFE (2/3) [2021-06-06 08:48:40,747 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 08:48:40,766 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 08:48:40,768 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 08:48:40,768 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 08:48:40,768 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 08:48:40,768 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 08:48:40,769 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 08:48:40,769 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 08:48:40,769 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 08:48:40,773 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 08:48:40,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 08:48:40,777 INFO L82 PathProgramCache]: Analyzing trace with hash 148192278, now seen corresponding path program 1 times [2021-06-06 08:48:40,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 08:48:40,785 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32791547] [2021-06-06 08:48:40,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 08:48:40,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 08:48:40,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 08:48:40,941 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 08:48:40,942 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32791547] [2021-06-06 08:48:40,943 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32791547] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 08:48:40,943 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 08:48:40,943 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-06 08:48:40,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630055323] [2021-06-06 08:48:40,948 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 08:48:40,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 08:48:40,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 08:48:40,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 08:48:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 08:48:40,965 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 08:48:40,966 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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) [2021-06-06 08:48:40,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 08:48:41,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 08:48:41,054 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 08:48:41,062 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (3/3) [2021-06-06 08:48:41,062 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 08:48:41,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 08:48:41 BasicIcfg [2021-06-06 08:48:41,065 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 08:48:41,067 INFO L168 Benchmark]: Toolchain (without parser) took 1513.34 ms. Allocated memory is still 358.6 MB. Free memory was 320.2 MB in the beginning and 273.6 MB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 16.0 GB. [2021-06-06 08:48:41,067 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 358.6 MB. Free memory was 338.7 MB in the beginning and 338.6 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 08:48:41,069 INFO L168 Benchmark]: CACSL2BoogieTranslator took 186.32 ms. Allocated memory is still 358.6 MB. Free memory was 320.0 MB in the beginning and 341.7 MB in the end (delta: -21.8 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.0 GB. [2021-06-06 08:48:41,070 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.64 ms. Allocated memory is still 358.6 MB. Free memory was 341.7 MB in the beginning and 339.6 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 08:48:41,070 INFO L168 Benchmark]: Boogie Preprocessor took 28.78 ms. Allocated memory is still 358.6 MB. Free memory was 339.6 MB in the beginning and 338.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 08:48:41,072 INFO L168 Benchmark]: RCFGBuilder took 449.47 ms. Allocated memory is still 358.6 MB. Free memory was 338.6 MB in the beginning and 321.8 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-06-06 08:48:41,072 INFO L168 Benchmark]: TraceAbstraction took 809.74 ms. Allocated memory is still 358.6 MB. Free memory was 321.8 MB in the beginning and 273.6 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.0 GB. [2021-06-06 08:48:41,077 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 358.6 MB. Free memory was 338.7 MB in the beginning and 338.6 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 186.32 ms. Allocated memory is still 358.6 MB. Free memory was 320.0 MB in the beginning and 341.7 MB in the end (delta: -21.8 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 29.64 ms. Allocated memory is still 358.6 MB. Free memory was 341.7 MB in the beginning and 339.6 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 28.78 ms. Allocated memory is still 358.6 MB. Free memory was 339.6 MB in the beginning and 338.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 449.47 ms. Allocated memory is still 358.6 MB. Free memory was 338.6 MB in the beginning and 321.8 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 809.74 ms. Allocated memory is still 358.6 MB. Free memory was 321.8 MB in the beginning and 273.6 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 353, positive: 341, positive conditional: 341, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 342, positive: 341, positive conditional: 341, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 342, positive: 341, positive conditional: 0, positive unconditional: 341, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 180, positive: 179, positive conditional: 0, positive unconditional: 179, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 180, positive: 178, positive conditional: 0, positive unconditional: 178, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 57, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 342, positive: 162, positive conditional: 0, positive unconditional: 162, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 180, unknown conditional: 0, unknown unconditional: 180] , Statistics on independence cache: Total cache size (in pairs): 180, Positive cache size: 179, Positive conditional cache size: 0, Positive unconditional cache size: 179, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1 ], Maximal queried relation: 0, Independence queries for same thread: 11 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 353, positive: 341, positive conditional: 341, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 342, positive: 341, positive conditional: 341, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 342, positive: 341, positive conditional: 0, positive unconditional: 341, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 180, positive: 179, positive conditional: 0, positive unconditional: 179, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 180, positive: 178, positive conditional: 0, positive unconditional: 178, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 50, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 342, positive: 162, positive conditional: 0, positive unconditional: 162, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 180, unknown conditional: 0, unknown unconditional: 180] , Statistics on independence cache: Total cache size (in pairs): 180, Positive cache size: 179, Positive conditional cache size: 0, Positive unconditional cache size: 179, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1 ], Maximal queried relation: 0, Independence queries for same thread: 11 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 345, positive: 334, positive conditional: 334, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 335, positive: 334, positive conditional: 334, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 335, positive: 334, positive conditional: 0, positive unconditional: 334, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 180, positive: 179, positive conditional: 0, positive unconditional: 179, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 180, positive: 178, positive conditional: 0, positive unconditional: 178, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 47, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 335, positive: 155, positive conditional: 0, positive unconditional: 155, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 180, unknown conditional: 0, unknown unconditional: 180] , Statistics on independence cache: Total cache size (in pairs): 180, Positive cache size: 179, Positive conditional cache size: 0, Positive unconditional cache size: 179, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 47, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 180, Positive cache size: 179, Positive conditional cache size: 0, Positive unconditional cache size: 179, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Eliminated conditions: 1 ], Maximal queried relation: 1, Independence queries for same thread: 10 - PositiveResult [Line: 31]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: fooThread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 64 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 226.7ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.4ms, PartialOrderReductionTime: 144.6ms, 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: foo with 1 thread instances CFG has 5 procedures, 64 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 85.0ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.4ms, PartialOrderReductionTime: 71.2ms, 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 64 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 313.7ms, OverallIterations: 1, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.4ms, PartialOrderReductionTime: 89.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 8.1ms SsaConstructionTime, 17.7ms SatisfiabilityAnalysisTime, 73.6ms InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...