/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-SemanticLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/ThreadIdTest2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-13 00:01:43,466 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-13 00:01:43,468 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-13 00:01:43,500 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-13 00:01:43,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-13 00:01:43,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-13 00:01:43,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-13 00:01:43,556 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-SemanticLbe-Delay.epf [2021-03-13 00:01:43,595 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-13 00:01:43,596 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-13 00:01:43,596 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-13 00:01:43,596 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-13 00:01:43,600 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-13 00:01:43,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-13 00:01:43,600 INFO L138 SettingsManager]: * Use SBE=true [2021-03-13 00:01:43,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-13 00:01:43,600 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-13 00:01:43,600 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-13 00:01:43,601 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-13 00:01:43,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-13 00:01:43,601 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-13 00:01:43,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-13 00:01:43,602 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-13 00:01:43,602 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-13 00:01:43,602 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-13 00:01:43,602 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-13 00:01:43,602 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-13 00:01:43,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-13 00:01:43,602 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-13 00:01:43,603 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-13 00:01:43,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-13 00:01:43,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-13 00:01:43,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-13 00:01:43,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-13 00:01:43,604 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-13 00:01:43,604 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-13 00:01:43,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-13 00:01:43,604 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-13 00:01:43,604 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-13 00:01:43,604 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-13 00:01:43,604 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-13 00:01:43,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-13 00:01:43,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-13 00:01:43,944 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-13 00:01:43,945 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-13 00:01:43,946 INFO L275 PluginConnector]: CDTParser initialized [2021-03-13 00:01:43,947 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/ThreadIdTest2.c [2021-03-13 00:01:44,003 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5d26ea5b/b5269e7b86da47f684a88188f073c868/FLAG2a3796638 [2021-03-13 00:01:44,435 INFO L306 CDTParser]: Found 1 translation units. [2021-03-13 00:01:44,436 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/ThreadIdTest2.c [2021-03-13 00:01:44,436 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-13 00:01:44,436 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-13 00:01:44,471 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5d26ea5b/b5269e7b86da47f684a88188f073c868/FLAG2a3796638 [2021-03-13 00:01:44,975 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5d26ea5b/b5269e7b86da47f684a88188f073c868 [2021-03-13 00:01:44,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-13 00:01:44,982 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-13 00:01:44,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-13 00:01:44,983 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-13 00:01:44,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-13 00:01:44,986 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 12:01:44" (1/1) ... [2021-03-13 00:01:44,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57ef0996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:44, skipping insertion in model container [2021-03-13 00:01:44,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 12:01:44" (1/1) ... [2021-03-13 00:01:44,993 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-13 00:01:45,003 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-13 00:01:45,106 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-13 00:01:45,113 INFO L203 MainTranslator]: Completed pre-run [2021-03-13 00:01:45,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-13 00:01:45,153 INFO L208 MainTranslator]: Completed translation [2021-03-13 00:01:45,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:45 WrapperNode [2021-03-13 00:01:45,155 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-13 00:01:45,157 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-13 00:01:45,157 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-13 00:01:45,158 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-13 00:01:45,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:45" (1/1) ... [2021-03-13 00:01:45,169 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:45" (1/1) ... [2021-03-13 00:01:45,185 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-13 00:01:45,187 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-13 00:01:45,187 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-13 00:01:45,187 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-13 00:01:45,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:45" (1/1) ... [2021-03-13 00:01:45,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:45" (1/1) ... [2021-03-13 00:01:45,195 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:45" (1/1) ... [2021-03-13 00:01:45,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:45" (1/1) ... [2021-03-13 00:01:45,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:45" (1/1) ... [2021-03-13 00:01:45,206 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:45" (1/1) ... [2021-03-13 00:01:45,211 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:45" (1/1) ... [2021-03-13 00:01:45,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-13 00:01:45,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-13 00:01:45,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-13 00:01:45,214 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-13 00:01:45,215 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-13 00:01:45,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-13 00:01:45,277 INFO L130 BoogieDeclarations]: Found specification of procedure dec [2021-03-13 00:01:45,277 INFO L138 BoogieDeclarations]: Found implementation of procedure dec [2021-03-13 00:01:45,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-13 00:01:45,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-13 00:01:45,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-13 00:01:45,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-13 00:01:45,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-13 00:01:45,278 INFO L130 BoogieDeclarations]: Found specification of procedure inc [2021-03-13 00:01:45,279 INFO L138 BoogieDeclarations]: Found implementation of procedure inc [2021-03-13 00:01:45,280 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-13 00:01:45,553 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-13 00:01:45,554 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-03-13 00:01:45,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.03 12:01:45 BoogieIcfgContainer [2021-03-13 00:01:45,555 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-13 00:01:45,557 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-13 00:01:45,557 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-13 00:01:45,559 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-13 00:01:45,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.03 12:01:44" (1/3) ... [2021-03-13 00:01:45,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44015412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 12:01:45, skipping insertion in model container [2021-03-13 00:01:45,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:45" (2/3) ... [2021-03-13 00:01:45,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44015412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 12:01:45, skipping insertion in model container [2021-03-13 00:01:45,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.03 12:01:45" (3/3) ... [2021-03-13 00:01:45,561 INFO L111 eAbstractionObserver]: Analyzing ICFG ThreadIdTest2.c [2021-03-13 00:01:45,566 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-13 00:01:45,566 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-13 00:01:45,586 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-13 00:01:45,587 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-13 00:01:45,634 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,635 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,635 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,635 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,635 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,635 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,635 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,636 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,636 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,636 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,636 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,636 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,637 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,637 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,637 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,637 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,637 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,637 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,638 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,638 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,638 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,638 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,638 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,639 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,639 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,639 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,639 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,639 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,639 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,640 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,640 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,640 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,640 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,640 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,640 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,641 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,642 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,643 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,643 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,643 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,643 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,647 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,647 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,647 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,648 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,648 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:45,651 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-03-13 00:01:45,666 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-03-13 00:01:45,704 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-13 00:01:45,704 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-13 00:01:45,704 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-13 00:01:45,704 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-13 00:01:45,704 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-13 00:01:45,704 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-13 00:01:45,705 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-13 00:01:45,705 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-13 00:01:45,712 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-13 00:01:45,713 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 42 transitions, 100 flow [2021-03-13 00:01:45,715 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 42 transitions, 100 flow [2021-03-13 00:01:45,716 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 48 places, 42 transitions, 100 flow [2021-03-13 00:01:45,767 INFO L129 PetriNetUnfolder]: 0/51 cut-off events. [2021-03-13 00:01:45,767 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-13 00:01:45,769 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 51 events. 0/51 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 51 event pairs, 0 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-13 00:01:45,771 INFO L116 LiptonReduction]: Number of co-enabled transitions 444 [2021-03-13 00:01:46,724 INFO L131 LiptonReduction]: Checked pairs total: 802 [2021-03-13 00:01:46,725 INFO L133 LiptonReduction]: Total number of compositions: 25 [2021-03-13 00:01:46,780 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:01:46,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:01:46,784 INFO L82 PathProgramCache]: Analyzing trace with hash 1791233536, now seen corresponding path program 1 times [2021-03-13 00:01:46,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:01:46,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961066932] [2021-03-13 00:01:46,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:01:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:01:46,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:01:46,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961066932] [2021-03-13 00:01:46,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 00:01:46,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-13 00:01:46,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492980389] [2021-03-13 00:01:46,910 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-13 00:01:46,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:01:46,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-13 00:01:46,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-13 00:01:46,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:01:46,935 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:01:46,936 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 00:01:46,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:01:46,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:01:46,973 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-13 00:01:46,973 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:01:46,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:01:46,973 INFO L82 PathProgramCache]: Analyzing trace with hash -306333373, now seen corresponding path program 1 times [2021-03-13 00:01:46,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:01:46,974 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621240217] [2021-03-13 00:01:46,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:01:46,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:01:47,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:01:47,106 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621240217] [2021-03-13 00:01:47,108 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 00:01:47,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-13 00:01:47,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28355552] [2021-03-13 00:01:47,111 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-13 00:01:47,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:01:47,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-13 00:01:47,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-13 00:01:47,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:01:47,117 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:01:47,117 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 00:01:47,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:01:47,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:01:47,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:01:47,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:01:47,265 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-13 00:01:47,265 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:01:47,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:01:47,266 INFO L82 PathProgramCache]: Analyzing trace with hash -278627774, now seen corresponding path program 1 times [2021-03-13 00:01:47,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:01:47,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200639310] [2021-03-13 00:01:47,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:01:47,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:01:47,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:01:47,363 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200639310] [2021-03-13 00:01:47,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 00:01:47,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-13 00:01:47,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206149755] [2021-03-13 00:01:47,364 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-13 00:01:47,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:01:47,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-13 00:01:47,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-13 00:01:47,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:01:47,365 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:01:47,365 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 00:01:47,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:01:47,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:01:47,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:01:47,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:01:47,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:01:47,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:01:47,424 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-13 00:01:47,424 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:01:47,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:01:47,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1015218867, now seen corresponding path program 2 times [2021-03-13 00:01:47,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:01:47,426 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189396740] [2021-03-13 00:01:47,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:01:47,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:01:47,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:01:47,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189396740] [2021-03-13 00:01:47,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 00:01:47,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-13 00:01:47,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822042007] [2021-03-13 00:01:47,471 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-13 00:01:47,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:01:47,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-13 00:01:47,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-13 00:01:47,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:01:47,472 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:01:47,472 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 00:01:47,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:01:47,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:01:47,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:01:47,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:01:47,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 00:01:47,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:01:47,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:01:47,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:01:47,544 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-13 00:01:47,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.03 12:01:47 BasicIcfg [2021-03-13 00:01:47,554 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-13 00:01:47,555 INFO L168 Benchmark]: Toolchain (without parser) took 2576.64 ms. Allocated memory was 255.9 MB in the beginning and 375.4 MB in the end (delta: 119.5 MB). Free memory was 232.7 MB in the beginning and 287.9 MB in the end (delta: -55.2 MB). Peak memory consumption was 64.4 MB. Max. memory is 16.0 GB. [2021-03-13 00:01:47,555 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 255.9 MB. Free memory was 237.5 MB in the beginning and 237.3 MB in the end (delta: 158.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-13 00:01:47,555 INFO L168 Benchmark]: CACSL2BoogieTranslator took 173.31 ms. Allocated memory was 255.9 MB in the beginning and 375.4 MB in the end (delta: 119.5 MB). Free memory was 232.0 MB in the beginning and 359.1 MB in the end (delta: -127.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-03-13 00:01:47,556 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.58 ms. Allocated memory is still 375.4 MB. Free memory was 359.1 MB in the beginning and 357.6 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-13 00:01:47,556 INFO L168 Benchmark]: Boogie Preprocessor took 26.06 ms. Allocated memory is still 375.4 MB. Free memory was 357.6 MB in the beginning and 356.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-13 00:01:47,556 INFO L168 Benchmark]: RCFGBuilder took 341.02 ms. Allocated memory is still 375.4 MB. Free memory was 356.5 MB in the beginning and 342.6 MB in the end (delta: 13.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-03-13 00:01:47,557 INFO L168 Benchmark]: TraceAbstraction took 1997.25 ms. Allocated memory is still 375.4 MB. Free memory was 342.3 MB in the beginning and 287.9 MB in the end (delta: 54.4 MB). Peak memory consumption was 57.5 MB. Max. memory is 16.0 GB. [2021-03-13 00:01:47,558 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 255.9 MB. Free memory was 237.5 MB in the beginning and 237.3 MB in the end (delta: 158.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 173.31 ms. Allocated memory was 255.9 MB in the beginning and 375.4 MB in the end (delta: 119.5 MB). Free memory was 232.0 MB in the beginning and 359.1 MB in the end (delta: -127.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 27.58 ms. Allocated memory is still 375.4 MB. Free memory was 359.1 MB in the beginning and 357.6 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 26.06 ms. Allocated memory is still 375.4 MB. Free memory was 357.6 MB in the beginning and 356.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 341.02 ms. Allocated memory is still 375.4 MB. Free memory was 356.5 MB in the beginning and 342.6 MB in the end (delta: 13.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1997.25 ms. Allocated memory is still 375.4 MB. Free memory was 342.3 MB in the beginning and 287.9 MB in the end (delta: 54.4 MB). Peak memory consumption was 57.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1010.0ms, 48 PlacesBefore, 23 PlacesAfterwards, 42 TransitionsBefore, 17 TransitionsAfterwards, 444 CoEnabledTransitionPairs, 4 FixpointIterations, 8 TrivialSequentialCompositions, 17 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 25 TotalNumberOfCompositions, 802 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 564, positive: 517, positive conditional: 0, positive unconditional: 517, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 321, positive: 298, positive conditional: 0, positive unconditional: 298, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 321, positive: 298, positive conditional: 0, positive unconditional: 298, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 89, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 89, negative conditional: 0, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 564, positive: 219, positive conditional: 0, positive unconditional: 219, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 321, unknown conditional: 0, unknown unconditional: 321] , Statistics on independence cache: Total cache size (in pairs): 38, Positive cache size: 31, Positive conditional cache size: 0, Positive unconditional cache size: 31, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 136, positive: 86, positive conditional: 86, positive unconditional: 0, negative: 50, negative conditional: 50, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 119, positive: 86, positive conditional: 86, positive unconditional: 0, negative: 33, negative conditional: 33, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 119, positive: 78, positive conditional: 0, positive unconditional: 78, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 32, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 32, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 19, negative conditional: 9, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 133, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 109, negative conditional: 49, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 119, positive: 56, positive conditional: 0, positive unconditional: 56, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 32, unknown conditional: 0, unknown unconditional: 32] , Statistics on independence cache: Total cache size (in pairs): 45, Positive cache size: 26, Positive conditional cache size: 4, Positive unconditional cache size: 22, Negative cache size: 19, Negative conditional cache size: 9, Negative unconditional cache size: 10, SemanticConditionEliminator.Independence Queries: [ total: 95, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 87, negative conditional: 32, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 95, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 87, negative conditional: 32, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 19, negative conditional: 9, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 133, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 109, negative conditional: 49, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 95, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 78, negative conditional: 23, negative unconditional: 55, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 45, Positive cache size: 26, Positive conditional cache size: 4, Positive unconditional cache size: 22, Negative cache size: 19, Negative conditional cache size: 9, Negative unconditional cache size: 10, Eliminated conditions: 55, SemanticConditionEliminator.Independence Queries: [ total: 95, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 87, negative conditional: 32, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 95, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 87, negative conditional: 32, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 19, negative conditional: 9, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 133, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 109, negative conditional: 49, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 95, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 78, negative conditional: 23, negative unconditional: 55, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 45, Positive cache size: 26, Positive conditional cache size: 4, Positive unconditional cache size: 22, Negative cache size: 19, Negative conditional cache size: 9, Negative unconditional cache size: 10, Eliminated conditions: 55, SemanticConditionEliminator.Independence Queries: [ total: 95, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 87, negative conditional: 32, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 95, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 87, negative conditional: 32, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 19, negative conditional: 9, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 133, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 109, negative conditional: 49, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 95, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 78, negative conditional: 23, negative unconditional: 55, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 45, Positive cache size: 26, Positive conditional cache size: 4, Positive unconditional cache size: 22, Negative cache size: 19, Negative conditional cache size: 9, Negative unconditional cache size: 10, Eliminated conditions: 55, SemanticConditionEliminator.Independence Queries: [ total: 95, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 87, negative conditional: 32, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 95, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 87, negative conditional: 32, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 19, negative conditional: 9, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 133, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 109, negative conditional: 49, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 95, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 78, negative conditional: 23, negative unconditional: 55, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 45, Positive cache size: 26, Positive conditional cache size: 4, Positive unconditional cache size: 22, Negative cache size: 19, Negative conditional cache size: 9, Negative unconditional cache size: 10, Eliminated conditions: 55 ], Maximal queried relation: 4, Independence queries for same thread: 17 - PositiveResult [Line: 37]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1870.4ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1029.5ms, PartialOrderReductionTime: 357.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 21, 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: 10.0ms SsaConstructionTime, 57.5ms SatisfiabilityAnalysisTime, 247.6ms InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 47 ConstructedInterpolants, 0 QuantifiedInterpolants, 202 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...