/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-NoLbe-New_States.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/ThreadIdTest2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 15:34:28,275 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 15:34:28,278 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 15:34:28,313 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-12 15:34:28,528 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-12 15:34:28,528 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-12 15:34:28,529 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-12 15:34:28,536 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-NoLbe-New_States.epf [2021-03-12 15:34:28,568 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 15:34:28,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 15:34:28,569 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 15:34:28,569 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 15:34:28,572 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 15:34:28,572 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 15:34:28,572 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 15:34:28,572 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 15:34:28,572 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 15:34:28,572 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 15:34:28,573 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 15:34:28,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 15:34:28,574 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 15:34:28,574 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 15:34:28,574 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 15:34:28,574 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 15:34:28,574 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 15:34:28,574 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 15:34:28,574 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 15:34:28,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 15:34:28,575 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 15:34:28,575 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 15:34:28,575 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 15:34:28,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 15:34:28,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 15:34:28,575 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 15:34:28,575 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 15:34:28,576 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 15:34:28,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 15:34:28,576 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-12 15:34:28,576 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 15:34:28,576 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 15:34:28,576 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-03-12 15:34:28,577 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 15:34:28,869 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 15:34:28,887 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 15:34:28,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 15:34:28,890 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-12 15:34:28,891 INFO L275 PluginConnector]: CDTParser initialized [2021-03-12 15:34:28,891 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/ThreadIdTest2.c [2021-03-12 15:34:28,954 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07d3b9b4f/d1c70e3a95564c6bb247faba8e21892d/FLAGa194588a0 [2021-03-12 15:34:29,304 INFO L306 CDTParser]: Found 1 translation units. [2021-03-12 15:34:29,305 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/ThreadIdTest2.c [2021-03-12 15:34:29,305 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-12 15:34:29,305 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-12 15:34:29,332 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07d3b9b4f/d1c70e3a95564c6bb247faba8e21892d/FLAGa194588a0 [2021-03-12 15:34:29,733 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07d3b9b4f/d1c70e3a95564c6bb247faba8e21892d [2021-03-12 15:34:29,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 15:34:29,740 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-12 15:34:29,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-12 15:34:29,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-12 15:34:29,744 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-12 15:34:29,744 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 03:34:29" (1/1) ... [2021-03-12 15:34:29,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11d1eef8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:34:29, skipping insertion in model container [2021-03-12 15:34:29,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 03:34:29" (1/1) ... [2021-03-12 15:34:29,751 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-12 15:34:29,760 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-12 15:34:29,888 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 15:34:29,894 INFO L203 MainTranslator]: Completed pre-run [2021-03-12 15:34:29,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 15:34:29,923 INFO L208 MainTranslator]: Completed translation [2021-03-12 15:34:29,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:34:29 WrapperNode [2021-03-12 15:34:29,925 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-12 15:34:29,926 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 15:34:29,927 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 15:34:29,927 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 15:34:29,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:34:29" (1/1) ... [2021-03-12 15:34:29,982 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:34:29" (1/1) ... [2021-03-12 15:34:29,998 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 15:34:29,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 15:34:29,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 15:34:30,000 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 15:34:30,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:34:29" (1/1) ... [2021-03-12 15:34:30,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:34:29" (1/1) ... [2021-03-12 15:34:30,008 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:34:29" (1/1) ... [2021-03-12 15:34:30,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:34:29" (1/1) ... [2021-03-12 15:34:30,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:34:29" (1/1) ... [2021-03-12 15:34:30,016 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:34:29" (1/1) ... [2021-03-12 15:34:30,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:34:29" (1/1) ... [2021-03-12 15:34:30,021 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 15:34:30,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 15:34:30,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 15:34:30,024 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 15:34:30,025 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:34:29" (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 [2021-03-12 15:34:30,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-12 15:34:30,093 INFO L130 BoogieDeclarations]: Found specification of procedure dec [2021-03-12 15:34:30,093 INFO L138 BoogieDeclarations]: Found implementation of procedure dec [2021-03-12 15:34:30,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 15:34:30,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 15:34:30,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-12 15:34:30,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-12 15:34:30,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-12 15:34:30,094 INFO L130 BoogieDeclarations]: Found specification of procedure inc [2021-03-12 15:34:30,094 INFO L138 BoogieDeclarations]: Found implementation of procedure inc [2021-03-12 15:34:30,095 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-12 15:34:30,271 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 15:34:30,271 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-03-12 15:34:30,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 03:34:30 BoogieIcfgContainer [2021-03-12 15:34:30,272 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 15:34:30,274 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 15:34:30,274 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 15:34:30,276 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 15:34:30,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.03 03:34:29" (1/3) ... [2021-03-12 15:34:30,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fe9eac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 03:34:30, skipping insertion in model container [2021-03-12 15:34:30,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:34:29" (2/3) ... [2021-03-12 15:34:30,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fe9eac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 03:34:30, skipping insertion in model container [2021-03-12 15:34:30,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 03:34:30" (3/3) ... [2021-03-12 15:34:30,278 INFO L111 eAbstractionObserver]: Analyzing ICFG ThreadIdTest2.c [2021-03-12 15:34:30,295 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 15:34:30,295 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 15:34:30,298 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 15:34:30,298 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 15:34:30,327 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,327 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,327 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,328 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,328 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,328 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,328 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,328 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,329 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,329 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,329 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,329 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,329 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,329 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,330 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,330 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,330 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,330 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,331 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,331 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,331 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,331 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,331 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,331 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,331 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,332 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,332 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,332 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,332 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,332 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,333 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,333 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,333 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,333 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,333 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,333 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,335 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,335 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,336 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,336 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,336 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,352 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,353 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,354 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,354 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,354 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:30,359 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-03-12 15:34:30,373 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 [2021-03-12 15:34:30,405 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 15:34:30,405 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 15:34:30,405 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 15:34:30,405 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 15:34:30,405 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 15:34:30,406 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 15:34:30,406 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 15:34:30,406 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 15:34:30,430 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 15:34:30,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 15:34:30,434 INFO L82 PathProgramCache]: Analyzing trace with hash 2083335, now seen corresponding path program 1 times [2021-03-12 15:34:30,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 15:34:30,441 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213784843] [2021-03-12 15:34:30,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 15:34:30,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 15:34:30,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 15:34:30,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213784843] [2021-03-12 15:34:30,568 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 15:34:30,568 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-12 15:34:30,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295515218] [2021-03-12 15:34:30,572 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 15:34:30,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 15:34:30,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 15:34:30,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 15:34:30,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 15:34:30,584 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 15:34:30,586 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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) [2021-03-12 15:34:30,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 15:34:30,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 15:34:30,696 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 15:34:30,696 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 15:34:30,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 15:34:30,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1308513760, now seen corresponding path program 1 times [2021-03-12 15:34:30,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 15:34:30,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36343942] [2021-03-12 15:34:30,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 15:34:30,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 15:34:30,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 15:34:30,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36343942] [2021-03-12 15:34:30,754 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 15:34:30,754 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-12 15:34:30,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847875771] [2021-03-12 15:34:30,756 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-12 15:34:30,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 15:34:30,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-12 15:34:30,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-12 15:34:30,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 15:34:30,757 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 15:34:30,757 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 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) [2021-03-12 15:34:30,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 15:34:30,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 15:34:30,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 15:34:30,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 15:34:30,901 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-12 15:34:30,901 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 15:34:30,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 15:34:30,901 INFO L82 PathProgramCache]: Analyzing trace with hash 635845593, now seen corresponding path program 1 times [2021-03-12 15:34:30,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 15:34:30,902 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914213823] [2021-03-12 15:34:30,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 15:34:30,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 15:34:31,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 15:34:31,005 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914213823] [2021-03-12 15:34:31,005 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 15:34:31,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-12 15:34:31,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466379315] [2021-03-12 15:34:31,006 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-12 15:34:31,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 15:34:31,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-12 15:34:31,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-12 15:34:31,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 15:34:31,007 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 15:34:31,007 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 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) [2021-03-12 15:34:31,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 15:34:31,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 15:34:31,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 15:34:31,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 15:34:31,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 15:34:31,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 15:34:31,164 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-12 15:34:31,164 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 15:34:31,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 15:34:31,165 INFO L82 PathProgramCache]: Analyzing trace with hash 99877920, now seen corresponding path program 2 times [2021-03-12 15:34:31,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 15:34:31,165 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252505267] [2021-03-12 15:34:31,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 15:34:31,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 15:34:31,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 15:34:31,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252505267] [2021-03-12 15:34:31,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 15:34:31,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-12 15:34:31,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282722158] [2021-03-12 15:34:31,242 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-12 15:34:31,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 15:34:31,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-12 15:34:31,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-12 15:34:31,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 15:34:31,243 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 15:34:31,243 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 7 states have (on average 4.0) internal successors, (28), 8 states have internal predecessors, (28), 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) [2021-03-12 15:34:31,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 15:34:31,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 15:34:31,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 15:34:31,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 15:34:31,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 15:34:31,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 15:34:31,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 15:34:31,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 15:34:31,431 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-12 15:34:31,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 03:34:31 BasicIcfg [2021-03-12 15:34:31,443 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 15:34:31,447 INFO L168 Benchmark]: Toolchain (without parser) took 1706.38 ms. Allocated memory was 255.9 MB in the beginning and 371.2 MB in the end (delta: 115.3 MB). Free memory was 232.7 MB in the beginning and 348.3 MB in the end (delta: -115.6 MB). Peak memory consumption was 76.9 MB. Max. memory is 16.0 GB. [2021-03-12 15:34:31,447 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 15:34:31,448 INFO L168 Benchmark]: CACSL2BoogieTranslator took 183.92 ms. Allocated memory is still 255.9 MB. Free memory was 231.8 MB in the beginning and 223.4 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. [2021-03-12 15:34:31,448 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.36 ms. Allocated memory was 255.9 MB in the beginning and 371.2 MB in the end (delta: 115.3 MB). Free memory was 223.4 MB in the beginning and 354.8 MB in the end (delta: -131.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 15:34:31,448 INFO L168 Benchmark]: Boogie Preprocessor took 22.16 ms. Allocated memory is still 371.2 MB. Free memory was 354.8 MB in the beginning and 353.9 MB in the end (delta: 859.6 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 15:34:31,449 INFO L168 Benchmark]: RCFGBuilder took 248.55 ms. Allocated memory is still 371.2 MB. Free memory was 353.9 MB in the beginning and 340.0 MB in the end (delta: 13.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-03-12 15:34:31,450 INFO L168 Benchmark]: TraceAbstraction took 1169.56 ms. Allocated memory is still 371.2 MB. Free memory was 339.4 MB in the beginning and 348.3 MB in the end (delta: -8.9 MB). Peak memory consumption was 70.4 MB. Max. memory is 16.0 GB. [2021-03-12 15:34:31,453 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 183.92 ms. Allocated memory is still 255.9 MB. Free memory was 231.8 MB in the beginning and 223.4 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 72.36 ms. Allocated memory was 255.9 MB in the beginning and 371.2 MB in the end (delta: 115.3 MB). Free memory was 223.4 MB in the beginning and 354.8 MB in the end (delta: -131.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 22.16 ms. Allocated memory is still 371.2 MB. Free memory was 354.8 MB in the beginning and 353.9 MB in the end (delta: 859.6 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 248.55 ms. Allocated memory is still 371.2 MB. Free memory was 353.9 MB in the beginning and 340.0 MB in the end (delta: 13.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1169.56 ms. Allocated memory is still 371.2 MB. Free memory was 339.4 MB in the beginning and 348.3 MB in the end (delta: -8.9 MB). Peak memory consumption was 70.4 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: 1228, positive: 1153, positive conditional: 1153, positive unconditional: 0, negative: 75, negative conditional: 75, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1177, positive: 1153, positive conditional: 1153, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1177, positive: 1142, positive conditional: 0, positive unconditional: 1142, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 212, positive: 202, positive conditional: 0, positive unconditional: 202, 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: 212, positive: 202, positive conditional: 0, positive unconditional: 202, 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: 24, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 20, negative conditional: 10, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 164, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 146, negative conditional: 49, negative unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1177, positive: 940, positive conditional: 0, positive unconditional: 940, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 212, unknown conditional: 0, unknown unconditional: 212] , Statistics on independence cache: Total cache size (in pairs): 226, Positive cache size: 206, Positive conditional cache size: 4, Positive unconditional cache size: 202, Negative cache size: 20, Negative conditional cache size: 10, Negative unconditional cache size: 10, SemanticConditionEliminator.Independence Queries: [ total: 86, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 75, negative conditional: 25, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 86, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 75, negative conditional: 25, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 20, negative conditional: 10, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 164, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 146, negative conditional: 49, negative unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 86, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 65, negative conditional: 15, negative unconditional: 50, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 226, Positive cache size: 206, Positive conditional cache size: 4, Positive unconditional cache size: 202, Negative cache size: 20, Negative conditional cache size: 10, Negative unconditional cache size: 10, Eliminated conditions: 50, SemanticConditionEliminator.Independence Queries: [ total: 86, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 75, negative conditional: 25, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 86, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 75, negative conditional: 25, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 20, negative conditional: 10, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 164, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 146, negative conditional: 49, negative unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 86, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 65, negative conditional: 15, negative unconditional: 50, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 226, Positive cache size: 206, Positive conditional cache size: 4, Positive unconditional cache size: 202, Negative cache size: 20, Negative conditional cache size: 10, Negative unconditional cache size: 10, Eliminated conditions: 50, SemanticConditionEliminator.Independence Queries: [ total: 86, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 75, negative conditional: 25, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 86, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 75, negative conditional: 25, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 20, negative conditional: 10, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 164, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 146, negative conditional: 49, negative unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 86, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 65, negative conditional: 15, negative unconditional: 50, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 226, Positive cache size: 206, Positive conditional cache size: 4, Positive unconditional cache size: 202, Negative cache size: 20, Negative conditional cache size: 10, Negative unconditional cache size: 10, Eliminated conditions: 50, SemanticConditionEliminator.Independence Queries: [ total: 86, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 75, negative conditional: 25, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 86, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 75, negative conditional: 25, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 20, negative conditional: 10, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 164, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 146, negative conditional: 49, negative unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 86, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 65, negative conditional: 15, negative unconditional: 50, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 226, Positive cache size: 206, Positive conditional cache size: 4, Positive unconditional cache size: 202, Negative cache size: 20, Negative conditional cache size: 10, Negative unconditional cache size: 10, Eliminated conditions: 50 ], Maximal queried relation: 4, Independence queries for same thread: 51 - 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: 1053.9ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.1ms, PartialOrderReductionTime: 612.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 28, 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: 13.3ms SsaConstructionTime, 54.5ms SatisfiabilityAnalysisTime, 240.7ms InterpolantComputationTime, 115 NumberOfCodeBlocks, 115 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 111 ConstructedInterpolants, 0 QuantifiedInterpolants, 404 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...