/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/sync01.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 23:34:32,731 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 23:34:32,732 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 23:34:32,751 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 23:34:32,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 23:34:32,773 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 23:34:32,774 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 23:34:32,774 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random7777.epf [2021-07-14 23:34:32,790 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 23:34:32,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 23:34:32,790 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 23:34:32,790 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 23:34:32,791 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 23:34:32,792 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 23:34:32,792 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 23:34:32,792 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 23:34:32,792 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 23:34:32,792 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 23:34:32,792 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 23:34:32,793 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 23:34:32,793 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 23:34:32,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 23:34:32,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 23:34:32,793 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 23:34:32,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 23:34:32,794 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 23:34:32,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 23:34:32,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 23:34:32,794 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 23:34:32,794 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 23:34:32,794 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 23:34:32,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 23:34:32,795 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 23:34:32,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 23:34:32,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 23:34:32,795 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 23:34:32,795 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-14 23:34:32,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 23:34:32,796 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 23:34:32,796 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 23:34:32,796 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 23:34:32,796 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 23:34:32,796 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-14 23:34:32,796 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 23:34:33,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 23:34:33,080 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 23:34:33,082 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 23:34:33,082 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-14 23:34:33,083 INFO L275 PluginConnector]: CDTParser initialized [2021-07-14 23:34:33,083 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/sync01.i [2021-07-14 23:34:33,163 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/346a974d6/6a2a17cab1e3462782bdd8e14bfe866c/FLAG1b2106032 [2021-07-14 23:34:33,596 INFO L306 CDTParser]: Found 1 translation units. [2021-07-14 23:34:33,596 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i [2021-07-14 23:34:33,610 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/346a974d6/6a2a17cab1e3462782bdd8e14bfe866c/FLAG1b2106032 [2021-07-14 23:34:33,625 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/346a974d6/6a2a17cab1e3462782bdd8e14bfe866c [2021-07-14 23:34:33,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 23:34:33,629 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-14 23:34:33,631 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-14 23:34:33,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-14 23:34:33,634 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-14 23:34:33,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 11:34:33" (1/1) ... [2021-07-14 23:34:33,635 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49422eb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 11:34:33, skipping insertion in model container [2021-07-14 23:34:33,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 11:34:33" (1/1) ... [2021-07-14 23:34:33,644 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-14 23:34:33,683 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-14 23:34:34,045 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i[42004,42017] [2021-07-14 23:34:34,049 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 23:34:34,061 INFO L203 MainTranslator]: Completed pre-run [2021-07-14 23:34:34,094 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i[42004,42017] [2021-07-14 23:34:34,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 23:34:34,154 INFO L208 MainTranslator]: Completed translation [2021-07-14 23:34:34,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 11:34:34 WrapperNode [2021-07-14 23:34:34,155 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-14 23:34:34,155 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 23:34:34,155 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 23:34:34,155 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 23:34:34,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 11:34:34" (1/1) ... [2021-07-14 23:34:34,185 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 11:34:34" (1/1) ... [2021-07-14 23:34:34,206 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 23:34:34,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 23:34:34,207 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 23:34:34,207 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 23:34:34,212 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 11:34:34" (1/1) ... [2021-07-14 23:34:34,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 11:34:34" (1/1) ... [2021-07-14 23:34:34,222 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 11:34:34" (1/1) ... [2021-07-14 23:34:34,222 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 11:34:34" (1/1) ... [2021-07-14 23:34:34,231 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 11:34:34" (1/1) ... [2021-07-14 23:34:34,233 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 11:34:34" (1/1) ... [2021-07-14 23:34:34,234 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 11:34:34" (1/1) ... [2021-07-14 23:34:34,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 23:34:34,237 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 23:34:34,237 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 23:34:34,237 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 23:34:34,237 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 11:34:34" (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 [2021-07-14 23:34:34,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-14 23:34:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-14 23:34:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-14 23:34:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 23:34:34,293 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 23:34:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 23:34:34,294 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 23:34:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-14 23:34:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-07-14 23:34:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-14 23:34:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 23:34:34,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 23:34:34,295 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 23:34:34,636 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 23:34:34,636 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-07-14 23:34:34,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 11:34:34 BoogieIcfgContainer [2021-07-14 23:34:34,637 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 23:34:34,638 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 23:34:34,639 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 23:34:34,642 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 23:34:34,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 11:34:33" (1/3) ... [2021-07-14 23:34:34,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@375d3ed0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 11:34:34, skipping insertion in model container [2021-07-14 23:34:34,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 11:34:34" (2/3) ... [2021-07-14 23:34:34,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@375d3ed0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 11:34:34, skipping insertion in model container [2021-07-14 23:34:34,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 11:34:34" (3/3) ... [2021-07-14 23:34:34,645 INFO L111 eAbstractionObserver]: Analyzing ICFG sync01.i [2021-07-14 23:34:34,651 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 23:34:34,652 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 23:34:34,652 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 23:34:34,652 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 23:34:34,679 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,680 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,680 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,680 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,681 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,683 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,683 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,683 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,683 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,683 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,683 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,684 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,684 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,684 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,684 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,684 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,684 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,684 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,685 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,685 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,685 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,686 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,686 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,686 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,686 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,686 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,688 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,688 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,688 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,689 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,689 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,689 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,689 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,689 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,689 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,689 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,690 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,690 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,690 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,690 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,690 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,690 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,690 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,690 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,691 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,691 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,691 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,691 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,691 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,691 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,691 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,691 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,693 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,693 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,693 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,693 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,694 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,694 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,694 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,698 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,698 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,698 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,698 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,698 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,698 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,698 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 23:34:34,721 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-07-14 23:34:34,741 INFO L255 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 [2021-07-14 23:34:34,811 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 23:34:34,811 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 23:34:34,811 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 23:34:34,812 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 23:34:34,812 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 23:34:34,812 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 23:34:34,812 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 23:34:34,812 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 23:34:34,966 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 23:34:34,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:34:34,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1506813229, now seen corresponding path program 1 times [2021-07-14 23:34:34,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:34:34,976 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965898088] [2021-07-14 23:34:34,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:34:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:34:35,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:34:35,148 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:34:35,150 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965898088] [2021-07-14 23:34:35,150 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965898088] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 23:34:35,151 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 23:34:35,151 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 23:34:35,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139460354] [2021-07-14 23:34:35,156 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-14 23:34:35,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:34:35,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-14 23:34:35,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-14 23:34:35,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:34:35,172 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:34:35,174 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 39.0) internal successors, (78), 2 states have internal predecessors, (78), 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) [2021-07-14 23:34:35,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:34:35,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:34:35,198 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 23:34:35,198 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 23:34:35,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:34:35,198 INFO L82 PathProgramCache]: Analyzing trace with hash 778050226, now seen corresponding path program 1 times [2021-07-14 23:34:35,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:34:35,199 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077089202] [2021-07-14 23:34:35,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:34:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:34:35,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:34:35,346 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:34:35,346 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077089202] [2021-07-14 23:34:35,346 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077089202] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 23:34:35,346 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 23:34:35,346 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 23:34:35,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561841966] [2021-07-14 23:34:35,347 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 23:34:35,348 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:34:35,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 23:34:35,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 23:34:35,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:34:35,349 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:34:35,349 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2021-07-14 23:34:35,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:34:35,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:34:35,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:34:35,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:34:35,459 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 23:34:35,459 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 23:34:35,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:34:35,465 INFO L82 PathProgramCache]: Analyzing trace with hash 81165898, now seen corresponding path program 1 times [2021-07-14 23:34:35,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:34:35,466 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480917519] [2021-07-14 23:34:35,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:34:35,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:34:35,516 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:34:35,516 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:34:35,516 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480917519] [2021-07-14 23:34:35,516 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480917519] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 23:34:35,516 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 23:34:35,516 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 23:34:35,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630296289] [2021-07-14 23:34:35,517 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 23:34:35,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:34:35,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 23:34:35,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 23:34:35,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:34:35,517 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:34:35,518 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 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) [2021-07-14 23:34:35,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:34:35,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:34:35,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:34:35,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:34:35,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:34:35,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:34:35,562 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 23:34:35,562 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 23:34:35,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:34:35,562 INFO L82 PathProgramCache]: Analyzing trace with hash -591465668, now seen corresponding path program 2 times [2021-07-14 23:34:35,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:34:35,563 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362468170] [2021-07-14 23:34:35,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:34:35,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:34:35,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:34:35,927 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:34:35,927 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362468170] [2021-07-14 23:34:35,927 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362468170] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:34:35,927 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [915759599] [2021-07-14 23:34:35,927 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 23:34:36,013 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 23:34:36,014 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 23:34:36,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 23:34:36,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 23:34:36,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:34:36,330 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [915759599] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 23:34:36,330 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-14 23:34:36,330 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2021-07-14 23:34:36,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545008658] [2021-07-14 23:34:36,331 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 23:34:36,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:34:36,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 23:34:36,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2021-07-14 23:34:36,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:34:36,332 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:34:36,332 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 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) [2021-07-14 23:34:36,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:34:36,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:34:36,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:34:36,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:34:36,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:34:36,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:34:36,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:34:36,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:34:36,708 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 23:34:36,714 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 23:34:36,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 11:34:36 BasicIcfg [2021-07-14 23:34:36,716 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 23:34:36,716 INFO L168 Benchmark]: Toolchain (without parser) took 3086.88 ms. Allocated memory was 183.5 MB in the beginning and 272.6 MB in the end (delta: 89.1 MB). Free memory was 146.7 MB in the beginning and 181.2 MB in the end (delta: -34.5 MB). Peak memory consumption was 55.4 MB. Max. memory is 8.0 GB. [2021-07-14 23:34:36,716 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 183.5 MB. Free memory was 165.4 MB in the beginning and 165.3 MB in the end (delta: 140.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 23:34:36,716 INFO L168 Benchmark]: CACSL2BoogieTranslator took 523.32 ms. Allocated memory is still 183.5 MB. Free memory was 146.5 MB in the beginning and 148.3 MB in the end (delta: -1.8 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-07-14 23:34:36,716 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.73 ms. Allocated memory is still 183.5 MB. Free memory was 148.3 MB in the beginning and 146.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 23:34:36,717 INFO L168 Benchmark]: Boogie Preprocessor took 29.60 ms. Allocated memory is still 183.5 MB. Free memory was 146.2 MB in the beginning and 144.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 23:34:36,717 INFO L168 Benchmark]: RCFGBuilder took 400.74 ms. Allocated memory is still 183.5 MB. Free memory was 144.7 MB in the beginning and 116.9 MB in the end (delta: 27.8 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. [2021-07-14 23:34:36,717 INFO L168 Benchmark]: TraceAbstraction took 2077.23 ms. Allocated memory was 183.5 MB in the beginning and 272.6 MB in the end (delta: 89.1 MB). Free memory was 116.9 MB in the beginning and 181.2 MB in the end (delta: -64.3 MB). Peak memory consumption was 26.4 MB. Max. memory is 8.0 GB. [2021-07-14 23:34:36,717 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 183.5 MB. Free memory was 165.4 MB in the beginning and 165.3 MB in the end (delta: 140.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 523.32 ms. Allocated memory is still 183.5 MB. Free memory was 146.5 MB in the beginning and 148.3 MB in the end (delta: -1.8 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 50.73 ms. Allocated memory is still 183.5 MB. Free memory was 148.3 MB in the beginning and 146.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 29.60 ms. Allocated memory is still 183.5 MB. Free memory was 146.2 MB in the beginning and 144.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 400.74 ms. Allocated memory is still 183.5 MB. Free memory was 144.7 MB in the beginning and 116.9 MB in the end (delta: 27.8 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2077.23 ms. Allocated memory was 183.5 MB in the beginning and 272.6 MB in the end (delta: 89.1 MB). Free memory was 116.9 MB in the beginning and 181.2 MB in the end (delta: -64.3 MB). Peak memory consumption was 26.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5250, positive: 5083, positive conditional: 911, positive unconditional: 4172, negative: 167, negative conditional: 119, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 5145, positive: 5083, positive conditional: 911, positive unconditional: 4172, negative: 62, negative conditional: 14, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 5145, positive: 5077, positive conditional: 0, positive unconditional: 5077, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1429, positive: 1405, positive conditional: 0, positive unconditional: 1405, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1429, positive: 1397, positive conditional: 0, positive unconditional: 1397, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 35, positive: 9, positive conditional: 1, positive unconditional: 8, negative: 26, negative conditional: 2, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 137, positive: 69, positive conditional: 1, positive unconditional: 68, negative: 68, negative conditional: 3, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5145, positive: 3672, positive conditional: 0, positive unconditional: 3672, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 1429, unknown conditional: 0, unknown unconditional: 1429] , Statistics on independence cache: Total cache size (in pairs): 1432, Positive cache size: 1406, Positive conditional cache size: 1, Positive unconditional cache size: 1405, Negative cache size: 26, Negative conditional cache size: 2, Negative unconditional cache size: 24, SemanticConditionEliminator.Independence Queries: [ total: 167, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 161, negative conditional: 9, negative unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 167, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 161, negative conditional: 9, negative unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 35, positive: 9, positive conditional: 1, positive unconditional: 8, negative: 26, negative conditional: 2, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 137, positive: 69, positive conditional: 1, positive unconditional: 68, negative: 68, negative conditional: 3, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 167, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 159, negative conditional: 7, negative unconditional: 152, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1432, Positive cache size: 1406, Positive conditional cache size: 1, Positive unconditional cache size: 1405, Negative cache size: 26, Negative conditional cache size: 2, Negative unconditional cache size: 24, Eliminated conditions: 50, SemanticConditionEliminator.Independence Queries: [ total: 167, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 161, negative conditional: 9, negative unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 167, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 161, negative conditional: 9, negative unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 35, positive: 9, positive conditional: 1, positive unconditional: 8, negative: 26, negative conditional: 2, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 137, positive: 69, positive conditional: 1, positive unconditional: 68, negative: 68, negative conditional: 3, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 167, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 159, negative conditional: 7, negative unconditional: 152, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1432, Positive cache size: 1406, Positive conditional cache size: 1, Positive unconditional cache size: 1405, Negative cache size: 26, Negative conditional cache size: 2, Negative unconditional cache size: 24, Eliminated conditions: 50, SemanticConditionEliminator.Independence Queries: [ total: 167, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 161, negative conditional: 9, negative unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 167, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 161, negative conditional: 9, negative unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 35, positive: 9, positive conditional: 1, positive unconditional: 8, negative: 26, negative conditional: 2, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 137, positive: 69, positive conditional: 1, positive unconditional: 68, negative: 68, negative conditional: 3, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 167, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 159, negative conditional: 7, negative unconditional: 152, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1432, Positive cache size: 1406, Positive conditional cache size: 1, Positive unconditional cache size: 1405, Negative cache size: 26, Negative conditional cache size: 2, Negative unconditional cache size: 24, Eliminated conditions: 50, SemanticConditionEliminator.Independence Queries: [ total: 167, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 161, negative conditional: 9, negative unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 167, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 161, negative conditional: 9, negative unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 35, positive: 9, positive conditional: 1, positive unconditional: 8, negative: 26, negative conditional: 2, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 137, positive: 69, positive conditional: 1, positive unconditional: 68, negative: 68, negative conditional: 3, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 167, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 159, negative conditional: 7, negative unconditional: 152, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1432, Positive cache size: 1406, Positive conditional cache size: 1, Positive unconditional cache size: 1405, Negative cache size: 26, Negative conditional cache size: 2, Negative unconditional cache size: 24, Eliminated conditions: 50 ], Maximal queried relation: 4, Independence queries for same thread: 105 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 204, Number of persistent set computation: 395, Number of trivial persistent sets: 395, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5250, positive: 5083, positive conditional: 911, positive unconditional: 4172, negative: 167, negative conditional: 119, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 5145, positive: 5083, positive conditional: 911, positive unconditional: 4172, negative: 62, negative conditional: 14, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 5145, positive: 5077, positive conditional: 0, positive unconditional: 5077, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1429, positive: 1405, positive conditional: 0, positive unconditional: 1405, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1429, positive: 1397, positive conditional: 0, positive unconditional: 1397, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 35, positive: 9, positive conditional: 1, positive unconditional: 8, negative: 26, negative conditional: 2, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 137, positive: 69, positive conditional: 1, positive unconditional: 68, negative: 68, negative conditional: 3, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5145, positive: 3672, positive conditional: 0, positive unconditional: 3672, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 1429, unknown conditional: 0, unknown unconditional: 1429] , Statistics on independence cache: Total cache size (in pairs): 1432, Positive cache size: 1406, Positive conditional cache size: 1, Positive unconditional cache size: 1405, Negative cache size: 26, Negative conditional cache size: 2, Negative unconditional cache size: 24, SemanticConditionEliminator.Independence Queries: [ total: 167, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 161, negative conditional: 9, negative unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 167, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 161, negative conditional: 9, negative unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 35, positive: 9, positive conditional: 1, positive unconditional: 8, negative: 26, negative conditional: 2, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 137, positive: 69, positive conditional: 1, positive unconditional: 68, negative: 68, negative conditional: 3, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 167, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 159, negative conditional: 7, negative unconditional: 152, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1432, Positive cache size: 1406, Positive conditional cache size: 1, Positive unconditional cache size: 1405, Negative cache size: 26, Negative conditional cache size: 2, Negative unconditional cache size: 24, Eliminated conditions: 50, SemanticConditionEliminator.Independence Queries: [ total: 167, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 161, negative conditional: 9, negative unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 167, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 161, negative conditional: 9, negative unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 35, positive: 9, positive conditional: 1, positive unconditional: 8, negative: 26, negative conditional: 2, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 137, positive: 69, positive conditional: 1, positive unconditional: 68, negative: 68, negative conditional: 3, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 167, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 159, negative conditional: 7, negative unconditional: 152, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1432, Positive cache size: 1406, Positive conditional cache size: 1, Positive unconditional cache size: 1405, Negative cache size: 26, Negative conditional cache size: 2, Negative unconditional cache size: 24, Eliminated conditions: 50, SemanticConditionEliminator.Independence Queries: [ total: 167, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 161, negative conditional: 9, negative unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 167, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 161, negative conditional: 9, negative unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 35, positive: 9, positive conditional: 1, positive unconditional: 8, negative: 26, negative conditional: 2, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 137, positive: 69, positive conditional: 1, positive unconditional: 68, negative: 68, negative conditional: 3, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 167, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 159, negative conditional: 7, negative unconditional: 152, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1432, Positive cache size: 1406, Positive conditional cache size: 1, Positive unconditional cache size: 1405, Negative cache size: 26, Negative conditional cache size: 2, Negative unconditional cache size: 24, Eliminated conditions: 50, SemanticConditionEliminator.Independence Queries: [ total: 167, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 161, negative conditional: 9, negative unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 167, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 161, negative conditional: 9, negative unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 35, positive: 9, positive conditional: 1, positive unconditional: 8, negative: 26, negative conditional: 2, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 137, positive: 69, positive conditional: 1, positive unconditional: 68, negative: 68, negative conditional: 3, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 167, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 159, negative conditional: 7, negative unconditional: 152, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1432, Positive cache size: 1406, Positive conditional cache size: 1, Positive unconditional cache size: 1405, Negative cache size: 26, Negative conditional cache size: 2, Negative unconditional cache size: 24, Eliminated conditions: 50 ], Maximal queried relation: 4, Independence queries for same thread: 105 - PositiveResult [Line: 966]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 126 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1954.6ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.4ms, PartialOrderReductionTime: 466.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 16, 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: 33.1ms SsaConstructionTime, 148.5ms SatisfiabilityAnalysisTime, 817.4ms InterpolantComputationTime, 406 NumberOfCodeBlocks, 406 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 401 ConstructedInterpolants, 0 QuantifiedInterpolants, 1497 SizeOfPredicates, 5 NumberOfNonLiveVariables, 207 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 7/8 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...