/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-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe001_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 20:07:15,736 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 20:07:15,738 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 20:07:15,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 20:07:15,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 20:07:15,839 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 20:07:15,840 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 20:07:15,843 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-Random42.epf [2021-07-14 20:07:15,870 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 20:07:15,870 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 20:07:15,871 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 20:07:15,871 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 20:07:15,873 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 20:07:15,873 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 20:07:15,873 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 20:07:15,873 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 20:07:15,874 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 20:07:15,874 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 20:07:15,874 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 20:07:15,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 20:07:15,875 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 20:07:15,875 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 20:07:15,875 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 20:07:15,875 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 20:07:15,875 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 20:07:15,875 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 20:07:15,875 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 20:07:15,875 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 20:07:15,876 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 20:07:15,876 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 20:07:15,876 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 20:07:15,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 20:07:15,876 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 20:07:15,876 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 20:07:15,876 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 20:07:15,876 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 20:07:15,876 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-14 20:07:15,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 20:07:15,877 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 20:07:15,877 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 20:07:15,877 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 20:07:15,877 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 20:07:15,877 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-14 20:07:15,877 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 20:07:16,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 20:07:16,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 20:07:16,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 20:07:16,146 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-14 20:07:16,147 INFO L275 PluginConnector]: CDTParser initialized [2021-07-14 20:07:16,147 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe001_tso.opt.i [2021-07-14 20:07:16,195 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db1739bee/4d31fd8f6c76428e8391111ba7272087/FLAG36a8042bc [2021-07-14 20:07:16,720 INFO L306 CDTParser]: Found 1 translation units. [2021-07-14 20:07:16,721 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe001_tso.opt.i [2021-07-14 20:07:16,731 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db1739bee/4d31fd8f6c76428e8391111ba7272087/FLAG36a8042bc [2021-07-14 20:07:17,041 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db1739bee/4d31fd8f6c76428e8391111ba7272087 [2021-07-14 20:07:17,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 20:07:17,044 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-14 20:07:17,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-14 20:07:17,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-14 20:07:17,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-14 20:07:17,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 08:07:17" (1/1) ... [2021-07-14 20:07:17,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@82d48a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:07:17, skipping insertion in model container [2021-07-14 20:07:17,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 08:07:17" (1/1) ... [2021-07-14 20:07:17,057 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-14 20:07:17,094 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-14 20:07:17,187 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-wmm/safe001_tso.opt.i[949,962] [2021-07-14 20:07:17,364 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 20:07:17,370 INFO L203 MainTranslator]: Completed pre-run [2021-07-14 20:07:17,379 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-wmm/safe001_tso.opt.i[949,962] [2021-07-14 20:07:17,405 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 20:07:17,427 INFO L208 MainTranslator]: Completed translation [2021-07-14 20:07:17,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:07:17 WrapperNode [2021-07-14 20:07:17,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-14 20:07:17,429 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 20:07:17,429 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 20:07:17,429 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 20:07:17,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:07:17" (1/1) ... [2021-07-14 20:07:17,442 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:07:17" (1/1) ... [2021-07-14 20:07:17,454 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 20:07:17,454 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 20:07:17,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 20:07:17,455 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 20:07:17,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:07:17" (1/1) ... [2021-07-14 20:07:17,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:07:17" (1/1) ... [2021-07-14 20:07:17,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:07:17" (1/1) ... [2021-07-14 20:07:17,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:07:17" (1/1) ... [2021-07-14 20:07:17,464 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:07:17" (1/1) ... [2021-07-14 20:07:17,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:07:17" (1/1) ... [2021-07-14 20:07:17,466 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:07:17" (1/1) ... [2021-07-14 20:07:17,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 20:07:17,468 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 20:07:17,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 20:07:17,468 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 20:07:17,469 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:07:17" (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 20:07:17,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-14 20:07:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-14 20:07:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-14 20:07:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-14 20:07:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-07-14 20:07:17,608 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-07-14 20:07:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-07-14 20:07:17,608 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-07-14 20:07:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-07-14 20:07:17,608 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-07-14 20:07:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-14 20:07:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-14 20:07:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 20:07:17,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 20:07:17,610 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 20:07:17,919 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 20:07:17,919 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-07-14 20:07:17,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 08:07:17 BoogieIcfgContainer [2021-07-14 20:07:17,920 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 20:07:17,922 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 20:07:17,922 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 20:07:17,923 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 20:07:17,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 08:07:17" (1/3) ... [2021-07-14 20:07:17,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13a8d7f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 08:07:17, skipping insertion in model container [2021-07-14 20:07:17,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:07:17" (2/3) ... [2021-07-14 20:07:17,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13a8d7f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 08:07:17, skipping insertion in model container [2021-07-14 20:07:17,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 08:07:17" (3/3) ... [2021-07-14 20:07:17,926 INFO L111 eAbstractionObserver]: Analyzing ICFG safe001_tso.opt.i [2021-07-14 20:07:17,931 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 20:07:17,931 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 20:07:17,932 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 20:07:17,932 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 20:07:17,957 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,957 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,958 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,958 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,958 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,958 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,958 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,958 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,958 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,958 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,959 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,959 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,959 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,959 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,959 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,959 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,960 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,961 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,961 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,961 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,964 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,964 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,964 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,964 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,967 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,967 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,967 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,968 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,968 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,968 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,968 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,969 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,969 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,969 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,969 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,969 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,971 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,972 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,972 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,972 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,975 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,975 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,975 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,976 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,977 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,977 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,978 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,978 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:07:17,980 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-14 20:07:17,996 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 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 20:07:18,159 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 20:07:18,160 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 20:07:18,160 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 20:07:18,160 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 20:07:18,160 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 20:07:18,160 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 20:07:18,160 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 20:07:18,160 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 20:07:18,336 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 20:07:18,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:07:18,339 INFO L82 PathProgramCache]: Analyzing trace with hash -2104725928, now seen corresponding path program 1 times [2021-07-14 20:07:18,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:07:18,349 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347897296] [2021-07-14 20:07:18,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:07:18,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:07:18,708 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 20:07:18,709 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:07:18,709 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347897296] [2021-07-14 20:07:18,709 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347897296] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 20:07:18,709 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 20:07:18,710 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-14 20:07:18,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617039626] [2021-07-14 20:07:18,717 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 20:07:18,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:07:18,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 20:07:18,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-14 20:07:18,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:07:18,728 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:07:18,729 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 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 20:07:18,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:07:19,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:07:19,362 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 20:07:19,362 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 20:07:19,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:07:19,363 INFO L82 PathProgramCache]: Analyzing trace with hash -1547071430, now seen corresponding path program 2 times [2021-07-14 20:07:19,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:07:19,363 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559177150] [2021-07-14 20:07:19,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:07:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:07:19,593 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 20:07:19,594 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:07:19,594 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559177150] [2021-07-14 20:07:19,594 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559177150] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 20:07:19,594 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 20:07:19,594 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-14 20:07:19,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408335630] [2021-07-14 20:07:19,595 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 20:07:19,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:07:19,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 20:07:19,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-07-14 20:07:19,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:07:19,596 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:07:19,597 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 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 20:07:19,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:07:19,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:07:20,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:07:20,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 20:07:20,271 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 20:07:20,271 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 20:07:20,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:07:20,277 INFO L82 PathProgramCache]: Analyzing trace with hash 132268910, now seen corresponding path program 1 times [2021-07-14 20:07:20,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:07:20,278 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021142143] [2021-07-14 20:07:20,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:07:20,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:07:20,421 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 20:07:20,421 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:07:20,422 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021142143] [2021-07-14 20:07:20,422 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021142143] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 20:07:20,422 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 20:07:20,422 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-14 20:07:20,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683161186] [2021-07-14 20:07:20,423 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 20:07:20,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:07:20,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 20:07:20,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-14 20:07:20,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:07:20,425 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:07:20,425 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 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 20:07:20,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:07:20,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 20:07:20,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:07:21,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:07:21,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 20:07:21,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:07:21,172 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 20:07:21,186 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 20:07:21,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 08:07:21 BasicIcfg [2021-07-14 20:07:21,187 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 20:07:21,189 INFO L168 Benchmark]: Toolchain (without parser) took 4143.71 ms. Allocated memory was 161.5 MB in the beginning and 355.5 MB in the end (delta: 194.0 MB). Free memory was 122.5 MB in the beginning and 227.9 MB in the end (delta: -105.3 MB). Peak memory consumption was 199.0 MB. Max. memory is 8.0 GB. [2021-07-14 20:07:21,190 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 161.5 MB. Free memory is still 141.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 20:07:21,192 INFO L168 Benchmark]: CACSL2BoogieTranslator took 380.11 ms. Allocated memory is still 161.5 MB. Free memory was 122.3 MB in the beginning and 134.5 MB in the end (delta: -12.2 MB). Peak memory consumption was 12.4 MB. Max. memory is 8.0 GB. [2021-07-14 20:07:21,192 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.40 ms. Allocated memory is still 161.5 MB. Free memory was 134.5 MB in the beginning and 132.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 20:07:21,192 INFO L168 Benchmark]: Boogie Preprocessor took 13.01 ms. Allocated memory is still 161.5 MB. Free memory was 132.8 MB in the beginning and 131.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 20:07:21,192 INFO L168 Benchmark]: RCFGBuilder took 452.60 ms. Allocated memory is still 161.5 MB. Free memory was 131.4 MB in the beginning and 107.8 MB in the end (delta: 23.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-07-14 20:07:21,192 INFO L168 Benchmark]: TraceAbstraction took 3266.06 ms. Allocated memory was 161.5 MB in the beginning and 355.5 MB in the end (delta: 194.0 MB). Free memory was 107.2 MB in the beginning and 227.9 MB in the end (delta: -120.6 MB). Peak memory consumption was 183.5 MB. Max. memory is 8.0 GB. [2021-07-14 20:07:21,194 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 161.5 MB. Free memory is still 141.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 380.11 ms. Allocated memory is still 161.5 MB. Free memory was 122.3 MB in the beginning and 134.5 MB in the end (delta: -12.2 MB). Peak memory consumption was 12.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 25.40 ms. Allocated memory is still 161.5 MB. Free memory was 134.5 MB in the beginning and 132.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 13.01 ms. Allocated memory is still 161.5 MB. Free memory was 132.8 MB in the beginning and 131.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 452.60 ms. Allocated memory is still 161.5 MB. Free memory was 131.4 MB in the beginning and 107.8 MB in the end (delta: 23.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3266.06 ms. Allocated memory was 161.5 MB in the beginning and 355.5 MB in the end (delta: 194.0 MB). Free memory was 107.2 MB in the beginning and 227.9 MB in the end (delta: -120.6 MB). Peak memory consumption was 183.5 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: 69140, positive: 66600, positive conditional: 59512, positive unconditional: 7088, negative: 2540, negative conditional: 2415, negative unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 67334, positive: 66600, positive conditional: 59512, positive unconditional: 7088, negative: 734, negative conditional: 609, negative unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 67334, positive: 65781, positive conditional: 0, positive unconditional: 65781, negative: 1553, negative conditional: 0, negative unconditional: 1553, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1396, positive: 1367, positive conditional: 0, positive unconditional: 1367, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1396, positive: 1361, positive conditional: 0, positive unconditional: 1361, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 35, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 66, positive: 26, positive conditional: 20, positive unconditional: 6, negative: 40, negative conditional: 11, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 170, positive: 45, positive conditional: 27, positive unconditional: 17, negative: 126, negative conditional: 13, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 67334, positive: 64414, positive conditional: 0, positive unconditional: 64414, negative: 1524, negative conditional: 0, negative unconditional: 1524, unknown: 1396, unknown conditional: 0, unknown unconditional: 1396] , Statistics on independence cache: Total cache size (in pairs): 1427, Positive cache size: 1387, Positive conditional cache size: 20, Positive unconditional cache size: 1367, Negative cache size: 40, Negative conditional cache size: 11, Negative unconditional cache size: 29, SemanticConditionEliminator.Independence Queries: [ total: 2995, positive: 819, positive conditional: 819, positive unconditional: 0, negative: 2176, negative conditional: 212, negative unconditional: 1964, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2995, positive: 819, positive conditional: 819, positive unconditional: 0, negative: 2176, negative conditional: 212, negative unconditional: 1964, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 66, positive: 26, positive conditional: 20, positive unconditional: 6, negative: 40, negative conditional: 11, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 170, positive: 45, positive conditional: 27, positive unconditional: 17, negative: 126, negative conditional: 13, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2995, positive: 799, positive conditional: 799, positive unconditional: 0, negative: 2165, negative conditional: 201, negative unconditional: 1964, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1427, Positive cache size: 1387, Positive conditional cache size: 20, Positive unconditional cache size: 1367, Negative cache size: 40, Negative conditional cache size: 11, Negative unconditional cache size: 29, Eliminated conditions: 1832, SemanticConditionEliminator.Independence Queries: [ total: 2995, positive: 819, positive conditional: 819, positive unconditional: 0, negative: 2176, negative conditional: 212, negative unconditional: 1964, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2995, positive: 819, positive conditional: 819, positive unconditional: 0, negative: 2176, negative conditional: 212, negative unconditional: 1964, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 66, positive: 26, positive conditional: 20, positive unconditional: 6, negative: 40, negative conditional: 11, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 170, positive: 45, positive conditional: 27, positive unconditional: 17, negative: 126, negative conditional: 13, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2995, positive: 799, positive conditional: 799, positive unconditional: 0, negative: 2165, negative conditional: 201, negative unconditional: 1964, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1427, Positive cache size: 1387, Positive conditional cache size: 20, Positive unconditional cache size: 1367, Negative cache size: 40, Negative conditional cache size: 11, Negative unconditional cache size: 29, Eliminated conditions: 1832, SemanticConditionEliminator.Independence Queries: [ total: 2995, positive: 819, positive conditional: 819, positive unconditional: 0, negative: 2176, negative conditional: 212, negative unconditional: 1964, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2995, positive: 819, positive conditional: 819, positive unconditional: 0, negative: 2176, negative conditional: 212, negative unconditional: 1964, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 66, positive: 26, positive conditional: 20, positive unconditional: 6, negative: 40, negative conditional: 11, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 170, positive: 45, positive conditional: 27, positive unconditional: 17, negative: 126, negative conditional: 13, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2995, positive: 799, positive conditional: 799, positive unconditional: 0, negative: 2165, negative conditional: 201, negative unconditional: 1964, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1427, Positive cache size: 1387, Positive conditional cache size: 20, Positive unconditional cache size: 1367, Negative cache size: 40, Negative conditional cache size: 11, Negative unconditional cache size: 29, Eliminated conditions: 1832 ], Maximal queried relation: 3, Independence queries for same thread: 1806 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 357, Number of persistent set computation: 4198, Number of trivial persistent sets: 1659, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 69140, positive: 66600, positive conditional: 59512, positive unconditional: 7088, negative: 2540, negative conditional: 2415, negative unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 67334, positive: 66600, positive conditional: 59512, positive unconditional: 7088, negative: 734, negative conditional: 609, negative unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 67334, positive: 65781, positive conditional: 0, positive unconditional: 65781, negative: 1553, negative conditional: 0, negative unconditional: 1553, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1396, positive: 1367, positive conditional: 0, positive unconditional: 1367, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1396, positive: 1361, positive conditional: 0, positive unconditional: 1361, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 35, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 66, positive: 26, positive conditional: 20, positive unconditional: 6, negative: 40, negative conditional: 11, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 170, positive: 45, positive conditional: 27, positive unconditional: 17, negative: 126, negative conditional: 13, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 67334, positive: 64414, positive conditional: 0, positive unconditional: 64414, negative: 1524, negative conditional: 0, negative unconditional: 1524, unknown: 1396, unknown conditional: 0, unknown unconditional: 1396] , Statistics on independence cache: Total cache size (in pairs): 1427, Positive cache size: 1387, Positive conditional cache size: 20, Positive unconditional cache size: 1367, Negative cache size: 40, Negative conditional cache size: 11, Negative unconditional cache size: 29, SemanticConditionEliminator.Independence Queries: [ total: 2995, positive: 819, positive conditional: 819, positive unconditional: 0, negative: 2176, negative conditional: 212, negative unconditional: 1964, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2995, positive: 819, positive conditional: 819, positive unconditional: 0, negative: 2176, negative conditional: 212, negative unconditional: 1964, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 66, positive: 26, positive conditional: 20, positive unconditional: 6, negative: 40, negative conditional: 11, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 170, positive: 45, positive conditional: 27, positive unconditional: 17, negative: 126, negative conditional: 13, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2995, positive: 799, positive conditional: 799, positive unconditional: 0, negative: 2165, negative conditional: 201, negative unconditional: 1964, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1427, Positive cache size: 1387, Positive conditional cache size: 20, Positive unconditional cache size: 1367, Negative cache size: 40, Negative conditional cache size: 11, Negative unconditional cache size: 29, Eliminated conditions: 1832, SemanticConditionEliminator.Independence Queries: [ total: 2995, positive: 819, positive conditional: 819, positive unconditional: 0, negative: 2176, negative conditional: 212, negative unconditional: 1964, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2995, positive: 819, positive conditional: 819, positive unconditional: 0, negative: 2176, negative conditional: 212, negative unconditional: 1964, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 66, positive: 26, positive conditional: 20, positive unconditional: 6, negative: 40, negative conditional: 11, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 170, positive: 45, positive conditional: 27, positive unconditional: 17, negative: 126, negative conditional: 13, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2995, positive: 799, positive conditional: 799, positive unconditional: 0, negative: 2165, negative conditional: 201, negative unconditional: 1964, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1427, Positive cache size: 1387, Positive conditional cache size: 20, Positive unconditional cache size: 1367, Negative cache size: 40, Negative conditional cache size: 11, Negative unconditional cache size: 29, Eliminated conditions: 1832, SemanticConditionEliminator.Independence Queries: [ total: 2995, positive: 819, positive conditional: 819, positive unconditional: 0, negative: 2176, negative conditional: 212, negative unconditional: 1964, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2995, positive: 819, positive conditional: 819, positive unconditional: 0, negative: 2176, negative conditional: 212, negative unconditional: 1964, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 66, positive: 26, positive conditional: 20, positive unconditional: 6, negative: 40, negative conditional: 11, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 170, positive: 45, positive conditional: 27, positive unconditional: 17, negative: 126, negative conditional: 13, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2995, positive: 799, positive conditional: 799, positive unconditional: 0, negative: 2165, negative conditional: 201, negative unconditional: 1964, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1427, Positive cache size: 1387, Positive conditional cache size: 20, Positive unconditional cache size: 1367, Negative cache size: 40, Negative conditional cache size: 11, Negative unconditional cache size: 29, Eliminated conditions: 1832 ], Maximal queried relation: 3, Independence queries for same thread: 1806 - PositiveResult [Line: 18]: 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 7 procedures, 106 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3168.8ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.3ms, PartialOrderReductionTime: 2213.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 44, 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: 37.3ms SsaConstructionTime, 122.0ms SatisfiabilityAnalysisTime, 492.7ms InterpolantComputationTime, 194 NumberOfCodeBlocks, 194 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 191 ConstructedInterpolants, 0 QuantifiedInterpolants, 671 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...