/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-NewStatesSleep-NoLbe-Symm.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe006_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 19:27:49,851 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 19:27:49,853 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 19:27:49,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-16 19:27:49,924 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-16 19:27:49,924 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-16 19:27:49,925 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-16 19:27:49,930 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-NewStatesSleep-NoLbe-Symm.epf [2021-06-16 19:27:49,948 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 19:27:49,950 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 19:27:49,950 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-16 19:27:49,950 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-16 19:27:49,952 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 19:27:49,952 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 19:27:49,952 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 19:27:49,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 19:27:49,952 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 19:27:49,953 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 19:27:49,953 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 19:27:49,953 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 19:27:49,953 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 19:27:49,953 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 19:27:49,953 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 19:27:49,954 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 19:27:49,954 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 19:27:49,954 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 19:27:49,954 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 19:27:49,954 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 19:27:49,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 19:27:49,954 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 19:27:49,954 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 19:27:49,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 19:27:49,954 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 19:27:49,954 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 19:27:49,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 19:27:49,955 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 19:27:49,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 19:27:49,955 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 19:27:49,955 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-16 19:27:49,955 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 19:27:49,955 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-16 19:27:49,955 INFO L138 SettingsManager]: * Limit POR to symmetric independence in concurrent analysis=true [2021-06-16 19:27:49,955 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 19:27:50,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 19:27:50,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 19:27:50,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 19:27:50,225 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-16 19:27:50,225 INFO L275 PluginConnector]: CDTParser initialized [2021-06-16 19:27:50,226 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe006_tso.opt.i [2021-06-16 19:27:50,294 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fb4e0061/c1805d98bf6c4f66b7dce82bd1ecaf20/FLAG4a1c072be [2021-06-16 19:27:50,717 INFO L306 CDTParser]: Found 1 translation units. [2021-06-16 19:27:50,718 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe006_tso.opt.i [2021-06-16 19:27:50,751 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fb4e0061/c1805d98bf6c4f66b7dce82bd1ecaf20/FLAG4a1c072be [2021-06-16 19:27:51,260 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fb4e0061/c1805d98bf6c4f66b7dce82bd1ecaf20 [2021-06-16 19:27:51,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 19:27:51,264 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-16 19:27:51,270 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-16 19:27:51,270 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-16 19:27:51,294 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-16 19:27:51,295 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 07:27:51" (1/1) ... [2021-06-16 19:27:51,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58f4b640 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:27:51, skipping insertion in model container [2021-06-16 19:27:51,296 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 07:27:51" (1/1) ... [2021-06-16 19:27:51,302 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-16 19:27:51,346 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-16 19:27:51,523 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/safe006_tso.opt.i[949,962] [2021-06-16 19:27:51,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 19:27:51,723 INFO L203 MainTranslator]: Completed pre-run [2021-06-16 19:27:51,732 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/safe006_tso.opt.i[949,962] [2021-06-16 19:27:51,754 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 19:27:51,812 INFO L208 MainTranslator]: Completed translation [2021-06-16 19:27:51,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:27:51 WrapperNode [2021-06-16 19:27:51,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-16 19:27:51,813 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 19:27:51,813 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 19:27:51,813 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 19:27:51,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:27:51" (1/1) ... [2021-06-16 19:27:51,830 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:27:51" (1/1) ... [2021-06-16 19:27:51,845 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 19:27:51,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 19:27:51,846 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 19:27:51,846 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 19:27:51,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:27:51" (1/1) ... [2021-06-16 19:27:51,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:27:51" (1/1) ... [2021-06-16 19:27:51,855 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:27:51" (1/1) ... [2021-06-16 19:27:51,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:27:51" (1/1) ... [2021-06-16 19:27:51,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:27:51" (1/1) ... [2021-06-16 19:27:51,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:27:51" (1/1) ... [2021-06-16 19:27:51,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:27:51" (1/1) ... [2021-06-16 19:27:51,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 19:27:51,865 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 19:27:51,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 19:27:51,865 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 19:27:51,866 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:27:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 19:27:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-16 19:27:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-16 19:27:51,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-16 19:27:51,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-16 19:27:51,930 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-16 19:27:51,930 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-16 19:27:51,930 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-16 19:27:51,931 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-16 19:27:51,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-16 19:27:51,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-16 19:27:51,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 19:27:51,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 19:27:51,932 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-16 19:27:52,236 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 19:27:52,237 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-16 19:27:52,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 07:27:52 BoogieIcfgContainer [2021-06-16 19:27:52,238 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 19:27:52,239 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 19:27:52,239 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 19:27:52,241 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 19:27:52,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.06 07:27:51" (1/3) ... [2021-06-16 19:27:52,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@395886e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 07:27:52, skipping insertion in model container [2021-06-16 19:27:52,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:27:51" (2/3) ... [2021-06-16 19:27:52,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@395886e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 07:27:52, skipping insertion in model container [2021-06-16 19:27:52,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 07:27:52" (3/3) ... [2021-06-16 19:27:52,242 INFO L111 eAbstractionObserver]: Analyzing ICFG safe006_tso.opt.i [2021-06-16 19:27:52,246 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 19:27:52,246 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 19:27:52,246 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-16 19:27:52,247 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 19:27:52,260 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:52,260 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:52,261 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:52,261 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:52,261 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:52,261 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:52,261 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:52,261 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:52,261 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:52,261 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:52,262 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:52,262 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:52,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:52,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:52,262 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:52,262 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:52,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:52,263 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:52,263 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:52,263 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:52,263 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:52,263 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:52,263 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:52,263 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:52,264 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:52,265 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:52,265 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:52,265 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:52,268 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:52,268 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:52,268 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:52,268 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:52,269 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-16 19:27:52,282 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 [2021-06-16 19:27:52,322 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 19:27:52,322 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 19:27:52,322 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 19:27:52,322 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 19:27:52,322 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 19:27:52,322 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 19:27:52,322 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 19:27:52,322 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 19:27:52,358 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 19:27:52,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 19:27:52,361 INFO L82 PathProgramCache]: Analyzing trace with hash 929813881, now seen corresponding path program 1 times [2021-06-16 19:27:52,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 19:27:52,367 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233423076] [2021-06-16 19:27:52,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 19:27:52,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 19:27:52,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 19:27:52,529 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 19:27:52,529 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233423076] [2021-06-16 19:27:52,530 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233423076] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 19:27:52,530 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 19:27:52,530 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-16 19:27:52,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292417423] [2021-06-16 19:27:52,534 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-16 19:27:52,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 19:27:52,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-16 19:27:52,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-16 19:27:52,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:27:52,549 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 19:27:52,550 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 19:27:52,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:27:52,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:27:52,565 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-16 19:27:52,565 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 19:27:52,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 19:27:52,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1311383737, now seen corresponding path program 1 times [2021-06-16 19:27:52,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 19:27:52,568 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096930271] [2021-06-16 19:27:52,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 19:27:52,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 19:27:52,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 19:27:52,795 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 19:27:52,795 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096930271] [2021-06-16 19:27:52,795 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096930271] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 19:27:52,795 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 19:27:52,795 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-16 19:27:52,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643465437] [2021-06-16 19:27:52,796 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-16 19:27:52,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 19:27:52,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-16 19:27:52,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-16 19:27:52,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:27:52,797 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 19:27:52,797 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 19:27:52,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:27:52,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:27:52,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:27:52,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 19:27:52,970 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-16 19:27:52,971 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 19:27:52,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 19:27:52,972 INFO L82 PathProgramCache]: Analyzing trace with hash 481631866, now seen corresponding path program 1 times [2021-06-16 19:27:52,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 19:27:52,972 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523666963] [2021-06-16 19:27:52,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 19:27:53,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 19:27:53,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 19:27:53,094 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 19:27:53,095 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523666963] [2021-06-16 19:27:53,095 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523666963] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 19:27:53,095 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 19:27:53,095 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-16 19:27:53,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760668397] [2021-06-16 19:27:53,095 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-16 19:27:53,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 19:27:53,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-16 19:27:53,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-16 19:27:53,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:27:53,096 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 19:27:53,096 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 19:27:53,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:27:53,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 19:27:53,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:27:53,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:27:53,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 19:27:53,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 19:27:53,401 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-16 19:27:53,401 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 19:27:53,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 19:27:53,401 INFO L82 PathProgramCache]: Analyzing trace with hash 659226972, now seen corresponding path program 1 times [2021-06-16 19:27:53,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 19:27:53,402 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989707503] [2021-06-16 19:27:53,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 19:27:53,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 19:27:53,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 19:27:53,501 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 19:27:53,501 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989707503] [2021-06-16 19:27:53,501 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989707503] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 19:27:53,502 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 19:27:53,502 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-16 19:27:53,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728854317] [2021-06-16 19:27:53,502 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-16 19:27:53,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 19:27:53,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-16 19:27:53,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-16 19:27:53,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:27:53,503 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 19:27:53,503 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 19:27:53,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:27:53,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 19:27:53,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 19:27:53,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:27:53,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:27:53,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 19:27:53,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 19:27:53,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 19:27:53,833 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-16 19:27:53,845 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-16 19:27:53,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.06 07:27:53 BasicIcfg [2021-06-16 19:27:53,846 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-16 19:27:53,847 INFO L168 Benchmark]: Toolchain (without parser) took 2583.32 ms. Allocated memory was 172.0 MB in the beginning and 231.7 MB in the end (delta: 59.8 MB). Free memory was 133.9 MB in the beginning and 185.0 MB in the end (delta: -51.1 MB). Peak memory consumption was 85.6 MB. Max. memory is 8.0 GB. [2021-06-16 19:27:53,847 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 172.0 MB. Free memory is still 152.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 19:27:53,848 INFO L168 Benchmark]: CACSL2BoogieTranslator took 545.65 ms. Allocated memory is still 172.0 MB. Free memory was 133.7 MB in the beginning and 133.6 MB in the end (delta: 166.9 kB). Peak memory consumption was 15.4 MB. Max. memory is 8.0 GB. [2021-06-16 19:27:53,848 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.21 ms. Allocated memory is still 172.0 MB. Free memory was 133.6 MB in the beginning and 132.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-16 19:27:53,848 INFO L168 Benchmark]: Boogie Preprocessor took 18.48 ms. Allocated memory is still 172.0 MB. Free memory was 132.0 MB in the beginning and 130.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-16 19:27:53,850 INFO L168 Benchmark]: RCFGBuilder took 372.93 ms. Allocated memory is still 172.0 MB. Free memory was 130.4 MB in the beginning and 109.4 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-06-16 19:27:53,851 INFO L168 Benchmark]: TraceAbstraction took 1607.30 ms. Allocated memory was 172.0 MB in the beginning and 231.7 MB in the end (delta: 59.8 MB). Free memory was 109.4 MB in the beginning and 185.0 MB in the end (delta: -75.6 MB). Peak memory consumption was 59.7 MB. Max. memory is 8.0 GB. [2021-06-16 19:27:53,852 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 172.0 MB. Free memory is still 152.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 545.65 ms. Allocated memory is still 172.0 MB. Free memory was 133.7 MB in the beginning and 133.6 MB in the end (delta: 166.9 kB). Peak memory consumption was 15.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 32.21 ms. Allocated memory is still 172.0 MB. Free memory was 133.6 MB in the beginning and 132.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 18.48 ms. Allocated memory is still 172.0 MB. Free memory was 132.0 MB in the beginning and 130.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 372.93 ms. Allocated memory is still 172.0 MB. Free memory was 130.4 MB in the beginning and 109.4 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1607.30 ms. Allocated memory was 172.0 MB in the beginning and 231.7 MB in the end (delta: 59.8 MB). Free memory was 109.4 MB in the beginning and 185.0 MB in the end (delta: -75.6 MB). Peak memory consumption was 59.7 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: 8430, positive: 8239, positive conditional: 8239, positive unconditional: 0, negative: 191, negative conditional: 191, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 8348, positive: 8239, positive conditional: 8239, positive unconditional: 0, negative: 109, negative conditional: 109, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 8348, positive: 8222, positive conditional: 0, positive unconditional: 8222, negative: 126, negative conditional: 0, negative unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 342, positive: 336, positive conditional: 0, positive unconditional: 336, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 342, positive: 335, positive conditional: 0, positive unconditional: 335, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 4, positive conditional: 3, positive unconditional: 1, negative: 16, negative conditional: 10, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 74, positive: 24, positive conditional: 20, positive unconditional: 4, negative: 49, negative conditional: 19, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8348, positive: 7886, positive conditional: 0, positive unconditional: 7886, negative: 120, negative conditional: 0, negative unconditional: 120, unknown: 342, unknown conditional: 0, unknown unconditional: 342] , Statistics on independence cache: Total cache size (in pairs): 355, Positive cache size: 339, Positive conditional cache size: 3, Positive unconditional cache size: 336, Negative cache size: 16, Negative conditional cache size: 10, Negative unconditional cache size: 6, SemanticConditionEliminator.Independence Queries: [ total: 441, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 424, negative conditional: 73, negative unconditional: 351, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 441, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 424, negative conditional: 73, negative unconditional: 351, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 4, positive conditional: 3, positive unconditional: 1, negative: 16, negative conditional: 10, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 74, positive: 24, positive conditional: 20, positive unconditional: 4, negative: 49, negative conditional: 19, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 441, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 414, negative conditional: 63, negative unconditional: 351, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 355, Positive cache size: 339, Positive conditional cache size: 3, Positive unconditional cache size: 336, Negative cache size: 16, Negative conditional cache size: 10, Negative unconditional cache size: 6, Eliminated conditions: 351, SemanticConditionEliminator.Independence Queries: [ total: 441, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 424, negative conditional: 73, negative unconditional: 351, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 441, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 424, negative conditional: 73, negative unconditional: 351, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 4, positive conditional: 3, positive unconditional: 1, negative: 16, negative conditional: 10, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 74, positive: 24, positive conditional: 20, positive unconditional: 4, negative: 49, negative conditional: 19, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 441, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 414, negative conditional: 63, negative unconditional: 351, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 355, Positive cache size: 339, Positive conditional cache size: 3, Positive unconditional cache size: 336, Negative cache size: 16, Negative conditional cache size: 10, Negative unconditional cache size: 6, Eliminated conditions: 351, SemanticConditionEliminator.Independence Queries: [ total: 441, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 424, negative conditional: 73, negative unconditional: 351, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 441, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 424, negative conditional: 73, negative unconditional: 351, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 4, positive conditional: 3, positive unconditional: 1, negative: 16, negative conditional: 10, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 74, positive: 24, positive conditional: 20, positive unconditional: 4, negative: 49, negative conditional: 19, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 441, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 414, negative conditional: 63, negative unconditional: 351, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 355, Positive cache size: 339, Positive conditional cache size: 3, Positive unconditional cache size: 336, Negative cache size: 16, Negative conditional cache size: 10, Negative unconditional cache size: 6, Eliminated conditions: 351, SemanticConditionEliminator.Independence Queries: [ total: 441, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 424, negative conditional: 73, negative unconditional: 351, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 441, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 424, negative conditional: 73, negative unconditional: 351, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 4, positive conditional: 3, positive unconditional: 1, negative: 16, negative conditional: 10, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 74, positive: 24, positive conditional: 20, positive unconditional: 4, negative: 49, negative conditional: 19, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 441, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 414, negative conditional: 63, negative unconditional: 351, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 355, Positive cache size: 339, Positive conditional cache size: 3, Positive unconditional cache size: 336, Negative cache size: 16, Negative conditional cache size: 10, Negative unconditional cache size: 6, Eliminated conditions: 351 ], Maximal queried relation: 4, Independence queries for same thread: 82 - 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 5 procedures, 82 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1541.3ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.2ms, PartialOrderReductionTime: 845.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 39, 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: 18.2ms SsaConstructionTime, 128.2ms SatisfiabilityAnalysisTime, 387.4ms InterpolantComputationTime, 190 NumberOfCodeBlocks, 190 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 186 ConstructedInterpolants, 0 QuantifiedInterpolants, 546 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...