/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-New_States.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-ext/23_lu-fig2.fixed.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 12:14:38,240 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 12:14:38,242 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 12:14:38,278 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-12 12:14:38,332 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-12 12:14:38,332 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-12 12:14:38,333 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-12 12:14:38,336 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-New_States.epf [2021-03-12 12:14:38,370 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 12:14:38,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 12:14:38,371 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 12:14:38,371 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 12:14:38,374 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 12:14:38,374 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 12:14:38,374 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 12:14:38,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 12:14:38,374 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 12:14:38,375 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 12:14:38,375 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 12:14:38,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 12:14:38,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 12:14:38,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 12:14:38,376 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 12:14:38,376 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 12:14:38,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 12:14:38,376 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 12:14:38,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 12:14:38,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 12:14:38,377 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 12:14:38,377 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 12:14:38,377 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 12:14:38,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 12:14:38,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 12:14:38,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 12:14:38,378 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 12:14:38,378 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 12:14:38,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 12:14:38,378 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-12 12:14:38,378 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 12:14:38,378 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 12:14:38,379 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-03-12 12:14:38,379 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 12:14:38,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 12:14:38,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 12:14:38,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 12:14:38,729 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-12 12:14:38,730 INFO L275 PluginConnector]: CDTParser initialized [2021-03-12 12:14:38,731 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/23_lu-fig2.fixed.i [2021-03-12 12:14:38,788 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/432ff0c3c/a341025332634a6daaa1eb4b92609c5c/FLAG5303ebb4c [2021-03-12 12:14:39,248 INFO L306 CDTParser]: Found 1 translation units. [2021-03-12 12:14:39,249 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/23_lu-fig2.fixed.i [2021-03-12 12:14:39,268 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/432ff0c3c/a341025332634a6daaa1eb4b92609c5c/FLAG5303ebb4c [2021-03-12 12:14:39,572 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/432ff0c3c/a341025332634a6daaa1eb4b92609c5c [2021-03-12 12:14:39,573 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 12:14:39,578 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-12 12:14:39,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-12 12:14:39,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-12 12:14:39,581 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-12 12:14:39,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 12:14:39" (1/1) ... [2021-03-12 12:14:39,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ac495f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 12:14:39, skipping insertion in model container [2021-03-12 12:14:39,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 12:14:39" (1/1) ... [2021-03-12 12:14:39,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-12 12:14:39,628 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-12 12:14:39,853 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/23_lu-fig2.fixed.i[30382,30395] [2021-03-12 12:14:39,890 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/23_lu-fig2.fixed.i[30752,30765] [2021-03-12 12:14:39,895 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 12:14:39,903 INFO L203 MainTranslator]: Completed pre-run [2021-03-12 12:14:39,956 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/23_lu-fig2.fixed.i[30382,30395] [2021-03-12 12:14:39,960 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/23_lu-fig2.fixed.i[30752,30765] [2021-03-12 12:14:39,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 12:14:40,033 INFO L208 MainTranslator]: Completed translation [2021-03-12 12:14:40,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 12:14:40 WrapperNode [2021-03-12 12:14:40,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-12 12:14:40,036 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 12:14:40,036 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 12:14:40,036 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 12:14:40,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 12:14:40" (1/1) ... [2021-03-12 12:14:40,069 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 12:14:40" (1/1) ... [2021-03-12 12:14:40,093 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 12:14:40,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 12:14:40,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 12:14:40,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 12:14:40,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 12:14:40" (1/1) ... [2021-03-12 12:14:40,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 12:14:40" (1/1) ... [2021-03-12 12:14:40,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 12:14:40" (1/1) ... [2021-03-12 12:14:40,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 12:14:40" (1/1) ... [2021-03-12 12:14:40,120 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 12:14:40" (1/1) ... [2021-03-12 12:14:40,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 12:14:40" (1/1) ... [2021-03-12 12:14:40,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 12:14:40" (1/1) ... [2021-03-12 12:14:40,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 12:14:40,126 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 12:14:40,126 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 12:14:40,127 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 12:14:40,127 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 12:14:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 12:14:40,207 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-03-12 12:14:40,208 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-03-12 12:14:40,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-12 12:14:40,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-12 12:14:40,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-12 12:14:40,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-12 12:14:40,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 12:14:40,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 12:14:40,210 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-12 12:14:40,773 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 12:14:40,774 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-03-12 12:14:40,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 12:14:40 BoogieIcfgContainer [2021-03-12 12:14:40,775 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 12:14:40,776 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 12:14:40,776 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 12:14:40,779 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 12:14:40,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.03 12:14:39" (1/3) ... [2021-03-12 12:14:40,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34344e66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 12:14:40, skipping insertion in model container [2021-03-12 12:14:40,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 12:14:40" (2/3) ... [2021-03-12 12:14:40,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34344e66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 12:14:40, skipping insertion in model container [2021-03-12 12:14:40,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 12:14:40" (3/3) ... [2021-03-12 12:14:40,781 INFO L111 eAbstractionObserver]: Analyzing ICFG 23_lu-fig2.fixed.i [2021-03-12 12:14:40,785 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 12:14:40,786 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 12:14:40,790 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-12 12:14:40,791 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 12:14:40,814 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 12:14:40,815 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 12:14:40,815 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 12:14:40,815 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 12:14:40,815 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 12:14:40,815 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 12:14:40,815 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 12:14:40,815 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 12:14:40,816 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~PR_CreateThread__RES~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 12:14:40,816 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~PR_CreateThread__RES~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 12:14:40,816 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 12:14:40,816 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 12:14:40,816 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 12:14:40,816 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 12:14:40,816 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~PR_CreateThread__RES~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 12:14:40,817 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_#in~PR_CreateThread__RES| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 12:14:40,817 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_~PR_CreateThread__RES not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 12:14:40,817 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~PR_CreateThread__RES~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 12:14:40,817 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_#in~PR_CreateThread__RES| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 12:14:40,817 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_~PR_CreateThread__RES not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 12:14:40,817 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~PR_CreateThread__RES~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 12:14:40,817 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_#in~PR_CreateThread__RES| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 12:14:40,817 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_~PR_CreateThread__RES not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 12:14:40,818 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~PR_CreateThread__RES~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 12:14:40,818 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_#in~PR_CreateThread__RES| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 12:14:40,819 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_~PR_CreateThread__RES not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 12:14:40,819 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 12:14:40,819 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 12:14:40,819 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 12:14:40,819 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 12:14:40,819 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 12:14:40,819 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 12:14:40,819 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 12:14:40,820 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 12:14:40,822 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 12:14:40,822 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 12:14:40,822 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 12:14:40,822 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 12:14:40,822 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 12:14:40,822 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_#in~PR_CreateThread__RES| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 12:14:40,822 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~PR_CreateThread__RES~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 12:14:40,823 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 12:14:40,823 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_~PR_CreateThread__RES not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 12:14:40,825 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-12 12:14:40,838 INFO L253 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 [2021-03-12 12:14:40,903 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 12:14:40,903 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 12:14:40,903 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 12:14:40,903 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 12:14:40,903 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 12:14:40,903 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 12:14:40,904 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 12:14:40,904 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 12:14:40,925 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 12:14:40,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 12:14:40,929 INFO L82 PathProgramCache]: Analyzing trace with hash -15491423, now seen corresponding path program 1 times [2021-03-12 12:14:40,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 12:14:40,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870055216] [2021-03-12 12:14:40,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 12:14:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 12:14:41,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 12:14:41,090 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870055216] [2021-03-12 12:14:41,090 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 12:14:41,090 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-12 12:14:41,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070718069] [2021-03-12 12:14:41,095 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 12:14:41,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 12:14:41,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 12:14:41,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 12:14:41,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 12:14:41,109 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 12:14:41,110 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 12:14:41,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 12:14:41,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 12:14:41,131 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 12:14:41,131 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 12:14:41,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 12:14:41,134 INFO L82 PathProgramCache]: Analyzing trace with hash 685672553, now seen corresponding path program 1 times [2021-03-12 12:14:41,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 12:14:41,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392198205] [2021-03-12 12:14:41,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 12:14:41,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 12:14:41,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 12:14:41,262 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392198205] [2021-03-12 12:14:41,262 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 12:14:41,262 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 12:14:41,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761493686] [2021-03-12 12:14:41,263 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-12 12:14:41,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 12:14:41,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-12 12:14:41,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-12 12:14:41,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 12:14:41,264 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 12:14:41,264 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 12:14:41,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 12:14:41,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 12:14:41,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 12:14:41,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 12:14:41,422 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-12 12:14:41,422 INFO L428 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 12:14:41,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 12:14:41,423 INFO L82 PathProgramCache]: Analyzing trace with hash 1653107495, now seen corresponding path program 1 times [2021-03-12 12:14:41,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 12:14:41,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661067571] [2021-03-12 12:14:41,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 12:14:41,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 12:14:41,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 12:14:41,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661067571] [2021-03-12 12:14:41,474 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 12:14:41,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-12 12:14:41,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78745249] [2021-03-12 12:14:41,475 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-12 12:14:41,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 12:14:41,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-12 12:14:41,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-12 12:14:41,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 12:14:41,476 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 12:14:41,476 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 12:14:41,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 12:14:41,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 12:14:41,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 12:14:41,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 12:14:41,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 12:14:41,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 12:14:41,600 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-12 12:14:41,600 INFO L428 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 12:14:41,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 12:14:41,601 INFO L82 PathProgramCache]: Analyzing trace with hash 2083057318, now seen corresponding path program 1 times [2021-03-12 12:14:41,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 12:14:41,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024804418] [2021-03-12 12:14:41,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 12:14:41,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 12:14:41,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 12:14:41,640 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024804418] [2021-03-12 12:14:41,640 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 12:14:41,640 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 12:14:41,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199409054] [2021-03-12 12:14:41,640 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 12:14:41,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 12:14:41,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 12:14:41,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 12:14:41,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 12:14:41,641 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 12:14:41,641 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 12:14:41,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 12:14:41,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 12:14:41,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 12:14:41,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 12:14:41,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 12:14:41,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 12:14:41,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 12:14:41,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 12:14:41,679 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-12 12:14:41,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 12:14:41 BasicIcfg [2021-03-12 12:14:41,687 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 12:14:41,688 INFO L168 Benchmark]: Toolchain (without parser) took 2112.69 ms. Allocated memory was 255.9 MB in the beginning and 379.6 MB in the end (delta: 123.7 MB). Free memory was 234.2 MB in the beginning and 326.3 MB in the end (delta: -92.1 MB). Peak memory consumption was 32.6 MB. Max. memory is 16.0 GB. [2021-03-12 12:14:41,688 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 12:14:41,688 INFO L168 Benchmark]: CACSL2BoogieTranslator took 456.13 ms. Allocated memory was 255.9 MB in the beginning and 379.6 MB in the end (delta: 123.7 MB). Free memory was 233.5 MB in the beginning and 344.6 MB in the end (delta: -111.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-03-12 12:14:41,689 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.24 ms. Allocated memory is still 379.6 MB. Free memory was 344.6 MB in the beginning and 342.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 12:14:41,689 INFO L168 Benchmark]: Boogie Preprocessor took 31.81 ms. Allocated memory is still 379.6 MB. Free memory was 342.4 MB in the beginning and 341.5 MB in the end (delta: 959.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 12:14:41,690 INFO L168 Benchmark]: RCFGBuilder took 648.76 ms. Allocated memory is still 379.6 MB. Free memory was 341.4 MB in the beginning and 341.1 MB in the end (delta: 309.7 kB). Peak memory consumption was 26.7 MB. Max. memory is 16.0 GB. [2021-03-12 12:14:41,690 INFO L168 Benchmark]: TraceAbstraction took 910.61 ms. Allocated memory is still 379.6 MB. Free memory was 340.2 MB in the beginning and 326.3 MB in the end (delta: 13.9 MB). Peak memory consumption was 14.6 MB. Max. memory is 16.0 GB. [2021-03-12 12:14:41,692 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 456.13 ms. Allocated memory was 255.9 MB in the beginning and 379.6 MB in the end (delta: 123.7 MB). Free memory was 233.5 MB in the beginning and 344.6 MB in the end (delta: -111.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 57.24 ms. Allocated memory is still 379.6 MB. Free memory was 344.6 MB in the beginning and 342.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 31.81 ms. Allocated memory is still 379.6 MB. Free memory was 342.4 MB in the beginning and 341.5 MB in the end (delta: 959.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 648.76 ms. Allocated memory is still 379.6 MB. Free memory was 341.4 MB in the beginning and 341.1 MB in the end (delta: 309.7 kB). Peak memory consumption was 26.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 910.61 ms. Allocated memory is still 379.6 MB. Free memory was 340.2 MB in the beginning and 326.3 MB in the end (delta: 13.9 MB). Peak memory consumption was 14.6 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 485, positive: 353, positive conditional: 353, positive unconditional: 0, negative: 132, negative conditional: 132, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 365, positive: 353, positive conditional: 353, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 365, positive: 351, positive conditional: 0, positive unconditional: 351, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 149, positive: 142, positive conditional: 0, positive unconditional: 142, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 149, positive: 138, positive conditional: 0, positive unconditional: 138, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 15, negative conditional: 8, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 164, positive: 41, positive conditional: 11, positive unconditional: 30, negative: 123, negative conditional: 55, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 365, positive: 209, positive conditional: 0, positive unconditional: 209, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 149, unknown conditional: 0, unknown unconditional: 149] , Statistics on independence cache: Total cache size (in pairs): 158, Positive cache size: 143, Positive conditional cache size: 1, Positive unconditional cache size: 142, Negative cache size: 15, Negative conditional cache size: 8, Negative unconditional cache size: 7, SemanticConditionEliminator.Independence Queries: [ total: 43, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 41, negative conditional: 13, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 43, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 41, negative conditional: 13, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 15, negative conditional: 8, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 164, positive: 41, positive conditional: 11, positive unconditional: 30, negative: 123, negative conditional: 55, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 43, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 33, negative conditional: 5, negative unconditional: 28, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 158, Positive cache size: 143, Positive conditional cache size: 1, Positive unconditional cache size: 142, Negative cache size: 15, Negative conditional cache size: 8, Negative unconditional cache size: 7, Eliminated conditions: 28, SemanticConditionEliminator.Independence Queries: [ total: 43, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 41, negative conditional: 13, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 43, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 41, negative conditional: 13, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 15, negative conditional: 8, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 164, positive: 41, positive conditional: 11, positive unconditional: 30, negative: 123, negative conditional: 55, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 43, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 33, negative conditional: 5, negative unconditional: 28, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 158, Positive cache size: 143, Positive conditional cache size: 1, Positive unconditional cache size: 142, Negative cache size: 15, Negative conditional cache size: 8, Negative unconditional cache size: 7, Eliminated conditions: 28, SemanticConditionEliminator.Independence Queries: [ total: 43, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 41, negative conditional: 13, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 43, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 41, negative conditional: 13, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 15, negative conditional: 8, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 164, positive: 41, positive conditional: 11, positive unconditional: 30, negative: 123, negative conditional: 55, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 43, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 33, negative conditional: 5, negative unconditional: 28, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 158, Positive cache size: 143, Positive conditional cache size: 1, Positive unconditional cache size: 142, Negative cache size: 15, Negative conditional cache size: 8, Negative unconditional cache size: 7, Eliminated conditions: 28, SemanticConditionEliminator.Independence Queries: [ total: 43, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 41, negative conditional: 13, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 43, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 41, negative conditional: 13, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 15, negative conditional: 8, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 164, positive: 41, positive conditional: 11, positive unconditional: 30, negative: 123, negative conditional: 55, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 43, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 33, negative conditional: 5, negative unconditional: 28, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 158, Positive cache size: 143, Positive conditional cache size: 1, Positive unconditional cache size: 142, Negative cache size: 15, Negative conditional cache size: 8, Negative unconditional cache size: 7, Eliminated conditions: 28 ], Maximal queried relation: 4, Independence queries for same thread: 120 - PositiveResult [Line: 707]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 721]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 46 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 821.8ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.5ms, PartialOrderReductionTime: 349.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 14, 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: 9.8ms SsaConstructionTime, 63.2ms SatisfiabilityAnalysisTime, 212.0ms InterpolantComputationTime, 115 NumberOfCodeBlocks, 115 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 111 ConstructedInterpolants, 0 QuantifiedInterpolants, 272 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...