/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-POR-DelaySleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/peterson.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 13:03:12,117 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 13:03:12,119 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 13:03:12,143 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 13:03:12,152 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 13:03:12,153 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 13:03:12,153 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 13:03:12,154 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 13:03:12,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 13:03:12,156 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 13:03:12,157 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 13:03:12,159 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 13:03:12,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 13:03:12,166 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 13:03:12,167 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 13:03:12,168 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 13:03:12,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-06 13:03:12,177 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 13:03:12,177 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 13:03:12,178 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 13:03:12,188 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-DelaySleep-NoLbe-Random42.epf [2021-06-06 13:03:12,220 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 13:03:12,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 13:03:12,221 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 13:03:12,221 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 13:03:12,224 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 13:03:12,224 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 13:03:12,224 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 13:03:12,224 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 13:03:12,224 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 13:03:12,225 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 13:03:12,225 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 13:03:12,225 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 13:03:12,226 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 13:03:12,226 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 13:03:12,226 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 13:03:12,226 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 13:03:12,226 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 13:03:12,226 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 13:03:12,226 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 13:03:12,227 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 13:03:12,227 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 13:03:12,227 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 13:03:12,227 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 13:03:12,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 13:03:12,227 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 13:03:12,228 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 13:03:12,228 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 13:03:12,228 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 13:03:12,228 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-06 13:03:12,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 13:03:12,229 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 13:03:12,229 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 13:03:12,229 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 13:03:12,229 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 13:03:12,229 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-06 13:03:12,229 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 13:03:12,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 13:03:12,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 13:03:12,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 13:03:12,578 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-06 13:03:12,578 INFO L275 PluginConnector]: CDTParser initialized [2021-06-06 13:03:12,579 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/peterson.i [2021-06-06 13:03:12,641 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96795f800/4e218f3dc9284c4aa9a77d08f048081b/FLAGf1671c38a [2021-06-06 13:03:13,111 INFO L306 CDTParser]: Found 1 translation units. [2021-06-06 13:03:13,111 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i [2021-06-06 13:03:13,139 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96795f800/4e218f3dc9284c4aa9a77d08f048081b/FLAGf1671c38a [2021-06-06 13:03:13,647 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96795f800/4e218f3dc9284c4aa9a77d08f048081b [2021-06-06 13:03:13,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 13:03:13,651 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-06 13:03:13,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-06 13:03:13,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-06 13:03:13,655 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-06 13:03:13,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 01:03:13" (1/1) ... [2021-06-06 13:03:13,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55e31189 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:03:13, skipping insertion in model container [2021-06-06 13:03:13,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 01:03:13" (1/1) ... [2021-06-06 13:03:13,683 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-06 13:03:13,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-06 13:03:13,846 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-06-06 13:03:14,011 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-atomic/peterson.i[30997,31010] [2021-06-06 13:03:14,020 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-atomic/peterson.i[31682,31695] [2021-06-06 13:03:14,028 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 13:03:14,035 INFO L203 MainTranslator]: Completed pre-run [2021-06-06 13:03:14,058 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-06-06 13:03:14,080 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-atomic/peterson.i[30997,31010] [2021-06-06 13:03:14,082 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-atomic/peterson.i[31682,31695] [2021-06-06 13:03:14,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 13:03:14,152 INFO L208 MainTranslator]: Completed translation [2021-06-06 13:03:14,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:03:14 WrapperNode [2021-06-06 13:03:14,153 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-06 13:03:14,154 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 13:03:14,154 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 13:03:14,155 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 13:03:14,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:03:14" (1/1) ... [2021-06-06 13:03:14,190 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:03:14" (1/1) ... [2021-06-06 13:03:14,204 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 13:03:14,205 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 13:03:14,205 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 13:03:14,205 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 13:03:14,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:03:14" (1/1) ... [2021-06-06 13:03:14,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:03:14" (1/1) ... [2021-06-06 13:03:14,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:03:14" (1/1) ... [2021-06-06 13:03:14,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:03:14" (1/1) ... [2021-06-06 13:03:14,218 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:03:14" (1/1) ... [2021-06-06 13:03:14,221 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:03:14" (1/1) ... [2021-06-06 13:03:14,222 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:03:14" (1/1) ... [2021-06-06 13:03:14,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 13:03:14,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 13:03:14,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 13:03:14,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 13:03:14,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:03:14" (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 [2021-06-06 13:03:14,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-06 13:03:14,293 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-06-06 13:03:14,293 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-06-06 13:03:14,293 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-06-06 13:03:14,293 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-06-06 13:03:14,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-06 13:03:14,293 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-06 13:03:14,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-06 13:03:14,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-06 13:03:14,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-06 13:03:14,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-06 13:03:14,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 13:03:14,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 13:03:14,295 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 13:03:14,658 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 13:03:14,658 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-06-06 13:03:14,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 01:03:14 BoogieIcfgContainer [2021-06-06 13:03:14,660 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 13:03:14,662 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 13:03:14,662 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 13:03:14,664 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 13:03:14,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.06 01:03:13" (1/3) ... [2021-06-06 13:03:14,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c656f79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 01:03:14, skipping insertion in model container [2021-06-06 13:03:14,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:03:14" (2/3) ... [2021-06-06 13:03:14,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c656f79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 01:03:14, skipping insertion in model container [2021-06-06 13:03:14,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 01:03:14" (3/3) ... [2021-06-06 13:03:14,667 INFO L111 eAbstractionObserver]: Analyzing ICFG peterson.i [2021-06-06 13:03:14,672 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 13:03:14,672 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 13:03:14,672 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-06-06 13:03:14,673 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 13:03:14,698 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,699 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,699 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,699 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,699 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,699 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,699 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,700 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,700 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,700 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,700 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,700 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,701 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,701 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,701 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,701 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,701 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,701 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,702 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,702 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,702 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,702 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,702 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,703 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,703 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,703 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,703 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,703 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,704 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,704 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,704 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,704 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,704 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,705 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,705 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,705 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,705 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,705 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,705 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,706 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,706 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,706 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,706 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,706 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,706 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,707 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,707 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,707 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,707 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,707 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,707 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,708 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,708 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,708 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,708 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,708 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,710 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,710 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,710 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,711 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,711 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,711 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,715 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,715 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,716 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,716 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,716 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,716 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:03:14,727 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-06 13:03:14,747 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 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 [2021-06-06 13:03:14,801 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 13:03:14,802 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 13:03:14,802 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 13:03:14,802 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 13:03:14,802 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 13:03:14,802 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 13:03:14,803 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 13:03:14,803 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr2======== [2021-06-06 13:03:15,103 INFO L301 ceAbstractionStarter]: Result for error location thr2 was SAFE (1/5) [2021-06-06 13:03:15,105 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 13:03:15,112 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 13:03:15,112 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 13:03:15,112 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 13:03:15,112 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 13:03:15,112 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 13:03:15,112 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 13:03:15,113 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 13:03:15,113 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1======== [2021-06-06 13:03:15,263 INFO L301 ceAbstractionStarter]: Result for error location thr1 was SAFE (2/5) [2021-06-06 13:03:15,264 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 13:03:15,274 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 13:03:15,274 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 13:03:15,275 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 13:03:15,275 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 13:03:15,275 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 13:03:15,275 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 13:03:15,275 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 13:03:15,275 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1Thread1of1ForFork0======== [2021-06-06 13:03:15,315 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 13:03:15,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 13:03:15,319 INFO L82 PathProgramCache]: Analyzing trace with hash -58731572, now seen corresponding path program 1 times [2021-06-06 13:03:15,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 13:03:15,327 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655212808] [2021-06-06 13:03:15,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 13:03:15,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 13:03:15,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 13:03:15,498 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 13:03:15,498 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655212808] [2021-06-06 13:03:15,499 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655212808] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 13:03:15,499 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 13:03:15,499 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 13:03:15,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398478590] [2021-06-06 13:03:15,504 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 13:03:15,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 13:03:15,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 13:03:15,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 13:03:15,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:03:15,518 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 13:03:15,518 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 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) [2021-06-06 13:03:15,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:03:15,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 13:03:15,557 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 13:03:15,557 INFO L430 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 13:03:15,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 13:03:15,558 INFO L82 PathProgramCache]: Analyzing trace with hash -742415003, now seen corresponding path program 1 times [2021-06-06 13:03:15,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 13:03:15,558 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560092959] [2021-06-06 13:03:15,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 13:03:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 13:03:15,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 13:03:15,724 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 13:03:15,725 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560092959] [2021-06-06 13:03:15,725 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560092959] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 13:03:15,725 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 13:03:15,725 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-06 13:03:15,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086307656] [2021-06-06 13:03:15,726 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-06 13:03:15,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 13:03:15,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-06 13:03:15,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-06 13:03:15,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:03:15,727 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 13:03:15,727 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 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) [2021-06-06 13:03:15,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 13:03:15,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:03:15,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 13:03:15,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:03:15,896 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 13:03:15,896 INFO L430 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 13:03:15,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 13:03:15,897 INFO L82 PathProgramCache]: Analyzing trace with hash 335910965, now seen corresponding path program 2 times [2021-06-06 13:03:15,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 13:03:15,897 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168993725] [2021-06-06 13:03:15,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 13:03:15,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 13:03:15,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 13:03:15,961 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 13:03:15,961 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168993725] [2021-06-06 13:03:15,961 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168993725] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 13:03:15,961 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 13:03:15,961 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-06 13:03:15,961 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018732749] [2021-06-06 13:03:15,963 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-06 13:03:15,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 13:03:15,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-06 13:03:15,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-06 13:03:15,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:03:15,963 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 13:03:15,964 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 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) [2021-06-06 13:03:15,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 13:03:15,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:03:15,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:03:16,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 13:03:16,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:03:16,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:03:16,211 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-06 13:03:16,220 INFO L301 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE (3/5) [2021-06-06 13:03:16,222 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 13:03:16,237 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 13:03:16,237 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 13:03:16,237 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 13:03:16,237 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 13:03:16,238 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 13:03:16,238 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 13:03:16,238 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 13:03:16,238 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 13:03:16,342 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (4/5) [2021-06-06 13:03:16,343 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 13:03:16,347 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 13:03:16,348 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 13:03:16,348 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 13:03:16,348 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 13:03:16,348 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 13:03:16,348 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 13:03:16,348 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 13:03:16,348 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr2Thread1of1ForFork1======== [2021-06-06 13:03:16,351 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 13:03:16,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 13:03:16,351 INFO L82 PathProgramCache]: Analyzing trace with hash -444942119, now seen corresponding path program 1 times [2021-06-06 13:03:16,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 13:03:16,351 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639013118] [2021-06-06 13:03:16,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 13:03:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 13:03:16,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 13:03:16,399 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 13:03:16,399 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639013118] [2021-06-06 13:03:16,400 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639013118] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 13:03:16,400 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 13:03:16,400 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 13:03:16,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716399329] [2021-06-06 13:03:16,401 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 13:03:16,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 13:03:16,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 13:03:16,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 13:03:16,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:03:16,403 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 13:03:16,403 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 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) [2021-06-06 13:03:16,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:03:16,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 13:03:16,481 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-06 13:03:16,481 INFO L430 AbstractCegarLoop]: === Iteration 2 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 13:03:16,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 13:03:16,486 INFO L82 PathProgramCache]: Analyzing trace with hash 583258149, now seen corresponding path program 1 times [2021-06-06 13:03:16,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 13:03:16,488 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715691017] [2021-06-06 13:03:16,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 13:03:16,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 13:03:16,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 13:03:16,553 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 13:03:16,553 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715691017] [2021-06-06 13:03:16,605 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715691017] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 13:03:16,605 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 13:03:16,606 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-06 13:03:16,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161740085] [2021-06-06 13:03:16,606 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-06 13:03:16,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 13:03:16,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-06 13:03:16,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-06 13:03:16,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:03:16,607 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 13:03:16,607 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 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) [2021-06-06 13:03:16,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 13:03:16,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:03:16,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 13:03:16,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:03:16,758 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-06 13:03:16,758 INFO L430 AbstractCegarLoop]: === Iteration 3 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 13:03:16,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 13:03:16,759 INFO L82 PathProgramCache]: Analyzing trace with hash -524340497, now seen corresponding path program 2 times [2021-06-06 13:03:16,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 13:03:16,759 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296514826] [2021-06-06 13:03:16,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 13:03:16,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 13:03:16,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 13:03:16,810 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 13:03:16,810 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296514826] [2021-06-06 13:03:16,811 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296514826] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 13:03:16,811 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 13:03:16,811 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-06 13:03:16,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928879937] [2021-06-06 13:03:16,811 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-06 13:03:16,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 13:03:16,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-06 13:03:16,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-06 13:03:16,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:03:16,812 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 13:03:16,812 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 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) [2021-06-06 13:03:16,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 13:03:16,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:03:16,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:03:17,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 13:03:17,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:03:17,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:03:17,033 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-06 13:03:17,034 INFO L301 ceAbstractionStarter]: Result for error location thr2Thread1of1ForFork1 was SAFE (5/5) [2021-06-06 13:03:17,034 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 13:03:17,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 01:03:17 BasicIcfg [2021-06-06 13:03:17,036 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 13:03:17,037 INFO L168 Benchmark]: Toolchain (without parser) took 3386.53 ms. Allocated memory was 356.5 MB in the beginning and 434.1 MB in the end (delta: 77.6 MB). Free memory was 318.7 MB in the beginning and 305.4 MB in the end (delta: 13.3 MB). Peak memory consumption was 91.2 MB. Max. memory is 16.0 GB. [2021-06-06 13:03:17,037 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 356.5 MB. Free memory is still 336.8 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 13:03:17,038 INFO L168 Benchmark]: CACSL2BoogieTranslator took 501.84 ms. Allocated memory is still 356.5 MB. Free memory was 318.5 MB in the beginning and 318.8 MB in the end (delta: -290.6 kB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB. [2021-06-06 13:03:17,038 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.05 ms. Allocated memory is still 356.5 MB. Free memory was 318.8 MB in the beginning and 316.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 13:03:17,038 INFO L168 Benchmark]: Boogie Preprocessor took 19.26 ms. Allocated memory is still 356.5 MB. Free memory was 316.7 MB in the beginning and 315.7 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 13:03:17,038 INFO L168 Benchmark]: RCFGBuilder took 435.60 ms. Allocated memory is still 356.5 MB. Free memory was 315.7 MB in the beginning and 292.6 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-06-06 13:03:17,038 INFO L168 Benchmark]: TraceAbstraction took 2374.69 ms. Allocated memory was 356.5 MB in the beginning and 434.1 MB in the end (delta: 77.6 MB). Free memory was 291.6 MB in the beginning and 305.4 MB in the end (delta: -13.8 MB). Peak memory consumption was 64.9 MB. Max. memory is 16.0 GB. [2021-06-06 13:03:17,040 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 356.5 MB. Free memory is still 336.8 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 501.84 ms. Allocated memory is still 356.5 MB. Free memory was 318.5 MB in the beginning and 318.8 MB in the end (delta: -290.6 kB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 50.05 ms. Allocated memory is still 356.5 MB. Free memory was 318.8 MB in the beginning and 316.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 19.26 ms. Allocated memory is still 356.5 MB. Free memory was 316.7 MB in the beginning and 315.7 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 435.60 ms. Allocated memory is still 356.5 MB. Free memory was 315.7 MB in the beginning and 292.6 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2374.69 ms. Allocated memory was 356.5 MB in the beginning and 434.1 MB in the end (delta: 77.6 MB). Free memory was 291.6 MB in the beginning and 305.4 MB in the end (delta: -13.8 MB). Peak memory consumption was 64.9 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: 3656, positive: 2951, positive conditional: 2951, positive unconditional: 0, negative: 705, negative conditional: 705, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 3011, positive: 2951, positive conditional: 2951, positive unconditional: 0, negative: 60, negative conditional: 60, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 3011, positive: 2951, positive conditional: 0, positive unconditional: 2951, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 756, positive: 737, positive conditional: 0, positive unconditional: 737, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 756, positive: 736, positive conditional: 0, positive unconditional: 736, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 75, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3011, positive: 2214, positive conditional: 0, positive unconditional: 2214, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 756, unknown conditional: 0, unknown unconditional: 756] , Statistics on independence cache: Total cache size (in pairs): 756, Positive cache size: 737, Positive conditional cache size: 0, Positive unconditional cache size: 737, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19 ], Maximal queried relation: 0, Independence queries for same thread: 645 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3656, positive: 2951, positive conditional: 2951, positive unconditional: 0, negative: 705, negative conditional: 705, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 3011, positive: 2951, positive conditional: 2951, positive unconditional: 0, negative: 60, negative conditional: 60, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 3011, positive: 2951, positive conditional: 0, positive unconditional: 2951, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 756, positive: 737, positive conditional: 0, positive unconditional: 737, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 756, positive: 736, positive conditional: 0, positive unconditional: 736, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 75, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3011, positive: 2214, positive conditional: 0, positive unconditional: 2214, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 756, unknown conditional: 0, unknown unconditional: 756] , Statistics on independence cache: Total cache size (in pairs): 756, Positive cache size: 737, Positive conditional cache size: 0, Positive unconditional cache size: 737, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19 ], Maximal queried relation: 0, Independence queries for same thread: 645 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7722, positive: 6203, positive conditional: 6203, positive unconditional: 0, negative: 1519, negative conditional: 1519, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 6308, positive: 6203, positive conditional: 6203, positive unconditional: 0, negative: 105, negative conditional: 105, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 6308, positive: 6203, positive conditional: 0, positive unconditional: 6203, negative: 105, negative conditional: 0, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 745, positive: 723, positive conditional: 0, positive unconditional: 723, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 745, positive: 720, positive conditional: 0, positive unconditional: 720, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 33, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 30, negative conditional: 8, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 61, negative conditional: 14, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6308, positive: 5480, positive conditional: 0, positive unconditional: 5480, negative: 83, negative conditional: 0, negative unconditional: 83, unknown: 745, unknown conditional: 0, unknown unconditional: 745] , Statistics on independence cache: Total cache size (in pairs): 753, Positive cache size: 723, Positive conditional cache size: 0, Positive unconditional cache size: 723, Negative cache size: 30, Negative conditional cache size: 8, Negative unconditional cache size: 22, SemanticConditionEliminator.Independence Queries: [ total: 245, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 245, negative conditional: 32, negative unconditional: 213, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 245, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 245, negative conditional: 32, negative unconditional: 213, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 33, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 30, negative conditional: 8, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 61, negative conditional: 14, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 245, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 237, negative conditional: 24, negative unconditional: 213, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 753, Positive cache size: 723, Positive conditional cache size: 0, Positive unconditional cache size: 723, Negative cache size: 30, Negative conditional cache size: 8, Negative unconditional cache size: 22, Eliminated conditions: 213, SemanticConditionEliminator.Independence Queries: [ total: 245, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 245, negative conditional: 32, negative unconditional: 213, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 245, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 245, negative conditional: 32, negative unconditional: 213, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 33, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 30, negative conditional: 8, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 61, negative conditional: 14, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 245, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 237, negative conditional: 24, negative unconditional: 213, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 753, Positive cache size: 723, Positive conditional cache size: 0, Positive unconditional cache size: 723, Negative cache size: 30, Negative conditional cache size: 8, Negative unconditional cache size: 22, Eliminated conditions: 213, SemanticConditionEliminator.Independence Queries: [ total: 245, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 245, negative conditional: 32, negative unconditional: 213, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 245, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 245, negative conditional: 32, negative unconditional: 213, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 33, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 30, negative conditional: 8, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 61, negative conditional: 14, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 245, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 237, negative conditional: 24, negative unconditional: 213, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 753, Positive cache size: 723, Positive conditional cache size: 0, Positive unconditional cache size: 723, Negative cache size: 30, Negative conditional cache size: 8, Negative unconditional cache size: 22, Eliminated conditions: 213 ], Maximal queried relation: 3, Independence queries for same thread: 1414 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3656, positive: 2951, positive conditional: 2951, positive unconditional: 0, negative: 705, negative conditional: 705, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 3011, positive: 2951, positive conditional: 2951, positive unconditional: 0, negative: 60, negative conditional: 60, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 3011, positive: 2951, positive conditional: 0, positive unconditional: 2951, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 756, positive: 737, positive conditional: 0, positive unconditional: 737, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 756, positive: 736, positive conditional: 0, positive unconditional: 736, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 45, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3011, positive: 2214, positive conditional: 0, positive unconditional: 2214, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 756, unknown conditional: 0, unknown unconditional: 756] , Statistics on independence cache: Total cache size (in pairs): 756, Positive cache size: 737, Positive conditional cache size: 0, Positive unconditional cache size: 737, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19 ], Maximal queried relation: 0, Independence queries for same thread: 645 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7618, positive: 6155, positive conditional: 6155, positive unconditional: 0, negative: 1463, negative conditional: 1463, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 6257, positive: 6155, positive conditional: 6155, positive unconditional: 0, negative: 102, negative conditional: 102, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 6257, positive: 6155, positive conditional: 0, positive unconditional: 6155, negative: 102, negative conditional: 0, negative unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 784, positive: 761, positive conditional: 0, positive unconditional: 761, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 784, positive: 759, positive conditional: 0, positive unconditional: 759, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 32, negative conditional: 9, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 79, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 78, negative conditional: 14, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6257, positive: 5394, positive conditional: 0, positive unconditional: 5394, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 784, unknown conditional: 0, unknown unconditional: 784] , Statistics on independence cache: Total cache size (in pairs): 793, Positive cache size: 761, Positive conditional cache size: 0, Positive unconditional cache size: 761, Negative cache size: 32, Negative conditional cache size: 9, Negative unconditional cache size: 23, SemanticConditionEliminator.Independence Queries: [ total: 248, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 248, negative conditional: 34, negative unconditional: 214, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 248, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 248, negative conditional: 34, negative unconditional: 214, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 32, negative conditional: 9, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 79, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 78, negative conditional: 14, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 248, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 239, negative conditional: 25, negative unconditional: 214, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 793, Positive cache size: 761, Positive conditional cache size: 0, Positive unconditional cache size: 761, Negative cache size: 32, Negative conditional cache size: 9, Negative unconditional cache size: 23, Eliminated conditions: 214, SemanticConditionEliminator.Independence Queries: [ total: 248, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 248, negative conditional: 34, negative unconditional: 214, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 248, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 248, negative conditional: 34, negative unconditional: 214, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 32, negative conditional: 9, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 79, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 78, negative conditional: 14, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 248, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 239, negative conditional: 25, negative unconditional: 214, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 793, Positive cache size: 761, Positive conditional cache size: 0, Positive unconditional cache size: 761, Negative cache size: 32, Negative conditional cache size: 9, Negative unconditional cache size: 23, Eliminated conditions: 214, SemanticConditionEliminator.Independence Queries: [ total: 248, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 248, negative conditional: 34, negative unconditional: 214, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 248, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 248, negative conditional: 34, negative unconditional: 214, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 32, negative conditional: 9, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 79, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 78, negative conditional: 14, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 248, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 239, negative conditional: 25, negative unconditional: 214, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 793, Positive cache size: 761, Positive conditional cache size: 0, Positive unconditional cache size: 761, Negative cache size: 32, Negative conditional cache size: 9, Negative unconditional cache size: 23, Eliminated conditions: 214 ], Maximal queried relation: 3, Independence queries for same thread: 1361 - PositiveResult [Line: 753]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 725]: 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: thr2 with 1 thread instances CFG has 5 procedures, 107 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 340.8ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.6ms, PartialOrderReductionTime: 279.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1 with 1 thread instances CFG has 5 procedures, 107 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 155.7ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.8ms, PartialOrderReductionTime: 147.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 107 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 949.0ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.9ms, PartialOrderReductionTime: 492.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 23, 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: 8.8ms SsaConstructionTime, 57.9ms SatisfiabilityAnalysisTime, 262.5ms InterpolantComputationTime, 118 NumberOfCodeBlocks, 118 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 115 ConstructedInterpolants, 0 QuantifiedInterpolants, 219 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 107 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 119.8ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.0ms, PartialOrderReductionTime: 101.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr2Thread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 107 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 690.3ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.0ms, PartialOrderReductionTime: 449.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 23, 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: 9.4ms SsaConstructionTime, 17.0ms SatisfiabilityAnalysisTime, 120.7ms InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 138 ConstructedInterpolants, 0 QuantifiedInterpolants, 244 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...