/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-1_1-join.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 12:25:03,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 12:25:03,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 12:25:03,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-14 12:25:03,187 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-14 12:25:03,191 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-14 12:25:03,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-14 12:25:03,200 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-14 12:25:03,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-14 12:25:03,209 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-14 12:25:03,210 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-14 12:25:03,211 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-14 12:25:03,211 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 12:25:03,213 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 12:25:03,215 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 12:25:03,216 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 12:25:03,219 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 12:25:03,220 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 12:25:03,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 12:25:03,226 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 12:25:03,228 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 12:25:03,229 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 12:25:03,230 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 12:25:03,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 12:25:03,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-14 12:25:03,236 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-14 12:25:03,237 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-14 12:25:03,238 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-14 12:25:03,239 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-14 12:25:03,239 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-14 12:25:03,240 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-14 12:25:03,240 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-14 12:25:03,242 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-14 12:25:03,242 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-14 12:25:03,243 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-14 12:25:03,243 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-14 12:25:03,244 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-14 12:25:03,244 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-14 12:25:03,244 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 12:25:03,245 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 12:25:03,246 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 12:25:03,250 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-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-07-14 12:25:03,291 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 12:25:03,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 12:25:03,291 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 12:25:03,292 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 12:25:03,294 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 12:25:03,295 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 12:25:03,295 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 12:25:03,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 12:25:03,295 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 12:25:03,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 12:25:03,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 12:25:03,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 12:25:03,296 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 12:25:03,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 12:25:03,297 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 12:25:03,297 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 12:25:03,297 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 12:25:03,297 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 12:25:03,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 12:25:03,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 12:25:03,298 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 12:25:03,298 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 12:25:03,298 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 12:25:03,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 12:25:03,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 12:25:03,298 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 12:25:03,298 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 12:25:03,299 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 12:25:03,299 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 12:25:03,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 12:25:03,299 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 12:25:03,299 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 12:25:03,300 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 12:25:03,300 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-14 12:25:03,300 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 12:25:03,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 12:25:03,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 12:25:03,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 12:25:03,620 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-14 12:25:03,620 INFO L275 PluginConnector]: CDTParser initialized [2021-07-14 12:25:03,621 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_1-join.i [2021-07-14 12:25:03,677 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92e397267/7e2173fc3a2d431496db376ebfb623c6/FLAGff28f2db4 [2021-07-14 12:25:04,307 INFO L306 CDTParser]: Found 1 translation units. [2021-07-14 12:25:04,307 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_1-join.i [2021-07-14 12:25:04,331 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92e397267/7e2173fc3a2d431496db376ebfb623c6/FLAGff28f2db4 [2021-07-14 12:25:04,657 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92e397267/7e2173fc3a2d431496db376ebfb623c6 [2021-07-14 12:25:04,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 12:25:04,663 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-14 12:25:04,665 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-14 12:25:04,665 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-14 12:25:04,668 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-14 12:25:04,669 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:25:04" (1/1) ... [2021-07-14 12:25:04,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@387d9945 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:25:04, skipping insertion in model container [2021-07-14 12:25:04,670 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:25:04" (1/1) ... [2021-07-14 12:25:04,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-14 12:25:04,732 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-14 12:25:05,216 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_1-join.i[76068,76081] [2021-07-14 12:25:05,227 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 12:25:05,236 INFO L203 MainTranslator]: Completed pre-run [2021-07-14 12:25:05,278 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_1-join.i[76068,76081] [2021-07-14 12:25:05,282 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 12:25:05,396 INFO L208 MainTranslator]: Completed translation [2021-07-14 12:25:05,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:25:05 WrapperNode [2021-07-14 12:25:05,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-14 12:25:05,398 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 12:25:05,399 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 12:25:05,399 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 12:25:05,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:25:05" (1/1) ... [2021-07-14 12:25:05,450 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:25:05" (1/1) ... [2021-07-14 12:25:05,485 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 12:25:05,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 12:25:05,486 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 12:25:05,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 12:25:05,493 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:25:05" (1/1) ... [2021-07-14 12:25:05,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:25:05" (1/1) ... [2021-07-14 12:25:05,504 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:25:05" (1/1) ... [2021-07-14 12:25:05,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:25:05" (1/1) ... [2021-07-14 12:25:05,519 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:25:05" (1/1) ... [2021-07-14 12:25:05,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:25:05" (1/1) ... [2021-07-14 12:25:05,541 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:25:05" (1/1) ... [2021-07-14 12:25:05,545 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 12:25:05,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 12:25:05,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 12:25:05,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 12:25:05,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:25:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 12:25:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-14 12:25:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-14 12:25:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-07-14 12:25:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-07-14 12:25:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 12:25:05,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 12:25:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-14 12:25:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 12:25:05,632 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 12:25:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-14 12:25:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-14 12:25:05,634 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 12:25:06,125 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 12:25:06,126 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-07-14 12:25:06,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:25:06 BoogieIcfgContainer [2021-07-14 12:25:06,127 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 12:25:06,129 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 12:25:06,129 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 12:25:06,134 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 12:25:06,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 12:25:04" (1/3) ... [2021-07-14 12:25:06,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b430612 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:25:06, skipping insertion in model container [2021-07-14 12:25:06,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:25:05" (2/3) ... [2021-07-14 12:25:06,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b430612 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:25:06, skipping insertion in model container [2021-07-14 12:25:06,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:25:06" (3/3) ... [2021-07-14 12:25:06,137 INFO L111 eAbstractionObserver]: Analyzing ICFG race-1_1-join.i [2021-07-14 12:25:06,143 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 12:25:06,144 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 12:25:06,144 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-07-14 12:25:06,145 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 12:25:06,184 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:25:06,184 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:25:06,185 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:25:06,185 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:25:06,185 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:25:06,185 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:25:06,185 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:25:06,185 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:25:06,185 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:25:06,186 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:25:06,188 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:25:06,188 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:25:06,188 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:25:06,189 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:25:06,189 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:25:06,189 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:25:06,190 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:25:06,190 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:25:06,190 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:25:06,190 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:25:06,190 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:25:06,190 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:25:06,191 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:25:06,191 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:25:06,191 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:25:06,191 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:25:06,192 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:25:06,192 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:25:06,194 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:25:06,195 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:25:06,195 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:25:06,195 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:25:06,196 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:25:06,196 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:25:06,196 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:25:06,205 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-07-14 12:25:06,226 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 [2021-07-14 12:25:06,288 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 12:25:06,288 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 12:25:06,288 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 12:25:06,289 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 12:25:06,289 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 12:25:06,289 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 12:25:06,289 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 12:25:06,289 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread1Thread1of1ForFork0======== [2021-07-14 12:25:06,377 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thread1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:25:06,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:25:06,382 INFO L82 PathProgramCache]: Analyzing trace with hash -840418573, now seen corresponding path program 1 times [2021-07-14 12:25:06,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:25:06,390 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357055726] [2021-07-14 12:25:06,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:25:06,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:25:06,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 12:25:06,729 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:25:06,729 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357055726] [2021-07-14 12:25:06,730 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357055726] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 12:25:06,730 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 12:25:06,730 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 12:25:06,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772772790] [2021-07-14 12:25:06,735 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-14 12:25:06,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:25:06,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-14 12:25:06,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-14 12:25:06,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:25:06,748 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:25:06,750 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 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) [2021-07-14 12:25:06,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:25:06,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:25:06,757 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 12:25:06,757 INFO L430 AbstractCegarLoop]: === Iteration 2 === [thread1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:25:06,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:25:06,758 INFO L82 PathProgramCache]: Analyzing trace with hash -1446939762, now seen corresponding path program 1 times [2021-07-14 12:25:06,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:25:06,758 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333938066] [2021-07-14 12:25:06,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:25:06,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:25:06,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 12:25:06,911 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:25:06,911 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333938066] [2021-07-14 12:25:06,912 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333938066] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 12:25:06,912 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 12:25:06,912 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-14 12:25:06,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491624631] [2021-07-14 12:25:06,913 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 12:25:06,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:25:06,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 12:25:06,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-14 12:25:06,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:25:06,915 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:25:06,915 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:25:06,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:25:06,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:25:06,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:25:06,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 12:25:06,954 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 12:25:06,961 INFO L301 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork0 was SAFE (1/2) [2021-07-14 12:25:06,962 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-07-14 12:25:06,974 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 12:25:06,975 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 12:25:06,975 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 12:25:06,975 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 12:25:06,975 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 12:25:06,975 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 12:25:06,975 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 12:25:06,975 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 12:25:06,981 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:25:06,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:25:06,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1654812270, now seen corresponding path program 1 times [2021-07-14 12:25:06,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:25:06,982 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681353365] [2021-07-14 12:25:06,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 12:25:07,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:25:07,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 12:25:07,074 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:25:07,074 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681353365] [2021-07-14 12:25:07,074 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681353365] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 12:25:07,075 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 12:25:07,075 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-14 12:25:07,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636516587] [2021-07-14 12:25:07,075 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 12:25:07,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:25:07,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 12:25:07,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-14 12:25:07,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:25:07,076 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:25:07,077 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:25:07,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:25:07,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 12:25:07,149 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 12:25:07,149 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:25:07,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:25:07,150 INFO L82 PathProgramCache]: Analyzing trace with hash 1000374871, now seen corresponding path program 1 times [2021-07-14 12:25:07,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:25:07,150 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490541993] [2021-07-14 12:25:07,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:25:07,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:25:07,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 12:25:07,257 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:25:07,257 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490541993] [2021-07-14 12:25:07,258 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490541993] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 12:25:07,258 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 12:25:07,258 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-14 12:25:07,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923356320] [2021-07-14 12:25:07,259 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 12:25:07,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:25:07,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 12:25:07,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-14 12:25:07,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:25:07,260 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:25:07,260 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:25:07,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 12:25:07,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:25:07,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 12:25:07,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:25:07,330 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-14 12:25:07,330 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:25:07,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:25:07,330 INFO L82 PathProgramCache]: Analyzing trace with hash -10744082, now seen corresponding path program 1 times [2021-07-14 12:25:07,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:25:07,331 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875801957] [2021-07-14 12:25:07,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:25:07,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:25:07,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 12:25:07,399 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:25:07,399 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875801957] [2021-07-14 12:25:07,399 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875801957] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 12:25:07,399 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 12:25:07,399 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-14 12:25:07,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878693516] [2021-07-14 12:25:07,400 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 12:25:07,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:25:07,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 12:25:07,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-14 12:25:07,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:25:07,401 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:25:07,401 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 12:25:07,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 12:25:07,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:25:07,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:25:07,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 12:25:07,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:25:07,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 12:25:07,462 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-14 12:25:07,466 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (2/2) [2021-07-14 12:25:07,466 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 12:25:07,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 12:25:07 BasicIcfg [2021-07-14 12:25:07,468 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 12:25:07,469 INFO L168 Benchmark]: Toolchain (without parser) took 2806.52 ms. Allocated memory was 205.5 MB in the beginning and 273.7 MB in the end (delta: 68.2 MB). Free memory was 166.4 MB in the beginning and 191.2 MB in the end (delta: -24.9 MB). Peak memory consumption was 44.6 MB. Max. memory is 8.0 GB. [2021-07-14 12:25:07,470 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 205.5 MB. Free memory is still 186.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 12:25:07,470 INFO L168 Benchmark]: CACSL2BoogieTranslator took 732.50 ms. Allocated memory is still 205.5 MB. Free memory was 166.1 MB in the beginning and 145.1 MB in the end (delta: 21.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-07-14 12:25:07,470 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.50 ms. Allocated memory is still 205.5 MB. Free memory was 145.1 MB in the beginning and 141.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-07-14 12:25:07,471 INFO L168 Benchmark]: Boogie Preprocessor took 59.19 ms. Allocated memory is still 205.5 MB. Free memory was 141.9 MB in the beginning and 139.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 12:25:07,471 INFO L168 Benchmark]: RCFGBuilder took 581.11 ms. Allocated memory is still 205.5 MB. Free memory was 139.8 MB in the beginning and 158.9 MB in the end (delta: -19.1 MB). Peak memory consumption was 16.4 MB. Max. memory is 8.0 GB. [2021-07-14 12:25:07,471 INFO L168 Benchmark]: TraceAbstraction took 1339.93 ms. Allocated memory was 205.5 MB in the beginning and 273.7 MB in the end (delta: 68.2 MB). Free memory was 158.9 MB in the beginning and 191.2 MB in the end (delta: -32.3 MB). Peak memory consumption was 36.4 MB. Max. memory is 8.0 GB. [2021-07-14 12:25:07,473 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 205.5 MB. Free memory is still 186.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 732.50 ms. Allocated memory is still 205.5 MB. Free memory was 166.1 MB in the beginning and 145.1 MB in the end (delta: 21.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 87.50 ms. Allocated memory is still 205.5 MB. Free memory was 145.1 MB in the beginning and 141.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 59.19 ms. Allocated memory is still 205.5 MB. Free memory was 141.9 MB in the beginning and 139.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 581.11 ms. Allocated memory is still 205.5 MB. Free memory was 139.8 MB in the beginning and 158.9 MB in the end (delta: -19.1 MB). Peak memory consumption was 16.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1339.93 ms. Allocated memory was 205.5 MB in the beginning and 273.7 MB in the end (delta: 68.2 MB). Free memory was 158.9 MB in the beginning and 191.2 MB in the end (delta: -32.3 MB). Peak memory consumption was 36.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 290, positive: 287, positive conditional: 24, positive unconditional: 263, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 287, positive: 287, positive conditional: 24, positive unconditional: 263, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 287, positive: 287, positive conditional: 0, positive unconditional: 287, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 180, positive: 180, positive conditional: 0, positive unconditional: 180, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 180, positive: 180, positive conditional: 0, positive unconditional: 180, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 287, positive: 107, positive conditional: 0, positive unconditional: 107, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 180, unknown conditional: 0, unknown unconditional: 180] , Statistics on independence cache: Total cache size (in pairs): 180, Positive cache size: 180, Positive conditional cache size: 0, Positive unconditional cache size: 180, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 180, Positive cache size: 180, Positive conditional cache size: 0, Positive unconditional cache size: 180, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 180, Positive cache size: 180, Positive conditional cache size: 0, Positive unconditional cache size: 180, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 3 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 32, Number of persistent set computation: 44, Number of trivial persistent sets: 35, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 290, positive: 287, positive conditional: 24, positive unconditional: 263, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 287, positive: 287, positive conditional: 24, positive unconditional: 263, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 287, positive: 287, positive conditional: 0, positive unconditional: 287, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 180, positive: 180, positive conditional: 0, positive unconditional: 180, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 180, positive: 180, positive conditional: 0, positive unconditional: 180, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 287, positive: 107, positive conditional: 0, positive unconditional: 107, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 180, unknown conditional: 0, unknown unconditional: 180] , Statistics on independence cache: Total cache size (in pairs): 180, Positive cache size: 180, Positive conditional cache size: 0, Positive unconditional cache size: 180, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 180, Positive cache size: 180, Positive conditional cache size: 0, Positive unconditional cache size: 180, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 180, Positive cache size: 180, Positive conditional cache size: 0, Positive unconditional cache size: 180, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 3 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 386, positive: 365, positive conditional: 45, positive unconditional: 320, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 365, positive: 365, positive conditional: 45, positive unconditional: 320, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 365, positive: 365, positive conditional: 0, positive unconditional: 365, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 240, positive: 240, positive conditional: 0, positive unconditional: 240, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 240, positive: 240, positive conditional: 0, positive unconditional: 240, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 365, positive: 125, positive conditional: 0, positive unconditional: 125, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 240, unknown conditional: 0, unknown unconditional: 240] , Statistics on independence cache: Total cache size (in pairs): 240, Positive cache size: 240, Positive conditional cache size: 0, Positive unconditional cache size: 240, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 240, Positive cache size: 240, Positive conditional cache size: 0, Positive unconditional cache size: 240, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 240, Positive cache size: 240, Positive conditional cache size: 0, Positive unconditional cache size: 240, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 240, Positive cache size: 240, Positive conditional cache size: 0, Positive unconditional cache size: 240, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 21 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 7, Number of persistent set computation: 97, Number of trivial persistent sets: 83, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 386, positive: 365, positive conditional: 45, positive unconditional: 320, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 365, positive: 365, positive conditional: 45, positive unconditional: 320, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 365, positive: 365, positive conditional: 0, positive unconditional: 365, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 240, positive: 240, positive conditional: 0, positive unconditional: 240, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 240, positive: 240, positive conditional: 0, positive unconditional: 240, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 365, positive: 125, positive conditional: 0, positive unconditional: 125, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 240, unknown conditional: 0, unknown unconditional: 240] , Statistics on independence cache: Total cache size (in pairs): 240, Positive cache size: 240, Positive conditional cache size: 0, Positive unconditional cache size: 240, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 240, Positive cache size: 240, Positive conditional cache size: 0, Positive unconditional cache size: 240, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 240, Positive cache size: 240, Positive conditional cache size: 0, Positive unconditional cache size: 240, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 240, Positive cache size: 240, Positive conditional cache size: 0, Positive unconditional cache size: 240, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 21 - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: 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: thread1Thread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 106 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 707.5ms, OverallIterations: 2, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 21.5ms, PartialOrderReductionTime: 112.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 7, 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: 10.2ms SsaConstructionTime, 77.2ms SatisfiabilityAnalysisTime, 250.2ms InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 95 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 3 procedures, 106 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 502.0ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.4ms, PartialOrderReductionTime: 205.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 19, 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: 6.6ms SsaConstructionTime, 25.7ms SatisfiabilityAnalysisTime, 176.1ms InterpolantComputationTime, 126 NumberOfCodeBlocks, 126 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 123 ConstructedInterpolants, 0 QuantifiedInterpolants, 156 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...