/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Delay.epf -i ../../../trunk/examples/concurrent/pthreads/forkMultipleTimes.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-60729f1 [2020-11-12 09:08:04,128 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-12 09:08:04,132 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-12 09:08:04,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-12 09:08:04,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-12 09:08:04,199 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-12 09:08:04,203 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-12 09:08:04,212 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-12 09:08:04,216 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-12 09:08:04,223 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-12 09:08:04,225 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-12 09:08:04,227 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-12 09:08:04,227 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-12 09:08:04,231 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-12 09:08:04,233 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-12 09:08:04,236 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-12 09:08:04,237 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-12 09:08:04,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-12 09:08:04,248 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-12 09:08:04,256 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-12 09:08:04,258 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-12 09:08:04,260 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-12 09:08:04,261 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-12 09:08:04,264 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-12 09:08:04,273 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-12 09:08:04,273 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-12 09:08:04,274 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-12 09:08:04,276 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-12 09:08:04,277 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-12 09:08:04,278 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-12 09:08:04,279 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-12 09:08:04,280 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-12 09:08:04,282 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-12 09:08:04,283 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-12 09:08:04,285 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-12 09:08:04,285 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-12 09:08:04,286 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-12 09:08:04,287 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-12 09:08:04,287 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-12 09:08:04,288 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-12 09:08:04,289 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-12 09:08:04,290 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-FA-NoLbe-Delay.epf [2020-11-12 09:08:04,348 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-12 09:08:04,349 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-12 09:08:04,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-12 09:08:04,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-12 09:08:04,353 INFO L138 SettingsManager]: * Use SBE=true [2020-11-12 09:08:04,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-12 09:08:04,354 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-12 09:08:04,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-12 09:08:04,355 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-12 09:08:04,355 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-12 09:08:04,356 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-12 09:08:04,357 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-12 09:08:04,357 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-12 09:08:04,357 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-12 09:08:04,357 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-12 09:08:04,358 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-12 09:08:04,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-12 09:08:04,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-12 09:08:04,359 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-12 09:08:04,359 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-12 09:08:04,359 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-12 09:08:04,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-12 09:08:04,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-12 09:08:04,360 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-12 09:08:04,361 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-12 09:08:04,361 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-12 09:08:04,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-12 09:08:04,361 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-11-12 09:08:04,362 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-12 09:08:04,362 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-12 09:08:04,362 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=DELAY_SET 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-12 09:08:04,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-12 09:08:04,865 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-12 09:08:04,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-12 09:08:04,871 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-12 09:08:04,872 INFO L275 PluginConnector]: CDTParser initialized [2020-11-12 09:08:04,874 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/forkMultipleTimes.c [2020-11-12 09:08:04,990 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dbbd768d/fd7903a01283445b92da621fb61f774b/FLAG50380be66 [2020-11-12 09:08:05,595 INFO L306 CDTParser]: Found 1 translation units. [2020-11-12 09:08:05,596 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/forkMultipleTimes.c [2020-11-12 09:08:05,596 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2020-11-12 09:08:05,596 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2020-11-12 09:08:05,639 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dbbd768d/fd7903a01283445b92da621fb61f774b/FLAG50380be66 [2020-11-12 09:08:05,980 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dbbd768d/fd7903a01283445b92da621fb61f774b [2020-11-12 09:08:05,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-12 09:08:05,991 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-12 09:08:05,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-12 09:08:05,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-12 09:08:05,998 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-12 09:08:05,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:08:05" (1/1) ... [2020-11-12 09:08:06,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3830f63f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:08:06, skipping insertion in model container [2020-11-12 09:08:06,003 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:08:05" (1/1) ... [2020-11-12 09:08:06,011 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-12 09:08:06,027 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-12 09:08:06,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 09:08:06,211 INFO L203 MainTranslator]: Completed pre-run [2020-11-12 09:08:06,226 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 09:08:06,242 INFO L208 MainTranslator]: Completed translation [2020-11-12 09:08:06,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:08:06 WrapperNode [2020-11-12 09:08:06,243 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-12 09:08:06,244 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-12 09:08:06,244 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-12 09:08:06,244 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-12 09:08:06,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:08:06" (1/1) ... [2020-11-12 09:08:06,260 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:08:06" (1/1) ... [2020-11-12 09:08:06,283 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-12 09:08:06,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-12 09:08:06,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-12 09:08:06,284 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-12 09:08:06,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:08:06" (1/1) ... [2020-11-12 09:08:06,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:08:06" (1/1) ... [2020-11-12 09:08:06,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:08:06" (1/1) ... [2020-11-12 09:08:06,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:08:06" (1/1) ... [2020-11-12 09:08:06,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:08:06" (1/1) ... [2020-11-12 09:08:06,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:08:06" (1/1) ... [2020-11-12 09:08:06,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:08:06" (1/1) ... [2020-11-12 09:08:06,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-12 09:08:06,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-12 09:08:06,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-12 09:08:06,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-12 09:08:06,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:08:06" (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 [2020-11-12 09:08:06,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-12 09:08:06,390 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2020-11-12 09:08:06,391 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2020-11-12 09:08:06,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-12 09:08:06,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-12 09:08:06,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-12 09:08:06,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-12 09:08:06,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-12 09:08:06,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-12 09:08:06,394 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-12 09:08:06,856 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-12 09:08:06,856 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-11-12 09:08:06,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:08:06 BoogieIcfgContainer [2020-11-12 09:08:06,862 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-12 09:08:06,866 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-12 09:08:06,866 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-12 09:08:06,871 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-12 09:08:06,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 09:08:05" (1/3) ... [2020-11-12 09:08:06,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f961a47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 09:08:06, skipping insertion in model container [2020-11-12 09:08:06,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:08:06" (2/3) ... [2020-11-12 09:08:06,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f961a47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 09:08:06, skipping insertion in model container [2020-11-12 09:08:06,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:08:06" (3/3) ... [2020-11-12 09:08:06,880 INFO L111 eAbstractionObserver]: Analyzing ICFG forkMultipleTimes.c [2020-11-12 09:08:06,906 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-12 09:08:06,906 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-12 09:08:06,911 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-12 09:08:06,912 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-12 09:08:06,991 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:06,991 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:06,991 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:06,992 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:06,992 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:06,992 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:06,992 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:06,993 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:06,996 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:06,997 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:06,997 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:06,997 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:06,997 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:06,998 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:06,998 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,000 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,001 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,001 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,001 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,002 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,002 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,002 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,002 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,002 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,003 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,004 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,005 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,005 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,005 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,005 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,006 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,006 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,006 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,006 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,007 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,007 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,007 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,007 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,007 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,008 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,011 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,011 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,012 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,013 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,013 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,013 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,013 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,014 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,014 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,014 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,014 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,015 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,015 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,015 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,016 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,016 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,016 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,017 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,017 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,018 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,019 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,019 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,019 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,020 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,020 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,020 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,020 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,020 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,021 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,021 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,022 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,022 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,022 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,023 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,023 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,023 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,024 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,026 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,026 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,026 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,027 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,027 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,027 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,027 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,028 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,028 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,029 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,029 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,029 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,029 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,034 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,035 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,035 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,035 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,036 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,036 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,036 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,056 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,056 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,056 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,056 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,057 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,057 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,060 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,064 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,064 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,064 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,065 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,065 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,065 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,065 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:08:07,097 INFO L149 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2020-11-12 09:08:07,112 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-11-12 09:08:07,153 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-12 09:08:07,153 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-12 09:08:07,154 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-12 09:08:07,154 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-12 09:08:07,154 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-12 09:08:07,154 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-12 09:08:07,154 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-12 09:08:07,154 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-12 09:08:07,177 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 81 places, 77 transitions, 196 flow [2020-11-12 09:08:07,504 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 3297 states, 3295 states have (on average 3.1116843702579664) internal successors, (10253), 3296 states have internal predecessors, (10253), 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) [2020-11-12 09:08:08,043 WARN L455 BasicCegarLoop]: Sleep Set Reduction Time: 533ms [2020-11-12 09:08:08,055 WARN L456 BasicCegarLoop]: Sleep set: input automaton has 3297 states, 3295 states have (on average 3.1116843702579664) internal successors, (10253), 3296 states have internal predecessors, (10253), 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) [2020-11-12 09:08:08,066 WARN L457 BasicCegarLoop]: Sleep set: output automaton has 3297 states, 3041 states have (on average 1.5787569878329497) internal successors, (4801), 3296 states have internal predecessors, (4801), 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) [2020-11-12 09:08:08,077 INFO L276 IsEmpty]: Start isEmpty. Operand has 3297 states, 3041 states have (on average 1.5787569878329497) internal successors, (4801), 3296 states have internal predecessors, (4801), 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) [2020-11-12 09:08:08,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-12 09:08:08,111 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 09:08:08,112 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 09:08:08,115 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-11-12 09:08:08,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 09:08:08,125 INFO L82 PathProgramCache]: Analyzing trace with hash -561860774, now seen corresponding path program 1 times [2020-11-12 09:08:08,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 09:08:08,137 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180077179] [2020-11-12 09:08:08,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 09:08:08,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 09:08:08,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 09:08:08,537 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180077179] [2020-11-12 09:08:08,539 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 09:08:08,539 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-12 09:08:08,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124112681] [2020-11-12 09:08:08,544 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-12 09:08:08,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 09:08:08,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-12 09:08:08,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-11-12 09:08:08,575 INFO L87 Difference]: Start difference. First operand has 3297 states, 3041 states have (on average 1.5787569878329497) internal successors, (4801), 3296 states have internal predecessors, (4801), 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) Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 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) [2020-11-12 09:08:08,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 09:08:08,874 INFO L93 Difference]: Finished difference Result 3801 states and 5618 transitions. [2020-11-12 09:08:08,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 09:08:08,876 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 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) Word has length 55 [2020-11-12 09:08:08,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 09:08:08,904 INFO L225 Difference]: With dead ends: 3801 [2020-11-12 09:08:08,904 INFO L226 Difference]: Without dead ends: 1484 [2020-11-12 09:08:08,906 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2020-11-12 09:08:08,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1484 states. [2020-11-12 09:08:09,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1484 to 1433. [2020-11-12 09:08:09,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1433 states, 1432 states have (on average 1.7248603351955307) internal successors, (2470), 1432 states have internal predecessors, (2470), 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) [2020-11-12 09:08:09,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 1433 states and 2470 transitions. [2020-11-12 09:08:09,057 INFO L78 Accepts]: Start accepts. Automaton has 1433 states and 2470 transitions. Word has length 55 [2020-11-12 09:08:09,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 09:08:09,058 INFO L481 AbstractCegarLoop]: Abstraction has 1433 states and 2470 transitions. [2020-11-12 09:08:09,058 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 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) [2020-11-12 09:08:09,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1433 states and 2470 transitions. [2020-11-12 09:08:09,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-12 09:08:09,064 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 09:08:09,064 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 09:08:09,065 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-12 09:08:09,065 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-11-12 09:08:09,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 09:08:09,066 INFO L82 PathProgramCache]: Analyzing trace with hash -1556709734, now seen corresponding path program 1 times [2020-11-12 09:08:09,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 09:08:09,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765265956] [2020-11-12 09:08:09,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 09:08:09,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-12 09:08:09,169 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-12 09:08:09,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-12 09:08:09,208 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-12 09:08:09,250 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-12 09:08:09,250 INFO L595 BasicCegarLoop]: Counterexample might be feasible [2020-11-12 09:08:09,252 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-12 09:08:09,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 09:08:09 BasicIcfg [2020-11-12 09:08:09,333 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-12 09:08:09,336 INFO L168 Benchmark]: Toolchain (without parser) took 3348.28 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 275.5 MB in the beginning and 321.4 MB in the end (delta: -45.9 MB). Peak memory consumption was 17.4 MB. Max. memory is 16.0 GB. [2020-11-12 09:08:09,337 INFO L168 Benchmark]: CDTParser took 0.82 ms. Allocated memory is still 302.0 MB. Free memory is still 271.0 MB. There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 09:08:09,338 INFO L168 Benchmark]: CACSL2BoogieTranslator took 249.74 ms. Allocated memory is still 302.0 MB. Free memory was 274.9 MB in the beginning and 266.2 MB in the end (delta: 8.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. [2020-11-12 09:08:09,339 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.18 ms. Allocated memory is still 302.0 MB. Free memory was 266.2 MB in the beginning and 264.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 09:08:09,340 INFO L168 Benchmark]: Boogie Preprocessor took 26.61 ms. Allocated memory is still 302.0 MB. Free memory was 264.7 MB in the beginning and 263.7 MB in the end (delta: 972.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-12 09:08:09,341 INFO L168 Benchmark]: RCFGBuilder took 551.27 ms. Allocated memory is still 302.0 MB. Free memory was 263.7 MB in the beginning and 281.6 MB in the end (delta: -17.9 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.0 GB. [2020-11-12 09:08:09,343 INFO L168 Benchmark]: TraceAbstraction took 2467.50 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 281.6 MB in the beginning and 321.4 MB in the end (delta: -39.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. [2020-11-12 09:08:09,352 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.82 ms. Allocated memory is still 302.0 MB. Free memory is still 271.0 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 249.74 ms. Allocated memory is still 302.0 MB. Free memory was 274.9 MB in the beginning and 266.2 MB in the end (delta: 8.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 39.18 ms. Allocated memory is still 302.0 MB. Free memory was 266.2 MB in the beginning and 264.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 26.61 ms. Allocated memory is still 302.0 MB. Free memory was 264.7 MB in the beginning and 263.7 MB in the end (delta: 972.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 551.27 ms. Allocated memory is still 302.0 MB. Free memory was 263.7 MB in the beginning and 281.6 MB in the end (delta: -17.9 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2467.50 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 281.6 MB in the beginning and 321.4 MB in the end (delta: -39.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 37]: assertion can be violated assertion can be violated We found a FailurePath: [L13] 0 int counter = 0; VAL [counter=0] [L23] 0 int val = 0; VAL [counter=0] [L25] 0 pthread_t first_thread_id; VAL [counter=0] [L26] 0 pthread_t second_thread_id; VAL [counter=0] [L27] 0 pthread_t third_thread_id; VAL [counter=0] [L29] FCALL, FORK 0 pthread_create(&first_thread_id, NULL, foo, &val) VAL [counter=0, n={6:0}] [L16] 1 int *x = (int *)n; VAL [counter=0, n={6:0}, n={6:0}, x={6:0}] [L17] EXPR 1 ++counter VAL [++counter=1, counter=1, n={6:0}, n={6:0}, x={6:0}] [L17] 1 *x = ++counter VAL [++counter=1, counter=1, n={6:0}, n={6:0}, x={6:0}] [L30] FCALL, FORK 0 pthread_create(&second_thread_id, NULL, foo, &val) VAL [++counter=1, counter=1, n={6:0}, n={6:0}, x={6:0}] [L31] FCALL, FORK 0 pthread_create(&third_thread_id, NULL, foo, &val) VAL [++counter=1, counter=1, n={6:0}, n={6:0}, x={6:0}] [L33] 0 \read(first_thread_id) VAL [++counter=1, counter=1, n={6:0}, n={6:0}, x={6:0}] [L16] 2 int *x = (int *)n; VAL [++counter=1, counter=1, n={6:0}, n={6:0}, x={6:0}] [L18] 1 return 0; VAL [\result={0:0}, counter=1, n={6:0}, n={6:0}, x={6:0}] [L33] FCALL, JOIN 1 pthread_join(first_thread_id, NULL) VAL [\result={0:0}, counter=1, n={6:0}, n={6:0}, x={6:0}] [L16] 3 int *x = (int *)n; VAL [\result={0:0}, counter=1, n={6:0}, n={6:0}, x={6:0}] [L17] 3 ++counter VAL [++counter=2, \result={0:0}, counter=1, n={6:0}, n={6:0}, x={6:0}] [L34] 0 \read(second_thread_id) VAL [++counter=2, \result={0:0}, counter=1, n={6:0}, n={6:0}, x={6:0}] [L17] 3 ++counter VAL [++counter=3, \result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L17] 2 *x = ++counter VAL [++counter=3, \result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L18] 2 return 0; VAL [++counter=2, \result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L34] FCALL, JOIN 2 pthread_join(second_thread_id, NULL) VAL [++counter=2, \result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L35] 0 \read(third_thread_id) VAL [++counter=2, \result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L18] 3 return 0; VAL [\result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L35] FCALL, JOIN 3 pthread_join(third_thread_id, NULL) VAL [\result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L37] FCALL 0 IdentifierExpression[val] VAL [\result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L37] 0 CodeAnnotStmt[Assertion] VAL [\result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.1s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.9s, HoareTripleCheckerStatistics: 94 SDtfs, 177 SDslu, 287 SDs, 0 SdLazy, 119 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3297occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 51 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 13068 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...