/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/joinMultipleReturnValues.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-29289db [2021-06-05 12:55:37,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-05 12:55:37,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-05 12:55:37,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-05 12:55:37,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-05 12:55:37,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-05 12:55:37,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-05 12:55:37,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-05 12:55:37,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-05 12:55:37,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-05 12:55:37,373 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-05 12:55:37,374 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-05 12:55:37,374 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-05 12:55:37,375 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-05 12:55:37,376 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-05 12:55:37,377 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-05 12:55:37,377 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-05 12:55:37,378 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-05 12:55:37,379 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-05 12:55:37,381 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-05 12:55:37,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-05 12:55:37,385 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-05 12:55:37,386 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-05 12:55:37,387 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-05 12:55:37,389 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-05 12:55:37,389 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-05 12:55:37,390 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-05 12:55:37,390 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-05 12:55:37,391 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-05 12:55:37,391 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-05 12:55:37,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-05 12:55:37,392 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-05 12:55:37,393 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-05 12:55:37,393 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-05 12:55:37,394 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-05 12:55:37,394 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-05 12:55:37,395 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-05 12:55:37,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-05 12:55:37,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-05 12:55:37,396 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-05 12:55:37,404 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-05 12:55:37,408 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-Separate.epf [2021-06-05 12:55:37,443 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-05 12:55:37,444 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-05 12:55:37,444 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-05 12:55:37,444 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-05 12:55:37,447 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-05 12:55:37,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-05 12:55:37,447 INFO L138 SettingsManager]: * Use SBE=true [2021-06-05 12:55:37,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-05 12:55:37,448 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-05 12:55:37,448 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-05 12:55:37,448 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-05 12:55:37,449 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-05 12:55:37,449 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-05 12:55:37,449 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-05 12:55:37,449 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-05 12:55:37,449 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-05 12:55:37,449 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-05 12:55:37,449 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-05 12:55:37,449 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-05 12:55:37,450 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-05 12:55:37,450 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-05 12:55:37,450 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-05 12:55:37,450 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-05 12:55:37,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 12:55:37,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-05 12:55:37,451 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-05 12:55:37,451 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-05 12:55:37,451 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-05 12:55:37,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-05 12:55:37,451 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-05 12:55:37,451 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-05 12:55:37,451 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2021-06-05 12:55:37,452 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-05 12:55:37,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-05 12:55:37,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-05 12:55:37,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-05 12:55:37,762 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-05 12:55:37,763 INFO L275 PluginConnector]: CDTParser initialized [2021-06-05 12:55:37,764 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/joinMultipleReturnValues.c [2021-06-05 12:55:37,823 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db07bd790/32a8edcd260d4296aa31b1fcfc22fed8/FLAGb65096a37 [2021-06-05 12:55:38,171 INFO L306 CDTParser]: Found 1 translation units. [2021-06-05 12:55:38,173 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/joinMultipleReturnValues.c [2021-06-05 12:55:38,174 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-05 12:55:38,174 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-05 12:55:38,174 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-05 12:55:38,208 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db07bd790/32a8edcd260d4296aa31b1fcfc22fed8/FLAGb65096a37 [2021-06-05 12:55:38,565 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db07bd790/32a8edcd260d4296aa31b1fcfc22fed8 [2021-06-05 12:55:38,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-05 12:55:38,569 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-05 12:55:38,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-05 12:55:38,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-05 12:55:38,577 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-05 12:55:38,577 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 12:55:38" (1/1) ... [2021-06-05 12:55:38,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cbde3fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:55:38, skipping insertion in model container [2021-06-05 12:55:38,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 12:55:38" (1/1) ... [2021-06-05 12:55:38,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-05 12:55:38,599 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-05 12:55:38,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 12:55:38,784 INFO L203 MainTranslator]: Completed pre-run [2021-06-05 12:55:38,814 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 12:55:38,828 INFO L208 MainTranslator]: Completed translation [2021-06-05 12:55:38,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:55:38 WrapperNode [2021-06-05 12:55:38,830 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-05 12:55:38,832 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-05 12:55:38,832 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-05 12:55:38,832 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-05 12:55:38,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:55:38" (1/1) ... [2021-06-05 12:55:38,845 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:55:38" (1/1) ... [2021-06-05 12:55:38,864 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-05 12:55:38,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-05 12:55:38,866 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-05 12:55:38,866 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-05 12:55:38,872 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:55:38" (1/1) ... [2021-06-05 12:55:38,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:55:38" (1/1) ... [2021-06-05 12:55:38,884 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:55:38" (1/1) ... [2021-06-05 12:55:38,884 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:55:38" (1/1) ... [2021-06-05 12:55:38,895 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:55:38" (1/1) ... [2021-06-05 12:55:38,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:55:38" (1/1) ... [2021-06-05 12:55:38,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:55:38" (1/1) ... [2021-06-05 12:55:38,904 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-05 12:55:38,905 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-05 12:55:38,905 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-05 12:55:38,905 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-05 12:55:38,906 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:55:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 12:55:38,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-06-05 12:55:38,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-05 12:55:38,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-06-05 12:55:38,974 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-06-05 12:55:38,974 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-06-05 12:55:38,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-05 12:55:38,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-05 12:55:38,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-05 12:55:38,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-05 12:55:38,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-06-05 12:55:38,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-05 12:55:38,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-05 12:55:38,976 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-05 12:55:39,227 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-05 12:55:39,228 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-05 12:55:39,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 12:55:39 BoogieIcfgContainer [2021-06-05 12:55:39,229 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-05 12:55:39,231 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-05 12:55:39,231 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-05 12:55:39,233 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-05 12:55:39,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.06 12:55:38" (1/3) ... [2021-06-05 12:55:39,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bffbb62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 12:55:39, skipping insertion in model container [2021-06-05 12:55:39,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:55:38" (2/3) ... [2021-06-05 12:55:39,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bffbb62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 12:55:39, skipping insertion in model container [2021-06-05 12:55:39,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 12:55:39" (3/3) ... [2021-06-05 12:55:39,236 INFO L111 eAbstractionObserver]: Analyzing ICFG joinMultipleReturnValues.c [2021-06-05 12:55:39,241 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-05 12:55:39,241 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-05 12:55:39,241 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-06-05 12:55:39,242 INFO L510 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-05 12:55:39,267 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,267 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,267 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,267 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,268 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,268 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,268 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,268 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,268 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,269 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,269 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,269 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,269 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,270 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,270 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,270 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,270 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,270 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,270 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,271 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,271 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,271 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,271 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,271 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,271 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,272 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,272 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,272 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,272 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,272 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,272 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,273 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,273 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,273 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,273 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,273 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,274 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,274 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,274 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,274 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,275 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,275 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,275 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,275 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,275 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,276 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,276 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,276 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,276 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,276 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,277 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,277 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,278 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,278 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,278 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,279 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,279 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,279 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,279 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,280 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,280 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,280 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,281 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,281 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,281 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,281 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,281 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,282 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,282 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,282 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,282 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,282 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,282 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,283 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,283 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,283 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,286 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,286 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,286 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,286 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,286 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,287 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,287 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,287 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,287 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,287 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,287 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,288 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:39,295 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-06-05 12:55:39,318 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-06-05 12:55:39,365 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 12:55:39,365 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 12:55:39,365 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 12:55:39,365 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 12:55:39,365 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 12:55:39,365 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 12:55:39,365 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 12:55:39,365 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-05 12:55:39,375 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 64 places, 61 transitions, 130 flow [2021-06-05 12:55:39,388 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 108 states, 105 states have (on average 1.5142857142857142) internal successors, (159), 107 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 12:55:39,390 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 105 states have (on average 1.5142857142857142) internal successors, (159), 107 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 12:55:39,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-06-05 12:55:39,397 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 12:55:39,397 INFO L521 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] [2021-06-05 12:55:39,398 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2021-06-05 12:55:39,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 12:55:39,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1586219045, now seen corresponding path program 1 times [2021-06-05 12:55:39,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 12:55:39,410 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68983557] [2021-06-05 12:55:39,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 12:55:39,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 12:55:39,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 12:55:39,824 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 12:55:39,824 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68983557] [2021-06-05 12:55:39,825 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68983557] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 12:55:39,825 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 12:55:39,825 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-06-05 12:55:39,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022842077] [2021-06-05 12:55:39,831 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-05 12:55:39,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 12:55:39,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-05 12:55:39,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-06-05 12:55:39,853 INFO L87 Difference]: Start difference. First operand has 108 states, 105 states have (on average 1.5142857142857142) internal successors, (159), 107 states have internal predecessors, (159), 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 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 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) [2021-06-05 12:55:40,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 12:55:40,143 INFO L93 Difference]: Finished difference Result 96 states and 134 transitions. [2021-06-05 12:55:40,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 12:55:40,145 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 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) Word has length 42 [2021-06-05 12:55:40,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 12:55:40,151 INFO L225 Difference]: With dead ends: 96 [2021-06-05 12:55:40,151 INFO L226 Difference]: Without dead ends: 86 [2021-06-05 12:55:40,153 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 181.5ms TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2021-06-05 12:55:40,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2021-06-05 12:55:40,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2021-06-05 12:55:40,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 84 states have (on average 1.4761904761904763) internal successors, (124), 85 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 12:55:40,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 124 transitions. [2021-06-05 12:55:40,185 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 124 transitions. Word has length 42 [2021-06-05 12:55:40,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 12:55:40,186 INFO L482 AbstractCegarLoop]: Abstraction has 86 states and 124 transitions. [2021-06-05 12:55:40,186 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 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) [2021-06-05 12:55:40,186 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 124 transitions. [2021-06-05 12:55:40,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 12:55:40,187 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 12:55:40,188 INFO L521 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] [2021-06-05 12:55:40,188 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-05 12:55:40,188 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2021-06-05 12:55:40,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 12:55:40,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1350142531, now seen corresponding path program 1 times [2021-06-05 12:55:40,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 12:55:40,189 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634252665] [2021-06-05 12:55:40,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 12:55:40,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 12:55:40,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 12:55:40,527 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 12:55:40,527 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634252665] [2021-06-05 12:55:40,527 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634252665] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 12:55:40,527 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 12:55:40,528 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-05 12:55:40,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372783599] [2021-06-05 12:55:40,529 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-05 12:55:40,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 12:55:40,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-05 12:55:40,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=304, Unknown=0, NotChecked=0, Total=342 [2021-06-05 12:55:40,530 INFO L87 Difference]: Start difference. First operand 86 states and 124 transitions. Second operand has 19 states, 18 states have (on average 2.4444444444444446) internal successors, (44), 19 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 12:55:41,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 12:55:41,384 INFO L93 Difference]: Finished difference Result 85 states and 123 transitions. [2021-06-05 12:55:41,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-05 12:55:41,390 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 2.4444444444444446) internal successors, (44), 19 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) Word has length 44 [2021-06-05 12:55:41,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 12:55:41,393 INFO L225 Difference]: With dead ends: 85 [2021-06-05 12:55:41,394 INFO L226 Difference]: Without dead ends: 85 [2021-06-05 12:55:41,396 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 794.8ms TimeCoverageRelationStatistics Valid=308, Invalid=1252, Unknown=0, NotChecked=0, Total=1560 [2021-06-05 12:55:41,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-06-05 12:55:41,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2021-06-05 12:55:41,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 84 states have (on average 1.4642857142857142) internal successors, (123), 84 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 12:55:41,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 123 transitions. [2021-06-05 12:55:41,406 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 123 transitions. Word has length 44 [2021-06-05 12:55:41,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 12:55:41,406 INFO L482 AbstractCegarLoop]: Abstraction has 85 states and 123 transitions. [2021-06-05 12:55:41,406 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 18 states have (on average 2.4444444444444446) internal successors, (44), 19 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 12:55:41,406 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 123 transitions. [2021-06-05 12:55:41,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-06-05 12:55:41,407 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 12:55:41,407 INFO L521 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] [2021-06-05 12:55:41,408 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-05 12:55:41,408 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2021-06-05 12:55:41,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 12:55:41,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1095254368, now seen corresponding path program 1 times [2021-06-05 12:55:41,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 12:55:41,409 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120774552] [2021-06-05 12:55:41,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 12:55:41,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 12:55:41,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 12:55:41,617 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 12:55:41,618 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120774552] [2021-06-05 12:55:41,618 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120774552] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 12:55:41,618 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 12:55:41,618 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-05 12:55:41,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51648574] [2021-06-05 12:55:41,618 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-05 12:55:41,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 12:55:41,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-05 12:55:41,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2021-06-05 12:55:41,619 INFO L87 Difference]: Start difference. First operand 85 states and 123 transitions. Second operand has 13 states, 12 states have (on average 3.75) internal successors, (45), 13 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 12:55:42,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 12:55:42,077 INFO L93 Difference]: Finished difference Result 84 states and 122 transitions. [2021-06-05 12:55:42,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-05 12:55:42,078 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.75) internal successors, (45), 13 states have internal predecessors, (45), 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 45 [2021-06-05 12:55:42,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 12:55:42,078 INFO L225 Difference]: With dead ends: 84 [2021-06-05 12:55:42,078 INFO L226 Difference]: Without dead ends: 0 [2021-06-05 12:55:42,079 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 448.5ms TimeCoverageRelationStatistics Valid=186, Invalid=464, Unknown=0, NotChecked=0, Total=650 [2021-06-05 12:55:42,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-05 12:55:42,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-05 12:55:42,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 12:55:42,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-05 12:55:42,079 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45 [2021-06-05 12:55:42,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 12:55:42,079 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-05 12:55:42,080 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 12 states have (on average 3.75) internal successors, (45), 13 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 12:55:42,080 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-05 12:55:42,080 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-05 12:55:42,080 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-05 12:55:42,081 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-05 12:55:42,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.06 12:55:42 BasicIcfg [2021-06-05 12:55:42,084 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-05 12:55:42,084 INFO L168 Benchmark]: Toolchain (without parser) took 3515.53 ms. Allocated memory is still 369.1 MB. Free memory was 330.9 MB in the beginning and 163.0 MB in the end (delta: 167.9 MB). Peak memory consumption was 169.7 MB. Max. memory is 16.0 GB. [2021-06-05 12:55:42,085 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 369.1 MB. Free memory was 349.6 MB in the beginning and 349.5 MB in the end (delta: 75.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 12:55:42,085 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.07 ms. Allocated memory is still 369.1 MB. Free memory was 330.6 MB in the beginning and 352.2 MB in the end (delta: -21.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.0 GB. [2021-06-05 12:55:42,086 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.55 ms. Allocated memory is still 369.1 MB. Free memory was 351.2 MB in the beginning and 350.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 12:55:42,086 INFO L168 Benchmark]: Boogie Preprocessor took 38.82 ms. Allocated memory is still 369.1 MB. Free memory was 350.1 MB in the beginning and 349.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 12:55:42,086 INFO L168 Benchmark]: RCFGBuilder took 324.52 ms. Allocated memory is still 369.1 MB. Free memory was 349.1 MB in the beginning and 327.1 MB in the end (delta: 22.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. [2021-06-05 12:55:42,087 INFO L168 Benchmark]: TraceAbstraction took 2852.92 ms. Allocated memory is still 369.1 MB. Free memory was 327.1 MB in the beginning and 163.0 MB in the end (delta: 164.1 MB). Peak memory consumption was 167.2 MB. Max. memory is 16.0 GB. [2021-06-05 12:55:42,089 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 369.1 MB. Free memory was 349.6 MB in the beginning and 349.5 MB in the end (delta: 75.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 258.07 ms. Allocated memory is still 369.1 MB. Free memory was 330.6 MB in the beginning and 352.2 MB in the end (delta: -21.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 32.55 ms. Allocated memory is still 369.1 MB. Free memory was 351.2 MB in the beginning and 350.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 38.82 ms. Allocated memory is still 369.1 MB. Free memory was 350.1 MB in the beginning and 349.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 324.52 ms. Allocated memory is still 369.1 MB. Free memory was 349.1 MB in the beginning and 327.1 MB in the end (delta: 22.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2852.92 ms. Allocated memory is still 369.1 MB. Free memory was 327.1 MB in the beginning and 163.0 MB in the end (delta: 164.1 MB). Peak memory consumption was 167.2 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 45]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 79 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2717.7ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 10.4ms, AutomataDifference: 1645.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 22.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 126 SDtfs, 433 SDslu, 803 SDs, 0 SdLazy, 596 SolverSat, 48 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 396.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 82 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 1424.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred in iteration=0, InterpolantAutomatonStates: 50, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 31.3ms AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 27.8ms SsaConstructionTime, 165.2ms SatisfiabilityAnalysisTime, 693.7ms InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 128 ConstructedInterpolants, 0 QuantifiedInterpolants, 928 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...