/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/atomic/01-begin-end.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-12 18:44:02,034 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-12 18:44:02,035 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-12 18:44:02,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-12 18:44:02,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-12 18:44:02,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-12 18:44:02,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-12 18:44:02,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-12 18:44:02,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-12 18:44:02,067 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-12 18:44:02,068 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-12 18:44:02,069 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-12 18:44:02,069 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-12 18:44:02,070 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-12 18:44:02,071 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-12 18:44:02,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-12 18:44:02,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-12 18:44:02,074 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-12 18:44:02,075 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-12 18:44:02,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-12 18:44:02,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-12 18:44:02,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-12 18:44:02,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-12 18:44:02,080 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-12 18:44:02,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-12 18:44:02,083 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-12 18:44:02,083 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-12 18:44:02,084 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-12 18:44:02,084 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-12 18:44:02,085 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-12 18:44:02,085 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-12 18:44:02,086 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-12 18:44:02,087 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-12 18:44:02,087 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-12 18:44:02,088 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-12 18:44:02,088 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-12 18:44:02,089 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-12 18:44:02,089 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-12 18:44:02,089 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-12 18:44:02,090 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-12 18:44:02,091 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-12 18:44:02,092 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.epf [2021-06-12 18:44:02,127 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-12 18:44:02,128 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-12 18:44:02,128 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-12 18:44:02,128 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-12 18:44:02,129 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-12 18:44:02,129 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-12 18:44:02,130 INFO L138 SettingsManager]: * Use SBE=true [2021-06-12 18:44:02,130 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-12 18:44:02,130 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-12 18:44:02,130 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-12 18:44:02,130 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-12 18:44:02,131 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-12 18:44:02,131 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-12 18:44:02,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-12 18:44:02,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-12 18:44:02,131 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-12 18:44:02,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-12 18:44:02,132 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-12 18:44:02,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-12 18:44:02,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-12 18:44:02,132 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-12 18:44:02,133 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-12 18:44:02,133 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-12 18:44:02,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-12 18:44:02,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-12 18:44:02,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-12 18:44:02,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-12 18:44:02,134 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-12 18:44:02,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-12 18:44:02,134 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-12 18:44:02,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-12 18:44:02,135 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-12 18:44:02,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-12 18:44:02,467 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-12 18:44:02,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-12 18:44:02,470 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-12 18:44:02,470 INFO L275 PluginConnector]: CDTParser initialized [2021-06-12 18:44:02,471 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/atomic/01-begin-end.c [2021-06-12 18:44:02,517 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c06509656/27098252aeae407da6bf5c42087ab417/FLAG632d0b284 [2021-06-12 18:44:02,951 INFO L306 CDTParser]: Found 1 translation units. [2021-06-12 18:44:02,951 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/atomic/01-begin-end.c [2021-06-12 18:44:02,953 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-12 18:44:02,982 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c06509656/27098252aeae407da6bf5c42087ab417/FLAG632d0b284 [2021-06-12 18:44:03,002 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c06509656/27098252aeae407da6bf5c42087ab417 [2021-06-12 18:44:03,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-12 18:44:03,007 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-12 18:44:03,008 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-12 18:44:03,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-12 18:44:03,011 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-12 18:44:03,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.06 06:44:03" (1/1) ... [2021-06-12 18:44:03,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39540f24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 06:44:03, skipping insertion in model container [2021-06-12 18:44:03,014 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.06 06:44:03" (1/1) ... [2021-06-12 18:44:03,019 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-12 18:44:03,030 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-12 18:44:03,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-12 18:44:03,194 INFO L203 MainTranslator]: Completed pre-run [2021-06-12 18:44:03,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-12 18:44:03,211 INFO L208 MainTranslator]: Completed translation [2021-06-12 18:44:03,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 06:44:03 WrapperNode [2021-06-12 18:44:03,212 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-12 18:44:03,213 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-12 18:44:03,213 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-12 18:44:03,213 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-12 18:44:03,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 06:44:03" (1/1) ... [2021-06-12 18:44:03,224 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 06:44:03" (1/1) ... [2021-06-12 18:44:03,238 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-12 18:44:03,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-12 18:44:03,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-12 18:44:03,239 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-12 18:44:03,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 06:44:03" (1/1) ... [2021-06-12 18:44:03,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 06:44:03" (1/1) ... [2021-06-12 18:44:03,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 06:44:03" (1/1) ... [2021-06-12 18:44:03,248 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 06:44:03" (1/1) ... [2021-06-12 18:44:03,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 06:44:03" (1/1) ... [2021-06-12 18:44:03,253 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 06:44:03" (1/1) ... [2021-06-12 18:44:03,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 06:44:03" (1/1) ... [2021-06-12 18:44:03,260 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-12 18:44:03,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-12 18:44:03,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-12 18:44:03,263 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-12 18:44:03,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 06:44:03" (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 [2021-06-12 18:44:03,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-12 18:44:03,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-12 18:44:03,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-12 18:44:03,339 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-06-12 18:44:03,339 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-06-12 18:44:03,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-12 18:44:03,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-12 18:44:03,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-12 18:44:03,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-12 18:44:03,341 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-12 18:44:03,496 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-12 18:44:03,496 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-12 18:44:03,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.06 06:44:03 BoogieIcfgContainer [2021-06-12 18:44:03,498 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-12 18:44:03,499 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-12 18:44:03,499 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-12 18:44:03,501 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-12 18:44:03,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.06 06:44:03" (1/3) ... [2021-06-12 18:44:03,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b95016e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.06 06:44:03, skipping insertion in model container [2021-06-12 18:44:03,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 06:44:03" (2/3) ... [2021-06-12 18:44:03,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b95016e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.06 06:44:03, skipping insertion in model container [2021-06-12 18:44:03,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.06 06:44:03" (3/3) ... [2021-06-12 18:44:03,504 INFO L111 eAbstractionObserver]: Analyzing ICFG 01-begin-end.c [2021-06-12 18:44:03,508 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-12 18:44:03,509 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-12 18:44:03,509 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-12 18:44:03,509 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-12 18:44:03,525 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 18:44:03,526 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 18:44:03,526 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 18:44:03,526 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 18:44:03,526 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 18:44:03,526 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 18:44:03,526 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 18:44:03,527 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 18:44:03,527 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 18:44:03,527 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 18:44:03,527 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 18:44:03,527 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 18:44:03,530 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 18:44:03,531 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 18:44:03,531 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 18:44:03,531 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 18:44:03,533 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-12 18:44:03,550 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-06-12 18:44:03,566 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-12 18:44:03,566 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-12 18:44:03,566 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-12 18:44:03,566 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-12 18:44:03,567 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-12 18:44:03,567 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-12 18:44:03,567 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-12 18:44:03,567 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-12 18:44:03,574 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 30 places, 27 transitions, 59 flow [2021-06-12 18:44:03,601 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 66 states, 64 states have (on average 1.71875) internal successors, (110), 65 states have internal predecessors, (110), 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) [2021-06-12 18:44:03,604 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 64 states have (on average 1.71875) internal successors, (110), 65 states have internal predecessors, (110), 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) [2021-06-12 18:44:03,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-06-12 18:44:03,609 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 18:44:03,609 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 18:44:03,609 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-12 18:44:03,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 18:44:03,614 INFO L82 PathProgramCache]: Analyzing trace with hash -1952485308, now seen corresponding path program 1 times [2021-06-12 18:44:03,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 18:44:03,650 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286527990] [2021-06-12 18:44:03,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 18:44:03,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 18:44:03,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 18:44:03,798 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 18:44:03,798 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286527990] [2021-06-12 18:44:03,799 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286527990] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 18:44:03,799 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 18:44:03,799 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-12 18:44:03,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511778835] [2021-06-12 18:44:03,803 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-12 18:44:03,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 18:44:03,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-12 18:44:03,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-12 18:44:03,817 INFO L87 Difference]: Start difference. First operand has 66 states, 64 states have (on average 1.71875) internal successors, (110), 65 states have internal predecessors, (110), 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 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2021-06-12 18:44:03,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 18:44:03,835 INFO L93 Difference]: Finished difference Result 56 states and 87 transitions. [2021-06-12 18:44:03,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-12 18:44:03,837 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 16 [2021-06-12 18:44:03,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 18:44:03,841 INFO L225 Difference]: With dead ends: 56 [2021-06-12 18:44:03,842 INFO L226 Difference]: Without dead ends: 0 [2021-06-12 18:44:03,843 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-12 18:44:03,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-12 18:44:03,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-12 18:44:03,860 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) [2021-06-12 18:44:03,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-12 18:44:03,861 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2021-06-12 18:44:03,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 18:44:03,861 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-12 18:44:03,862 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2021-06-12 18:44:03,862 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-12 18:44:03,862 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-12 18:44:03,862 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-12 18:44:03,864 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-12 18:44:03,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.06 06:44:03 BasicIcfg [2021-06-12 18:44:03,867 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-12 18:44:03,868 INFO L168 Benchmark]: Toolchain (without parser) took 861.18 ms. Allocated memory is still 200.3 MB. Free memory was 162.2 MB in the beginning and 144.5 MB in the end (delta: 17.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 8.0 GB. [2021-06-12 18:44:03,868 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 200.3 MB. Free memory is still 180.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-12 18:44:03,869 INFO L168 Benchmark]: CACSL2BoogieTranslator took 204.00 ms. Allocated memory is still 200.3 MB. Free memory was 162.0 MB in the beginning and 182.2 MB in the end (delta: -20.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-06-12 18:44:03,870 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.57 ms. Allocated memory is still 200.3 MB. Free memory was 182.2 MB in the beginning and 180.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-12 18:44:03,870 INFO L168 Benchmark]: Boogie Preprocessor took 21.08 ms. Allocated memory is still 200.3 MB. Free memory was 180.7 MB in the beginning and 180.2 MB in the end (delta: 526.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-12 18:44:03,871 INFO L168 Benchmark]: RCFGBuilder took 235.04 ms. Allocated memory is still 200.3 MB. Free memory was 180.2 MB in the beginning and 167.1 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-06-12 18:44:03,871 INFO L168 Benchmark]: TraceAbstraction took 367.83 ms. Allocated memory is still 200.3 MB. Free memory was 166.5 MB in the beginning and 144.5 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-06-12 18:44:03,874 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 200.3 MB. Free memory is still 180.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 204.00 ms. Allocated memory is still 200.3 MB. Free memory was 162.0 MB in the beginning and 182.2 MB in the end (delta: -20.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 25.57 ms. Allocated memory is still 200.3 MB. Free memory was 182.2 MB in the beginning and 180.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 21.08 ms. Allocated memory is still 200.3 MB. Free memory was 180.7 MB in the beginning and 180.2 MB in the end (delta: 526.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 235.04 ms. Allocated memory is still 200.3 MB. Free memory was 180.2 MB in the beginning and 167.1 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 367.83 ms. Allocated memory is still 200.3 MB. Free memory was 166.5 MB in the beginning and 144.5 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 33]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 33 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 298.8ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 6.9ms, AutomataDifference: 38.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 34.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 20 SDtfs, 8 SDslu, 3 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 7.1ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 8.7ms SsaConstructionTime, 18.1ms SatisfiabilityAnalysisTime, 55.3ms InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 37 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...