/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-Sleep-NoLbe-New_States.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/atomic/04-if-else.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 15:34:56,244 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 15:34:56,246 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 15:34:56,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-12 15:34:56,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-12 15:34:56,270 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-12 15:34:56,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-12 15:34:56,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-12 15:34:56,274 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-12 15:34:56,275 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-12 15:34:56,276 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-12 15:34:56,277 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-12 15:34:56,277 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-12 15:34:56,278 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-12 15:34:56,279 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-12 15:34:56,280 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-12 15:34:56,281 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-12 15:34:56,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-12 15:34:56,283 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-12 15:34:56,284 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-12 15:34:56,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-12 15:34:56,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-12 15:34:56,287 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-12 15:34:56,288 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-12 15:34:56,290 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-12 15:34:56,290 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-12 15:34:56,291 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-12 15:34:56,291 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-12 15:34:56,292 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-12 15:34:56,292 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-12 15:34:56,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-12 15:34:56,293 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-12 15:34:56,294 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-12 15:34:56,294 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-12 15:34:56,295 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-12 15:34:56,295 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-12 15:34:56,296 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-12 15:34:56,296 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-12 15:34:56,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-12 15:34:56,297 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-12 15:34:56,298 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-12 15:34:56,299 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-Sleep-NoLbe-New_States.epf [2021-03-12 15:34:56,319 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 15:34:56,320 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 15:34:56,320 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 15:34:56,320 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 15:34:56,321 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 15:34:56,321 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 15:34:56,321 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 15:34:56,322 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 15:34:56,322 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 15:34:56,322 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 15:34:56,322 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 15:34:56,322 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 15:34:56,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 15:34:56,323 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 15:34:56,323 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 15:34:56,323 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 15:34:56,323 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 15:34:56,323 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 15:34:56,323 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 15:34:56,324 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 15:34:56,324 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 15:34:56,324 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 15:34:56,324 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 15:34:56,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 15:34:56,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 15:34:56,325 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 15:34:56,325 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 15:34:56,325 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 15:34:56,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 15:34:56,325 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-12 15:34:56,325 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 15:34:56,326 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 15:34:56,326 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-03-12 15:34:56,326 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 15:34:56,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 15:34:56,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 15:34:56,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 15:34:56,629 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-12 15:34:56,629 INFO L275 PluginConnector]: CDTParser initialized [2021-03-12 15:34:56,630 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/atomic/04-if-else.c [2021-03-12 15:34:56,680 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58be38f3e/824982e3a7b24c79bf7d17394c231998/FLAG9caab02d6 [2021-03-12 15:34:57,130 INFO L306 CDTParser]: Found 1 translation units. [2021-03-12 15:34:57,131 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/atomic/04-if-else.c [2021-03-12 15:34:57,131 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-12 15:34:57,172 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58be38f3e/824982e3a7b24c79bf7d17394c231998/FLAG9caab02d6 [2021-03-12 15:34:57,675 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58be38f3e/824982e3a7b24c79bf7d17394c231998 [2021-03-12 15:34:57,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 15:34:57,684 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-12 15:34:57,685 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-12 15:34:57,685 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-12 15:34:57,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-12 15:34:57,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 03:34:57" (1/1) ... [2021-03-12 15:34:57,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1026579a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:34:57, skipping insertion in model container [2021-03-12 15:34:57,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 03:34:57" (1/1) ... [2021-03-12 15:34:57,694 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-12 15:34:57,703 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-12 15:34:57,814 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 15:34:57,832 INFO L203 MainTranslator]: Completed pre-run [2021-03-12 15:34:57,843 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 15:34:57,854 INFO L208 MainTranslator]: Completed translation [2021-03-12 15:34:57,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:34:57 WrapperNode [2021-03-12 15:34:57,856 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-12 15:34:57,858 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 15:34:57,858 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 15:34:57,858 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 15:34:57,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:34:57" (1/1) ... [2021-03-12 15:34:57,869 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:34:57" (1/1) ... [2021-03-12 15:34:57,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 15:34:57,883 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 15:34:57,883 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 15:34:57,883 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 15:34:57,889 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:34:57" (1/1) ... [2021-03-12 15:34:57,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:34:57" (1/1) ... [2021-03-12 15:34:57,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:34:57" (1/1) ... [2021-03-12 15:34:57,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:34:57" (1/1) ... [2021-03-12 15:34:57,895 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:34:57" (1/1) ... [2021-03-12 15:34:57,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:34:57" (1/1) ... [2021-03-12 15:34:57,897 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:34:57" (1/1) ... [2021-03-12 15:34:57,901 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 15:34:57,902 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 15:34:57,902 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 15:34:57,902 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 15:34:57,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:34:57" (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 [2021-03-12 15:34:57,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-12 15:34:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-12 15:34:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-12 15:34:57,973 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-03-12 15:34:57,973 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-03-12 15:34:57,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 15:34:57,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 15:34:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-12 15:34:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-12 15:34:57,975 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-12 15:34:58,223 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 15:34:58,223 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-03-12 15:34:58,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 03:34:58 BoogieIcfgContainer [2021-03-12 15:34:58,225 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 15:34:58,226 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 15:34:58,226 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 15:34:58,228 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 15:34:58,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.03 03:34:57" (1/3) ... [2021-03-12 15:34:58,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ab516d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 03:34:58, skipping insertion in model container [2021-03-12 15:34:58,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:34:57" (2/3) ... [2021-03-12 15:34:58,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ab516d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 03:34:58, skipping insertion in model container [2021-03-12 15:34:58,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 03:34:58" (3/3) ... [2021-03-12 15:34:58,231 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-if-else.c [2021-03-12 15:34:58,246 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 15:34:58,246 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 15:34:58,249 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 15:34:58,250 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 15:34:58,269 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:58,269 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:58,269 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:58,270 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:58,271 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:58,271 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:58,272 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:58,272 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:58,273 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:58,273 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:58,273 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:58,273 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:58,276 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:58,276 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:58,276 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:58,277 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:58,282 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-12 15:34:58,297 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-03-12 15:34:58,357 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 15:34:58,357 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 15:34:58,357 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 15:34:58,357 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 15:34:58,357 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 15:34:58,358 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 15:34:58,358 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 15:34:58,358 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 15:34:58,384 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 15:34:58,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 15:34:58,390 INFO L82 PathProgramCache]: Analyzing trace with hash 285755373, now seen corresponding path program 1 times [2021-03-12 15:34:58,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 15:34:58,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134985773] [2021-03-12 15:34:58,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 15:34:58,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 15:34:58,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 15:34:58,544 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134985773] [2021-03-12 15:34:58,545 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 15:34:58,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 15:34:58,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886924418] [2021-03-12 15:34:58,551 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-12 15:34:58,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 15:34:58,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-12 15:34:58,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-12 15:34:58,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 15:34:58,563 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 15:34:58,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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) [2021-03-12 15:34:58,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 15:34:58,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 15:34:58,703 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 15:34:58,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 03:34:58 BasicIcfg [2021-03-12 15:34:58,712 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 15:34:58,714 INFO L168 Benchmark]: Toolchain (without parser) took 1031.96 ms. Allocated memory was 255.9 MB in the beginning and 390.1 MB in the end (delta: 134.2 MB). Free memory was 233.3 MB in the beginning and 331.9 MB in the end (delta: -98.6 MB). Peak memory consumption was 33.4 MB. Max. memory is 16.0 GB. [2021-03-12 15:34:58,715 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 255.9 MB. Free memory is still 237.4 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 15:34:58,716 INFO L168 Benchmark]: CACSL2BoogieTranslator took 171.85 ms. Allocated memory was 255.9 MB in the beginning and 390.1 MB in the end (delta: 134.2 MB). Free memory was 232.6 MB in the beginning and 373.1 MB in the end (delta: -140.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. [2021-03-12 15:34:58,716 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.76 ms. Allocated memory is still 390.1 MB. Free memory was 373.1 MB in the beginning and 371.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 15:34:58,717 INFO L168 Benchmark]: Boogie Preprocessor took 17.54 ms. Allocated memory is still 390.1 MB. Free memory was 371.7 MB in the beginning and 371.0 MB in the end (delta: 723.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 15:34:58,721 INFO L168 Benchmark]: RCFGBuilder took 323.49 ms. Allocated memory is still 390.1 MB. Free memory was 371.0 MB in the beginning and 357.7 MB in the end (delta: 13.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-03-12 15:34:58,722 INFO L168 Benchmark]: TraceAbstraction took 486.38 ms. Allocated memory is still 390.1 MB. Free memory was 357.1 MB in the beginning and 331.9 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-03-12 15:34:58,726 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 255.9 MB. Free memory is still 237.4 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 171.85 ms. Allocated memory was 255.9 MB in the beginning and 390.1 MB in the end (delta: 134.2 MB). Free memory was 232.6 MB in the beginning and 373.1 MB in the end (delta: -140.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 23.76 ms. Allocated memory is still 390.1 MB. Free memory was 373.1 MB in the beginning and 371.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 17.54 ms. Allocated memory is still 390.1 MB. Free memory was 371.7 MB in the beginning and 371.0 MB in the end (delta: 723.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 323.49 ms. Allocated memory is still 390.1 MB. Free memory was 371.0 MB in the beginning and 357.7 MB in the end (delta: 13.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 486.38 ms. Allocated memory is still 390.1 MB. Free memory was 357.1 MB in the beginning and 331.9 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 48, positive: 45, positive conditional: 45, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 46, positive: 45, positive conditional: 45, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 46, positive: 44, positive conditional: 0, positive unconditional: 44, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 32, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 32, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 1, positive unconditional: 1, negative: 3, negative conditional: 1, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, positive: 35, positive conditional: 8, positive unconditional: 27, negative: 28, negative conditional: 11, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 46, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 32, unknown conditional: 0, unknown unconditional: 32] , Statistics on independence cache: Total cache size (in pairs): 34, Positive cache size: 31, Positive conditional cache size: 1, Positive unconditional cache size: 30, Negative cache size: 3, Negative conditional cache size: 1, Negative unconditional cache size: 2, SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 1, positive unconditional: 1, negative: 3, negative conditional: 1, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, positive: 35, positive conditional: 8, positive unconditional: 27, negative: 28, negative conditional: 11, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 34, Positive cache size: 31, Positive conditional cache size: 1, Positive unconditional cache size: 30, Negative cache size: 3, Negative conditional cache size: 1, Negative unconditional cache size: 2, Eliminated conditions: 0 ], Maximal queried relation: 1, Independence queries for same thread: 2 - PositiveResult [Line: 37]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 389.8ms, OverallIterations: 1, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.5ms, PartialOrderReductionTime: 151.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 11.1ms SsaConstructionTime, 16.8ms SatisfiabilityAnalysisTime, 66.2ms InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...