/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 --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/pthread-wmm/safe010_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:34:05,563 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 10:34:05,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 10:34:05,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 10:34:05,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 10:34:05,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 10:34:05,586 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 10:34:05,587 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 10:34:05,588 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 10:34:05,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 10:34:05,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 10:34:05,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 10:34:05,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:34:05,591 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:34:05,592 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:34:05,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:34:05,593 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:34:05,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:34:05,595 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:34:05,596 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:34:05,597 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:34:05,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:34:05,599 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:34:05,600 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:34:05,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-16 10:34:05,602 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-16 10:34:05,602 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-16 10:34:05,603 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-16 10:34:05,604 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-16 10:34:05,604 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-16 10:34:05,604 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-16 10:34:05,605 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-16 10:34:05,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-16 10:34:05,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-16 10:34:05,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-16 10:34:05,607 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-16 10:34:05,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-16 10:34:05,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-16 10:34:05,608 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:34:05,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:34:05,609 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:34:05,615 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 [2022-09-16 10:34:05,631 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:34:05,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:34:05,631 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:34:05,631 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:34:05,632 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:34:05,632 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:34:05,633 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:34:05,633 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:34:05,633 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:34:05,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:34:05,633 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:34:05,633 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:34:05,633 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:34:05,634 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:34:05,634 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:34:05,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:34:05,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:34:05,634 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:34:05,634 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:34:05,634 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:34:05,635 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:34:05,635 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:34:05,635 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:34:05,640 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:34:05,640 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:34:05,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:34:05,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:34:05,640 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:34:05,641 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:34:05,641 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:34:05,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:34:05,641 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:34:05,641 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:34:05,641 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:34:05,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:34:05,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:34:05,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:34:05,860 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:34:05,864 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:34:05,865 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe010_tso.i [2022-09-16 10:34:05,946 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f80fed0c/393737b96b194020907d1e6339e95629/FLAG91d337658 [2022-09-16 10:34:06,399 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:34:06,399 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe010_tso.i [2022-09-16 10:34:06,420 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f80fed0c/393737b96b194020907d1e6339e95629/FLAG91d337658 [2022-09-16 10:34:06,434 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f80fed0c/393737b96b194020907d1e6339e95629 [2022-09-16 10:34:06,436 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:34:06,437 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:34:06,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:34:06,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:34:06,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:34:06,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:34:06" (1/1) ... [2022-09-16 10:34:06,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69ab872d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:06, skipping insertion in model container [2022-09-16 10:34:06,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:34:06" (1/1) ... [2022-09-16 10:34:06,454 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:34:06,489 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:34:06,655 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe010_tso.i[945,958] [2022-09-16 10:34:06,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:34:06,796 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:34:06,805 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe010_tso.i[945,958] [2022-09-16 10:34:06,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:34:06,858 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:34:06,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:06 WrapperNode [2022-09-16 10:34:06,859 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:34:06,859 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:34:06,860 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:34:06,860 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:34:06,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:06" (1/1) ... [2022-09-16 10:34:06,888 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:06" (1/1) ... [2022-09-16 10:34:06,905 INFO L138 Inliner]: procedures = 175, calls = 40, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2022-09-16 10:34:06,905 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:34:06,906 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:34:06,906 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:34:06,906 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:34:06,910 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:06" (1/1) ... [2022-09-16 10:34:06,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:06" (1/1) ... [2022-09-16 10:34:06,915 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:06" (1/1) ... [2022-09-16 10:34:06,915 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:06" (1/1) ... [2022-09-16 10:34:06,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:06" (1/1) ... [2022-09-16 10:34:06,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:06" (1/1) ... [2022-09-16 10:34:06,932 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:06" (1/1) ... [2022-09-16 10:34:06,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:34:06,934 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:34:06,934 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:34:06,934 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:34:06,936 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:06" (1/1) ... [2022-09-16 10:34:06,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:34:06,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:34:06,962 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-09-16 10:34:06,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-09-16 10:34:06,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:34:06,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 10:34:06,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:34:06,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:34:06,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:34:06,987 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 10:34:06,987 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 10:34:06,987 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 10:34:06,987 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 10:34:06,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:34:06,988 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 10:34:06,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:34:06,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:34:06,989 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-16 10:34:07,058 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:34:07,059 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:34:07,151 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:34:07,166 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:34:07,166 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:34:07,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:34:07 BoogieIcfgContainer [2022-09-16 10:34:07,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:34:07,169 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:34:07,169 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:34:07,171 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:34:07,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:34:06" (1/3) ... [2022-09-16 10:34:07,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aa8310e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:34:07, skipping insertion in model container [2022-09-16 10:34:07,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:06" (2/3) ... [2022-09-16 10:34:07,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aa8310e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:34:07, skipping insertion in model container [2022-09-16 10:34:07,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:34:07" (3/3) ... [2022-09-16 10:34:07,173 INFO L112 eAbstractionObserver]: Analyzing ICFG safe010_tso.i [2022-09-16 10:34:07,178 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:34:07,184 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:34:07,185 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-09-16 10:34:07,185 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:34:07,220 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 10:34:07,238 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 82 places, 77 transitions, 164 flow [2022-09-16 10:34:07,354 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2102 states, 2094 states have (on average 2.749761222540592) internal successors, (5758), 2101 states have internal predecessors, (5758), 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) [2022-09-16 10:34:07,367 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:34:07,373 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2de38e5e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:34:07,373 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-09-16 10:34:07,378 INFO L276 IsEmpty]: Start isEmpty. Operand has 2102 states, 2094 states have (on average 2.749761222540592) internal successors, (5758), 2101 states have internal predecessors, (5758), 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) [2022-09-16 10:34:07,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-09-16 10:34:07,383 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:34:07,383 INFO L195 NwaCegarLoop]: 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] [2022-09-16 10:34:07,383 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-09-16 10:34:07,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:34:07,387 INFO L85 PathProgramCache]: Analyzing trace with hash -50850978, now seen corresponding path program 1 times [2022-09-16 10:34:07,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:34:07,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777704705] [2022-09-16 10:34:07,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:34:07,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:34:07,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:34:07,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:34:07,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:34:07,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777704705] [2022-09-16 10:34:07,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777704705] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:34:07,639 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:34:07,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 10:34:07,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139241114] [2022-09-16 10:34:07,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:34:07,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 10:34:07,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:34:07,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 10:34:07,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:34:07,676 INFO L87 Difference]: Start difference. First operand has 2102 states, 2094 states have (on average 2.749761222540592) internal successors, (5758), 2101 states have internal predecessors, (5758), 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, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:34:07,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:34:07,778 INFO L93 Difference]: Finished difference Result 1476 states and 3788 transitions. [2022-09-16 10:34:07,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 10:34:07,782 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-09-16 10:34:07,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:34:07,805 INFO L225 Difference]: With dead ends: 1476 [2022-09-16 10:34:07,805 INFO L226 Difference]: Without dead ends: 1476 [2022-09-16 10:34:07,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:34:07,810 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 36 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:34:07,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 114 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:34:07,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1476 states. [2022-09-16 10:34:07,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1476 to 1476. [2022-09-16 10:34:07,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1476 states, 1464 states have (on average 2.587431693989071) internal successors, (3788), 1475 states have internal predecessors, (3788), 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) [2022-09-16 10:34:07,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 1476 states and 3788 transitions. [2022-09-16 10:34:07,901 INFO L78 Accepts]: Start accepts. Automaton has 1476 states and 3788 transitions. Word has length 27 [2022-09-16 10:34:07,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:34:07,901 INFO L495 AbstractCegarLoop]: Abstraction has 1476 states and 3788 transitions. [2022-09-16 10:34:07,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:34:07,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 3788 transitions. [2022-09-16 10:34:07,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-09-16 10:34:07,905 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:34:07,905 INFO L195 NwaCegarLoop]: 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] [2022-09-16 10:34:07,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:34:07,905 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-09-16 10:34:07,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:34:07,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1607886935, now seen corresponding path program 1 times [2022-09-16 10:34:07,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:34:07,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974592874] [2022-09-16 10:34:07,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:34:07,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:34:07,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:34:08,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:34:08,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:34:08,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974592874] [2022-09-16 10:34:08,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974592874] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:34:08,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:34:08,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:34:08,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065862025] [2022-09-16 10:34:08,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:34:08,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:34:08,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:34:08,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:34:08,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:34:08,015 INFO L87 Difference]: Start difference. First operand 1476 states and 3788 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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) [2022-09-16 10:34:08,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:34:08,054 INFO L93 Difference]: Finished difference Result 1314 states and 3362 transitions. [2022-09-16 10:34:08,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:34:08,055 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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 38 [2022-09-16 10:34:08,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:34:08,060 INFO L225 Difference]: With dead ends: 1314 [2022-09-16 10:34:08,060 INFO L226 Difference]: Without dead ends: 1314 [2022-09-16 10:34:08,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:34:08,061 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 71 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:34:08,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 207 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:34:08,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2022-09-16 10:34:08,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1314. [2022-09-16 10:34:08,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1314 states, 1308 states have (on average 2.570336391437309) internal successors, (3362), 1313 states have internal predecessors, (3362), 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) [2022-09-16 10:34:08,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 3362 transitions. [2022-09-16 10:34:08,093 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 3362 transitions. Word has length 38 [2022-09-16 10:34:08,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:34:08,095 INFO L495 AbstractCegarLoop]: Abstraction has 1314 states and 3362 transitions. [2022-09-16 10:34:08,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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) [2022-09-16 10:34:08,099 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 3362 transitions. [2022-09-16 10:34:08,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-09-16 10:34:08,104 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:34:08,104 INFO L195 NwaCegarLoop]: 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] [2022-09-16 10:34:08,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:34:08,104 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-09-16 10:34:08,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:34:08,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1607886934, now seen corresponding path program 1 times [2022-09-16 10:34:08,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:34:08,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318887082] [2022-09-16 10:34:08,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:34:08,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:34:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:34:08,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:34:08,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:34:08,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318887082] [2022-09-16 10:34:08,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318887082] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:34:08,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:34:08,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:34:08,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417890299] [2022-09-16 10:34:08,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:34:08,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:34:08,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:34:08,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:34:08,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:34:08,191 INFO L87 Difference]: Start difference. First operand 1314 states and 3362 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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) [2022-09-16 10:34:08,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:34:08,217 INFO L93 Difference]: Finished difference Result 1152 states and 2936 transitions. [2022-09-16 10:34:08,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:34:08,220 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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 38 [2022-09-16 10:34:08,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:34:08,220 INFO L225 Difference]: With dead ends: 1152 [2022-09-16 10:34:08,220 INFO L226 Difference]: Without dead ends: 0 [2022-09-16 10:34:08,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:34:08,224 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 94 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:34:08,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 120 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:34:08,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-09-16 10:34:08,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-09-16 10:34:08,232 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) [2022-09-16 10:34:08,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-09-16 10:34:08,233 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2022-09-16 10:34:08,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:34:08,233 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-16 10:34:08,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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) [2022-09-16 10:34:08,233 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-09-16 10:34:08,233 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-09-16 10:34:08,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2022-09-16 10:34:08,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2022-09-16 10:34:08,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2022-09-16 10:34:08,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2022-09-16 10:34:08,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 10 remaining) [2022-09-16 10:34:08,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2022-09-16 10:34:08,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2022-09-16 10:34:08,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2022-09-16 10:34:08,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2022-09-16 10:34:08,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2022-09-16 10:34:08,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:34:08,238 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-09-16 10:34:08,241 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 10:34:08,241 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 10:34:08,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 10:34:08 BasicIcfg [2022-09-16 10:34:08,243 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 10:34:08,244 INFO L158 Benchmark]: Toolchain (without parser) took 1806.85ms. Allocated memory was 172.0MB in the beginning and 206.6MB in the end (delta: 34.6MB). Free memory was 144.6MB in the beginning and 111.7MB in the end (delta: 32.8MB). Peak memory consumption was 67.1MB. Max. memory is 8.0GB. [2022-09-16 10:34:08,244 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 172.0MB. Free memory is still 132.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:34:08,244 INFO L158 Benchmark]: CACSL2BoogieTranslator took 421.52ms. Allocated memory is still 172.0MB. Free memory was 144.3MB in the beginning and 136.3MB in the end (delta: 8.0MB). Peak memory consumption was 8.6MB. Max. memory is 8.0GB. [2022-09-16 10:34:08,244 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.53ms. Allocated memory is still 172.0MB. Free memory was 136.3MB in the beginning and 134.5MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-16 10:34:08,245 INFO L158 Benchmark]: Boogie Preprocessor took 28.22ms. Allocated memory is still 172.0MB. Free memory was 134.5MB in the beginning and 133.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 10:34:08,245 INFO L158 Benchmark]: RCFGBuilder took 233.70ms. Allocated memory is still 172.0MB. Free memory was 133.0MB in the beginning and 119.9MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-09-16 10:34:08,245 INFO L158 Benchmark]: TraceAbstraction took 1074.09ms. Allocated memory was 172.0MB in the beginning and 206.6MB in the end (delta: 34.6MB). Free memory was 119.2MB in the beginning and 111.7MB in the end (delta: 7.4MB). Peak memory consumption was 42.7MB. Max. memory is 8.0GB. [2022-09-16 10:34:08,247 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 172.0MB. Free memory is still 132.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 421.52ms. Allocated memory is still 172.0MB. Free memory was 144.3MB in the beginning and 136.3MB in the end (delta: 8.0MB). Peak memory consumption was 8.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.53ms. Allocated memory is still 172.0MB. Free memory was 136.3MB in the beginning and 134.5MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.22ms. Allocated memory is still 172.0MB. Free memory was 134.5MB in the beginning and 133.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 233.70ms. Allocated memory is still 172.0MB. Free memory was 133.0MB in the beginning and 119.9MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1074.09ms. Allocated memory was 172.0MB in the beginning and 206.6MB in the end (delta: 34.6MB). Free memory was 119.2MB in the beginning and 111.7MB in the end (delta: 7.4MB). Peak memory consumption was 42.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 728]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 728]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 743]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 743]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 96 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 201 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 201 mSDsluCounter, 441 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 218 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 228 mSDtfsCounter, 43 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2102occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 252 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-09-16 10:34:08,314 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...