/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/mix028_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:27:10,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 10:27:10,827 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 10:27:10,869 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 10:27:10,870 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 10:27:10,873 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 10:27:10,878 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 10:27:10,880 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 10:27:10,883 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 10:27:10,887 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 10:27:10,888 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 10:27:10,889 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 10:27:10,889 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:27:10,891 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:27:10,895 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:27:10,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:27:10,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:27:10,899 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:27:10,901 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:27:10,907 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:27:10,908 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:27:10,909 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:27:10,911 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:27:10,912 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:27:10,918 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-16 10:27:10,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-16 10:27:10,922 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-16 10:27:10,924 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-16 10:27:10,924 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-16 10:27:10,925 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-16 10:27:10,925 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-16 10:27:10,926 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-16 10:27:10,926 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-16 10:27:10,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:27:10,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:27:10,928 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:27:10,929 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 10:27:10,959 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:27:10,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:27:10,960 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:27:10,960 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:27:10,961 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:27:10,961 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:27:10,962 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:27:10,962 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:27:10,962 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:27:10,962 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:27:10,963 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:27:10,963 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:27:10,963 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:27:10,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:27:10,963 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:27:10,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:27:10,964 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:27:10,964 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:27:10,964 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:27:10,964 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:27:10,964 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:27:10,964 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:27:10,964 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:27:10,965 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:27:10,965 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:27:10,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:27:10,965 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:27:10,965 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:27:10,965 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:27:10,965 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:27:10,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:27:10,966 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:27:10,966 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:27:10,966 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:27:11,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:27:11,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:27:11,218 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:27:11,219 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:27:11,220 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:27:11,221 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix028_tso.i [2022-09-16 10:27:11,288 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/580e788a4/57040be2beb34074aa42a0920b858819/FLAG763ca4a32 [2022-09-16 10:27:11,773 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:27:11,774 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix028_tso.i [2022-09-16 10:27:11,800 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/580e788a4/57040be2beb34074aa42a0920b858819/FLAG763ca4a32 [2022-09-16 10:27:12,295 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/580e788a4/57040be2beb34074aa42a0920b858819 [2022-09-16 10:27:12,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:27:12,299 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:27:12,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:27:12,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:27:12,303 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:27:12,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:27:12" (1/1) ... [2022-09-16 10:27:12,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b329038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:27:12, skipping insertion in model container [2022-09-16 10:27:12,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:27:12" (1/1) ... [2022-09-16 10:27:12,311 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:27:12,369 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:27:12,521 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/mix028_tso.i[944,957] [2022-09-16 10:27:12,721 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:27:12,731 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:27:12,744 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/mix028_tso.i[944,957] [2022-09-16 10:27:12,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:27:12,820 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:27:12,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:27:12 WrapperNode [2022-09-16 10:27:12,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:27:12,822 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:27:12,822 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:27:12,822 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:27:12,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:27:12" (1/1) ... [2022-09-16 10:27:12,863 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:27:12" (1/1) ... [2022-09-16 10:27:12,914 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 379 [2022-09-16 10:27:12,914 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:27:12,915 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:27:12,915 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:27:12,915 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:27:12,925 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:27:12" (1/1) ... [2022-09-16 10:27:12,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:27:12" (1/1) ... [2022-09-16 10:27:12,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:27:12" (1/1) ... [2022-09-16 10:27:12,937 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:27:12" (1/1) ... [2022-09-16 10:27:12,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:27:12" (1/1) ... [2022-09-16 10:27:12,980 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:27:12" (1/1) ... [2022-09-16 10:27:12,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:27:12" (1/1) ... [2022-09-16 10:27:12,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:27:12,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:27:12,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:27:12,988 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:27:12,989 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:27:12" (1/1) ... [2022-09-16 10:27:13,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:27:13,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:27:13,029 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 10:27:13,043 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 10:27:13,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:27:13,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 10:27:13,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:27:13,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:27:13,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:27:13,077 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 10:27:13,077 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 10:27:13,078 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 10:27:13,078 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 10:27:13,079 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-09-16 10:27:13,079 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-09-16 10:27:13,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:27:13,080 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 10:27:13,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:27:13,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:27:13,082 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 10:27:13,245 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:27:13,247 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:27:13,886 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:27:14,359 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:27:14,360 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:27:14,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:27:14 BoogieIcfgContainer [2022-09-16 10:27:14,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:27:14,364 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:27:14,364 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:27:14,367 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:27:14,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:27:12" (1/3) ... [2022-09-16 10:27:14,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45cb3cfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:27:14, skipping insertion in model container [2022-09-16 10:27:14,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:27:12" (2/3) ... [2022-09-16 10:27:14,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45cb3cfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:27:14, skipping insertion in model container [2022-09-16 10:27:14,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:27:14" (3/3) ... [2022-09-16 10:27:14,372 INFO L112 eAbstractionObserver]: Analyzing ICFG mix028_tso.i [2022-09-16 10:27:14,381 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:27:14,390 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:27:14,391 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-09-16 10:27:14,391 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:27:14,471 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 10:27:14,513 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 127 places, 119 transitions, 253 flow [2022-09-16 10:27:15,789 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 30589 states, 30563 states have (on average 3.698099008605176) internal successors, (113025), 30588 states have internal predecessors, (113025), 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 10:27:15,815 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:27:15,821 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;@66ef64c6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:27:15,821 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-09-16 10:27:15,881 INFO L276 IsEmpty]: Start isEmpty. Operand has 30589 states, 30563 states have (on average 3.698099008605176) internal successors, (113025), 30588 states have internal predecessors, (113025), 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 10:27:15,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-09-16 10:27:15,888 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:27:15,890 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:27:15,891 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:27:15,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:27:15,898 INFO L85 PathProgramCache]: Analyzing trace with hash -2089410583, now seen corresponding path program 1 times [2022-09-16 10:27:15,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:27:15,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595087696] [2022-09-16 10:27:15,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:27:15,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:27:16,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:27:16,246 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 10:27:16,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:27:16,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595087696] [2022-09-16 10:27:16,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595087696] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:27:16,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:27:16,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 10:27:16,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654747757] [2022-09-16 10:27:16,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:27:16,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 10:27:16,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:27:16,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 10:27:16,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:27:16,345 INFO L87 Difference]: Start difference. First operand has 30589 states, 30563 states have (on average 3.698099008605176) internal successors, (113025), 30588 states have internal predecessors, (113025), 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 23.5) internal successors, (47), 3 states have internal predecessors, (47), 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 10:27:16,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:27:16,944 INFO L93 Difference]: Finished difference Result 22978 states and 81352 transitions. [2022-09-16 10:27:16,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 10:27:16,947 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 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 47 [2022-09-16 10:27:16,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:27:17,289 INFO L225 Difference]: With dead ends: 22978 [2022-09-16 10:27:17,289 INFO L226 Difference]: Without dead ends: 22978 [2022-09-16 10:27:17,292 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 10:27:17,300 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 52 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:27:17,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 157 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:27:17,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22978 states. [2022-09-16 10:27:18,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22978 to 22978. [2022-09-16 10:27:18,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22978 states, 22924 states have (on average 3.5487698481940324) internal successors, (81352), 22977 states have internal predecessors, (81352), 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 10:27:18,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22978 states to 22978 states and 81352 transitions. [2022-09-16 10:27:18,797 INFO L78 Accepts]: Start accepts. Automaton has 22978 states and 81352 transitions. Word has length 47 [2022-09-16 10:27:18,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:27:18,798 INFO L495 AbstractCegarLoop]: Abstraction has 22978 states and 81352 transitions. [2022-09-16 10:27:18,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 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 10:27:18,799 INFO L276 IsEmpty]: Start isEmpty. Operand 22978 states and 81352 transitions. [2022-09-16 10:27:18,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-09-16 10:27:18,824 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:27:18,824 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:27:18,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:27:18,825 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:27:18,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:27:18,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1269895511, now seen corresponding path program 1 times [2022-09-16 10:27:18,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:27:18,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827973460] [2022-09-16 10:27:18,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:27:18,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:27:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:27:18,962 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 10:27:18,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:27:18,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827973460] [2022-09-16 10:27:18,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827973460] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:27:18,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:27:18,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:27:18,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911882188] [2022-09-16 10:27:18,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:27:18,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:27:18,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:27:18,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:27:18,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:27:18,966 INFO L87 Difference]: Start difference. First operand 22978 states and 81352 transitions. Second operand has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 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 10:27:19,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:27:19,586 INFO L93 Difference]: Finished difference Result 20236 states and 70350 transitions. [2022-09-16 10:27:19,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:27:19,588 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 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 59 [2022-09-16 10:27:19,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:27:19,707 INFO L225 Difference]: With dead ends: 20236 [2022-09-16 10:27:19,707 INFO L226 Difference]: Without dead ends: 20236 [2022-09-16 10:27:19,708 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 10:27:19,709 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 142 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:27:19,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 211 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:27:19,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20236 states. [2022-09-16 10:27:20,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20236 to 19426. [2022-09-16 10:27:20,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19426 states, 19399 states have (on average 3.530439713387288) internal successors, (68487), 19425 states have internal predecessors, (68487), 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 10:27:20,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19426 states to 19426 states and 68487 transitions. [2022-09-16 10:27:20,627 INFO L78 Accepts]: Start accepts. Automaton has 19426 states and 68487 transitions. Word has length 59 [2022-09-16 10:27:20,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:27:20,634 INFO L495 AbstractCegarLoop]: Abstraction has 19426 states and 68487 transitions. [2022-09-16 10:27:20,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 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 10:27:20,634 INFO L276 IsEmpty]: Start isEmpty. Operand 19426 states and 68487 transitions. [2022-09-16 10:27:20,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-09-16 10:27:20,639 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:27:20,639 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:27:20,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:27:20,640 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:27:20,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:27:20,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1269895510, now seen corresponding path program 1 times [2022-09-16 10:27:20,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:27:20,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90899411] [2022-09-16 10:27:20,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:27:20,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:27:20,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:27:20,762 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 10:27:20,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:27:20,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90899411] [2022-09-16 10:27:20,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90899411] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:27:20,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:27:20,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:27:20,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150437737] [2022-09-16 10:27:20,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:27:20,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:27:20,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:27:20,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:27:20,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:27:20,766 INFO L87 Difference]: Start difference. First operand 19426 states and 68487 transitions. Second operand has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 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 10:27:21,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:27:21,179 INFO L93 Difference]: Finished difference Result 15604 states and 54911 transitions. [2022-09-16 10:27:21,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:27:21,180 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 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 59 [2022-09-16 10:27:21,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:27:21,330 INFO L225 Difference]: With dead ends: 15604 [2022-09-16 10:27:21,331 INFO L226 Difference]: Without dead ends: 15604 [2022-09-16 10:27:21,332 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 10:27:21,336 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 105 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:27:21,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 287 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:27:21,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15604 states. [2022-09-16 10:27:21,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15604 to 15604. [2022-09-16 10:27:21,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15604 states, 15595 states have (on average 3.5210644437319654) internal successors, (54911), 15603 states have internal predecessors, (54911), 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 10:27:21,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15604 states to 15604 states and 54911 transitions. [2022-09-16 10:27:21,981 INFO L78 Accepts]: Start accepts. Automaton has 15604 states and 54911 transitions. Word has length 59 [2022-09-16 10:27:21,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:27:21,982 INFO L495 AbstractCegarLoop]: Abstraction has 15604 states and 54911 transitions. [2022-09-16 10:27:21,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 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 10:27:21,982 INFO L276 IsEmpty]: Start isEmpty. Operand 15604 states and 54911 transitions. [2022-09-16 10:27:21,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-09-16 10:27:21,993 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:27:21,993 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, 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 10:27:21,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:27:21,993 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:27:21,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:27:21,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1646592777, now seen corresponding path program 1 times [2022-09-16 10:27:21,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:27:21,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962701931] [2022-09-16 10:27:21,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:27:21,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:27:22,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:27:22,140 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 10:27:22,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:27:22,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962701931] [2022-09-16 10:27:22,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962701931] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:27:22,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:27:22,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 10:27:22,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185998563] [2022-09-16 10:27:22,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:27:22,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 10:27:22,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:27:22,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 10:27:22,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:27:22,144 INFO L87 Difference]: Start difference. First operand 15604 states and 54911 transitions. Second operand has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 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 10:27:22,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:27:22,318 INFO L93 Difference]: Finished difference Result 14794 states and 52238 transitions. [2022-09-16 10:27:22,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 10:27:22,319 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 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 72 [2022-09-16 10:27:22,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:27:22,319 INFO L225 Difference]: With dead ends: 14794 [2022-09-16 10:27:22,319 INFO L226 Difference]: Without dead ends: 0 [2022-09-16 10:27:22,320 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:27:22,321 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 351 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:27:22,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 200 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:27:22,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-09-16 10:27:22,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-09-16 10:27:22,322 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 10:27:22,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-09-16 10:27:22,322 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2022-09-16 10:27:22,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:27:22,322 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-16 10:27:22,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 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 10:27:22,323 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-09-16 10:27:22,323 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-09-16 10:27:22,325 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2022-09-16 10:27:22,325 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2022-09-16 10:27:22,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2022-09-16 10:27:22,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2022-09-16 10:27:22,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2022-09-16 10:27:22,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2022-09-16 10:27:22,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2022-09-16 10:27:22,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2022-09-16 10:27:22,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2022-09-16 10:27:22,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2022-09-16 10:27:22,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2022-09-16 10:27:22,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2022-09-16 10:27:22,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2022-09-16 10:27:22,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2022-09-16 10:27:22,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2022-09-16 10:27:22,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 10:27:22,330 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-09-16 10:27:22,335 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 10:27:22,335 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 10:27:22,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 10:27:22 BasicIcfg [2022-09-16 10:27:22,337 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 10:27:22,338 INFO L158 Benchmark]: Toolchain (without parser) took 10039.07ms. Allocated memory was 189.8MB in the beginning and 3.9GB in the end (delta: 3.7GB). Free memory was 159.6MB in the beginning and 3.3GB in the end (delta: -3.1GB). Peak memory consumption was 549.1MB. Max. memory is 8.0GB. [2022-09-16 10:27:22,338 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 189.8MB. Free memory is still 147.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:27:22,338 INFO L158 Benchmark]: CACSL2BoogieTranslator took 521.38ms. Allocated memory was 189.8MB in the beginning and 294.6MB in the end (delta: 104.9MB). Free memory was 159.4MB in the beginning and 249.9MB in the end (delta: -90.5MB). Peak memory consumption was 20.3MB. Max. memory is 8.0GB. [2022-09-16 10:27:22,338 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.37ms. Allocated memory is still 294.6MB. Free memory was 249.9MB in the beginning and 246.2MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 10:27:22,339 INFO L158 Benchmark]: Boogie Preprocessor took 72.37ms. Allocated memory is still 294.6MB. Free memory was 246.2MB in the beginning and 243.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 10:27:22,339 INFO L158 Benchmark]: RCFGBuilder took 1374.23ms. Allocated memory is still 294.6MB. Free memory was 243.6MB in the beginning and 175.5MB in the end (delta: 68.1MB). Peak memory consumption was 68.6MB. Max. memory is 8.0GB. [2022-09-16 10:27:22,339 INFO L158 Benchmark]: TraceAbstraction took 7973.14ms. Allocated memory was 294.6MB in the beginning and 3.9GB in the end (delta: 3.6GB). Free memory was 175.0MB in the beginning and 3.3GB in the end (delta: -3.1GB). Peak memory consumption was 459.4MB. Max. memory is 8.0GB. [2022-09-16 10:27:22,340 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 189.8MB. Free memory is still 147.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 521.38ms. Allocated memory was 189.8MB in the beginning and 294.6MB in the end (delta: 104.9MB). Free memory was 159.4MB in the beginning and 249.9MB in the end (delta: -90.5MB). Peak memory consumption was 20.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 92.37ms. Allocated memory is still 294.6MB. Free memory was 249.9MB in the beginning and 246.2MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 72.37ms. Allocated memory is still 294.6MB. Free memory was 246.2MB in the beginning and 243.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1374.23ms. Allocated memory is still 294.6MB. Free memory was 243.6MB in the beginning and 175.5MB in the end (delta: 68.1MB). Peak memory consumption was 68.6MB. Max. memory is 8.0GB. * TraceAbstraction took 7973.14ms. Allocated memory was 294.6MB in the beginning and 3.9GB in the end (delta: 3.6GB). Free memory was 175.0MB in the beginning and 3.3GB in the end (delta: -3.1GB). Peak memory consumption was 459.4MB. 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: 751]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 751]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 771]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 771]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 816]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 816]: 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 7 procedures, 151 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 7.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 650 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 650 mSDsluCounter, 855 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 482 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 175 IncrementalHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 428 mSDtfsCounter, 175 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30589occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 810 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 237 NumberOfCodeBlocks, 237 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 233 ConstructedInterpolants, 0 QuantifiedInterpolants, 635 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-09-16 10:27:22,384 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...