/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-pthread/cs_szymanski.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:56:30,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:56:30,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:56:30,301 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:56:30,302 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:56:30,307 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:56:30,312 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:56:30,321 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:56:30,324 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:56:30,331 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:56:30,333 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:56:30,337 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:56:30,337 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:56:30,340 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:56:30,343 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:56:30,368 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:56:30,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:56:30,372 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:56:30,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:56:30,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:56:30,389 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:56:30,391 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:56:30,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:56:30,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:56:30,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 16:56:30,412 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 16:56:30,413 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 16:56:30,416 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 16:56:30,417 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 16:56:30,419 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 16:56:30,419 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 16:56:30,420 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 16:56:30,421 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 16:56:30,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:56:30,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:56:30,423 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:56:30,424 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 16:56:30,480 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:56:30,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:56:30,481 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:56:30,481 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:56:30,483 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:56:30,483 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:56:30,486 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:56:30,486 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:56:30,487 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:56:30,487 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:56:30,488 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:56:30,489 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:56:30,489 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:56:30,489 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:56:30,489 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:56:30,489 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:56:30,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:56:30,490 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:56:30,490 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:56:30,490 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:56:30,491 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:56:30,491 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:56:30,491 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:56:30,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:56:30,492 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:56:30,492 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:56:30,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:56:30,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:56:30,493 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:56:30,493 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:56:30,493 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:56:30,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:56:30,494 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:56:30,494 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:56:30,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:56:31,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:56:31,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:56:31,007 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:56:31,008 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:56:31,010 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-pthread/cs_szymanski.i [2022-10-16 16:56:31,093 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8376cf8a/e748122aa74c4991b7c6355c34d4992b/FLAGa52189b3e [2022-10-16 16:56:31,824 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:56:31,825 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_szymanski.i [2022-10-16 16:56:31,842 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8376cf8a/e748122aa74c4991b7c6355c34d4992b/FLAGa52189b3e [2022-10-16 16:56:32,071 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8376cf8a/e748122aa74c4991b7c6355c34d4992b [2022-10-16 16:56:32,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:56:32,080 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:56:32,084 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:56:32,084 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:56:32,090 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:56:32,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:56:32" (1/1) ... [2022-10-16 16:56:32,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16d24763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:56:32, skipping insertion in model container [2022-10-16 16:56:32,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:56:32" (1/1) ... [2022-10-16 16:56:32,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:56:32,187 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:56:32,503 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_szymanski.i[23606,23619] [2022-10-16 16:56:32,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:56:32,683 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:56:32,716 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_szymanski.i[23606,23619] [2022-10-16 16:56:32,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:56:32,832 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:56:32,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:56:32 WrapperNode [2022-10-16 16:56:32,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:56:32,834 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:56:32,835 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:56:32,835 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:56:32,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:56:32" (1/1) ... [2022-10-16 16:56:32,875 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:56:32" (1/1) ... [2022-10-16 16:56:33,008 INFO L138 Inliner]: procedures = 145, calls = 289, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 399 [2022-10-16 16:56:33,009 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:56:33,009 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:56:33,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:56:33,010 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:56:33,021 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:56:32" (1/1) ... [2022-10-16 16:56:33,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:56:32" (1/1) ... [2022-10-16 16:56:33,030 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:56:32" (1/1) ... [2022-10-16 16:56:33,030 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:56:32" (1/1) ... [2022-10-16 16:56:33,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:56:32" (1/1) ... [2022-10-16 16:56:33,063 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:56:32" (1/1) ... [2022-10-16 16:56:33,067 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:56:32" (1/1) ... [2022-10-16 16:56:33,070 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:56:32" (1/1) ... [2022-10-16 16:56:33,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:56:33,078 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:56:33,078 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:56:33,079 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:56:33,080 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:56:32" (1/1) ... [2022-10-16 16:56:33,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:56:33,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:56:33,128 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) [2022-10-16 16:56:33,136 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 [2022-10-16 16:56:33,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 16:56:33,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 16:56:33,196 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 16:56:33,196 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 16:56:33,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:56:33,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 16:56:33,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 16:56:33,197 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2022-10-16 16:56:33,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2022-10-16 16:56:33,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 16:56:33,197 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2022-10-16 16:56:33,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2022-10-16 16:56:33,197 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-10-16 16:56:33,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-10-16 16:56:33,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 16:56:33,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 16:56:33,198 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2022-10-16 16:56:33,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2022-10-16 16:56:33,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:56:33,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:56:33,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:56:33,455 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:56:33,462 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:56:36,408 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:56:36,417 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:56:36,418 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-16 16:56:36,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:56:36 BoogieIcfgContainer [2022-10-16 16:56:36,421 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:56:36,423 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:56:36,424 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:56:36,427 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:56:36,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:56:32" (1/3) ... [2022-10-16 16:56:36,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bd5dedf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:56:36, skipping insertion in model container [2022-10-16 16:56:36,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:56:32" (2/3) ... [2022-10-16 16:56:36,429 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bd5dedf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:56:36, skipping insertion in model container [2022-10-16 16:56:36,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:56:36" (3/3) ... [2022-10-16 16:56:36,431 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_szymanski.i [2022-10-16 16:56:36,453 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:56:36,453 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-10-16 16:56:36,519 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:56:36,528 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;@286dc481, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:56:36,528 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-10-16 16:56:36,535 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 79 states have (on average 1.3924050632911393) internal successors, (110), 87 states have internal predecessors, (110), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-10-16 16:56:36,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-16 16:56:36,546 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:56:36,547 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-10-16 16:56:36,548 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:56:36,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:56:36,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1097791156, now seen corresponding path program 1 times [2022-10-16 16:56:36,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:56:36,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712735465] [2022-10-16 16:56:36,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:56:36,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:56:36,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:56:37,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:56:37,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:56:37,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712735465] [2022-10-16 16:56:37,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712735465] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:56:37,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:56:37,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:56:37,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032595938] [2022-10-16 16:56:37,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:56:37,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:56:37,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:56:37,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:56:37,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:56:37,158 INFO L87 Difference]: Start difference. First operand has 125 states, 79 states have (on average 1.3924050632911393) internal successors, (110), 87 states have internal predecessors, (110), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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) [2022-10-16 16:56:37,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:56:37,281 INFO L93 Difference]: Finished difference Result 248 states and 384 transitions. [2022-10-16 16:56:37,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:56:37,284 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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 6 [2022-10-16 16:56:37,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:56:37,291 INFO L225 Difference]: With dead ends: 248 [2022-10-16 16:56:37,291 INFO L226 Difference]: Without dead ends: 18 [2022-10-16 16:56:37,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:56:37,304 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 3 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:56:37,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 481 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:56:37,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-10-16 16:56:37,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-10-16 16:56:37,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 17 states have internal predecessors, (19), 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) [2022-10-16 16:56:37,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2022-10-16 16:56:37,352 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 6 [2022-10-16 16:56:37,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:56:37,352 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2022-10-16 16:56:37,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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) [2022-10-16 16:56:37,354 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2022-10-16 16:56:37,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-16 16:56:37,354 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:56:37,355 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2022-10-16 16:56:37,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:56:37,355 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:56:37,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:56:37,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1856934584, now seen corresponding path program 1 times [2022-10-16 16:56:37,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:56:37,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510923417] [2022-10-16 16:56:37,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:56:37,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:56:37,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:56:37,648 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 16:56:37,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:56:37,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510923417] [2022-10-16 16:56:37,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510923417] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:56:37,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:56:37,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:56:37,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808296934] [2022-10-16 16:56:37,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:56:37,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:56:37,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:56:37,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:56:37,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:56:37,654 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) [2022-10-16 16:56:37,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:56:37,713 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2022-10-16 16:56:37,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:56:37,713 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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 10 [2022-10-16 16:56:37,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:56:37,716 INFO L225 Difference]: With dead ends: 18 [2022-10-16 16:56:37,716 INFO L226 Difference]: Without dead ends: 17 [2022-10-16 16:56:37,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:56:37,724 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 5 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:56:37,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 23 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:56:37,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-10-16 16:56:37,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-10-16 16:56:37,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 16 states have internal predecessors, (18), 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) [2022-10-16 16:56:37,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2022-10-16 16:56:37,741 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 10 [2022-10-16 16:56:37,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:56:37,742 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2022-10-16 16:56:37,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) [2022-10-16 16:56:37,742 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2022-10-16 16:56:37,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-16 16:56:37,744 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:56:37,745 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:56:37,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:56:37,746 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:56:37,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:56:37,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1856936250, now seen corresponding path program 1 times [2022-10-16 16:56:37,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:56:37,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168400903] [2022-10-16 16:56:37,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:56:37,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:56:37,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:56:38,013 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:56:38,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:56:38,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168400903] [2022-10-16 16:56:38,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168400903] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:56:38,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281502849] [2022-10-16 16:56:38,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:56:38,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:56:38,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:56:38,023 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:56:38,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 16:56:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:56:38,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 16:56:38,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:56:38,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:56:38,282 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 16:56:38,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:56:38,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281502849] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 16:56:38,321 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 16:56:38,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2022-10-16 16:56:38,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793603865] [2022-10-16 16:56:38,321 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 16:56:38,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 16:56:38,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:56:38,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 16:56:38,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:56:38,325 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 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) [2022-10-16 16:56:38,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:56:38,465 INFO L93 Difference]: Finished difference Result 38 states and 42 transitions. [2022-10-16 16:56:38,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:56:38,467 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 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 10 [2022-10-16 16:56:38,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:56:38,468 INFO L225 Difference]: With dead ends: 38 [2022-10-16 16:56:38,468 INFO L226 Difference]: Without dead ends: 23 [2022-10-16 16:56:38,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-10-16 16:56:38,474 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 14 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:56:38,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 47 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:56:38,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-10-16 16:56:38,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2022-10-16 16:56:38,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 19 states have (on average 1.263157894736842) internal successors, (24), 21 states have internal predecessors, (24), 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) [2022-10-16 16:56:38,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2022-10-16 16:56:38,482 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 10 [2022-10-16 16:56:38,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:56:38,485 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2022-10-16 16:56:38,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 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) [2022-10-16 16:56:38,485 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2022-10-16 16:56:38,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-16 16:56:38,487 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:56:38,487 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] [2022-10-16 16:56:38,533 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 16:56:38,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:56:38,704 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:56:38,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:56:38,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1730397124, now seen corresponding path program 1 times [2022-10-16 16:56:38,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:56:38,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686990006] [2022-10-16 16:56:38,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:56:38,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:56:38,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:56:38,938 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:56:38,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:56:38,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686990006] [2022-10-16 16:56:38,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686990006] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:56:38,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236552639] [2022-10-16 16:56:38,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:56:38,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:56:38,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:56:38,946 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:56:38,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 16:56:39,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:56:39,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 16:56:39,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:56:39,250 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:56:39,250 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:56:39,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [236552639] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:56:39,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:56:39,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2022-10-16 16:56:39,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766168553] [2022-10-16 16:56:39,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:56:39,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:56:39,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:56:39,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:56:39,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:56:39,262 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-10-16 16:56:39,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:56:39,310 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2022-10-16 16:56:39,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:56:39,313 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 11 [2022-10-16 16:56:39,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:56:39,315 INFO L225 Difference]: With dead ends: 23 [2022-10-16 16:56:39,315 INFO L226 Difference]: Without dead ends: 22 [2022-10-16 16:56:39,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:56:39,320 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 8 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:56:39,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 18 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:56:39,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-10-16 16:56:39,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2022-10-16 16:56:39,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 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) [2022-10-16 16:56:39,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2022-10-16 16:56:39,333 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 11 [2022-10-16 16:56:39,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:56:39,334 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2022-10-16 16:56:39,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-10-16 16:56:39,334 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2022-10-16 16:56:39,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-16 16:56:39,335 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:56:39,336 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2022-10-16 16:56:39,370 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-10-16 16:56:39,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-10-16 16:56:39,550 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:56:39,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:56:39,553 INFO L85 PathProgramCache]: Analyzing trace with hash 34739390, now seen corresponding path program 2 times [2022-10-16 16:56:39,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:56:39,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442219635] [2022-10-16 16:56:39,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:56:39,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:56:39,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:56:39,788 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 16:56:39,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:56:39,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442219635] [2022-10-16 16:56:39,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442219635] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:56:39,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:56:39,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:56:39,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024033111] [2022-10-16 16:56:39,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:56:39,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:56:39,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:56:39,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:56:39,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:56:39,792 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) [2022-10-16 16:56:39,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:56:39,853 INFO L93 Difference]: Finished difference Result 40 states and 42 transitions. [2022-10-16 16:56:39,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:56:39,854 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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 18 [2022-10-16 16:56:39,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:56:39,855 INFO L225 Difference]: With dead ends: 40 [2022-10-16 16:56:39,855 INFO L226 Difference]: Without dead ends: 38 [2022-10-16 16:56:39,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:56:39,857 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 3 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:56:39,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 21 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:56:39,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-10-16 16:56:39,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-10-16 16:56:39,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 36 states have (on average 1.1111111111111112) internal successors, (40), 37 states have internal predecessors, (40), 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) [2022-10-16 16:56:39,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 40 transitions. [2022-10-16 16:56:39,864 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 40 transitions. Word has length 18 [2022-10-16 16:56:39,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:56:39,865 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 40 transitions. [2022-10-16 16:56:39,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) [2022-10-16 16:56:39,865 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2022-10-16 16:56:39,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-16 16:56:39,867 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:56:39,867 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1] [2022-10-16 16:56:39,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:56:39,867 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:56:39,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:56:39,868 INFO L85 PathProgramCache]: Analyzing trace with hash -158534966, now seen corresponding path program 1 times [2022-10-16 16:56:39,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:56:39,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885961159] [2022-10-16 16:56:39,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:56:39,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:56:39,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:56:40,065 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-10-16 16:56:40,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:56:40,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885961159] [2022-10-16 16:56:40,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885961159] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:56:40,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:56:40,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:56:40,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326522976] [2022-10-16 16:56:40,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:56:40,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:56:40,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:56:40,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:56:40,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:56:40,068 INFO L87 Difference]: Start difference. First operand 38 states and 40 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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) [2022-10-16 16:56:40,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:56:40,112 INFO L93 Difference]: Finished difference Result 38 states and 40 transitions. [2022-10-16 16:56:40,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:56:40,113 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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 35 [2022-10-16 16:56:40,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:56:40,114 INFO L225 Difference]: With dead ends: 38 [2022-10-16 16:56:40,114 INFO L226 Difference]: Without dead ends: 37 [2022-10-16 16:56:40,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:56:40,115 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 5 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:56:40,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 12 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:56:40,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-10-16 16:56:40,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2022-10-16 16:56:40,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 36 states have (on average 1.0833333333333333) internal successors, (39), 36 states have internal predecessors, (39), 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) [2022-10-16 16:56:40,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2022-10-16 16:56:40,123 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 35 [2022-10-16 16:56:40,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:56:40,123 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2022-10-16 16:56:40,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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) [2022-10-16 16:56:40,124 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2022-10-16 16:56:40,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-16 16:56:40,125 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:56:40,125 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1] [2022-10-16 16:56:40,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:56:40,126 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:56:40,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:56:40,126 INFO L85 PathProgramCache]: Analyzing trace with hash -619616510, now seen corresponding path program 1 times [2022-10-16 16:56:40,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:56:40,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138848315] [2022-10-16 16:56:40,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:56:40,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:56:40,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:56:40,490 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-10-16 16:56:40,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:56:40,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138848315] [2022-10-16 16:56:40,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138848315] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:56:40,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [607569188] [2022-10-16 16:56:40,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:56:40,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:56:40,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:56:40,492 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:56:40,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 16:56:40,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:56:40,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 16:56:40,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:56:40,861 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-10-16 16:56:40,861 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:56:40,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [607569188] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:56:40,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:56:40,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-10-16 16:56:40,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462309216] [2022-10-16 16:56:40,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:56:40,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:56:40,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:56:40,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:56:40,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:56:40,864 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 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) [2022-10-16 16:56:40,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:56:40,958 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions. [2022-10-16 16:56:40,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:56:40,959 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 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 36 [2022-10-16 16:56:40,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:56:40,959 INFO L225 Difference]: With dead ends: 37 [2022-10-16 16:56:40,959 INFO L226 Difference]: Without dead ends: 0 [2022-10-16 16:56:40,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-10-16 16:56:40,961 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 4 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:56:40,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 25 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:56:40,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-16 16:56:40,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-16 16:56:40,962 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) [2022-10-16 16:56:40,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-16 16:56:40,963 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2022-10-16 16:56:40,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:56:40,963 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-16 16:56:40,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 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) [2022-10-16 16:56:40,963 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-16 16:56:40,964 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-16 16:56:40,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-10-16 16:56:40,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-10-16 16:56:40,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-10-16 16:56:40,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-10-16 16:56:40,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-10-16 16:56:40,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-10-16 16:56:40,969 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-10-16 16:56:40,969 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-10-16 16:56:41,006 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-10-16 16:56:41,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:56:41,185 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-10-16 16:56:41,306 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 5 7) the Hoare annotation is: true [2022-10-16 16:56:41,306 INFO L899 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2022-10-16 16:56:41,307 INFO L899 garLoopResultBuilder]: For program point L6-2(lines 5 7) no Hoare annotation was computed. [2022-10-16 16:56:41,307 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5 7) no Hoare annotation was computed. [2022-10-16 16:56:41,307 INFO L899 garLoopResultBuilder]: For program point __CS_pthread_joinEXIT(lines 642 663) no Hoare annotation was computed. [2022-10-16 16:56:41,307 INFO L902 garLoopResultBuilder]: At program point __CS_pthread_joinENTRY(lines 642 663) the Hoare annotation is: true [2022-10-16 16:56:41,307 INFO L899 garLoopResultBuilder]: For program point __CS_pthread_joinFINAL(lines 642 663) no Hoare annotation was computed. [2022-10-16 16:56:41,307 INFO L902 garLoopResultBuilder]: At program point L661(line 661) the Hoare annotation is: true [2022-10-16 16:56:41,307 INFO L899 garLoopResultBuilder]: For program point L661-1(line 661) no Hoare annotation was computed. [2022-10-16 16:56:41,308 INFO L899 garLoopResultBuilder]: For program point L655(lines 655 660) no Hoare annotation was computed. [2022-10-16 16:56:41,308 INFO L899 garLoopResultBuilder]: For program point L650(line 650) no Hoare annotation was computed. [2022-10-16 16:56:41,308 INFO L899 garLoopResultBuilder]: For program point L650-2(lines 650 654) no Hoare annotation was computed. [2022-10-16 16:56:41,308 INFO L899 garLoopResultBuilder]: For program point L644(lines 644 649) no Hoare annotation was computed. [2022-10-16 16:56:41,308 INFO L902 garLoopResultBuilder]: At program point L801(line 801) the Hoare annotation is: true [2022-10-16 16:56:41,308 INFO L899 garLoopResultBuilder]: For program point L801-1(lines 798 810) no Hoare annotation was computed. [2022-10-16 16:56:41,308 INFO L902 garLoopResultBuilder]: At program point L797(lines 797 810) the Hoare annotation is: true [2022-10-16 16:56:41,309 INFO L902 garLoopResultBuilder]: At program point L808(line 808) the Hoare annotation is: true [2022-10-16 16:56:41,309 INFO L899 garLoopResultBuilder]: For program point L808-1(line 808) no Hoare annotation was computed. [2022-10-16 16:56:41,309 INFO L902 garLoopResultBuilder]: At program point L806(line 806) the Hoare annotation is: true [2022-10-16 16:56:41,309 INFO L899 garLoopResultBuilder]: For program point L806-1(line 806) no Hoare annotation was computed. [2022-10-16 16:56:41,309 INFO L902 garLoopResultBuilder]: At program point L804(line 804) the Hoare annotation is: true [2022-10-16 16:56:41,309 INFO L899 garLoopResultBuilder]: For program point L804-1(line 804) no Hoare annotation was computed. [2022-10-16 16:56:41,309 INFO L902 garLoopResultBuilder]: At program point L802(line 802) the Hoare annotation is: true [2022-10-16 16:56:41,310 INFO L899 garLoopResultBuilder]: For program point L802-1(line 802) no Hoare annotation was computed. [2022-10-16 16:56:41,310 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~$Pointer$FINAL(line -1) no Hoare annotation was computed. [2022-10-16 16:56:41,310 INFO L902 garLoopResultBuilder]: At program point ##fun~$Pointer$~TO~$Pointer$ENTRY(line -1) the Hoare annotation is: true [2022-10-16 16:56:41,310 INFO L902 garLoopResultBuilder]: At program point L809(line 809) the Hoare annotation is: true [2022-10-16 16:56:41,310 INFO L899 garLoopResultBuilder]: For program point L809-1(lines 798 810) no Hoare annotation was computed. [2022-10-16 16:56:41,310 INFO L902 garLoopResultBuilder]: At program point L807(line 807) the Hoare annotation is: true [2022-10-16 16:56:41,310 INFO L899 garLoopResultBuilder]: For program point L807-1(lines 798 810) no Hoare annotation was computed. [2022-10-16 16:56:41,311 INFO L902 garLoopResultBuilder]: At program point L805(line 805) the Hoare annotation is: true [2022-10-16 16:56:41,311 INFO L899 garLoopResultBuilder]: For program point L805-1(lines 798 810) no Hoare annotation was computed. [2022-10-16 16:56:41,311 INFO L902 garLoopResultBuilder]: At program point L803(line 803) the Hoare annotation is: true [2022-10-16 16:56:41,311 INFO L899 garLoopResultBuilder]: For program point L803-1(lines 798 810) no Hoare annotation was computed. [2022-10-16 16:56:41,311 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~$Pointer$EXIT(line -1) no Hoare annotation was computed. [2022-10-16 16:56:41,311 INFO L899 garLoopResultBuilder]: For program point __CS_pthread_createFINAL(lines 664 677) no Hoare annotation was computed. [2022-10-16 16:56:41,311 INFO L899 garLoopResultBuilder]: For program point L666(lines 666 669) no Hoare annotation was computed. [2022-10-16 16:56:41,311 INFO L899 garLoopResultBuilder]: For program point __CS_pthread_createEXIT(lines 664 677) no Hoare annotation was computed. [2022-10-16 16:56:41,312 INFO L902 garLoopResultBuilder]: At program point __CS_pthread_createENTRY(lines 664 677) the Hoare annotation is: true [2022-10-16 16:56:41,312 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 819) no Hoare annotation was computed. [2022-10-16 16:56:41,312 INFO L902 garLoopResultBuilder]: At program point L861(line 861) the Hoare annotation is: true [2022-10-16 16:56:41,312 INFO L899 garLoopResultBuilder]: For program point L861-1(line 861) no Hoare annotation was computed. [2022-10-16 16:56:41,312 INFO L902 garLoopResultBuilder]: At program point L886(line 886) the Hoare annotation is: true [2022-10-16 16:56:41,312 INFO L899 garLoopResultBuilder]: For program point L886-1(line 886) no Hoare annotation was computed. [2022-10-16 16:56:41,313 INFO L902 garLoopResultBuilder]: At program point L878(line 878) the Hoare annotation is: true [2022-10-16 16:56:41,313 INFO L899 garLoopResultBuilder]: For program point L878-1(line 878) no Hoare annotation was computed. [2022-10-16 16:56:41,313 INFO L902 garLoopResultBuilder]: At program point L870(line 870) the Hoare annotation is: true [2022-10-16 16:56:41,313 INFO L899 garLoopResultBuilder]: For program point L870-1(line 870) no Hoare annotation was computed. [2022-10-16 16:56:41,313 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 823) no Hoare annotation was computed. [2022-10-16 16:56:41,313 INFO L899 garLoopResultBuilder]: For program point L862(line 862) no Hoare annotation was computed. [2022-10-16 16:56:41,314 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-10-16 16:56:41,314 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-10-16 16:56:41,314 INFO L902 garLoopResultBuilder]: At program point L887(line 887) the Hoare annotation is: true [2022-10-16 16:56:41,314 INFO L899 garLoopResultBuilder]: For program point L887-1(line 887) no Hoare annotation was computed. [2022-10-16 16:56:41,314 INFO L902 garLoopResultBuilder]: At program point L879(line 879) the Hoare annotation is: true [2022-10-16 16:56:41,314 INFO L899 garLoopResultBuilder]: For program point L879-1(line 879) no Hoare annotation was computed. [2022-10-16 16:56:41,314 INFO L902 garLoopResultBuilder]: At program point L871(line 871) the Hoare annotation is: true [2022-10-16 16:56:41,314 INFO L899 garLoopResultBuilder]: For program point L871-1(line 871) no Hoare annotation was computed. [2022-10-16 16:56:41,315 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 823) no Hoare annotation was computed. [2022-10-16 16:56:41,315 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 543) no Hoare annotation was computed. [2022-10-16 16:56:41,315 INFO L902 garLoopResultBuilder]: At program point L541-2(lines 540 545) the Hoare annotation is: true [2022-10-16 16:56:41,315 INFO L902 garLoopResultBuilder]: At program point L855(line 855) the Hoare annotation is: true [2022-10-16 16:56:41,315 INFO L899 garLoopResultBuilder]: For program point L855-1(line 855) no Hoare annotation was computed. [2022-10-16 16:56:41,315 INFO L902 garLoopResultBuilder]: At program point L880(line 880) the Hoare annotation is: true [2022-10-16 16:56:41,316 INFO L899 garLoopResultBuilder]: For program point L880-1(line 880) no Hoare annotation was computed. [2022-10-16 16:56:41,316 INFO L902 garLoopResultBuilder]: At program point L872(line 872) the Hoare annotation is: true [2022-10-16 16:56:41,316 INFO L899 garLoopResultBuilder]: For program point L872-1(line 872) no Hoare annotation was computed. [2022-10-16 16:56:41,316 INFO L899 garLoopResultBuilder]: For program point L864(lines 864 869) no Hoare annotation was computed. [2022-10-16 16:56:41,316 INFO L899 garLoopResultBuilder]: For program point L864-1(lines 864 869) no Hoare annotation was computed. [2022-10-16 16:56:41,316 INFO L899 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2022-10-16 16:56:41,316 INFO L899 garLoopResultBuilder]: For program point L856(line 856) no Hoare annotation was computed. [2022-10-16 16:56:41,316 INFO L899 garLoopResultBuilder]: For program point L823-2(lines 823 826) no Hoare annotation was computed. [2022-10-16 16:56:41,317 INFO L899 garLoopResultBuilder]: For program point L823-3(line 823) no Hoare annotation was computed. [2022-10-16 16:56:41,317 INFO L899 garLoopResultBuilder]: For program point L823-4(line 823) no Hoare annotation was computed. [2022-10-16 16:56:41,317 INFO L895 garLoopResultBuilder]: At program point L823-5(lines 823 826) the Hoare annotation is: (let ((.cse0 (<= 0 (+ |ULTIMATE.start_main_~j~2#1| 2147483648)))) (or (and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 2) .cse0) (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse0))) [2022-10-16 16:56:41,317 INFO L902 garLoopResultBuilder]: At program point L881(line 881) the Hoare annotation is: true [2022-10-16 16:56:41,317 INFO L899 garLoopResultBuilder]: For program point L881-1(line 881) no Hoare annotation was computed. [2022-10-16 16:56:41,318 INFO L902 garLoopResultBuilder]: At program point L873(line 873) the Hoare annotation is: true [2022-10-16 16:56:41,318 INFO L899 garLoopResultBuilder]: For program point L873-1(line 873) no Hoare annotation was computed. [2022-10-16 16:56:41,318 INFO L902 garLoopResultBuilder]: At program point L882(line 882) the Hoare annotation is: true [2022-10-16 16:56:41,318 INFO L899 garLoopResultBuilder]: For program point L882-1(line 882) no Hoare annotation was computed. [2022-10-16 16:56:41,318 INFO L902 garLoopResultBuilder]: At program point L874(line 874) the Hoare annotation is: true [2022-10-16 16:56:41,318 INFO L899 garLoopResultBuilder]: For program point L874-1(line 874) no Hoare annotation was computed. [2022-10-16 16:56:41,318 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-10-16 16:56:41,318 INFO L899 garLoopResultBuilder]: For program point L858(lines 858 863) no Hoare annotation was computed. [2022-10-16 16:56:41,319 INFO L899 garLoopResultBuilder]: For program point L858-1(lines 858 863) no Hoare annotation was computed. [2022-10-16 16:56:41,319 INFO L902 garLoopResultBuilder]: At program point L883(line 883) the Hoare annotation is: true [2022-10-16 16:56:41,319 INFO L899 garLoopResultBuilder]: For program point L883-1(line 883) no Hoare annotation was computed. [2022-10-16 16:56:41,319 INFO L902 garLoopResultBuilder]: At program point L875(line 875) the Hoare annotation is: true [2022-10-16 16:56:41,319 INFO L899 garLoopResultBuilder]: For program point L875-1(line 875) no Hoare annotation was computed. [2022-10-16 16:56:41,319 INFO L902 garLoopResultBuilder]: At program point L867(line 867) the Hoare annotation is: true [2022-10-16 16:56:41,319 INFO L899 garLoopResultBuilder]: For program point L867-1(line 867) no Hoare annotation was computed. [2022-10-16 16:56:41,320 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-10-16 16:56:41,320 INFO L902 garLoopResultBuilder]: At program point L884(line 884) the Hoare annotation is: true [2022-10-16 16:56:41,320 INFO L899 garLoopResultBuilder]: For program point L884-1(line 884) no Hoare annotation was computed. [2022-10-16 16:56:41,320 INFO L902 garLoopResultBuilder]: At program point L876(line 876) the Hoare annotation is: true [2022-10-16 16:56:41,320 INFO L899 garLoopResultBuilder]: For program point L876-1(line 876) no Hoare annotation was computed. [2022-10-16 16:56:41,320 INFO L899 garLoopResultBuilder]: For program point L868(line 868) no Hoare annotation was computed. [2022-10-16 16:56:41,320 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 819) no Hoare annotation was computed. [2022-10-16 16:56:41,321 INFO L902 garLoopResultBuilder]: At program point L885(line 885) the Hoare annotation is: true [2022-10-16 16:56:41,321 INFO L899 garLoopResultBuilder]: For program point L852(lines 852 857) no Hoare annotation was computed. [2022-10-16 16:56:41,321 INFO L899 garLoopResultBuilder]: For program point L885-1(line 885) no Hoare annotation was computed. [2022-10-16 16:56:41,321 INFO L899 garLoopResultBuilder]: For program point L852-1(lines 852 857) no Hoare annotation was computed. [2022-10-16 16:56:41,321 INFO L899 garLoopResultBuilder]: For program point L819-2(lines 819 827) no Hoare annotation was computed. [2022-10-16 16:56:41,321 INFO L899 garLoopResultBuilder]: For program point L819-3(line 819) no Hoare annotation was computed. [2022-10-16 16:56:41,322 INFO L899 garLoopResultBuilder]: For program point L819-4(line 819) no Hoare annotation was computed. [2022-10-16 16:56:41,322 INFO L895 garLoopResultBuilder]: At program point L819-5(lines 819 827) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 |ULTIMATE.start_main_~i~0#1|)) [2022-10-16 16:56:41,322 INFO L899 garLoopResultBuilder]: For program point L819-6(lines 819 827) no Hoare annotation was computed. [2022-10-16 16:56:41,322 INFO L902 garLoopResultBuilder]: At program point L877(line 877) the Hoare annotation is: true [2022-10-16 16:56:41,322 INFO L899 garLoopResultBuilder]: For program point L877-1(line 877) no Hoare annotation was computed. [2022-10-16 16:56:41,322 INFO L899 garLoopResultBuilder]: For program point L811(lines 811 889) no Hoare annotation was computed. [2022-10-16 16:56:41,322 INFO L899 garLoopResultBuilder]: For program point L567(line 567) no Hoare annotation was computed. [2022-10-16 16:56:41,322 INFO L899 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2022-10-16 16:56:41,323 INFO L899 garLoopResultBuilder]: For program point L565(line 565) no Hoare annotation was computed. [2022-10-16 16:56:41,323 INFO L899 garLoopResultBuilder]: For program point L567-2(line 567) no Hoare annotation was computed. [2022-10-16 16:56:41,323 INFO L899 garLoopResultBuilder]: For program point L565-1(line 565) no Hoare annotation was computed. [2022-10-16 16:56:41,323 INFO L902 garLoopResultBuilder]: At program point L565-2(line 565) the Hoare annotation is: true [2022-10-16 16:56:41,323 INFO L899 garLoopResultBuilder]: For program point L565-3(line 565) no Hoare annotation was computed. [2022-10-16 16:56:41,323 INFO L899 garLoopResultBuilder]: For program point __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 565) no Hoare annotation was computed. [2022-10-16 16:56:41,323 INFO L899 garLoopResultBuilder]: For program point __CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 565) no Hoare annotation was computed. [2022-10-16 16:56:41,324 INFO L899 garLoopResultBuilder]: For program point __CS_csEXIT(lines 562 568) no Hoare annotation was computed. [2022-10-16 16:56:41,324 INFO L899 garLoopResultBuilder]: For program point __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 566) no Hoare annotation was computed. [2022-10-16 16:56:41,324 INFO L899 garLoopResultBuilder]: For program point __CS_csErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 566) no Hoare annotation was computed. [2022-10-16 16:56:41,324 INFO L902 garLoopResultBuilder]: At program point __CS_csENTRY(lines 562 568) the Hoare annotation is: true [2022-10-16 16:56:41,324 INFO L899 garLoopResultBuilder]: For program point __CS_csFINAL(lines 562 568) no Hoare annotation was computed. [2022-10-16 16:56:41,328 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2022-10-16 16:56:41,331 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-16 16:56:41,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 04:56:41 BoogieIcfgContainer [2022-10-16 16:56:41,346 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 16:56:41,346 INFO L158 Benchmark]: Toolchain (without parser) took 9270.45ms. Allocated memory was 157.3MB in the beginning and 203.4MB in the end (delta: 46.1MB). Free memory was 130.3MB in the beginning and 118.0MB in the end (delta: 12.3MB). Peak memory consumption was 58.7MB. Max. memory is 8.0GB. [2022-10-16 16:56:41,346 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 157.3MB. Free memory is still 128.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 16:56:41,347 INFO L158 Benchmark]: CACSL2BoogieTranslator took 749.79ms. Allocated memory is still 157.3MB. Free memory was 130.0MB in the beginning and 104.2MB in the end (delta: 25.8MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2022-10-16 16:56:41,347 INFO L158 Benchmark]: Boogie Procedure Inliner took 174.36ms. Allocated memory is still 157.3MB. Free memory was 104.2MB in the beginning and 136.0MB in the end (delta: -31.8MB). Peak memory consumption was 5.5MB. Max. memory is 8.0GB. [2022-10-16 16:56:41,347 INFO L158 Benchmark]: Boogie Preprocessor took 68.01ms. Allocated memory is still 157.3MB. Free memory was 136.0MB in the beginning and 132.4MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-10-16 16:56:41,348 INFO L158 Benchmark]: RCFGBuilder took 3342.70ms. Allocated memory was 157.3MB in the beginning and 203.4MB in the end (delta: 46.1MB). Free memory was 132.4MB in the beginning and 151.4MB in the end (delta: -19.0MB). Peak memory consumption was 77.4MB. Max. memory is 8.0GB. [2022-10-16 16:56:41,348 INFO L158 Benchmark]: TraceAbstraction took 4922.21ms. Allocated memory is still 203.4MB. Free memory was 150.9MB in the beginning and 118.0MB in the end (delta: 32.9MB). Peak memory consumption was 32.3MB. Max. memory is 8.0GB. [2022-10-16 16:56:41,350 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 157.3MB. Free memory is still 128.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 749.79ms. Allocated memory is still 157.3MB. Free memory was 130.0MB in the beginning and 104.2MB in the end (delta: 25.8MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 174.36ms. Allocated memory is still 157.3MB. Free memory was 104.2MB in the beginning and 136.0MB in the end (delta: -31.8MB). Peak memory consumption was 5.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 68.01ms. Allocated memory is still 157.3MB. Free memory was 136.0MB in the beginning and 132.4MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 3342.70ms. Allocated memory was 157.3MB in the beginning and 203.4MB in the end (delta: 46.1MB). Free memory was 132.4MB in the beginning and 151.4MB in the end (delta: -19.0MB). Peak memory consumption was 77.4MB. Max. memory is 8.0GB. * TraceAbstraction took 4922.21ms. Allocated memory is still 203.4MB. Free memory was 150.9MB in the beginning and 118.0MB in the end (delta: 32.9MB). Peak memory consumption was 32.3MB. 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: 823]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 823]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 819]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 819]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 565]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 565]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 125 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 7, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 42 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 42 mSDsluCounter, 627 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 414 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 128 IncrementalHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 213 mSDtfsCounter, 128 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 103 GetRequests, 64 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred in iteration=0, InterpolantAutomatonStates: 35, 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, 7 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 162 PreInvPairs, 221 NumberOfFragments, 68 HoareAnnotationTreeSize, 162 FomulaSimplifications, 47 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 41 FomulaSimplificationsInter, 71 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 183 NumberOfCodeBlocks, 183 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 182 ConstructedInterpolants, 0 QuantifiedInterpolants, 452 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1401 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 11 InterpolantComputations, 6 PerfectInterpolantSequences, 205/259 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 8 specifications checked. All of them hold - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: ((1 <= i && i <= 2) && 0 <= j + 2147483648) || (i == 0 && 0 <= j + 2147483648) - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: i == 0 || 1 <= i - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-10-16 16:56:41,399 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...