/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/pthread-wmm/mix013.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:22:21,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 10:22:21,125 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 10:22:21,159 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 10:22:21,160 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 10:22:21,160 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 10:22:21,162 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 10:22:21,163 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 10:22:21,165 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 10:22:21,166 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 10:22:21,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 10:22:21,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 10:22:21,168 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:22:21,169 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:22:21,170 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:22:21,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:22:21,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:22:21,186 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:22:21,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:22:21,193 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:22:21,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:22:21,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:22:21,203 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:22:21,203 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:22:21,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-16 10:22:21,207 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-16 10:22:21,207 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-16 10:22:21,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-16 10:22:21,208 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-16 10:22:21,209 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-16 10:22:21,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-16 10:22:21,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-16 10:22:21,210 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-16 10:22:21,211 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-16 10:22:21,220 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-16 10:22:21,220 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-16 10:22:21,221 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-16 10:22:21,221 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-16 10:22:21,221 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:22:21,222 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:22:21,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:22:21,224 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-09-16 10:22:21,252 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:22:21,252 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:22:21,253 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:22:21,253 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:22:21,253 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:22:21,254 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:22:21,254 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:22:21,254 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:22:21,254 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:22:21,254 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:22:21,255 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:22:21,255 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:22:21,255 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:22:21,255 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:22:21,255 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:22:21,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:22:21,255 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:22:21,255 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:22:21,256 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:22:21,256 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:22:21,256 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:22:21,256 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:22:21,256 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:22:21,256 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:22:21,256 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:22:21,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:22:21,257 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:22:21,257 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:22:21,257 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:22:21,257 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:22:21,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:22:21,257 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:22:21,257 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:22:21,257 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:22:21,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:22:21,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:22:21,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:22:21,486 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:22:21,490 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:22:21,491 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix013.opt.i [2022-09-16 10:22:21,545 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fdc4ad4e/784e41053786479aae6d74aefaf06542/FLAGeab7ad677 [2022-09-16 10:22:21,985 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:22:21,986 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix013.opt.i [2022-09-16 10:22:22,011 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fdc4ad4e/784e41053786479aae6d74aefaf06542/FLAGeab7ad677 [2022-09-16 10:22:22,032 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fdc4ad4e/784e41053786479aae6d74aefaf06542 [2022-09-16 10:22:22,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:22:22,035 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:22:22,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:22:22,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:22:22,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:22:22,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:22:22" (1/1) ... [2022-09-16 10:22:22,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5057762b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:22:22, skipping insertion in model container [2022-09-16 10:22:22,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:22:22" (1/1) ... [2022-09-16 10:22:22,049 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:22:22,094 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:22:22,262 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix013.opt.i[944,957] [2022-09-16 10:22:22,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:22:22,493 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:22:22,505 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix013.opt.i[944,957] [2022-09-16 10:22:22,549 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:22:22,583 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:22:22,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:22:22 WrapperNode [2022-09-16 10:22:22,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:22:22,584 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:22:22,584 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:22:22,584 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:22:22,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:22:22" (1/1) ... [2022-09-16 10:22:22,621 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:22:22" (1/1) ... [2022-09-16 10:22:22,673 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 299 [2022-09-16 10:22:22,674 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:22:22,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:22:22,675 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:22:22,675 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:22:22,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:22:22" (1/1) ... [2022-09-16 10:22:22,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:22:22" (1/1) ... [2022-09-16 10:22:22,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:22:22" (1/1) ... [2022-09-16 10:22:22,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:22:22" (1/1) ... [2022-09-16 10:22:22,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:22:22" (1/1) ... [2022-09-16 10:22:22,727 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:22:22" (1/1) ... [2022-09-16 10:22:22,736 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:22:22" (1/1) ... [2022-09-16 10:22:22,740 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:22:22,741 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:22:22,741 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:22:22,742 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:22:22,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:22:22" (1/1) ... [2022-09-16 10:22:22,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:22:22,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:22:22,781 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-09-16 10:22:22,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-09-16 10:22:22,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:22:22,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 10:22:22,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:22:22,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:22:22,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:22:22,821 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 10:22:22,821 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 10:22:22,821 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 10:22:22,821 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 10:22:22,821 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-09-16 10:22:22,821 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-09-16 10:22:22,821 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-09-16 10:22:22,822 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-09-16 10:22:22,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:22:22,822 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 10:22:22,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:22:22,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:22:22,824 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-16 10:22:22,999 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:22:23,001 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:22:23,565 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:22:24,126 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:22:24,127 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:22:24,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:22:24 BoogieIcfgContainer [2022-09-16 10:22:24,129 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:22:24,131 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:22:24,132 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:22:24,135 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:22:24,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:22:22" (1/3) ... [2022-09-16 10:22:24,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d12947 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:22:24, skipping insertion in model container [2022-09-16 10:22:24,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:22:22" (2/3) ... [2022-09-16 10:22:24,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d12947 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:22:24, skipping insertion in model container [2022-09-16 10:22:24,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:22:24" (3/3) ... [2022-09-16 10:22:24,138 INFO L112 eAbstractionObserver]: Analyzing ICFG mix013.opt.i [2022-09-16 10:22:24,150 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:22:24,159 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:22:24,160 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-09-16 10:22:24,160 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:22:24,247 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 10:22:24,292 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 155 places, 144 transitions, 308 flow [2022-09-16 10:22:33,001 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 297770 states, 297690 states have (on average 4.5917565252443815) internal successors, (1366920), 297769 states have internal predecessors, (1366920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:22:33,043 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:22:33,048 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;@147e4d71, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:22:33,048 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-09-16 10:22:33,570 INFO L276 IsEmpty]: Start isEmpty. Operand has 297770 states, 297690 states have (on average 4.5917565252443815) internal successors, (1366920), 297769 states have internal predecessors, (1366920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:22:33,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:22:33,577 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:22:33,578 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:22:33,579 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:22:33,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:22:33,584 INFO L85 PathProgramCache]: Analyzing trace with hash 32382820, now seen corresponding path program 1 times [2022-09-16 10:22:33,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:22:33,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85856389] [2022-09-16 10:22:33,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:22:33,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:22:33,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:22:33,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:22:33,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:22:33,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85856389] [2022-09-16 10:22:33,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85856389] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:22:33,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:22:33,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 10:22:33,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154779956] [2022-09-16 10:22:33,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:22:33,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 10:22:33,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:22:33,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 10:22:33,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:22:34,642 INFO L87 Difference]: Start difference. First operand has 297770 states, 297690 states have (on average 4.5917565252443815) internal successors, (1366920), 297769 states have internal predecessors, (1366920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:22:40,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:22:40,148 INFO L93 Difference]: Finished difference Result 238417 states and 1059268 transitions. [2022-09-16 10:22:40,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 10:22:40,170 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 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 54 [2022-09-16 10:22:40,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:22:44,137 INFO L225 Difference]: With dead ends: 238417 [2022-09-16 10:22:44,137 INFO L226 Difference]: Without dead ends: 238417 [2022-09-16 10:22:44,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:22:44,153 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 64 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:22:44,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 193 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:22:44,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238417 states. [2022-09-16 10:22:56,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238417 to 238417. [2022-09-16 10:22:57,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238417 states, 238225 states have (on average 4.446502256270333) internal successors, (1059268), 238416 states have internal predecessors, (1059268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:23:00,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238417 states to 238417 states and 1059268 transitions. [2022-09-16 10:23:00,154 INFO L78 Accepts]: Start accepts. Automaton has 238417 states and 1059268 transitions. Word has length 54 [2022-09-16 10:23:00,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:23:00,155 INFO L495 AbstractCegarLoop]: Abstraction has 238417 states and 1059268 transitions. [2022-09-16 10:23:00,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:23:00,155 INFO L276 IsEmpty]: Start isEmpty. Operand 238417 states and 1059268 transitions. [2022-09-16 10:23:00,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-09-16 10:23:00,159 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:23:00,159 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:23:00,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:23:00,160 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:23:00,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:23:00,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1392004153, now seen corresponding path program 1 times [2022-09-16 10:23:00,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:23:00,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558887247] [2022-09-16 10:23:00,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:23:00,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:23:00,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:23:00,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:23:00,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:23:00,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558887247] [2022-09-16 10:23:00,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558887247] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:23:00,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:23:00,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:23:00,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622982477] [2022-09-16 10:23:00,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:23:00,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:23:00,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:23:00,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:23:00,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:23:00,241 INFO L87 Difference]: Start difference. First operand 238417 states and 1059268 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:23:03,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:23:03,851 INFO L93 Difference]: Finished difference Result 218053 states and 928944 transitions. [2022-09-16 10:23:03,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:23:03,852 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 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 66 [2022-09-16 10:23:03,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:23:06,245 INFO L225 Difference]: With dead ends: 218053 [2022-09-16 10:23:06,245 INFO L226 Difference]: Without dead ends: 218053 [2022-09-16 10:23:06,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:23:06,250 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 229 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:23:06,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 253 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:23:07,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218053 states. [2022-09-16 10:23:19,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218053 to 209413. [2022-09-16 10:23:20,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209413 states, 209305 states have (on average 4.3321946441795465) internal successors, (906750), 209412 states have internal predecessors, (906750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:23:23,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209413 states to 209413 states and 906750 transitions. [2022-09-16 10:23:23,184 INFO L78 Accepts]: Start accepts. Automaton has 209413 states and 906750 transitions. Word has length 66 [2022-09-16 10:23:23,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:23:23,185 INFO L495 AbstractCegarLoop]: Abstraction has 209413 states and 906750 transitions. [2022-09-16 10:23:23,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:23:23,186 INFO L276 IsEmpty]: Start isEmpty. Operand 209413 states and 906750 transitions. [2022-09-16 10:23:23,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-09-16 10:23:23,190 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:23:23,190 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:23:23,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:23:23,191 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:23:23,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:23:23,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1392004152, now seen corresponding path program 1 times [2022-09-16 10:23:23,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:23:23,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466753329] [2022-09-16 10:23:23,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:23:23,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:23:23,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:23:23,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:23:23,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:23:23,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466753329] [2022-09-16 10:23:23,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466753329] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:23:23,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:23:23,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:23:23,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627592951] [2022-09-16 10:23:23,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:23:23,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:23:23,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:23:23,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:23:23,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:23:23,280 INFO L87 Difference]: Start difference. First operand 209413 states and 906750 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:23:25,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:23:25,646 INFO L93 Difference]: Finished difference Result 135328 states and 592625 transitions. [2022-09-16 10:23:25,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:23:25,647 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 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 66 [2022-09-16 10:23:25,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:23:28,393 INFO L225 Difference]: With dead ends: 135328 [2022-09-16 10:23:28,394 INFO L226 Difference]: Without dead ends: 135328 [2022-09-16 10:23:28,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:23:28,395 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 132 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:23:28,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 353 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:23:28,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135328 states. [2022-09-16 10:23:35,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135328 to 135328. [2022-09-16 10:23:36,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135328 states, 135298 states have (on average 4.380146047982971) internal successors, (592625), 135327 states have internal predecessors, (592625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:23:37,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135328 states to 135328 states and 592625 transitions. [2022-09-16 10:23:37,196 INFO L78 Accepts]: Start accepts. Automaton has 135328 states and 592625 transitions. Word has length 66 [2022-09-16 10:23:37,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:23:37,196 INFO L495 AbstractCegarLoop]: Abstraction has 135328 states and 592625 transitions. [2022-09-16 10:23:37,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:23:37,197 INFO L276 IsEmpty]: Start isEmpty. Operand 135328 states and 592625 transitions. [2022-09-16 10:23:37,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-09-16 10:23:37,207 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:23:37,208 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:23:37,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:23:37,208 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:23:37,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:23:37,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1385115262, now seen corresponding path program 1 times [2022-09-16 10:23:37,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:23:37,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100008028] [2022-09-16 10:23:37,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:23:37,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:23:37,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:23:37,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:23:37,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:23:37,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100008028] [2022-09-16 10:23:37,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100008028] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:23:37,327 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:23:37,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 10:23:37,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614167785] [2022-09-16 10:23:37,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:23:37,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 10:23:37,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:23:37,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 10:23:37,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:23:37,329 INFO L87 Difference]: Start difference. First operand 135328 states and 592625 transitions. Second operand has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:23:39,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:23:39,194 INFO L93 Difference]: Finished difference Result 116995 states and 513938 transitions. [2022-09-16 10:23:39,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 10:23:39,195 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 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 77 [2022-09-16 10:23:39,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:23:40,003 INFO L225 Difference]: With dead ends: 116995 [2022-09-16 10:23:40,003 INFO L226 Difference]: Without dead ends: 116995 [2022-09-16 10:23:40,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:23:40,005 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 245 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:23:40,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 323 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:23:40,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116995 states. [2022-09-16 10:23:45,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116995 to 116995. [2022-09-16 10:23:46,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116995 states, 116983 states have (on average 4.3932708171272745) internal successors, (513938), 116994 states have internal predecessors, (513938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:23:47,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116995 states to 116995 states and 513938 transitions. [2022-09-16 10:23:47,659 INFO L78 Accepts]: Start accepts. Automaton has 116995 states and 513938 transitions. Word has length 77 [2022-09-16 10:23:47,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:23:47,659 INFO L495 AbstractCegarLoop]: Abstraction has 116995 states and 513938 transitions. [2022-09-16 10:23:47,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:23:47,660 INFO L276 IsEmpty]: Start isEmpty. Operand 116995 states and 513938 transitions. [2022-09-16 10:23:48,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-09-16 10:23:48,303 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:23:48,304 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:23:48,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 10:23:48,304 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:23:48,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:23:48,305 INFO L85 PathProgramCache]: Analyzing trace with hash -938547610, now seen corresponding path program 1 times [2022-09-16 10:23:48,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:23:48,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27820643] [2022-09-16 10:23:48,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:23:48,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:23:48,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:23:48,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:23:48,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:23:48,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27820643] [2022-09-16 10:23:48,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27820643] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:23:48,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:23:48,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-09-16 10:23:48,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972537308] [2022-09-16 10:23:48,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:23:48,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-09-16 10:23:48,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:23:48,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-09-16 10:23:48,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-09-16 10:23:48,645 INFO L87 Difference]: Start difference. First operand 116995 states and 513938 transitions. Second operand has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:23:50,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:23:50,458 INFO L93 Difference]: Finished difference Result 113539 states and 500222 transitions. [2022-09-16 10:23:50,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-09-16 10:23:50,459 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 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 90 [2022-09-16 10:23:50,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:23:50,459 INFO L225 Difference]: With dead ends: 113539 [2022-09-16 10:23:50,459 INFO L226 Difference]: Without dead ends: 0 [2022-09-16 10:23:50,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-09-16 10:23:50,460 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 353 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:23:50,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 319 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:23:50,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-09-16 10:23:50,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-09-16 10:23:50,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:23:50,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-09-16 10:23:50,462 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 90 [2022-09-16 10:23:50,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:23:50,462 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-16 10:23:50,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:23:50,462 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-09-16 10:23:50,462 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-09-16 10:23:50,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2022-09-16 10:23:50,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2022-09-16 10:23:50,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2022-09-16 10:23:50,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2022-09-16 10:23:50,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2022-09-16 10:23:50,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2022-09-16 10:23:50,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2022-09-16 10:23:50,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2022-09-16 10:23:50,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2022-09-16 10:23:50,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2022-09-16 10:23:50,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2022-09-16 10:23:50,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2022-09-16 10:23:50,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2022-09-16 10:23:50,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2022-09-16 10:23:50,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2022-09-16 10:23:50,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2022-09-16 10:23:50,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2022-09-16 10:23:50,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2022-09-16 10:23:50,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2022-09-16 10:23:50,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2022-09-16 10:23:50,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-09-16 10:23:50,471 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-09-16 10:23:50,475 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 10:23:50,475 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 10:23:50,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 10:23:50 BasicIcfg [2022-09-16 10:23:50,480 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 10:23:50,480 INFO L158 Benchmark]: Toolchain (without parser) took 88445.45ms. Allocated memory was 167.8MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 142.9MB in the beginning and 4.6GB in the end (delta: -4.5GB). Peak memory consumption was 3.3GB. Max. memory is 8.0GB. [2022-09-16 10:23:50,481 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 167.8MB. Free memory was 126.8MB in the beginning and 126.7MB in the end (delta: 136.3kB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:23:50,481 INFO L158 Benchmark]: CACSL2BoogieTranslator took 547.45ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 142.5MB in the beginning and 161.2MB in the end (delta: -18.7MB). Peak memory consumption was 19.2MB. Max. memory is 8.0GB. [2022-09-16 10:23:50,481 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.67ms. Allocated memory is still 201.3MB. Free memory was 161.2MB in the beginning and 158.1MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 10:23:50,482 INFO L158 Benchmark]: Boogie Preprocessor took 66.21ms. Allocated memory is still 201.3MB. Free memory was 158.1MB in the beginning and 155.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 10:23:50,482 INFO L158 Benchmark]: RCFGBuilder took 1387.87ms. Allocated memory is still 201.3MB. Free memory was 155.5MB in the beginning and 103.1MB in the end (delta: 52.4MB). Peak memory consumption was 75.3MB. Max. memory is 8.0GB. [2022-09-16 10:23:50,482 INFO L158 Benchmark]: TraceAbstraction took 86348.61ms. Allocated memory was 201.3MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 102.6MB in the beginning and 4.6GB in the end (delta: -4.5GB). Peak memory consumption was 3.2GB. Max. memory is 8.0GB. [2022-09-16 10:23:50,484 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 167.8MB. Free memory was 126.8MB in the beginning and 126.7MB in the end (delta: 136.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 547.45ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 142.5MB in the beginning and 161.2MB in the end (delta: -18.7MB). Peak memory consumption was 19.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 89.67ms. Allocated memory is still 201.3MB. Free memory was 161.2MB in the beginning and 158.1MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 66.21ms. Allocated memory is still 201.3MB. Free memory was 158.1MB in the beginning and 155.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1387.87ms. Allocated memory is still 201.3MB. Free memory was 155.5MB in the beginning and 103.1MB in the end (delta: 52.4MB). Peak memory consumption was 75.3MB. Max. memory is 8.0GB. * TraceAbstraction took 86348.61ms. Allocated memory was 201.3MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 102.6MB in the beginning and 4.6GB in the end (delta: -4.5GB). Peak memory consumption was 3.2GB. 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: 764]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 764]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 782]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 782]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 810]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 810]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 856]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 856]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 186 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 86.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.2s, AutomataDifference: 25.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1023 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1023 mSDsluCounter, 1441 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 878 mSDsCounter, 54 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 265 IncrementalHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 54 mSolverCounterUnsat, 645 mSDtfsCounter, 265 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=297770occurred in iteration=0, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 49.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 8640 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 353 NumberOfCodeBlocks, 353 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 348 ConstructedInterpolants, 0 QuantifiedInterpolants, 964 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-09-16 10:23:50,517 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...