/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/safe009_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:33:58,518 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 10:33:58,520 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 10:33:58,557 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 10:33:58,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 10:33:58,560 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 10:33:58,563 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 10:33:58,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 10:33:58,566 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 10:33:58,570 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 10:33:58,571 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 10:33:58,572 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 10:33:58,572 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:33:58,573 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:33:58,574 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:33:58,577 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:33:58,578 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:33:58,578 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:33:58,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:33:58,584 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:33:58,585 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:33:58,586 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:33:58,588 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:33:58,588 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:33:58,593 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-16 10:33:58,594 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-16 10:33:58,594 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-16 10:33:58,595 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-16 10:33:58,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-16 10:33:58,596 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-16 10:33:58,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-16 10:33:58,596 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-16 10:33:58,597 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-16 10:33:58,598 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-16 10:33:58,599 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-16 10:33:58,599 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-16 10:33:58,599 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-16 10:33:58,599 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-16 10:33:58,599 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:33:58,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:33:58,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:33:58,601 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 10:33:58,626 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:33:58,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:33:58,627 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:33:58,627 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:33:58,627 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:33:58,627 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:33:58,628 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:33:58,628 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:33:58,628 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:33:58,628 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:33:58,629 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:33:58,629 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:33:58,629 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:33:58,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:33:58,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:33:58,629 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:33:58,629 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:33:58,629 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:33:58,629 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:33:58,629 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:33:58,630 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:33:58,630 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:33:58,630 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:33:58,630 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:33:58,630 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:33:58,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:33:58,630 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:33:58,635 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:33:58,635 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:33:58,635 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:33:58,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:33:58,635 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:33:58,635 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:33:58,636 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:33:58,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:33:58,848 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:33:58,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:33:58,850 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:33:58,851 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:33:58,852 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe009_power.oepc.i [2022-09-16 10:33:58,907 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/503af38cb/91fcf34919c8489d867ef0b32d5c26fe/FLAG11011dcb8 [2022-09-16 10:33:59,296 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:33:59,296 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe009_power.oepc.i [2022-09-16 10:33:59,308 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/503af38cb/91fcf34919c8489d867ef0b32d5c26fe/FLAG11011dcb8 [2022-09-16 10:33:59,632 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/503af38cb/91fcf34919c8489d867ef0b32d5c26fe [2022-09-16 10:33:59,634 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:33:59,635 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:33:59,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:33:59,636 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:33:59,638 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:33:59,639 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:33:59" (1/1) ... [2022-09-16 10:33:59,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3768c72d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:33:59, skipping insertion in model container [2022-09-16 10:33:59,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:33:59" (1/1) ... [2022-09-16 10:33:59,644 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:33:59,686 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:33:59,820 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/safe009_power.oepc.i[995,1008] [2022-09-16 10:33:59,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:33:59,938 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:33:59,946 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/safe009_power.oepc.i[995,1008] [2022-09-16 10:33:59,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:34:00,025 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:34:00,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:00 WrapperNode [2022-09-16 10:34:00,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:34:00,027 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:34:00,027 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:34:00,027 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:34:00,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:00" (1/1) ... [2022-09-16 10:34:00,062 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:00" (1/1) ... [2022-09-16 10:34:00,084 INFO L138 Inliner]: procedures = 176, calls = 76, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 258 [2022-09-16 10:34:00,085 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:34:00,085 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:34:00,085 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:34:00,085 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:34:00,097 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:00" (1/1) ... [2022-09-16 10:34:00,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:00" (1/1) ... [2022-09-16 10:34:00,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:00" (1/1) ... [2022-09-16 10:34:00,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:00" (1/1) ... [2022-09-16 10:34:00,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:00" (1/1) ... [2022-09-16 10:34:00,139 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:00" (1/1) ... [2022-09-16 10:34:00,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:00" (1/1) ... [2022-09-16 10:34:00,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:34:00,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:34:00,146 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:34:00,146 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:34:00,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:00" (1/1) ... [2022-09-16 10:34:00,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:34:00,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:34:00,181 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-09-16 10:34:00,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-09-16 10:34:00,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-09-16 10:34:00,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:34:00,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 10:34:00,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:34:00,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:34:00,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:34:00,230 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 10:34:00,231 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 10:34:00,231 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 10:34:00,231 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 10:34:00,232 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-09-16 10:34:00,232 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-09-16 10:34:00,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:34:00,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 10:34:00,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:34:00,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:34:00,234 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-16 10:34:00,422 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:34:00,423 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:34:01,028 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:34:01,539 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:34:01,539 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:34:01,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:34:01 BoogieIcfgContainer [2022-09-16 10:34:01,541 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:34:01,543 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:34:01,543 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:34:01,545 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:34:01,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:33:59" (1/3) ... [2022-09-16 10:34:01,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e7ffdec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:34:01, skipping insertion in model container [2022-09-16 10:34:01,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:00" (2/3) ... [2022-09-16 10:34:01,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e7ffdec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:34:01, skipping insertion in model container [2022-09-16 10:34:01,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:34:01" (3/3) ... [2022-09-16 10:34:01,548 INFO L112 eAbstractionObserver]: Analyzing ICFG safe009_power.oepc.i [2022-09-16 10:34:01,555 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:34:01,561 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:34:01,561 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-09-16 10:34:01,561 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:34:01,629 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 10:34:01,670 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 143 places, 135 transitions, 285 flow [2022-09-16 10:34:02,426 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 25027 states, 25001 states have (on average 3.668693252269909) internal successors, (91721), 25026 states have internal predecessors, (91721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:34:02,441 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:34:02,446 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;@6b1a29fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:34:02,446 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-09-16 10:34:02,504 INFO L276 IsEmpty]: Start isEmpty. Operand has 25027 states, 25001 states have (on average 3.668693252269909) internal successors, (91721), 25026 states have internal predecessors, (91721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:34:02,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-09-16 10:34:02,512 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:34:02,513 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] [2022-09-16 10:34:02,514 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:34:02,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:34:02,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1128679765, now seen corresponding path program 1 times [2022-09-16 10:34:02,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:34:02,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017703099] [2022-09-16 10:34:02,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:34:02,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:34:02,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:34:02,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:34:02,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:34:02,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017703099] [2022-09-16 10:34:02,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017703099] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:34:02,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:34:02,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 10:34:02,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530575261] [2022-09-16 10:34:02,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:34:02,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 10:34:02,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:34:02,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 10:34:02,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:34:02,879 INFO L87 Difference]: Start difference. First operand has 25027 states, 25001 states have (on average 3.668693252269909) internal successors, (91721), 25026 states have internal predecessors, (91721), 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 32.5) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:34:03,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:34:03,368 INFO L93 Difference]: Finished difference Result 18916 states and 66326 transitions. [2022-09-16 10:34:03,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 10:34:03,371 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 32.5) internal successors, (65), 3 states have internal predecessors, (65), 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 65 [2022-09-16 10:34:03,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:34:03,517 INFO L225 Difference]: With dead ends: 18916 [2022-09-16 10:34:03,517 INFO L226 Difference]: Without dead ends: 18916 [2022-09-16 10:34:03,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:34:03,521 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 50 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:34:03,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 173 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:34:03,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18916 states. [2022-09-16 10:34:04,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18916 to 18916. [2022-09-16 10:34:04,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18916 states, 18862 states have (on average 3.516382143993214) internal successors, (66326), 18915 states have internal predecessors, (66326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:34:04,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18916 states to 18916 states and 66326 transitions. [2022-09-16 10:34:04,380 INFO L78 Accepts]: Start accepts. Automaton has 18916 states and 66326 transitions. Word has length 65 [2022-09-16 10:34:04,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:34:04,381 INFO L495 AbstractCegarLoop]: Abstraction has 18916 states and 66326 transitions. [2022-09-16 10:34:04,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 32.5) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:34:04,382 INFO L276 IsEmpty]: Start isEmpty. Operand 18916 states and 66326 transitions. [2022-09-16 10:34:04,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-09-16 10:34:04,389 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:34:04,390 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 10:34:04,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:34:04,390 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:34:04,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:34:04,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1068679480, now seen corresponding path program 1 times [2022-09-16 10:34:04,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:34:04,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081131382] [2022-09-16 10:34:04,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:34:04,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:34:04,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:34:04,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:34:04,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:34:04,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081131382] [2022-09-16 10:34:04,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081131382] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:34:04,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:34:04,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:34:04,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810034227] [2022-09-16 10:34:04,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:34:04,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:34:04,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:34:04,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:34:04,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:34:04,651 INFO L87 Difference]: Start difference. First operand 18916 states and 66326 transitions. Second operand has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 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 10:34:05,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:34:05,032 INFO L93 Difference]: Finished difference Result 16534 states and 56632 transitions. [2022-09-16 10:34:05,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:34:05,033 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 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 10:34:05,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:34:05,098 INFO L225 Difference]: With dead ends: 16534 [2022-09-16 10:34:05,098 INFO L226 Difference]: Without dead ends: 16534 [2022-09-16 10:34:05,102 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:34:05,103 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 198 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:34:05,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 218 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:34:05,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16534 states. [2022-09-16 10:34:05,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16534 to 15724. [2022-09-16 10:34:05,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15724 states, 15697 states have (on average 3.4891380518570427) internal successors, (54769), 15723 states have internal predecessors, (54769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:34:05,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15724 states to 15724 states and 54769 transitions. [2022-09-16 10:34:05,698 INFO L78 Accepts]: Start accepts. Automaton has 15724 states and 54769 transitions. Word has length 77 [2022-09-16 10:34:05,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:34:05,701 INFO L495 AbstractCegarLoop]: Abstraction has 15724 states and 54769 transitions. [2022-09-16 10:34:05,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 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 10:34:05,701 INFO L276 IsEmpty]: Start isEmpty. Operand 15724 states and 54769 transitions. [2022-09-16 10:34:05,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-09-16 10:34:05,703 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:34:05,704 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 10:34:05,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:34:05,704 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:34:05,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:34:05,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1068679479, now seen corresponding path program 1 times [2022-09-16 10:34:05,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:34:05,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134610663] [2022-09-16 10:34:05,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:34:05,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:34:05,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:34:05,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:34:05,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:34:05,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134610663] [2022-09-16 10:34:05,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134610663] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:34:05,813 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:34:05,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:34:05,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820035854] [2022-09-16 10:34:05,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:34:05,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:34:05,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:34:05,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:34:05,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:34:05,815 INFO L87 Difference]: Start difference. First operand 15724 states and 54769 transitions. Second operand has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 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 10:34:05,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:34:05,948 INFO L93 Difference]: Finished difference Result 12262 states and 42501 transitions. [2022-09-16 10:34:05,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:34:05,949 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 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 10:34:05,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:34:06,113 INFO L225 Difference]: With dead ends: 12262 [2022-09-16 10:34:06,113 INFO L226 Difference]: Without dead ends: 12262 [2022-09-16 10:34:06,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:34:06,115 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 101 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:34:06,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 319 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:34:06,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12262 states. [2022-09-16 10:34:06,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12262 to 12262. [2022-09-16 10:34:06,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12262 states, 12253 states have (on average 3.468619929813107) internal successors, (42501), 12261 states have internal predecessors, (42501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:34:06,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12262 states to 12262 states and 42501 transitions. [2022-09-16 10:34:06,524 INFO L78 Accepts]: Start accepts. Automaton has 12262 states and 42501 transitions. Word has length 77 [2022-09-16 10:34:06,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:34:06,524 INFO L495 AbstractCegarLoop]: Abstraction has 12262 states and 42501 transitions. [2022-09-16 10:34:06,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 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 10:34:06,525 INFO L276 IsEmpty]: Start isEmpty. Operand 12262 states and 42501 transitions. [2022-09-16 10:34:06,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-09-16 10:34:06,543 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:34:06,543 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] [2022-09-16 10:34:06,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:34:06,543 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:34:06,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:34:06,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1099726959, now seen corresponding path program 1 times [2022-09-16 10:34:06,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:34:06,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179544663] [2022-09-16 10:34:06,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:34:06,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:34:06,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:34:06,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:34:06,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:34:06,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179544663] [2022-09-16 10:34:06,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179544663] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:34:06,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:34:06,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 10:34:06,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831378922] [2022-09-16 10:34:06,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:34:06,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 10:34:06,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:34:06,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 10:34:06,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:34:06,674 INFO L87 Difference]: Start difference. First operand 12262 states and 42501 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:34:06,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:34:06,792 INFO L93 Difference]: Finished difference Result 11452 states and 39828 transitions. [2022-09-16 10:34:06,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 10:34:06,793 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 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 88 [2022-09-16 10:34:06,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:34:06,793 INFO L225 Difference]: With dead ends: 11452 [2022-09-16 10:34:06,793 INFO L226 Difference]: Without dead ends: 0 [2022-09-16 10:34:06,793 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 10:34:06,794 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 253 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:34:06,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 223 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:34:06,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-09-16 10:34:06,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-09-16 10:34:06,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:34:06,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-09-16 10:34:06,795 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2022-09-16 10:34:06,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:34:06,795 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-16 10:34:06,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:34:06,795 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-09-16 10:34:06,796 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-09-16 10:34:06,798 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2022-09-16 10:34:06,798 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2022-09-16 10:34:06,798 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2022-09-16 10:34:06,798 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2022-09-16 10:34:06,798 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2022-09-16 10:34:06,798 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2022-09-16 10:34:06,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2022-09-16 10:34:06,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2022-09-16 10:34:06,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2022-09-16 10:34:06,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2022-09-16 10:34:06,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2022-09-16 10:34:06,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2022-09-16 10:34:06,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2022-09-16 10:34:06,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2022-09-16 10:34:06,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2022-09-16 10:34:06,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 10:34:06,802 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-09-16 10:34:06,805 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 10:34:06,805 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 10:34:06,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 10:34:06 BasicIcfg [2022-09-16 10:34:06,807 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 10:34:06,807 INFO L158 Benchmark]: Toolchain (without parser) took 7172.14ms. Allocated memory was 186.6MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 131.1MB in the beginning and 1.2GB in the end (delta: -1.0GB). Peak memory consumption was 406.6MB. Max. memory is 8.0GB. [2022-09-16 10:34:06,807 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 186.6MB. Free memory was 149.1MB in the beginning and 148.9MB in the end (delta: 143.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:34:06,808 INFO L158 Benchmark]: CACSL2BoogieTranslator took 389.93ms. Allocated memory was 186.6MB in the beginning and 238.0MB in the end (delta: 51.4MB). Free memory was 131.0MB in the beginning and 198.3MB in the end (delta: -67.4MB). Peak memory consumption was 17.2MB. Max. memory is 8.0GB. [2022-09-16 10:34:06,808 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.95ms. Allocated memory is still 238.0MB. Free memory was 198.3MB in the beginning and 195.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 10:34:06,808 INFO L158 Benchmark]: Boogie Preprocessor took 60.09ms. Allocated memory is still 238.0MB. Free memory was 195.2MB in the beginning and 192.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 10:34:06,808 INFO L158 Benchmark]: RCFGBuilder took 1395.05ms. Allocated memory is still 238.0MB. Free memory was 192.6MB in the beginning and 187.7MB in the end (delta: 4.9MB). Peak memory consumption was 117.1MB. Max. memory is 8.0GB. [2022-09-16 10:34:06,808 INFO L158 Benchmark]: TraceAbstraction took 5264.36ms. Allocated memory was 238.0MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 187.1MB in the beginning and 1.2GB in the end (delta: -969.7MB). Peak memory consumption was 410.7MB. Max. memory is 8.0GB. [2022-09-16 10:34:06,809 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 186.6MB. Free memory was 149.1MB in the beginning and 148.9MB in the end (delta: 143.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 389.93ms. Allocated memory was 186.6MB in the beginning and 238.0MB in the end (delta: 51.4MB). Free memory was 131.0MB in the beginning and 198.3MB in the end (delta: -67.4MB). Peak memory consumption was 17.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 57.95ms. Allocated memory is still 238.0MB. Free memory was 198.3MB in the beginning and 195.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 60.09ms. Allocated memory is still 238.0MB. Free memory was 195.2MB in the beginning and 192.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1395.05ms. Allocated memory is still 238.0MB. Free memory was 192.6MB in the beginning and 187.7MB in the end (delta: 4.9MB). Peak memory consumption was 117.1MB. Max. memory is 8.0GB. * TraceAbstraction took 5264.36ms. Allocated memory was 238.0MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 187.1MB in the beginning and 1.2GB in the end (delta: -969.7MB). Peak memory consumption was 410.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 783]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 783]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 803]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 803]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 820]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 820]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 165 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 5.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 602 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 602 mSDsluCounter, 933 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 486 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 160 IncrementalHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 495 mSDtfsCounter, 160 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25027occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.8s AutomataMinimizationTime, 4 MinimizatonAttempts, 810 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 307 NumberOfCodeBlocks, 307 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 303 ConstructedInterpolants, 0 QuantifiedInterpolants, 845 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-09-16 10:34:06,846 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...