/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/mix035_power.opt_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:28:48,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 10:28:48,412 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 10:28:48,445 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 10:28:48,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 10:28:48,448 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 10:28:48,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 10:28:48,453 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 10:28:48,454 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 10:28:48,457 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 10:28:48,458 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 10:28:48,459 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 10:28:48,459 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:28:48,461 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:28:48,461 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:28:48,463 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:28:48,464 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:28:48,465 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:28:48,466 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:28:48,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:28:48,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:28:48,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:28:48,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:28:48,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:28:48,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-16 10:28:48,477 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-16 10:28:48,478 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-16 10:28:48,478 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-16 10:28:48,478 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-16 10:28:48,479 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-16 10:28:48,479 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-16 10:28:48,479 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-16 10:28:48,480 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-16 10:28:48,481 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-16 10:28:48,481 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-16 10:28:48,482 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-16 10:28:48,482 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-16 10:28:48,482 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-16 10:28:48,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:28:48,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:28:48,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:28:48,484 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 10:28:48,507 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:28:48,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:28:48,508 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:28:48,508 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:28:48,508 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:28:48,508 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:28:48,509 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:28:48,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:28:48,509 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:28:48,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:28:48,509 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:28:48,510 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:28:48,510 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:28:48,510 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:28:48,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:28:48,510 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:28:48,510 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:28:48,510 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:28:48,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:28:48,510 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:28:48,510 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:28:48,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:28:48,510 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:28:48,511 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:28:48,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:28:48,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:28:48,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:28:48,511 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:28:48,511 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:28:48,511 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:28:48,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:28:48,511 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:28:48,511 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:28:48,512 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:28:48,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:28:48,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:28:48,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:28:48,738 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:28:48,739 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:28:48,740 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix035_power.opt_rmo.opt.i [2022-09-16 10:28:48,781 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5defcabc9/161b06f75af147d8b115515ff923aa7c/FLAG762a92926 [2022-09-16 10:28:49,187 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:28:49,188 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix035_power.opt_rmo.opt.i [2022-09-16 10:28:49,200 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5defcabc9/161b06f75af147d8b115515ff923aa7c/FLAG762a92926 [2022-09-16 10:28:49,211 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5defcabc9/161b06f75af147d8b115515ff923aa7c [2022-09-16 10:28:49,213 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:28:49,214 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:28:49,216 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:28:49,216 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:28:49,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:28:49,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:28:49" (1/1) ... [2022-09-16 10:28:49,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ae4d719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:28:49, skipping insertion in model container [2022-09-16 10:28:49,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:28:49" (1/1) ... [2022-09-16 10:28:49,224 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:28:49,260 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:28:49,399 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/mix035_power.opt_rmo.opt.i[1001,1014] [2022-09-16 10:28:49,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:28:49,528 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:28:49,536 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/mix035_power.opt_rmo.opt.i[1001,1014] [2022-09-16 10:28:49,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:28:49,612 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:28:49,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:28:49 WrapperNode [2022-09-16 10:28:49,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:28:49,613 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:28:49,613 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:28:49,613 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:28:49,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:28:49" (1/1) ... [2022-09-16 10:28:49,638 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:28:49" (1/1) ... [2022-09-16 10:28:49,656 INFO L138 Inliner]: procedures = 176, calls = 58, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 181 [2022-09-16 10:28:49,656 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:28:49,657 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:28:49,657 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:28:49,657 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:28:49,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:28:49" (1/1) ... [2022-09-16 10:28:49,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:28:49" (1/1) ... [2022-09-16 10:28:49,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:28:49" (1/1) ... [2022-09-16 10:28:49,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:28:49" (1/1) ... [2022-09-16 10:28:49,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:28:49" (1/1) ... [2022-09-16 10:28:49,678 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:28:49" (1/1) ... [2022-09-16 10:28:49,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:28:49" (1/1) ... [2022-09-16 10:28:49,682 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:28:49,683 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:28:49,683 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:28:49,683 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:28:49,684 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:28:49" (1/1) ... [2022-09-16 10:28:49,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:28:49,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:28:49,714 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 10:28:49,716 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 10:28:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:28:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 10:28:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:28:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:28:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:28:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 10:28:49,740 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 10:28:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 10:28:49,740 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 10:28:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-09-16 10:28:49,740 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-09-16 10:28:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:28:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 10:28:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:28:49,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:28:49,741 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 10:28:49,850 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:28:49,852 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:28:50,196 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:28:50,461 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:28:50,461 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:28:50,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:28:50 BoogieIcfgContainer [2022-09-16 10:28:50,463 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:28:50,465 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:28:50,465 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:28:50,467 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:28:50,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:28:49" (1/3) ... [2022-09-16 10:28:50,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73f48723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:28:50, skipping insertion in model container [2022-09-16 10:28:50,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:28:49" (2/3) ... [2022-09-16 10:28:50,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73f48723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:28:50, skipping insertion in model container [2022-09-16 10:28:50,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:28:50" (3/3) ... [2022-09-16 10:28:50,469 INFO L112 eAbstractionObserver]: Analyzing ICFG mix035_power.opt_rmo.opt.i [2022-09-16 10:28:50,477 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:28:50,483 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:28:50,483 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-09-16 10:28:50,484 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:28:50,536 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 10:28:50,558 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 131 places, 123 transitions, 261 flow [2022-09-16 10:28:51,375 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 33382 states, 33356 states have (on average 3.7081484590478473) internal successors, (123689), 33381 states have internal predecessors, (123689), 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 10:28:51,388 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:28:51,396 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;@348a9651, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:28:51,396 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-09-16 10:28:51,477 INFO L276 IsEmpty]: Start isEmpty. Operand has 33382 states, 33356 states have (on average 3.7081484590478473) internal successors, (123689), 33381 states have internal predecessors, (123689), 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 10:28:51,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:28:51,485 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:28:51,486 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] [2022-09-16 10:28:51,487 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 10:28:51,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:28:51,492 INFO L85 PathProgramCache]: Analyzing trace with hash 2083865074, now seen corresponding path program 1 times [2022-09-16 10:28:51,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:28:51,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681180609] [2022-09-16 10:28:51,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:28:51,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:28:51,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:28:51,796 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 10:28:51,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:28:51,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681180609] [2022-09-16 10:28:51,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681180609] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:28:51,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:28:51,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 10:28:51,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375620141] [2022-09-16 10:28:51,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:28:51,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 10:28:51,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:28:51,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 10:28:51,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:28:51,907 INFO L87 Difference]: Start difference. First operand has 33382 states, 33356 states have (on average 3.7081484590478473) internal successors, (123689), 33381 states have internal predecessors, (123689), 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 25.0) internal successors, (50), 3 states have internal predecessors, (50), 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 10:28:52,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:28:52,461 INFO L93 Difference]: Finished difference Result 25021 states and 88877 transitions. [2022-09-16 10:28:52,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 10:28:52,466 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 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 50 [2022-09-16 10:28:52,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:28:52,763 INFO L225 Difference]: With dead ends: 25021 [2022-09-16 10:28:52,764 INFO L226 Difference]: Without dead ends: 25021 [2022-09-16 10:28:52,765 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 10:28:52,767 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 53 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 164 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 10:28:52,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 164 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:28:52,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25021 states. [2022-09-16 10:28:53,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25021 to 25021. [2022-09-16 10:28:53,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25021 states, 24967 states have (on average 3.5597789081587696) internal successors, (88877), 25020 states have internal predecessors, (88877), 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 10:28:53,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25021 states to 25021 states and 88877 transitions. [2022-09-16 10:28:53,740 INFO L78 Accepts]: Start accepts. Automaton has 25021 states and 88877 transitions. Word has length 50 [2022-09-16 10:28:53,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:28:53,741 INFO L495 AbstractCegarLoop]: Abstraction has 25021 states and 88877 transitions. [2022-09-16 10:28:53,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 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 10:28:53,741 INFO L276 IsEmpty]: Start isEmpty. Operand 25021 states and 88877 transitions. [2022-09-16 10:28:53,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-09-16 10:28:53,744 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:28:53,744 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] [2022-09-16 10:28:53,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:28:53,744 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 10:28:53,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:28:53,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1732111556, now seen corresponding path program 1 times [2022-09-16 10:28:53,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:28:53,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149791898] [2022-09-16 10:28:53,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:28:53,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:28:53,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:28:54,052 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 10:28:54,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:28:54,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149791898] [2022-09-16 10:28:54,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149791898] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:28:54,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:28:54,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:28:54,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029164512] [2022-09-16 10:28:54,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:28:54,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:28:54,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:28:54,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:28:54,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:28:54,055 INFO L87 Difference]: Start difference. First operand 25021 states and 88877 transitions. Second operand has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 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 10:28:54,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:28:54,406 INFO L93 Difference]: Finished difference Result 22099 states and 77221 transitions. [2022-09-16 10:28:54,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:28:54,407 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 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 62 [2022-09-16 10:28:54,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:28:54,504 INFO L225 Difference]: With dead ends: 22099 [2022-09-16 10:28:54,504 INFO L226 Difference]: Without dead ends: 22099 [2022-09-16 10:28:54,507 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 10:28:54,508 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 191 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 212 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 10:28:54,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 212 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:28:54,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22099 states. [2022-09-16 10:28:55,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22099 to 21289. [2022-09-16 10:28:55,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21289 states, 21262 states have (on average 3.544257360549337) internal successors, (75358), 21288 states have internal predecessors, (75358), 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 10:28:55,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21289 states to 21289 states and 75358 transitions. [2022-09-16 10:28:55,302 INFO L78 Accepts]: Start accepts. Automaton has 21289 states and 75358 transitions. Word has length 62 [2022-09-16 10:28:55,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:28:55,303 INFO L495 AbstractCegarLoop]: Abstraction has 21289 states and 75358 transitions. [2022-09-16 10:28:55,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 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 10:28:55,303 INFO L276 IsEmpty]: Start isEmpty. Operand 21289 states and 75358 transitions. [2022-09-16 10:28:55,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-09-16 10:28:55,305 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:28:55,305 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] [2022-09-16 10:28:55,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:28:55,305 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 10:28:55,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:28:55,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1732111555, now seen corresponding path program 1 times [2022-09-16 10:28:55,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:28:55,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256436797] [2022-09-16 10:28:55,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:28:55,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:28:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:28:55,366 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 10:28:55,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:28:55,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256436797] [2022-09-16 10:28:55,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256436797] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:28:55,366 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:28:55,366 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:28:55,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307474579] [2022-09-16 10:28:55,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:28:55,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:28:55,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:28:55,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:28:55,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:28:55,368 INFO L87 Difference]: Start difference. First operand 21289 states and 75358 transitions. Second operand has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 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 10:28:55,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:28:55,520 INFO L93 Difference]: Finished difference Result 17287 states and 61128 transitions. [2022-09-16 10:28:55,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:28:55,521 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 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 62 [2022-09-16 10:28:55,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:28:55,583 INFO L225 Difference]: With dead ends: 17287 [2022-09-16 10:28:55,584 INFO L226 Difference]: Without dead ends: 17287 [2022-09-16 10:28:55,584 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 10:28:55,585 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 107 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:28:55,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 301 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:28:55,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17287 states. [2022-09-16 10:28:56,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17287 to 17287. [2022-09-16 10:28:56,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17287 states, 17278 states have (on average 3.5379094802639193) internal successors, (61128), 17286 states have internal predecessors, (61128), 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 10:28:56,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17287 states to 17287 states and 61128 transitions. [2022-09-16 10:28:56,218 INFO L78 Accepts]: Start accepts. Automaton has 17287 states and 61128 transitions. Word has length 62 [2022-09-16 10:28:56,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:28:56,218 INFO L495 AbstractCegarLoop]: Abstraction has 17287 states and 61128 transitions. [2022-09-16 10:28:56,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 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 10:28:56,219 INFO L276 IsEmpty]: Start isEmpty. Operand 17287 states and 61128 transitions. [2022-09-16 10:28:56,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-09-16 10:28:56,245 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:28:56,245 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] [2022-09-16 10:28:56,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:28:56,246 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 10:28:56,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:28:56,246 INFO L85 PathProgramCache]: Analyzing trace with hash -647856309, now seen corresponding path program 1 times [2022-09-16 10:28:56,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:28:56,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125734867] [2022-09-16 10:28:56,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:28:56,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:28:56,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:28:56,316 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 10:28:56,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:28:56,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125734867] [2022-09-16 10:28:56,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125734867] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:28:56,317 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:28:56,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 10:28:56,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097350952] [2022-09-16 10:28:56,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:28:56,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 10:28:56,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:28:56,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 10:28:56,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:28:56,318 INFO L87 Difference]: Start difference. First operand 17287 states and 61128 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 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 10:28:56,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:28:56,460 INFO L93 Difference]: Finished difference Result 16477 states and 58455 transitions. [2022-09-16 10:28:56,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 10:28:56,461 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 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 76 [2022-09-16 10:28:56,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:28:56,461 INFO L225 Difference]: With dead ends: 16477 [2022-09-16 10:28:56,461 INFO L226 Difference]: Without dead ends: 0 [2022-09-16 10:28:56,461 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 10:28:56,462 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 279 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:28:56,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 217 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:28:56,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-09-16 10:28:56,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-09-16 10:28:56,463 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 10:28:56,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-09-16 10:28:56,463 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2022-09-16 10:28:56,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:28:56,463 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-16 10:28:56,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 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 10:28:56,464 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-09-16 10:28:56,464 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-09-16 10:28:56,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2022-09-16 10:28:56,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2022-09-16 10:28:56,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2022-09-16 10:28:56,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2022-09-16 10:28:56,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2022-09-16 10:28:56,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2022-09-16 10:28:56,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2022-09-16 10:28:56,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2022-09-16 10:28:56,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2022-09-16 10:28:56,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2022-09-16 10:28:56,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2022-09-16 10:28:56,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2022-09-16 10:28:56,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2022-09-16 10:28:56,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2022-09-16 10:28:56,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2022-09-16 10:28:56,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 10:28:56,470 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-09-16 10:28:56,473 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 10:28:56,473 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 10:28:56,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 10:28:56 BasicIcfg [2022-09-16 10:28:56,475 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 10:28:56,475 INFO L158 Benchmark]: Toolchain (without parser) took 7261.00ms. Allocated memory was 175.1MB in the beginning and 4.0GB in the end (delta: 3.9GB). Free memory was 117.8MB in the beginning and 3.4GB in the end (delta: -3.3GB). Peak memory consumption was 557.4MB. Max. memory is 8.0GB. [2022-09-16 10:28:56,476 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 175.1MB. Free memory was 135.8MB in the beginning and 135.6MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:28:56,476 INFO L158 Benchmark]: CACSL2BoogieTranslator took 396.54ms. Allocated memory was 175.1MB in the beginning and 228.6MB in the end (delta: 53.5MB). Free memory was 117.5MB in the beginning and 188.6MB in the end (delta: -71.1MB). Peak memory consumption was 15.1MB. Max. memory is 8.0GB. [2022-09-16 10:28:56,476 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.01ms. Allocated memory is still 228.6MB. Free memory was 188.6MB in the beginning and 186.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 10:28:56,476 INFO L158 Benchmark]: Boogie Preprocessor took 25.71ms. Allocated memory is still 228.6MB. Free memory was 186.1MB in the beginning and 184.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 10:28:56,476 INFO L158 Benchmark]: RCFGBuilder took 780.01ms. Allocated memory is still 228.6MB. Free memory was 184.0MB in the beginning and 192.0MB in the end (delta: -8.0MB). Peak memory consumption was 92.1MB. Max. memory is 8.0GB. [2022-09-16 10:28:56,477 INFO L158 Benchmark]: TraceAbstraction took 6010.43ms. Allocated memory was 228.6MB in the beginning and 4.0GB in the end (delta: 3.8GB). Free memory was 191.5MB in the beginning and 3.4GB in the end (delta: -3.2GB). Peak memory consumption was 577.1MB. Max. memory is 8.0GB. [2022-09-16 10:28:56,478 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 175.1MB. Free memory was 135.8MB in the beginning and 135.6MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 396.54ms. Allocated memory was 175.1MB in the beginning and 228.6MB in the end (delta: 53.5MB). Free memory was 117.5MB in the beginning and 188.6MB in the end (delta: -71.1MB). Peak memory consumption was 15.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 43.01ms. Allocated memory is still 228.6MB. Free memory was 188.6MB in the beginning and 186.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.71ms. Allocated memory is still 228.6MB. Free memory was 186.1MB in the beginning and 184.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 780.01ms. Allocated memory is still 228.6MB. Free memory was 184.0MB in the beginning and 192.0MB in the end (delta: -8.0MB). Peak memory consumption was 92.1MB. Max. memory is 8.0GB. * TraceAbstraction took 6010.43ms. Allocated memory was 228.6MB in the beginning and 4.0GB in the end (delta: 3.8GB). Free memory was 191.5MB in the beginning and 3.4GB in the end (delta: -3.2GB). Peak memory consumption was 577.1MB. 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: 771]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 771]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 800]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 800]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 826]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 826]: 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, 156 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 5.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 630 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 630 mSDsluCounter, 894 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 492 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 160 IncrementalHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 450 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=33382occurred 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: 2.4s AutomataMinimizationTime, 4 MinimizatonAttempts, 810 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 250 NumberOfCodeBlocks, 250 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 246 ConstructedInterpolants, 0 QuantifiedInterpolants, 674 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 10:28:56,514 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...