/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/safe031_power.oepc_pso.oepc_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:35:36,245 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 10:35:36,247 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 10:35:36,291 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-09-16 10:35:36,307 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:35:36,309 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:35:36,310 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:35:36,313 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:35:36,314 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:35:36,314 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:35:36,316 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:35:36,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:35:36,323 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:35:36,324 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:35:36,326 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:35:36,327 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:35:36,333 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-16 10:35:36,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:35:36,342 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:35:36,343 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:35:36,348 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 10:35:36,380 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:35:36,381 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:35:36,381 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:35:36,381 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:35:36,382 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:35:36,382 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:35:36,383 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:35:36,383 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:35:36,383 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:35:36,383 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:35:36,384 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:35:36,384 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:35:36,384 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:35:36,385 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:35:36,385 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:35:36,385 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:35:36,385 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:35:36,385 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:35:36,385 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:35:36,385 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:35:36,385 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:35:36,385 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:35:36,386 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:35:36,387 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:35:36,387 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:35:36,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:35:36,387 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:35:36,387 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:35:36,387 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:35:36,387 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:35:36,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:35:36,388 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:35:36,388 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:35:36,388 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:35:36,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:35:36,654 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:35:36,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:35:36,657 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:35:36,660 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:35:36,661 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe031_power.oepc_pso.oepc_rmo.oepc.i [2022-09-16 10:35:36,724 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7794d90e/293682fc56b0418dacdb7412737b5149/FLAG8bb60f304 [2022-09-16 10:35:37,267 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:35:37,268 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe031_power.oepc_pso.oepc_rmo.oepc.i [2022-09-16 10:35:37,287 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7794d90e/293682fc56b0418dacdb7412737b5149/FLAG8bb60f304 [2022-09-16 10:35:37,721 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7794d90e/293682fc56b0418dacdb7412737b5149 [2022-09-16 10:35:37,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:35:37,725 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:35:37,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:35:37,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:35:37,729 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:35:37,730 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:35:37" (1/1) ... [2022-09-16 10:35:37,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18237fa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:35:37, skipping insertion in model container [2022-09-16 10:35:37,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:35:37" (1/1) ... [2022-09-16 10:35:37,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:35:37,790 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:35:37,962 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/safe031_power.oepc_pso.oepc_rmo.oepc.i[1013,1026] [2022-09-16 10:35:38,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:35:38,150 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:35:38,164 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/safe031_power.oepc_pso.oepc_rmo.oepc.i[1013,1026] [2022-09-16 10:35:38,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:35:38,231 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:35:38,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:35:38 WrapperNode [2022-09-16 10:35:38,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:35:38,233 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:35:38,233 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:35:38,233 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:35:38,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:35:38" (1/1) ... [2022-09-16 10:35:38,259 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:35:38" (1/1) ... [2022-09-16 10:35:38,284 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 177 [2022-09-16 10:35:38,286 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:35:38,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:35:38,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:35:38,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:35:38,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:35:38" (1/1) ... [2022-09-16 10:35:38,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:35:38" (1/1) ... [2022-09-16 10:35:38,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:35:38" (1/1) ... [2022-09-16 10:35:38,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:35:38" (1/1) ... [2022-09-16 10:35:38,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:35:38" (1/1) ... [2022-09-16 10:35:38,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:35:38" (1/1) ... [2022-09-16 10:35:38,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:35:38" (1/1) ... [2022-09-16 10:35:38,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:35:38,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:35:38,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:35:38,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:35:38,327 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:35:38" (1/1) ... [2022-09-16 10:35:38,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:35:38,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:35:38,360 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 10:35:38,362 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 10:35:38,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:35:38,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 10:35:38,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:35:38,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:35:38,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:35:38,389 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 10:35:38,389 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 10:35:38,389 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 10:35:38,389 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 10:35:38,389 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-09-16 10:35:38,389 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-09-16 10:35:38,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:35:38,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 10:35:38,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:35:38,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:35:38,391 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 10:35:38,550 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:35:38,551 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:35:39,041 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:35:39,421 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:35:39,421 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:35:39,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:35:39 BoogieIcfgContainer [2022-09-16 10:35:39,424 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:35:39,426 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:35:39,426 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:35:39,429 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:35:39,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:35:37" (1/3) ... [2022-09-16 10:35:39,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51e62796 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:35:39, skipping insertion in model container [2022-09-16 10:35:39,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:35:38" (2/3) ... [2022-09-16 10:35:39,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51e62796 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:35:39, skipping insertion in model container [2022-09-16 10:35:39,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:35:39" (3/3) ... [2022-09-16 10:35:39,435 INFO L112 eAbstractionObserver]: Analyzing ICFG safe031_power.oepc_pso.oepc_rmo.oepc.i [2022-09-16 10:35:39,446 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:35:39,455 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:35:39,455 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-09-16 10:35:39,455 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:35:39,534 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 10:35:39,577 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 125 places, 117 transitions, 249 flow [2022-09-16 10:35:40,848 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 27798 states, 27772 states have (on average 3.6858346536079503) internal successors, (102363), 27797 states have internal predecessors, (102363), 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 10:35:40,870 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:35:40,876 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;@50c007c3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:35:40,877 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-09-16 10:35:41,036 INFO L276 IsEmpty]: Start isEmpty. Operand has 27798 states, 27772 states have (on average 3.6858346536079503) internal successors, (102363), 27797 states have internal predecessors, (102363), 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 10:35:41,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-09-16 10:35:41,046 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:35:41,047 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] [2022-09-16 10:35:41,048 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 10:35:41,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:35:41,055 INFO L85 PathProgramCache]: Analyzing trace with hash 652413814, now seen corresponding path program 1 times [2022-09-16 10:35:41,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:35:41,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590173695] [2022-09-16 10:35:41,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:35:41,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:35:41,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:35:41,422 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 10:35:41,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:35:41,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590173695] [2022-09-16 10:35:41,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590173695] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:35:41,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:35:41,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 10:35:41,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573990534] [2022-09-16 10:35:41,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:35:41,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 10:35:41,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:35:41,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 10:35:41,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:35:41,543 INFO L87 Difference]: Start difference. First operand has 27798 states, 27772 states have (on average 3.6858346536079503) internal successors, (102363), 27797 states have internal predecessors, (102363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 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 10:35:42,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:35:42,058 INFO L93 Difference]: Finished difference Result 20937 states and 73829 transitions. [2022-09-16 10:35:42,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 10:35:42,061 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 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 46 [2022-09-16 10:35:42,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:35:42,409 INFO L225 Difference]: With dead ends: 20937 [2022-09-16 10:35:42,409 INFO L226 Difference]: Without dead ends: 20937 [2022-09-16 10:35:42,411 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 10:35:42,416 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 51 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 156 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 10:35:42,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 156 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:35:42,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20937 states. [2022-09-16 10:35:43,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20937 to 20937. [2022-09-16 10:35:43,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20937 states, 20883 states have (on average 3.535363692955993) internal successors, (73829), 20936 states have internal predecessors, (73829), 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 10:35:43,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20937 states to 20937 states and 73829 transitions. [2022-09-16 10:35:43,794 INFO L78 Accepts]: Start accepts. Automaton has 20937 states and 73829 transitions. Word has length 46 [2022-09-16 10:35:43,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:35:43,795 INFO L495 AbstractCegarLoop]: Abstraction has 20937 states and 73829 transitions. [2022-09-16 10:35:43,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 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 10:35:43,796 INFO L276 IsEmpty]: Start isEmpty. Operand 20937 states and 73829 transitions. [2022-09-16 10:35:43,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-09-16 10:35:43,799 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:35:43,799 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] [2022-09-16 10:35:43,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:35:43,800 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 10:35:43,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:35:43,816 INFO L85 PathProgramCache]: Analyzing trace with hash -230169550, now seen corresponding path program 1 times [2022-09-16 10:35:43,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:35:43,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874402015] [2022-09-16 10:35:43,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:35:43,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:35:43,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:35:43,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:35:43,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:35:43,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874402015] [2022-09-16 10:35:43,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874402015] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:35:43,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:35:43,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:35:43,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593639540] [2022-09-16 10:35:43,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:35:43,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:35:43,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:35:43,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:35:43,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:35:43,966 INFO L87 Difference]: Start difference. First operand 20937 states and 73829 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 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 10:35:44,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:35:44,379 INFO L93 Difference]: Finished difference Result 18375 states and 63481 transitions. [2022-09-16 10:35:44,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:35:44,384 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 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 58 [2022-09-16 10:35:44,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:35:44,493 INFO L225 Difference]: With dead ends: 18375 [2022-09-16 10:35:44,494 INFO L226 Difference]: Without dead ends: 18375 [2022-09-16 10:35:44,497 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 10:35:44,498 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 180 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 202 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 10:35:44,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 202 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:35:44,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18375 states. [2022-09-16 10:35:45,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18375 to 17565. [2022-09-16 10:35:45,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17565 states, 17538 states have (on average 3.5133994754247917) internal successors, (61618), 17564 states have internal predecessors, (61618), 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 10:35:45,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17565 states to 17565 states and 61618 transitions. [2022-09-16 10:35:45,338 INFO L78 Accepts]: Start accepts. Automaton has 17565 states and 61618 transitions. Word has length 58 [2022-09-16 10:35:45,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:35:45,339 INFO L495 AbstractCegarLoop]: Abstraction has 17565 states and 61618 transitions. [2022-09-16 10:35:45,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 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 10:35:45,340 INFO L276 IsEmpty]: Start isEmpty. Operand 17565 states and 61618 transitions. [2022-09-16 10:35:45,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-09-16 10:35:45,342 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:35:45,342 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] [2022-09-16 10:35:45,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:35:45,343 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 10:35:45,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:35:45,344 INFO L85 PathProgramCache]: Analyzing trace with hash -230169549, now seen corresponding path program 1 times [2022-09-16 10:35:45,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:35:45,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813301792] [2022-09-16 10:35:45,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:35:45,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:35:45,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:35:45,575 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 10:35:45,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:35:45,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813301792] [2022-09-16 10:35:45,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813301792] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:35:45,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:35:45,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:35:45,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747160175] [2022-09-16 10:35:45,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:35:45,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:35:45,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:35:45,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:35:45,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:35:45,578 INFO L87 Difference]: Start difference. First operand 17565 states and 61618 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 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 10:35:45,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:35:45,788 INFO L93 Difference]: Finished difference Result 13923 states and 48696 transitions. [2022-09-16 10:35:45,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:35:45,788 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 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 58 [2022-09-16 10:35:45,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:35:45,861 INFO L225 Difference]: With dead ends: 13923 [2022-09-16 10:35:45,861 INFO L226 Difference]: Without dead ends: 13923 [2022-09-16 10:35:45,861 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 10:35:45,862 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 103 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 285 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 10:35:45,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 285 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:35:46,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13923 states. [2022-09-16 10:35:46,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13923 to 13923. [2022-09-16 10:35:46,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13923 states, 13914 states have (on average 3.4997843898231995) internal successors, (48696), 13922 states have internal predecessors, (48696), 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 10:35:46,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13923 states to 13923 states and 48696 transitions. [2022-09-16 10:35:46,599 INFO L78 Accepts]: Start accepts. Automaton has 13923 states and 48696 transitions. Word has length 58 [2022-09-16 10:35:46,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:35:46,599 INFO L495 AbstractCegarLoop]: Abstraction has 13923 states and 48696 transitions. [2022-09-16 10:35:46,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 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 10:35:46,600 INFO L276 IsEmpty]: Start isEmpty. Operand 13923 states and 48696 transitions. [2022-09-16 10:35:46,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:35:46,614 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:35:46,615 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] [2022-09-16 10:35:46,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:35:46,615 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 10:35:46,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:35:46,616 INFO L85 PathProgramCache]: Analyzing trace with hash 221605495, now seen corresponding path program 1 times [2022-09-16 10:35:46,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:35:46,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262530905] [2022-09-16 10:35:46,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:35:46,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:35:46,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:35:46,736 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 10:35:46,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:35:46,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262530905] [2022-09-16 10:35:46,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262530905] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:35:46,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:35:46,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 10:35:46,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148979129] [2022-09-16 10:35:46,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:35:46,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 10:35:46,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:35:46,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 10:35:46,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:35:46,739 INFO L87 Difference]: Start difference. First operand 13923 states and 48696 transitions. Second operand has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 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 10:35:46,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:35:46,891 INFO L93 Difference]: Finished difference Result 13113 states and 46023 transitions. [2022-09-16 10:35:46,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 10:35:46,892 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 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 70 [2022-09-16 10:35:46,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:35:46,892 INFO L225 Difference]: With dead ends: 13113 [2022-09-16 10:35:46,893 INFO L226 Difference]: Without dead ends: 0 [2022-09-16 10:35:46,893 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 10:35:46,894 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 271 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:35:46,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 207 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:35:46,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-09-16 10:35:46,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-09-16 10:35:46,896 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 10:35:46,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-09-16 10:35:46,896 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2022-09-16 10:35:46,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:35:46,896 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-16 10:35:46,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 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 10:35:46,897 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-09-16 10:35:46,897 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-09-16 10:35:46,899 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2022-09-16 10:35:46,899 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2022-09-16 10:35:46,899 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2022-09-16 10:35:46,899 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2022-09-16 10:35:46,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2022-09-16 10:35:46,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2022-09-16 10:35:46,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2022-09-16 10:35:46,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2022-09-16 10:35:46,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2022-09-16 10:35:46,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2022-09-16 10:35:46,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2022-09-16 10:35:46,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2022-09-16 10:35:46,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2022-09-16 10:35:46,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2022-09-16 10:35:46,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2022-09-16 10:35:46,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 10:35:46,905 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-09-16 10:35:46,910 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 10:35:46,910 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 10:35:46,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 10:35:46 BasicIcfg [2022-09-16 10:35:46,915 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 10:35:46,915 INFO L158 Benchmark]: Toolchain (without parser) took 9190.96ms. Allocated memory was 198.2MB in the beginning and 3.4GB in the end (delta: 3.2GB). Free memory was 167.2MB in the beginning and 2.9GB in the end (delta: -2.7GB). Peak memory consumption was 477.7MB. Max. memory is 8.0GB. [2022-09-16 10:35:46,916 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 198.2MB. Free memory is still 156.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:35:46,916 INFO L158 Benchmark]: CACSL2BoogieTranslator took 506.30ms. Allocated memory is still 198.2MB. Free memory was 167.0MB in the beginning and 158.2MB in the end (delta: 8.7MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-09-16 10:35:46,916 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.69ms. Allocated memory is still 198.2MB. Free memory was 158.2MB in the beginning and 155.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 10:35:46,916 INFO L158 Benchmark]: Boogie Preprocessor took 37.89ms. Allocated memory is still 198.2MB. Free memory was 155.6MB in the beginning and 153.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 10:35:46,917 INFO L158 Benchmark]: RCFGBuilder took 1097.85ms. Allocated memory was 198.2MB in the beginning and 274.7MB in the end (delta: 76.5MB). Free memory was 153.5MB in the beginning and 236.8MB in the end (delta: -83.3MB). Peak memory consumption was 90.2MB. Max. memory is 8.0GB. [2022-09-16 10:35:46,919 INFO L158 Benchmark]: TraceAbstraction took 7489.18ms. Allocated memory was 274.7MB in the beginning and 3.4GB in the end (delta: 3.1GB). Free memory was 236.2MB in the beginning and 2.9GB in the end (delta: -2.7GB). Peak memory consumption was 469.8MB. Max. memory is 8.0GB. [2022-09-16 10:35:46,921 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 198.2MB. Free memory is still 156.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 506.30ms. Allocated memory is still 198.2MB. Free memory was 167.0MB in the beginning and 158.2MB in the end (delta: 8.7MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 53.69ms. Allocated memory is still 198.2MB. Free memory was 158.2MB in the beginning and 155.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 37.89ms. Allocated memory is still 198.2MB. Free memory was 155.6MB in the beginning and 153.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1097.85ms. Allocated memory was 198.2MB in the beginning and 274.7MB in the end (delta: 76.5MB). Free memory was 153.5MB in the beginning and 236.8MB in the end (delta: -83.3MB). Peak memory consumption was 90.2MB. Max. memory is 8.0GB. * TraceAbstraction took 7489.18ms. Allocated memory was 274.7MB in the beginning and 3.4GB in the end (delta: 3.1GB). Free memory was 236.2MB in the beginning and 2.9GB in the end (delta: -2.7GB). Peak memory consumption was 469.8MB. 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: 765]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 765]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 794]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 794]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 814]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 814]: 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, 148 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 7.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 605 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 605 mSDsluCounter, 850 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 474 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 160 IncrementalHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 424 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=27798occurred 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: 2.9s AutomataMinimizationTime, 4 MinimizatonAttempts, 810 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 228 ConstructedInterpolants, 0 QuantifiedInterpolants, 620 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 10:35:46,958 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...