/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/float-benchs/filter2_reinit.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.2-dev-05d3305-m
[2022-10-16 11:54:27,667 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-10-16 11:54:27,670 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-10-16 11:54:27,728 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-10-16 11:54:27,729 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-10-16 11:54:27,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-10-16 11:54:27,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-10-16 11:54:27,747 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-10-16 11:54:27,750 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-10-16 11:54:27,758 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-10-16 11:54:27,764 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-10-16 11:54:27,768 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-10-16 11:54:27,769 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-10-16 11:54:27,773 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-10-16 11:54:27,775 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-10-16 11:54:27,780 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-10-16 11:54:27,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-10-16 11:54:27,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-10-16 11:54:27,787 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-10-16 11:54:27,796 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-10-16 11:54:27,798 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-10-16 11:54:27,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-10-16 11:54:27,802 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-10-16 11:54:27,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-10-16 11:54:27,809 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-10-16 11:54:27,810 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-10-16 11:54:27,810 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-10-16 11:54:27,811 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-10-16 11:54:27,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-10-16 11:54:27,813 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-10-16 11:54:27,813 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-10-16 11:54:27,814 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-10-16 11:54:27,828 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-10-16 11:54:27,830 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-10-16 11:54:27,831 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-10-16 11:54:27,831 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-10-16 11:54:27,832 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-10-16 11:54:27,833 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-10-16 11:54:27,833 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-10-16 11:54:27,834 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-10-16 11:54:27,834 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-10-16 11:54:27,836 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf
[2022-10-16 11:54:27,888 INFO L113 SettingsManager]: Loading preferences was successful
[2022-10-16 11:54:27,889 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-10-16 11:54:27,889 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-10-16 11:54:27,890 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-10-16 11:54:27,891 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-10-16 11:54:27,891 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-10-16 11:54:27,894 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-10-16 11:54:27,894 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-10-16 11:54:27,894 INFO L138 SettingsManager]: * Use SBE=true
[2022-10-16 11:54:27,895 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-10-16 11:54:27,896 INFO L138 SettingsManager]: * sizeof long=4
[2022-10-16 11:54:27,896 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2022-10-16 11:54:27,896 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-10-16 11:54:27,896 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-10-16 11:54:27,897 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-10-16 11:54:27,897 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-10-16 11:54:27,897 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-10-16 11:54:27,897 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-10-16 11:54:27,897 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true
[2022-10-16 11:54:27,898 INFO L138 SettingsManager]: * sizeof long double=12
[2022-10-16 11:54:27,898 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-10-16 11:54:27,898 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-10-16 11:54:27,898 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-10-16 11:54:27,898 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-10-16 11:54:27,898 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-10-16 11:54:27,899 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-10-16 11:54:27,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-16 11:54:27,899 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-10-16 11:54:27,899 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-10-16 11:54:27,899 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-10-16 11:54:27,900 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-10-16 11:54:27,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-10-16 11:54:27,900 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-10-16 11:54:27,901 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-10-16 11:54:28,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-10-16 11:54:28,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-10-16 11:54:28,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-10-16 11:54:28,365 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-10-16 11:54:28,371 INFO L275 PluginConnector]: CDTParser initialized
[2022-10-16 11:54:28,373 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/filter2_reinit.c
[2022-10-16 11:54:28,458 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/878eebec6/5356bcd4b74e48309993c5acbd420375/FLAG1a7073f44
[2022-10-16 11:54:29,092 INFO L306 CDTParser]: Found 1 translation units.
[2022-10-16 11:54:29,093 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/filter2_reinit.c
[2022-10-16 11:54:29,101 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/878eebec6/5356bcd4b74e48309993c5acbd420375/FLAG1a7073f44
[2022-10-16 11:54:29,118 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/878eebec6/5356bcd4b74e48309993c5acbd420375
[2022-10-16 11:54:29,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-10-16 11:54:29,127 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2022-10-16 11:54:29,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-10-16 11:54:29,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-10-16 11:54:29,134 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-10-16 11:54:29,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:54:29" (1/1) ...
[2022-10-16 11:54:29,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bebe8bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:54:29, skipping insertion in model container
[2022-10-16 11:54:29,137 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:54:29" (1/1) ...
[2022-10-16 11:54:29,146 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-10-16 11:54:29,163 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-10-16 11:54:29,360 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/filter2_reinit.c[700,713]
[2022-10-16 11:54:29,379 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-10-16 11:54:29,388 INFO L203 MainTranslator]: Completed pre-run
[2022-10-16 11:54:29,402 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/filter2_reinit.c[700,713]
[2022-10-16 11:54:29,409 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-10-16 11:54:29,425 INFO L208 MainTranslator]: Completed translation
[2022-10-16 11:54:29,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:54:29 WrapperNode
[2022-10-16 11:54:29,425 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-10-16 11:54:29,427 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-10-16 11:54:29,427 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-10-16 11:54:29,427 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-10-16 11:54:29,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:54:29" (1/1) ...
[2022-10-16 11:54:29,448 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:54:29" (1/1) ...
[2022-10-16 11:54:29,470 INFO L138 Inliner]: procedures = 15, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 60
[2022-10-16 11:54:29,471 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-10-16 11:54:29,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-10-16 11:54:29,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-10-16 11:54:29,472 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-10-16 11:54:29,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:54:29" (1/1) ...
[2022-10-16 11:54:29,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:54:29" (1/1) ...
[2022-10-16 11:54:29,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:54:29" (1/1) ...
[2022-10-16 11:54:29,484 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:54:29" (1/1) ...
[2022-10-16 11:54:29,489 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:54:29" (1/1) ...
[2022-10-16 11:54:29,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:54:29" (1/1) ...
[2022-10-16 11:54:29,495 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:54:29" (1/1) ...
[2022-10-16 11:54:29,496 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:54:29" (1/1) ...
[2022-10-16 11:54:29,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-10-16 11:54:29,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-10-16 11:54:29,500 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-10-16 11:54:29,500 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-10-16 11:54:29,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:54:29" (1/1) ...
[2022-10-16 11:54:29,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-16 11:54:29,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-16 11:54:29,537 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-10-16 11:54:29,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-10-16 11:54:29,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-10-16 11:54:29,611 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2022-10-16 11:54:29,611 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2022-10-16 11:54:29,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-10-16 11:54:29,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-10-16 11:54:29,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-10-16 11:54:29,701 INFO L235 CfgBuilder]: Building ICFG
[2022-10-16 11:54:29,706 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-10-16 11:54:29,855 INFO L276 CfgBuilder]: Performing block encoding
[2022-10-16 11:54:29,865 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-10-16 11:54:29,865 INFO L300 CfgBuilder]: Removed 1 assume(true) statements.
[2022-10-16 11:54:29,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:54:29 BoogieIcfgContainer
[2022-10-16 11:54:29,868 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-10-16 11:54:29,870 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-10-16 11:54:29,870 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-10-16 11:54:29,874 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-10-16 11:54:29,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 11:54:29" (1/3) ...
[2022-10-16 11:54:29,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1783b28e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:54:29, skipping insertion in model container
[2022-10-16 11:54:29,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:54:29" (2/3) ...
[2022-10-16 11:54:29,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1783b28e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:54:29, skipping insertion in model container
[2022-10-16 11:54:29,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:54:29" (3/3) ...
[2022-10-16 11:54:29,878 INFO L112 eAbstractionObserver]: Analyzing ICFG filter2_reinit.c
[2022-10-16 11:54:29,900 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-10-16 11:54:29,900 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2022-10-16 11:54:29,980 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-10-16 11:54:29,997 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;@719b98fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-16 11:54:29,997 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2022-10-16 11:54:30,005 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 19 states have (on average 1.368421052631579) internal successors, (26), 21 states have internal predecessors, (26), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2022-10-16 11:54:30,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2022-10-16 11:54:30,017 INFO L187 NwaCegarLoop]: Found error trace
[2022-10-16 11:54:30,018 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-10-16 11:54:30,019 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2022-10-16 11:54:30,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-10-16 11:54:30,028 INFO L85 PathProgramCache]: Analyzing trace with hash -152026045, now seen corresponding path program 1 times
[2022-10-16 11:54:30,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-16 11:54:30,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165767794]
[2022-10-16 11:54:30,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-16 11:54:30,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-16 11:54:30,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-16 11:54:30,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2022-10-16 11:54:30,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-16 11:54:30,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2022-10-16 11:54:30,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-16 11:54:30,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2022-10-16 11:54:30,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-16 11:54:30,354 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2022-10-16 11:54:30,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-16 11:54:30,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165767794]
[2022-10-16 11:54:30,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165767794] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-16 11:54:30,356 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-16 11:54:30,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-10-16 11:54:30,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854365967]
[2022-10-16 11:54:30,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-16 11:54:30,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-10-16 11:54:30,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-16 11:54:30,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-10-16 11:54:30,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-10-16 11:54:30,402 INFO L87 Difference]: Start difference. First operand has 26 states, 19 states have (on average 1.368421052631579) internal successors, (26), 21 states have internal predecessors, (26), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3)
[2022-10-16 11:54:30,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-10-16 11:54:30,426 INFO L93 Difference]: Finished difference Result 49 states and 63 transitions.
[2022-10-16 11:54:30,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-10-16 11:54:30,429 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 26
[2022-10-16 11:54:30,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-10-16 11:54:30,438 INFO L225 Difference]: With dead ends: 49
[2022-10-16 11:54:30,439 INFO L226 Difference]: Without dead ends: 21
[2022-10-16 11:54:30,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-10-16 11:54:30,448 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-10-16 11:54:30,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-10-16 11:54:30,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states.
[2022-10-16 11:54:30,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21.
[2022-10-16 11:54:30,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2022-10-16 11:54:30,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 24 transitions.
[2022-10-16 11:54:30,512 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 24 transitions. Word has length 26
[2022-10-16 11:54:30,512 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-10-16 11:54:30,512 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 24 transitions.
[2022-10-16 11:54:30,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3)
[2022-10-16 11:54:30,513 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions.
[2022-10-16 11:54:30,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2022-10-16 11:54:30,515 INFO L187 NwaCegarLoop]: Found error trace
[2022-10-16 11:54:30,515 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-10-16 11:54:30,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-10-16 11:54:30,516 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2022-10-16 11:54:30,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-10-16 11:54:30,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1914546239, now seen corresponding path program 1 times
[2022-10-16 11:54:30,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-16 11:54:30,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447706638]
[2022-10-16 11:54:30,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-16 11:54:30,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-16 11:54:30,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-16 11:54:30,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2022-10-16 11:54:30,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-16 11:54:30,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2022-10-16 11:54:30,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-16 11:54:30,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2022-10-16 11:54:30,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-16 11:54:30,837 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2022-10-16 11:54:30,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-16 11:54:30,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447706638]
[2022-10-16 11:54:30,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447706638] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-16 11:54:30,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-16 11:54:30,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-10-16 11:54:30,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893567644]
[2022-10-16 11:54:30,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-16 11:54:30,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-10-16 11:54:30,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-16 11:54:30,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-10-16 11:54:30,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-10-16 11:54:30,842 INFO L87 Difference]: Start difference. First operand 21 states and 24 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2022-10-16 11:54:30,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-10-16 11:54:30,884 INFO L93 Difference]: Finished difference Result 33 states and 38 transitions.
[2022-10-16 11:54:30,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-10-16 11:54:30,884 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 26
[2022-10-16 11:54:30,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-10-16 11:54:30,886 INFO L225 Difference]: With dead ends: 33
[2022-10-16 11:54:30,886 INFO L226 Difference]: Without dead ends: 31
[2022-10-16 11:54:30,886 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-10-16 11:54:30,888 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 4 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-10-16 11:54:30,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 58 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-10-16 11:54:30,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states.
[2022-10-16 11:54:30,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31.
[2022-10-16 11:54:30,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 25 states have internal predecessors, (28), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2022-10-16 11:54:30,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 36 transitions.
[2022-10-16 11:54:30,899 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 36 transitions. Word has length 26
[2022-10-16 11:54:30,901 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-10-16 11:54:30,901 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 36 transitions.
[2022-10-16 11:54:30,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2022-10-16 11:54:30,902 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions.
[2022-10-16 11:54:30,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2022-10-16 11:54:30,903 INFO L187 NwaCegarLoop]: Found error trace
[2022-10-16 11:54:30,904 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-10-16 11:54:30,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-10-16 11:54:30,904 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2022-10-16 11:54:30,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-10-16 11:54:30,905 INFO L85 PathProgramCache]: Analyzing trace with hash -304499557, now seen corresponding path program 1 times
[2022-10-16 11:54:30,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-16 11:54:30,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888893388]
[2022-10-16 11:54:30,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-16 11:54:30,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-16 11:54:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-16 11:54:31,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2022-10-16 11:54:31,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-16 11:54:31,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2022-10-16 11:54:31,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-16 11:54:31,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2022-10-16 11:54:31,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-16 11:54:31,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2022-10-16 11:54:31,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-16 11:54:31,077 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked.
[2022-10-16 11:54:31,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-16 11:54:31,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888893388]
[2022-10-16 11:54:31,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888893388] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-16 11:54:31,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-16 11:54:31,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-10-16 11:54:31,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130812919]
[2022-10-16 11:54:31,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-16 11:54:31,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-10-16 11:54:31,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-16 11:54:31,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-10-16 11:54:31,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-10-16 11:54:31,081 INFO L87 Difference]: Start difference. First operand 31 states and 36 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2022-10-16 11:54:31,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-10-16 11:54:31,107 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions.
[2022-10-16 11:54:31,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-10-16 11:54:31,108 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40
[2022-10-16 11:54:31,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-10-16 11:54:31,109 INFO L225 Difference]: With dead ends: 31
[2022-10-16 11:54:31,109 INFO L226 Difference]: Without dead ends: 30
[2022-10-16 11:54:31,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-10-16 11:54:31,112 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 6 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-10-16 11:54:31,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 44 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-10-16 11:54:31,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states.
[2022-10-16 11:54:31,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30.
[2022-10-16 11:54:31,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 24 states have (on average 1.125) internal successors, (27), 24 states have internal predecessors, (27), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2022-10-16 11:54:31,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 35 transitions.
[2022-10-16 11:54:31,121 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 35 transitions. Word has length 40
[2022-10-16 11:54:31,122 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-10-16 11:54:31,122 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 35 transitions.
[2022-10-16 11:54:31,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2022-10-16 11:54:31,122 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions.
[2022-10-16 11:54:31,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2022-10-16 11:54:31,124 INFO L187 NwaCegarLoop]: Found error trace
[2022-10-16 11:54:31,124 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-10-16 11:54:31,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-10-16 11:54:31,124 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2022-10-16 11:54:31,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-10-16 11:54:31,125 INFO L85 PathProgramCache]: Analyzing trace with hash -849551607, now seen corresponding path program 1 times
[2022-10-16 11:54:31,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-16 11:54:31,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838725452]
[2022-10-16 11:54:31,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-16 11:54:31,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-16 11:54:31,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-16 11:54:31,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2022-10-16 11:54:31,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-16 11:54:31,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2022-10-16 11:54:31,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-16 11:54:31,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2022-10-16 11:54:31,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-16 11:54:31,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2022-10-16 11:54:31,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-16 11:54:31,318 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2022-10-16 11:54:31,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-16 11:54:31,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838725452]
[2022-10-16 11:54:31,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838725452] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-16 11:54:31,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1605687788]
[2022-10-16 11:54:31,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-16 11:54:31,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-10-16 11:54:31,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-16 11:54:31,322 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-10-16 11:54:31,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2022-10-16 11:54:31,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-16 11:54:31,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 5 conjunts are in the unsatisfiable core
[2022-10-16 11:54:31,412 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-10-16 11:54:31,591 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2022-10-16 11:54:31,591 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-10-16 11:54:31,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1605687788] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-16 11:54:31,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-10-16 11:54:31,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2022-10-16 11:54:31,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109601511]
[2022-10-16 11:54:31,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-16 11:54:31,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-10-16 11:54:31,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-16 11:54:31,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-10-16 11:54:31,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2022-10-16 11:54:31,598 INFO L87 Difference]: Start difference. First operand 30 states and 35 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4)
[2022-10-16 11:54:31,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-10-16 11:54:31,666 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions.
[2022-10-16 11:54:31,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-10-16 11:54:31,676 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 41
[2022-10-16 11:54:31,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-10-16 11:54:31,677 INFO L225 Difference]: With dead ends: 30
[2022-10-16 11:54:31,677 INFO L226 Difference]: Without dead ends: 0
[2022-10-16 11:54:31,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90
[2022-10-16 11:54:31,682 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 6 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-10-16 11:54:31,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 67 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-10-16 11:54:31,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-10-16 11:54:31,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-10-16 11:54:31,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-16 11:54:31,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-10-16 11:54:31,686 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41
[2022-10-16 11:54:31,687 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-10-16 11:54:31,691 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-10-16 11:54:31,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4)
[2022-10-16 11:54:31,692 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-10-16 11:54:31,692 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2022-10-16 11:54:31,697 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2022-10-16 11:54:31,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2022-10-16 11:54:31,733 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2022-10-16 11:54:31,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-10-16 11:54:31,903 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2022-10-16 11:54:31,940 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed.
[2022-10-16 11:54:31,941 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2022-10-16 11:54:31,941 INFO L899 garLoopResultBuilder]: For program point L29(line 29) no Hoare annotation was computed.
[2022-10-16 11:54:31,941 INFO L899 garLoopResultBuilder]: For program point L42(lines 42 47) no Hoare annotation was computed.
[2022-10-16 11:54:31,942 INFO L895 garLoopResultBuilder]: At program point L40(line 40) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~0#1| 0) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 1000000)))
[2022-10-16 11:54:31,942 INFO L899 garLoopResultBuilder]: For program point L42-2(lines 42 47) no Hoare annotation was computed.
[2022-10-16 11:54:31,942 INFO L899 garLoopResultBuilder]: For program point L40-1(line 40) no Hoare annotation was computed.
[2022-10-16 11:54:31,942 INFO L899 garLoopResultBuilder]: For program point L34-2(lines 34 54) no Hoare annotation was computed.
[2022-10-16 11:54:31,942 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2022-10-16 11:54:31,943 INFO L899 garLoopResultBuilder]: For program point L34-3(line 34) no Hoare annotation was computed.
[2022-10-16 11:54:31,943 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed.
[2022-10-16 11:54:31,943 INFO L899 garLoopResultBuilder]: For program point L34-4(line 34) no Hoare annotation was computed.
[2022-10-16 11:54:31,943 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2022-10-16 11:54:31,943 INFO L895 garLoopResultBuilder]: At program point L34-5(lines 34 54) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 |ULTIMATE.start_main_~i~0#1|))
[2022-10-16 11:54:31,944 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2022-10-16 11:54:31,944 INFO L902 garLoopResultBuilder]: At program point L28(line 28) the Hoare annotation is: true
[2022-10-16 11:54:31,944 INFO L899 garLoopResultBuilder]: For program point L34-6(lines 34 54) no Hoare annotation was computed.
[2022-10-16 11:54:31,944 INFO L902 garLoopResultBuilder]: At program point L28-1(line 28) the Hoare annotation is: true
[2022-10-16 11:54:31,945 INFO L902 garLoopResultBuilder]: At program point L55(lines 21 56) the Hoare annotation is: true
[2022-10-16 11:54:31,945 INFO L899 garLoopResultBuilder]: For program point L18(line 18) no Hoare annotation was computed.
[2022-10-16 11:54:31,945 INFO L899 garLoopResultBuilder]: For program point L18-1(line 18) no Hoare annotation was computed.
[2022-10-16 11:54:31,945 INFO L895 garLoopResultBuilder]: At program point L18-3(line 18) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~0#1| 0) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 1000000)))
[2022-10-16 11:54:31,945 INFO L899 garLoopResultBuilder]: For program point L16(line 16) no Hoare annotation was computed.
[2022-10-16 11:54:31,946 INFO L899 garLoopResultBuilder]: For program point L16-2(lines 15 17) no Hoare annotation was computed.
[2022-10-16 11:54:31,946 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 15 17) the Hoare annotation is: true
[2022-10-16 11:54:31,946 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 15 17) no Hoare annotation was computed.
[2022-10-16 11:54:31,950 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2022-10-16 11:54:31,953 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2022-10-16 11:54:31,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 11:54:31 BoogieIcfgContainer
[2022-10-16 11:54:31,971 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-10-16 11:54:31,972 INFO L158 Benchmark]: Toolchain (without parser) took 2849.03ms. Allocated memory is still 157.3MB. Free memory was 131.9MB in the beginning and 77.3MB in the end (delta: 54.6MB). Peak memory consumption was 56.0MB. Max. memory is 8.0GB.
[2022-10-16 11:54:31,972 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 157.3MB. Free memory is still 130.7MB. There was no memory consumed. Max. memory is 8.0GB.
[2022-10-16 11:54:31,973 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.77ms. Allocated memory is still 157.3MB. Free memory was 131.7MB in the beginning and 121.7MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB.
[2022-10-16 11:54:31,973 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.20ms. Allocated memory is still 157.3MB. Free memory was 121.5MB in the beginning and 120.2MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-10-16 11:54:31,974 INFO L158 Benchmark]: Boogie Preprocessor took 27.22ms. Allocated memory is still 157.3MB. Free memory was 119.9MB in the beginning and 118.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-10-16 11:54:31,975 INFO L158 Benchmark]: RCFGBuilder took 368.37ms. Allocated memory is still 157.3MB. Free memory was 118.9MB in the beginning and 108.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB.
[2022-10-16 11:54:31,975 INFO L158 Benchmark]: TraceAbstraction took 2100.67ms. Allocated memory is still 157.3MB. Free memory was 107.7MB in the beginning and 77.3MB in the end (delta: 30.4MB). Peak memory consumption was 31.8MB. Max. memory is 8.0GB.
[2022-10-16 11:54:31,978 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.22ms. Allocated memory is still 157.3MB. Free memory is still 130.7MB. There was no memory consumed. Max. memory is 8.0GB.
* CACSL2BoogieTranslator took 296.77ms. Allocated memory is still 157.3MB. Free memory was 131.7MB in the beginning and 121.7MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB.
* Boogie Procedure Inliner took 44.20ms. Allocated memory is still 157.3MB. Free memory was 121.5MB in the beginning and 120.2MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 27.22ms. Allocated memory is still 157.3MB. Free memory was 119.9MB in the beginning and 118.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* RCFGBuilder took 368.37ms. Allocated memory is still 157.3MB. Free memory was 118.9MB in the beginning and 108.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB.
* TraceAbstraction took 2100.67ms. Allocated memory is still 157.3MB. Free memory was 107.7MB in the beginning and 77.3MB in the end (delta: 30.4MB). Peak memory consumption was 31.8MB. 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: 34]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 34]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 26 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 198 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 104 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 46 IncrementalHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 94 mSDtfsCounter, 46 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 89 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=2, 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: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 12 PreInvPairs, 20 NumberOfFragments, 33 HoareAnnotationTreeSize, 12 FomulaSimplifications, 21 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 174 NumberOfCodeBlocks, 174 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 169 ConstructedInterpolants, 0 QuantifiedInterpolants, 283 SizeOfPredicates, 2 NumberOfNonLiveVariables, 130 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 115/125 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
2 specifications checked. All of them hold
- InvariantResult [Line: 34]: Loop Invariant
Derived loop invariant: i == 0 || 1 <= i
- InvariantResult [Line: 18]: Loop Invariant
Derived loop invariant: i == 0 || (1 <= i && i <= 1000000)
- InvariantResult [Line: 21]: Loop Invariant
Derived loop invariant: 1
RESULT: Ultimate proved your program to be correct!
[2022-10-16 11:54:32,035 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...