/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/loops/while_infinite_loop_2.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.2-dev-05ce600
[2022-02-23 15:49:50,397 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-02-23 15:49:50,398 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-02-23 15:49:50,445 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-02-23 15:49:50,446 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-02-23 15:49:50,448 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-02-23 15:49:50,450 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-02-23 15:49:50,451 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-02-23 15:49:50,452 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-02-23 15:49:50,452 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-02-23 15:49:50,453 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-02-23 15:49:50,454 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-02-23 15:49:50,454 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-02-23 15:49:50,454 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-02-23 15:49:50,455 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-02-23 15:49:50,456 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-02-23 15:49:50,456 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-02-23 15:49:50,457 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-02-23 15:49:50,458 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-02-23 15:49:50,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-02-23 15:49:50,464 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-02-23 15:49:50,467 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-02-23 15:49:50,468 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-02-23 15:49:50,470 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-02-23 15:49:50,478 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-02-23 15:49:50,478 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-02-23 15:49:50,479 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-02-23 15:49:50,479 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-02-23 15:49:50,479 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-02-23 15:49:50,480 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-02-23 15:49:50,480 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-02-23 15:49:50,480 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-02-23 15:49:50,481 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-02-23 15:49:50,481 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-02-23 15:49:50,482 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-02-23 15:49:50,482 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-02-23 15:49:50,482 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-02-23 15:49:50,483 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-02-23 15:49:50,483 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-02-23 15:49:50,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-02-23 15:49:50,484 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-02-23 15:49:50,486 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf
[2022-02-23 15:49:50,497 INFO L113 SettingsManager]: Loading preferences was successful
[2022-02-23 15:49:50,497 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-23 15:49:50,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-23 15:49:50,498 INFO L138 SettingsManager]: * sizeof long=4
[2022-02-23 15:49:50,498 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-02-23 15:49:50,499 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-02-23 15:49:50,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-02-23 15:49:50,499 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-02-23 15:49:50,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-23 15:49:50,499 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-02-23 15:49:50,499 INFO L138 SettingsManager]: * sizeof long double=12
[2022-02-23 15:49:50,500 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-02-23 15:49:50,500 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-02-23 15:49:50,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-02-23 15:49:50,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-23 15:49:50,500 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-02-23 15:49:50,500 INFO L138 SettingsManager]: * To the following directory=./dump/
[2022-02-23 15:49:50,500 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-02-23 15:49:50,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-23 15:49:50,500 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-23 15:49:50,500 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-02-23 15:49:50,501 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2022-02-23 15:49:50,501 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN
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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN;
[2022-02-23 15:49:50,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-23 15:49:50,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-23 15:49:50,714 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-23 15:49:50,715 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-02-23 15:49:50,715 INFO L275 PluginConnector]: CDTParser initialized
[2022-02-23 15:49:50,716 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/while_infinite_loop_2.c
[2022-02-23 15:49:50,761 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a667562d3/c780765a55064973aa96db2763b72932/FLAGf72035dc4
[2022-02-23 15:49:51,059 INFO L306 CDTParser]: Found 1 translation units.
[2022-02-23 15:49:51,059 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/while_infinite_loop_2.c
[2022-02-23 15:49:51,072 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a667562d3/c780765a55064973aa96db2763b72932/FLAGf72035dc4
[2022-02-23 15:49:51,504 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a667562d3/c780765a55064973aa96db2763b72932
[2022-02-23 15:49:51,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-23 15:49:51,507 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2022-02-23 15:49:51,508 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-02-23 15:49:51,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-02-23 15:49:51,516 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-02-23 15:49:51,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 03:49:51" (1/1) ...
[2022-02-23 15:49:51,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56e468d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 03:49:51, skipping insertion in model container
[2022-02-23 15:49:51,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 03:49:51" (1/1) ...
[2022-02-23 15:49:51,524 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-02-23 15:49:51,532 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-02-23 15:49:51,672 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops/while_infinite_loop_2.c[333,346]
[2022-02-23 15:49:51,679 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-23 15:49:51,686 INFO L203 MainTranslator]: Completed pre-run
[2022-02-23 15:49:51,694 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops/while_infinite_loop_2.c[333,346]
[2022-02-23 15:49:51,695 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-23 15:49:51,703 INFO L208 MainTranslator]: Completed translation
[2022-02-23 15:49:51,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 03:49:51 WrapperNode
[2022-02-23 15:49:51,703 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-02-23 15:49:51,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-23 15:49:51,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-23 15:49:51,705 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-02-23 15:49:51,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 03:49:51" (1/1) ...
[2022-02-23 15:49:51,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 03:49:51" (1/1) ...
[2022-02-23 15:49:51,717 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 03:49:51" (1/1) ...
[2022-02-23 15:49:51,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 03:49:51" (1/1) ...
[2022-02-23 15:49:51,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 03:49:51" (1/1) ...
[2022-02-23 15:49:51,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 03:49:51" (1/1) ...
[2022-02-23 15:49:51,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 03:49:51" (1/1) ...
[2022-02-23 15:49:51,728 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-23 15:49:51,729 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-23 15:49:51,729 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-02-23 15:49:51,729 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-02-23 15:49:51,730 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 03:49:51" (1/1) ...
[2022-02-23 15:49:51,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-23 15:49:51,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-23 15:49:51,752 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)
[2022-02-23 15:49:51,770 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
[2022-02-23 15:49:51,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2022-02-23 15:49:51,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-23 15:49:51,780 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2022-02-23 15:49:51,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2022-02-23 15:49:51,780 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2022-02-23 15:49:51,780 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2022-02-23 15:49:51,780 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2022-02-23 15:49:51,780 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2022-02-23 15:49:51,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-02-23 15:49:51,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2022-02-23 15:49:51,780 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2022-02-23 15:49:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2022-02-23 15:49:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-02-23 15:49:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-23 15:49:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-02-23 15:49:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2022-02-23 15:49:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-02-23 15:49:51,817 INFO L234 CfgBuilder]: Building ICFG
[2022-02-23 15:49:51,818 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-23 15:49:51,875 INFO L275 CfgBuilder]: Performing block encoding
[2022-02-23 15:49:51,884 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-23 15:49:51,884 INFO L299 CfgBuilder]: Removed 1 assume(true) statements.
[2022-02-23 15:49:51,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 03:49:51 BoogieIcfgContainer
[2022-02-23 15:49:51,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-23 15:49:51,886 INFO L113 PluginConnector]: ------------------------IcfgTransformer----------------------------
[2022-02-23 15:49:51,886 INFO L271 PluginConnector]: Initializing IcfgTransformer...
[2022-02-23 15:49:51,895 INFO L275 PluginConnector]: IcfgTransformer initialized
[2022-02-23 15:49:51,898 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 03:49:51" (1/1) ...
[2022-02-23 15:49:51,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 23.02 03:49:51 BasicIcfg
[2022-02-23 15:49:51,906 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer----------------------------
[2022-02-23 15:49:51,907 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-23 15:49:51,907 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-02-23 15:49:51,910 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-02-23 15:49:51,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 03:49:51" (1/4) ...
[2022-02-23 15:49:51,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a5dbd88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 03:49:51, skipping insertion in model container
[2022-02-23 15:49:51,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 03:49:51" (2/4) ...
[2022-02-23 15:49:51,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a5dbd88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 03:49:51, skipping insertion in model container
[2022-02-23 15:49:51,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 03:49:51" (3/4) ...
[2022-02-23 15:49:51,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a5dbd88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 03:49:51, skipping insertion in model container
[2022-02-23 15:49:51,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 23.02 03:49:51" (4/4) ...
[2022-02-23 15:49:51,912 INFO L111 eAbstractionObserver]: Analyzing ICFG while_infinite_loop_2.cJordan
[2022-02-23 15:49:51,915 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION
[2022-02-23 15:49:51,915 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-02-23 15:49:51,941 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-02-23 15:49:51,946 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=ForwardPredicates, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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, mLoopAccelerationTechnique=FAST_UPR
[2022-02-23 15:49:51,946 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-02-23 15:49:51,954 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 10 states have (on average 1.4) internal successors, (14), 12 states have internal predecessors, (14), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2022-02-23 15:49:51,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2022-02-23 15:49:51,958 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-23 15:49:51,959 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-23 15:49:51,959 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-02-23 15:49:51,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-23 15:49:51,962 INFO L85 PathProgramCache]: Analyzing trace with hash 924096770, now seen corresponding path program 1 times
[2022-02-23 15:49:51,968 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-23 15:49:51,968 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324377927]
[2022-02-23 15:49:51,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-23 15:49:51,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-23 15:49:52,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-23 15:49:52,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2022-02-23 15:49:52,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-23 15:49:52,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-23 15:49:52,109 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-23 15:49:52,110 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324377927]
[2022-02-23 15:49:52,111 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324377927] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-23 15:49:52,112 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-23 15:49:52,112 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-02-23 15:49:52,113 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104939526]
[2022-02-23 15:49:52,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-23 15:49:52,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-02-23 15:49:52,117 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-23 15:49:52,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-02-23 15:49:52,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-23 15:49:52,151 INFO L87 Difference]: Start difference. First operand has 19 states, 10 states have (on average 1.4) internal successors, (14), 12 states have internal predecessors, (14), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-02-23 15:49:52,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-23 15:49:52,179 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions.
[2022-02-23 15:49:52,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-23 15:49:52,180 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11
[2022-02-23 15:49:52,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-23 15:49:52,185 INFO L225 Difference]: With dead ends: 14
[2022-02-23 15:49:52,185 INFO L226 Difference]: Without dead ends: 14
[2022-02-23 15:49:52,186 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-23 15:49:52,188 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 7 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-23 15:49:52,189 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 15 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-23 15:49:52,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states.
[2022-02-23 15:49:52,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14.
[2022-02-23 15:49:52,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 8 states have (on average 1.125) internal successors, (9), 9 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2022-02-23 15:49:52,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions.
[2022-02-23 15:49:52,212 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 11
[2022-02-23 15:49:52,213 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-23 15:49:52,213 INFO L470 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions.
[2022-02-23 15:49:52,213 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-02-23 15:49:52,213 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions.
[2022-02-23 15:49:52,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2022-02-23 15:49:52,214 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-23 15:49:52,214 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-23 15:49:52,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-02-23 15:49:52,214 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-02-23 15:49:52,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-23 15:49:52,215 INFO L85 PathProgramCache]: Analyzing trace with hash 925973603, now seen corresponding path program 1 times
[2022-02-23 15:49:52,215 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-23 15:49:52,215 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925328911]
[2022-02-23 15:49:52,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-23 15:49:52,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-23 15:49:52,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-23 15:49:52,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2022-02-23 15:49:52,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-23 15:49:52,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-23 15:49:52,328 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-23 15:49:52,328 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925328911]
[2022-02-23 15:49:52,328 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925328911] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-23 15:49:52,329 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-23 15:49:52,329 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-02-23 15:49:52,329 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663770936]
[2022-02-23 15:49:52,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-23 15:49:52,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-02-23 15:49:52,330 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-23 15:49:52,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-02-23 15:49:52,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2022-02-23 15:49:52,331 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 4 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-02-23 15:49:52,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-23 15:49:52,372 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions.
[2022-02-23 15:49:52,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-02-23 15:49:52,373 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 4 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11
[2022-02-23 15:49:52,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-23 15:49:52,374 INFO L225 Difference]: With dead ends: 12
[2022-02-23 15:49:52,374 INFO L226 Difference]: Without dead ends: 0
[2022-02-23 15:49:52,378 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2022-02-23 15:49:52,379 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 10 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-23 15:49:52,380 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 26 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-23 15:49:52,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-02-23 15:49:52,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-02-23 15:49:52,382 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)
[2022-02-23 15:49:52,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-02-23 15:49:52,382 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11
[2022-02-23 15:49:52,382 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-23 15:49:52,383 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-02-23 15:49:52,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 4 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-02-23 15:49:52,383 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-02-23 15:49:52,383 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2022-02-23 15:49:52,385 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2022-02-23 15:49:52,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-02-23 15:49:52,389 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1]
[2022-02-23 15:49:52,392 INFO L180 ceAbstractionStarter]: Computing trace abstraction results
[2022-02-23 15:49:52,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 03:49:52 BasicIcfg
[2022-02-23 15:49:52,402 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-02-23 15:49:52,403 INFO L158 Benchmark]: Toolchain (without parser) took 895.93ms. Allocated memory is still 182.5MB. Free memory was 133.8MB in the beginning and 119.4MB in the end (delta: 14.3MB). Peak memory consumption was 14.6MB. Max. memory is 8.0GB.
[2022-02-23 15:49:52,403 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 182.5MB. Free memory was 149.8MB in the beginning and 149.7MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 8.0GB.
[2022-02-23 15:49:52,404 INFO L158 Benchmark]: CACSL2BoogieTranslator took 196.00ms. Allocated memory is still 182.5MB. Free memory was 133.5MB in the beginning and 159.8MB in the end (delta: -26.3MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB.
[2022-02-23 15:49:52,404 INFO L158 Benchmark]: Boogie Preprocessor took 23.66ms. Allocated memory is still 182.5MB. Free memory was 159.8MB in the beginning and 158.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-23 15:49:52,407 INFO L158 Benchmark]: RCFGBuilder took 157.10ms. Allocated memory is still 182.5MB. Free memory was 158.2MB in the beginning and 149.3MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB.
[2022-02-23 15:49:52,407 INFO L158 Benchmark]: IcfgTransformer took 20.20ms. Allocated memory is still 182.5MB. Free memory was 149.3MB in the beginning and 148.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-23 15:49:52,407 INFO L158 Benchmark]: TraceAbstraction took 494.91ms. Allocated memory is still 182.5MB. Free memory was 147.7MB in the beginning and 119.4MB in the end (delta: 28.3MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB.
[2022-02-23 15:49:52,408 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.10ms. Allocated memory is still 182.5MB. Free memory was 149.8MB in the beginning and 149.7MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 8.0GB.
* CACSL2BoogieTranslator took 196.00ms. Allocated memory is still 182.5MB. Free memory was 133.5MB in the beginning and 159.8MB in the end (delta: -26.3MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 23.66ms. Allocated memory is still 182.5MB. Free memory was 159.8MB in the beginning and 158.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* RCFGBuilder took 157.10ms. Allocated memory is still 182.5MB. Free memory was 158.2MB in the beginning and 149.3MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB.
* IcfgTransformer took 20.20ms. Allocated memory is still 182.5MB. Free memory was 149.3MB in the beginning and 148.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* TraceAbstraction took 494.91ms. Allocated memory is still 182.5MB. Free memory was 147.7MB in the beginning and 119.4MB in the end (delta: 28.3MB). Peak memory consumption was 28.3MB. 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: 7]: call to reach_error is unreachable
For all program executions holds that call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 22 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 42 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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
1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2022-02-23 15:49:52,435 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...