/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/AutomizerCInlineTransformed.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_LAZY.epf -i ../../../trunk/examples/svcomp/openssl-simplified/s3_srvr_1a.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 15:52:36,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 15:52:36,892 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 15:52:36,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 15:52:36,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 15:52:36,923 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 15:52:36,923 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 15:52:36,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 15:52:36,926 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 15:52:36,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 15:52:36,927 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 15:52:36,928 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 15:52:36,928 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 15:52:36,929 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 15:52:36,934 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 15:52:36,935 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 15:52:36,936 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 15:52:36,939 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 15:52:36,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 15:52:36,945 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 15:52:36,946 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 15:52:36,948 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 15:52:36,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 15:52:36,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 15:52:36,955 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 15:52:36,955 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 15:52:36,955 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 15:52:36,956 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 15:52:36,956 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 15:52:36,957 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 15:52:36,957 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 15:52:36,958 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 15:52:36,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 15:52:36,959 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 15:52:36,959 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 15:52:36,959 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 15:52:36,960 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 15:52:36,960 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 15:52:36,960 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 15:52:36,961 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 15:52:36,961 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 15:52:36,968 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_LAZY.epf [2022-01-10 15:52:36,996 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 15:52:36,996 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 15:52:36,997 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 15:52:36,997 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 15:52:36,998 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 15:52:36,998 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 15:52:36,998 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 15:52:36,998 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 15:52:36,998 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 15:52:36,998 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 15:52:36,999 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 15:52:36,999 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 15:52:36,999 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 15:52:37,000 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 15:52:37,000 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 15:52:37,000 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 15:52:37,000 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 15:52:37,000 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 15:52:37,000 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 15:52:37,000 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 15:52:37,000 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 15:52:37,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 15:52:37,002 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 15:52:37,002 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 15:52:37,002 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 15:52:37,002 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 15:52:37,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 15:52:37,003 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 15:52:37,003 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 15:52:37,003 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 15:52:37,003 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 15:52:37,003 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 15:52:37,005 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 15:52:37,005 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_LAZY 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 15:52:37,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 15:52:37,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 15:52:37,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 15:52:37,230 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 15:52:37,231 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 15:52:37,232 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl-simplified/s3_srvr_1a.cil.c [2022-01-10 15:52:37,271 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70d25de47/cc5370776ade493aa97f779ac74300f9/FLAGa4e6e7787 [2022-01-10 15:52:37,650 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 15:52:37,650 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_srvr_1a.cil.c [2022-01-10 15:52:37,658 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70d25de47/cc5370776ade493aa97f779ac74300f9/FLAGa4e6e7787 [2022-01-10 15:52:37,668 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70d25de47/cc5370776ade493aa97f779ac74300f9 [2022-01-10 15:52:37,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 15:52:37,672 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 15:52:37,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 15:52:37,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 15:52:37,676 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 15:52:37,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 03:52:37" (1/1) ... [2022-01-10 15:52:37,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@563cd904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:52:37, skipping insertion in model container [2022-01-10 15:52:37,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 03:52:37" (1/1) ... [2022-01-10 15:52:37,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 15:52:37,703 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 15:52:37,903 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_srvr_1a.cil.c[14184,14197] [2022-01-10 15:52:37,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 15:52:37,914 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 15:52:37,941 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_srvr_1a.cil.c[14184,14197] [2022-01-10 15:52:37,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 15:52:37,955 INFO L208 MainTranslator]: Completed translation [2022-01-10 15:52:37,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:52:37 WrapperNode [2022-01-10 15:52:37,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 15:52:37,956 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 15:52:37,956 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 15:52:37,956 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 15:52:37,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:52:37" (1/1) ... [2022-01-10 15:52:37,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:52:37" (1/1) ... [2022-01-10 15:52:37,983 INFO L137 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 135 [2022-01-10 15:52:37,984 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 15:52:37,984 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 15:52:37,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 15:52:37,984 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 15:52:37,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:52:37" (1/1) ... [2022-01-10 15:52:37,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:52:37" (1/1) ... [2022-01-10 15:52:37,998 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:52:37" (1/1) ... [2022-01-10 15:52:37,999 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:52:37" (1/1) ... [2022-01-10 15:52:38,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:52:37" (1/1) ... [2022-01-10 15:52:38,010 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:52:37" (1/1) ... [2022-01-10 15:52:38,011 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:52:37" (1/1) ... [2022-01-10 15:52:38,012 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 15:52:38,013 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 15:52:38,013 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 15:52:38,013 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 15:52:38,017 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:52:37" (1/1) ... [2022-01-10 15:52:38,022 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 15:52:38,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 15:52:38,050 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) [2022-01-10 15:52:38,065 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 [2022-01-10 15:52:38,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 15:52:38,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 15:52:38,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 15:52:38,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 15:52:38,126 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 15:52:38,127 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 15:52:38,259 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 15:52:38,263 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 15:52:38,263 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 15:52:38,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:52:38 BoogieIcfgContainer [2022-01-10 15:52:38,264 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 15:52:38,265 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 15:52:38,265 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 15:52:38,280 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 15:52:38,282 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:52:38" (1/1) ... [2022-01-10 15:52:38,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 03:52:38 BasicIcfg [2022-01-10 15:52:38,367 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 15:52:38,369 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 15:52:38,374 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 15:52:38,376 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 15:52:38,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 03:52:37" (1/4) ... [2022-01-10 15:52:38,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@706a054f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 03:52:38, skipping insertion in model container [2022-01-10 15:52:38,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:52:37" (2/4) ... [2022-01-10 15:52:38,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@706a054f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 03:52:38, skipping insertion in model container [2022-01-10 15:52:38,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:52:38" (3/4) ... [2022-01-10 15:52:38,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@706a054f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 03:52:38, skipping insertion in model container [2022-01-10 15:52:38,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 03:52:38" (4/4) ... [2022-01-10 15:52:38,378 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_1a.cil.cTransformedIcfg [2022-01-10 15:52:38,382 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 15:52:38,382 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 15:52:38,418 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 15:52:38,423 INFO L339 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=PETRI_NET, 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, mLoopAccelerationTechnique=FAST_UPR [2022-01-10 15:52:38,423 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 15:52:38,435 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 44 states have (on average 1.7045454545454546) internal successors, (75), 45 states have internal predecessors, (75), 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) [2022-01-10 15:52:38,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-01-10 15:52:38,438 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:52:38,438 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-01-10 15:52:38,438 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:52:38,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:52:38,442 INFO L85 PathProgramCache]: Analyzing trace with hash 216661066, now seen corresponding path program 1 times [2022-01-10 15:52:38,448 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:52:38,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709002084] [2022-01-10 15:52:38,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:52:38,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:52:38,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:52:38,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 15:52:38,624 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:52:38,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709002084] [2022-01-10 15:52:38,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709002084] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:52:38,624 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:52:38,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:52:38,626 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373429691] [2022-01-10 15:52:38,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:52:38,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:52:38,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:52:38,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:52:38,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:52:38,653 INFO L87 Difference]: Start difference. First operand has 46 states, 44 states have (on average 1.7045454545454546) internal successors, (75), 45 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-01-10 15:52:38,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:52:38,735 INFO L93 Difference]: Finished difference Result 131 states and 218 transitions. [2022-01-10 15:52:38,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:52:38,737 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-01-10 15:52:38,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:52:38,743 INFO L225 Difference]: With dead ends: 131 [2022-01-10 15:52:38,743 INFO L226 Difference]: Without dead ends: 79 [2022-01-10 15:52:38,745 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:52:38,747 INFO L933 BasicCegarLoop]: 65 mSDtfsCounter, 59 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 15:52:38,747 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [59 Valid, 122 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 15:52:38,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-01-10 15:52:38,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2022-01-10 15:52:38,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 78 states have (on average 1.5512820512820513) internal successors, (121), 78 states have internal predecessors, (121), 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) [2022-01-10 15:52:38,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 121 transitions. [2022-01-10 15:52:38,780 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 121 transitions. Word has length 5 [2022-01-10 15:52:38,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:52:38,780 INFO L470 AbstractCegarLoop]: Abstraction has 79 states and 121 transitions. [2022-01-10 15:52:38,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-01-10 15:52:38,781 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 121 transitions. [2022-01-10 15:52:38,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-01-10 15:52:38,781 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:52:38,781 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:52:38,781 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 15:52:38,782 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:52:38,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:52:38,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1686910333, now seen corresponding path program 1 times [2022-01-10 15:52:38,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:52:38,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15449332] [2022-01-10 15:52:38,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:52:38,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:52:38,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:52:38,825 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 15:52:38,826 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:52:38,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15449332] [2022-01-10 15:52:38,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15449332] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:52:38,826 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:52:38,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:52:38,826 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471224616] [2022-01-10 15:52:38,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:52:38,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:52:38,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:52:38,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:52:38,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:52:38,828 INFO L87 Difference]: Start difference. First operand 79 states and 121 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-01-10 15:52:38,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:52:38,870 INFO L93 Difference]: Finished difference Result 157 states and 248 transitions. [2022-01-10 15:52:38,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:52:38,870 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-01-10 15:52:38,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:52:38,872 INFO L225 Difference]: With dead ends: 157 [2022-01-10 15:52:38,872 INFO L226 Difference]: Without dead ends: 117 [2022-01-10 15:52:38,872 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:52:38,873 INFO L933 BasicCegarLoop]: 57 mSDtfsCounter, 54 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 15:52:38,873 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 108 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 15:52:38,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2022-01-10 15:52:38,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2022-01-10 15:52:38,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 116 states have (on average 1.543103448275862) internal successors, (179), 116 states have internal predecessors, (179), 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) [2022-01-10 15:52:38,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 179 transitions. [2022-01-10 15:52:38,888 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 179 transitions. Word has length 10 [2022-01-10 15:52:38,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:52:38,888 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 179 transitions. [2022-01-10 15:52:38,888 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-01-10 15:52:38,889 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 179 transitions. [2022-01-10 15:52:38,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-01-10 15:52:38,889 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:52:38,889 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:52:38,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 15:52:38,890 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:52:38,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:52:38,890 INFO L85 PathProgramCache]: Analyzing trace with hash -929930990, now seen corresponding path program 1 times [2022-01-10 15:52:38,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:52:38,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160146862] [2022-01-10 15:52:38,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:52:38,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:52:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:52:38,939 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 15:52:38,939 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:52:38,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160146862] [2022-01-10 15:52:38,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160146862] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:52:38,940 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:52:38,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:52:38,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839215592] [2022-01-10 15:52:38,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:52:38,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:52:38,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:52:38,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:52:38,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:52:38,941 INFO L87 Difference]: Start difference. First operand 117 states and 179 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2022-01-10 15:52:39,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:52:39,008 INFO L93 Difference]: Finished difference Result 276 states and 433 transitions. [2022-01-10 15:52:39,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:52:39,009 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-01-10 15:52:39,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:52:39,010 INFO L225 Difference]: With dead ends: 276 [2022-01-10 15:52:39,010 INFO L226 Difference]: Without dead ends: 161 [2022-01-10 15:52:39,011 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:52:39,011 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 19 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 15:52:39,012 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 85 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 15:52:39,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2022-01-10 15:52:39,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 153. [2022-01-10 15:52:39,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 152 states have (on average 1.4144736842105263) internal successors, (215), 152 states have internal predecessors, (215), 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) [2022-01-10 15:52:39,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 215 transitions. [2022-01-10 15:52:39,036 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 215 transitions. Word has length 16 [2022-01-10 15:52:39,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:52:39,036 INFO L470 AbstractCegarLoop]: Abstraction has 153 states and 215 transitions. [2022-01-10 15:52:39,036 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2022-01-10 15:52:39,037 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 215 transitions. [2022-01-10 15:52:39,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-01-10 15:52:39,037 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:52:39,037 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:52:39,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-10 15:52:39,037 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:52:39,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:52:39,038 INFO L85 PathProgramCache]: Analyzing trace with hash -929901199, now seen corresponding path program 1 times [2022-01-10 15:52:39,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:52:39,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202790683] [2022-01-10 15:52:39,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:52:39,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:52:39,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:52:39,076 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 15:52:39,077 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:52:39,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202790683] [2022-01-10 15:52:39,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202790683] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:52:39,077 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:52:39,077 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:52:39,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811939769] [2022-01-10 15:52:39,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:52:39,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:52:39,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:52:39,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:52:39,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:52:39,078 INFO L87 Difference]: Start difference. First operand 153 states and 215 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2022-01-10 15:52:39,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:52:39,109 INFO L93 Difference]: Finished difference Result 305 states and 436 transitions. [2022-01-10 15:52:39,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:52:39,110 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-01-10 15:52:39,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:52:39,111 INFO L225 Difference]: With dead ends: 305 [2022-01-10 15:52:39,111 INFO L226 Difference]: Without dead ends: 203 [2022-01-10 15:52:39,111 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:52:39,112 INFO L933 BasicCegarLoop]: 56 mSDtfsCounter, 54 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 15:52:39,113 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 107 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 15:52:39,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2022-01-10 15:52:39,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2022-01-10 15:52:39,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 202 states have (on average 1.4158415841584158) internal successors, (286), 202 states have internal predecessors, (286), 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) [2022-01-10 15:52:39,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 286 transitions. [2022-01-10 15:52:39,128 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 286 transitions. Word has length 16 [2022-01-10 15:52:39,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:52:39,128 INFO L470 AbstractCegarLoop]: Abstraction has 203 states and 286 transitions. [2022-01-10 15:52:39,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2022-01-10 15:52:39,128 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 286 transitions. [2022-01-10 15:52:39,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-01-10 15:52:39,129 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:52:39,130 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:52:39,130 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-10 15:52:39,130 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:52:39,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:52:39,130 INFO L85 PathProgramCache]: Analyzing trace with hash -2137296741, now seen corresponding path program 1 times [2022-01-10 15:52:39,130 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:52:39,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335930361] [2022-01-10 15:52:39,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:52:39,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:52:39,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:52:39,170 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-01-10 15:52:39,170 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:52:39,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335930361] [2022-01-10 15:52:39,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335930361] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:52:39,170 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:52:39,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:52:39,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41580879] [2022-01-10 15:52:39,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:52:39,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:52:39,171 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:52:39,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:52:39,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:52:39,172 INFO L87 Difference]: Start difference. First operand 203 states and 286 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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) [2022-01-10 15:52:39,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:52:39,208 INFO L93 Difference]: Finished difference Result 407 states and 579 transitions. [2022-01-10 15:52:39,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:52:39,208 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2022-01-10 15:52:39,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:52:39,210 INFO L225 Difference]: With dead ends: 407 [2022-01-10 15:52:39,210 INFO L226 Difference]: Without dead ends: 255 [2022-01-10 15:52:39,212 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:52:39,218 INFO L933 BasicCegarLoop]: 54 mSDtfsCounter, 42 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 15:52:39,218 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 105 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 15:52:39,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2022-01-10 15:52:39,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 253. [2022-01-10 15:52:39,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 252 states have (on average 1.4246031746031746) internal successors, (359), 252 states have internal predecessors, (359), 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) [2022-01-10 15:52:39,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 359 transitions. [2022-01-10 15:52:39,252 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 359 transitions. Word has length 45 [2022-01-10 15:52:39,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:52:39,252 INFO L470 AbstractCegarLoop]: Abstraction has 253 states and 359 transitions. [2022-01-10 15:52:39,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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) [2022-01-10 15:52:39,252 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 359 transitions. [2022-01-10 15:52:39,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-01-10 15:52:39,254 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:52:39,254 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:52:39,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-10 15:52:39,254 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:52:39,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:52:39,255 INFO L85 PathProgramCache]: Analyzing trace with hash 685922292, now seen corresponding path program 1 times [2022-01-10 15:52:39,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:52:39,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913072540] [2022-01-10 15:52:39,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:52:39,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:52:39,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:52:39,304 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-01-10 15:52:39,304 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:52:39,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913072540] [2022-01-10 15:52:39,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913072540] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:52:39,304 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:52:39,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:52:39,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382758818] [2022-01-10 15:52:39,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:52:39,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:52:39,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:52:39,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:52:39,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:52:39,306 INFO L87 Difference]: Start difference. First operand 253 states and 359 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2022-01-10 15:52:39,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:52:39,365 INFO L93 Difference]: Finished difference Result 512 states and 739 transitions. [2022-01-10 15:52:39,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:52:39,366 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2022-01-10 15:52:39,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:52:39,367 INFO L225 Difference]: With dead ends: 512 [2022-01-10 15:52:39,367 INFO L226 Difference]: Without dead ends: 185 [2022-01-10 15:52:39,367 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:52:39,368 INFO L933 BasicCegarLoop]: 66 mSDtfsCounter, 21 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 15:52:39,368 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 80 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 15:52:39,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2022-01-10 15:52:39,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 182. [2022-01-10 15:52:39,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 181 states have (on average 1.3259668508287292) internal successors, (240), 181 states have internal predecessors, (240), 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) [2022-01-10 15:52:39,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 240 transitions. [2022-01-10 15:52:39,377 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 240 transitions. Word has length 48 [2022-01-10 15:52:39,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:52:39,377 INFO L470 AbstractCegarLoop]: Abstraction has 182 states and 240 transitions. [2022-01-10 15:52:39,377 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2022-01-10 15:52:39,377 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 240 transitions. [2022-01-10 15:52:39,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-01-10 15:52:39,379 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:52:39,379 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:52:39,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-10 15:52:39,379 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:52:39,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:52:39,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1230772396, now seen corresponding path program 1 times [2022-01-10 15:52:39,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:52:39,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070736971] [2022-01-10 15:52:39,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:52:39,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:52:39,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:52:39,422 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-01-10 15:52:39,422 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:52:39,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070736971] [2022-01-10 15:52:39,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070736971] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:52:39,422 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:52:39,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:52:39,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708154578] [2022-01-10 15:52:39,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:52:39,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:52:39,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:52:39,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:52:39,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:52:39,423 INFO L87 Difference]: Start difference. First operand 182 states and 240 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2022-01-10 15:52:39,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:52:39,433 INFO L93 Difference]: Finished difference Result 301 states and 371 transitions. [2022-01-10 15:52:39,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:52:39,434 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-01-10 15:52:39,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:52:39,434 INFO L225 Difference]: With dead ends: 301 [2022-01-10 15:52:39,434 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 15:52:39,435 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:52:39,435 INFO L933 BasicCegarLoop]: 72 mSDtfsCounter, 2 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 15:52:39,435 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 128 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 15:52:39,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 15:52:39,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 15:52:39,436 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) [2022-01-10 15:52:39,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 15:52:39,436 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2022-01-10 15:52:39,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:52:39,436 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 15:52:39,436 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2022-01-10 15:52:39,436 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 15:52:39,436 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 15:52:39,438 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 15:52:39,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-10 15:52:39,440 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 15:52:39,710 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 15:52:39,710 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 15:52:39,711 INFO L854 garLoopResultBuilder]: At program point L188(lines 34 223) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ULTIMATE.start_main_~blastFlag~0#1Int| 3)) (.cse1 (<= (div |ULTIMATE.start_ULTIMATE.start_main_~s__state~0#1Int| 2147483648) 0))) (or (and .cse0 .cse1 (<= 8656 |ULTIMATE.start_ULTIMATE.start_main_~s__state~0#1Int|)) (and .cse0 (not (= |ULTIMATE.start_ULTIMATE.start_main_~s__hit~0#1Int| 0)) .cse1 (<= 8640 |ULTIMATE.start_ULTIMATE.start_main_~s__state~0#1Int|)) (and (<= |ULTIMATE.start_ULTIMATE.start_main_~blastFlag~0#1Int| 2) (< 0 (+ 1 (div |ULTIMATE.start_ULTIMATE.start_main_~blastFlag~0#1Int| 2147483648)))))) [2022-01-10 15:52:39,711 INFO L861 garLoopResultBuilder]: At program point L225(lines 20 229) the Hoare annotation is: true [2022-01-10 15:52:39,711 INFO L858 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2022-01-10 15:52:39,711 INFO L861 garLoopResultBuilder]: At program point L228(lines 20 229) the Hoare annotation is: true [2022-01-10 15:52:39,711 INFO L854 garLoopResultBuilder]: At program point L185(lines 20 229) the Hoare annotation is: false [2022-01-10 15:52:39,711 INFO L858 garLoopResultBuilder]: For program point L41(lines 41 216) no Hoare annotation was computed. [2022-01-10 15:52:39,711 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 15:52:39,711 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 227) no Hoare annotation was computed. [2022-01-10 15:52:39,711 INFO L854 garLoopResultBuilder]: At program point L42(lines 41 216) the Hoare annotation is: (and (<= |ULTIMATE.start_ULTIMATE.start_main_~blastFlag~0#1Int| 2) (< 0 (+ 1 (div |ULTIMATE.start_ULTIMATE.start_main_~blastFlag~0#1Int| 2147483648)))) [2022-01-10 15:52:39,712 INFO L858 garLoopResultBuilder]: For program point L44(lines 44 215) no Hoare annotation was computed. [2022-01-10 15:52:39,712 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 15:52:39,712 INFO L858 garLoopResultBuilder]: For program point L90-1(lines 90 92) no Hoare annotation was computed. [2022-01-10 15:52:39,712 INFO L854 garLoopResultBuilder]: At program point L45(lines 44 215) the Hoare annotation is: (and (<= |ULTIMATE.start_ULTIMATE.start_main_~blastFlag~0#1Int| 2) (< 0 (+ 1 (div |ULTIMATE.start_ULTIMATE.start_main_~blastFlag~0#1Int| 2147483648)))) [2022-01-10 15:52:39,712 INFO L858 garLoopResultBuilder]: For program point L48(lines 48 213) no Hoare annotation was computed. [2022-01-10 15:52:39,712 INFO L858 garLoopResultBuilder]: For program point L97-1(lines 86 195) no Hoare annotation was computed. [2022-01-10 15:52:39,712 INFO L854 garLoopResultBuilder]: At program point L49(lines 48 213) the Hoare annotation is: (and (<= |ULTIMATE.start_ULTIMATE.start_main_~blastFlag~0#1Int| 2) (< 0 (+ 1 (div |ULTIMATE.start_ULTIMATE.start_main_~blastFlag~0#1Int| 2147483648)))) [2022-01-10 15:52:39,712 INFO L858 garLoopResultBuilder]: For program point L52(lines 52 211) no Hoare annotation was computed. [2022-01-10 15:52:39,712 INFO L854 garLoopResultBuilder]: At program point L53(lines 52 211) the Hoare annotation is: (and (<= |ULTIMATE.start_ULTIMATE.start_main_~blastFlag~0#1Int| 2) (< 0 (+ 1 (div |ULTIMATE.start_ULTIMATE.start_main_~blastFlag~0#1Int| 2147483648)))) [2022-01-10 15:52:39,712 INFO L858 garLoopResultBuilder]: For program point L56(lines 56 209) no Hoare annotation was computed. [2022-01-10 15:52:39,712 INFO L854 garLoopResultBuilder]: At program point L57(lines 56 209) the Hoare annotation is: (and (<= |ULTIMATE.start_ULTIMATE.start_main_~blastFlag~0#1Int| 2) (< 0 (+ 1 (div |ULTIMATE.start_ULTIMATE.start_main_~blastFlag~0#1Int| 2147483648)))) [2022-01-10 15:52:39,712 INFO L858 garLoopResultBuilder]: For program point L60(lines 60 207) no Hoare annotation was computed. [2022-01-10 15:52:39,712 INFO L858 garLoopResultBuilder]: For program point L117(lines 117 135) no Hoare annotation was computed. [2022-01-10 15:52:39,713 INFO L854 garLoopResultBuilder]: At program point L61(lines 60 207) the Hoare annotation is: (and (<= |ULTIMATE.start_ULTIMATE.start_main_~blastFlag~0#1Int| 2) (< 0 (+ 1 (div |ULTIMATE.start_ULTIMATE.start_main_~blastFlag~0#1Int| 2147483648)))) [2022-01-10 15:52:39,713 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 205) no Hoare annotation was computed. [2022-01-10 15:52:39,713 INFO L858 garLoopResultBuilder]: For program point L118(lines 118 122) no Hoare annotation was computed. [2022-01-10 15:52:39,713 INFO L854 garLoopResultBuilder]: At program point L124(lines 117 135) the Hoare annotation is: (and (<= |ULTIMATE.start_ULTIMATE.start_main_~blastFlag~0#1Int| 2) (< 0 (+ 1 (div |ULTIMATE.start_ULTIMATE.start_main_~blastFlag~0#1Int| 2147483648)))) [2022-01-10 15:52:39,713 INFO L854 garLoopResultBuilder]: At program point L65(lines 64 205) the Hoare annotation is: (and (<= |ULTIMATE.start_ULTIMATE.start_main_~blastFlag~0#1Int| 2) (< 0 (+ 1 (div |ULTIMATE.start_ULTIMATE.start_main_~blastFlag~0#1Int| 2147483648)))) [2022-01-10 15:52:39,713 INFO L858 garLoopResultBuilder]: For program point L68(lines 68 203) no Hoare annotation was computed. [2022-01-10 15:52:39,713 INFO L858 garLoopResultBuilder]: For program point L126(lines 126 130) no Hoare annotation was computed. [2022-01-10 15:52:39,713 INFO L854 garLoopResultBuilder]: At program point L132(lines 125 134) the Hoare annotation is: (and (<= |ULTIMATE.start_ULTIMATE.start_main_~blastFlag~0#1Int| 2) (< 0 (+ 1 (div |ULTIMATE.start_ULTIMATE.start_main_~blastFlag~0#1Int| 2147483648)))) [2022-01-10 15:52:39,713 INFO L858 garLoopResultBuilder]: For program point L147(lines 147 151) no Hoare annotation was computed. [2022-01-10 15:52:39,713 INFO L854 garLoopResultBuilder]: At program point L69(lines 68 203) the Hoare annotation is: (and (<= |ULTIMATE.start_ULTIMATE.start_main_~blastFlag~0#1Int| 2) (< 0 (+ 1 (div |ULTIMATE.start_ULTIMATE.start_main_~blastFlag~0#1Int| 2147483648)))) [2022-01-10 15:52:39,713 INFO L858 garLoopResultBuilder]: For program point L72(lines 72 201) no Hoare annotation was computed. [2022-01-10 15:52:39,713 INFO L854 garLoopResultBuilder]: At program point L73(lines 72 201) the Hoare annotation is: (and (<= |ULTIMATE.start_ULTIMATE.start_main_~blastFlag~0#1Int| 2) (< 0 (+ 1 (div |ULTIMATE.start_ULTIMATE.start_main_~blastFlag~0#1Int| 2147483648)))) [2022-01-10 15:52:39,713 INFO L858 garLoopResultBuilder]: For program point L76(lines 76 199) no Hoare annotation was computed. [2022-01-10 15:52:39,714 INFO L854 garLoopResultBuilder]: At program point L77(lines 76 199) the Hoare annotation is: (let ((.cse0 (<= (div |ULTIMATE.start_ULTIMATE.start_main_~s__state~0#1Int| 2147483648) 0)) (.cse1 (<= 8640 |ULTIMATE.start_ULTIMATE.start_main_~s__state~0#1Int|))) (or (and (<= |ULTIMATE.start_ULTIMATE.start_main_~blastFlag~0#1Int| 2) (< 0 (+ 1 (div |ULTIMATE.start_ULTIMATE.start_main_~blastFlag~0#1Int| 2147483648))) .cse0 .cse1) (and (<= |ULTIMATE.start_ULTIMATE.start_main_~blastFlag~0#1Int| 3) (not (= |ULTIMATE.start_ULTIMATE.start_main_~s__hit~0#1Int| 0)) .cse0 .cse1))) [2022-01-10 15:52:39,714 INFO L858 garLoopResultBuilder]: For program point L80(lines 80 197) no Hoare annotation was computed. [2022-01-10 15:52:39,714 INFO L858 garLoopResultBuilder]: For program point L163-1(lines 86 195) no Hoare annotation was computed. [2022-01-10 15:52:39,714 INFO L854 garLoopResultBuilder]: At program point L81(lines 80 197) the Hoare annotation is: (and (<= |ULTIMATE.start_ULTIMATE.start_main_~blastFlag~0#1Int| 3) (<= (div |ULTIMATE.start_ULTIMATE.start_main_~s__state~0#1Int| 2147483648) 0) (<= 8656 |ULTIMATE.start_ULTIMATE.start_main_~s__state~0#1Int|)) [2022-01-10 15:52:39,714 INFO L858 garLoopResultBuilder]: For program point L84(lines 84 195) no Hoare annotation was computed. [2022-01-10 15:52:39,714 INFO L858 garLoopResultBuilder]: For program point L174-1(lines 174 176) no Hoare annotation was computed. [2022-01-10 15:52:39,714 INFO L854 garLoopResultBuilder]: At program point L85(lines 84 195) the Hoare annotation is: (and (<= |ULTIMATE.start_ULTIMATE.start_main_~blastFlag~0#1Int| 3) (<= (div |ULTIMATE.start_ULTIMATE.start_main_~s__state~0#1Int| 2147483648) 0) (<= 8656 |ULTIMATE.start_ULTIMATE.start_main_~s__state~0#1Int|)) [2022-01-10 15:52:39,714 INFO L858 garLoopResultBuilder]: For program point L181-1(lines 86 195) no Hoare annotation was computed. [2022-01-10 15:52:39,714 INFO L858 garLoopResultBuilder]: For program point L184(lines 184 186) no Hoare annotation was computed. [2022-01-10 15:52:39,716 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:52:39,717 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 15:52:39,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 03:52:39 BasicIcfg [2022-01-10 15:52:39,764 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 15:52:39,765 INFO L158 Benchmark]: Toolchain (without parser) took 2092.59ms. Allocated memory was 207.6MB in the beginning and 268.4MB in the end (delta: 60.8MB). Free memory was 156.6MB in the beginning and 222.8MB in the end (delta: -66.3MB). Peak memory consumption was 129.5MB. Max. memory is 8.0GB. [2022-01-10 15:52:39,765 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 207.6MB. Free memory is still 173.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 15:52:39,765 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.29ms. Allocated memory was 207.6MB in the beginning and 268.4MB in the end (delta: 60.8MB). Free memory was 156.3MB in the beginning and 244.9MB in the end (delta: -88.6MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. [2022-01-10 15:52:39,765 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.04ms. Allocated memory is still 268.4MB. Free memory was 244.9MB in the beginning and 243.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 15:52:39,766 INFO L158 Benchmark]: Boogie Preprocessor took 27.99ms. Allocated memory is still 268.4MB. Free memory was 243.4MB in the beginning and 241.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 15:52:39,766 INFO L158 Benchmark]: RCFGBuilder took 251.60ms. Allocated memory is still 268.4MB. Free memory was 241.8MB in the beginning and 228.2MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-01-10 15:52:39,766 INFO L158 Benchmark]: IcfgTransformer took 102.67ms. Allocated memory is still 268.4MB. Free memory was 227.6MB in the beginning and 223.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-01-10 15:52:39,766 INFO L158 Benchmark]: TraceAbstraction took 1395.71ms. Allocated memory is still 268.4MB. Free memory was 222.9MB in the beginning and 222.8MB in the end (delta: 81.1kB). Peak memory consumption was 134.2MB. Max. memory is 8.0GB. [2022-01-10 15:52:39,768 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 207.6MB. Free memory is still 173.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 281.29ms. Allocated memory was 207.6MB in the beginning and 268.4MB in the end (delta: 60.8MB). Free memory was 156.3MB in the beginning and 244.9MB in the end (delta: -88.6MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 28.04ms. Allocated memory is still 268.4MB. Free memory was 244.9MB in the beginning and 243.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.99ms. Allocated memory is still 268.4MB. Free memory was 243.4MB in the beginning and 241.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 251.60ms. Allocated memory is still 268.4MB. Free memory was 241.8MB in the beginning and 228.2MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * IcfgTransformer took 102.67ms. Allocated memory is still 268.4MB. Free memory was 227.6MB in the beginning and 223.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * TraceAbstraction took 1395.71ms. Allocated memory is still 268.4MB. Free memory was 222.9MB in the beginning and 222.8MB in the end (delta: 81.1kB). Peak memory consumption was 134.2MB. 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: 227]: 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 1 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 7, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 251 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 251 mSDsluCounter, 735 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 297 mSDsCounter, 54 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 193 IncrementalHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 54 mSolverCounterUnsat, 438 mSDtfsCounter, 193 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=253occurred in iteration=5, InterpolantAutomatonStates: 21, 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, 7 MinimizatonAttempts, 13 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 18 PreInvPairs, 86 NumberOfFragments, 224 HoareAnnotationTreeSize, 18 FomulaSimplifications, 431 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 18 FomulaSimplificationsInter, 706 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 216 NumberOfCodeBlocks, 216 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 209 ConstructedInterpolants, 0 QuantifiedInterpolants, 501 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 193/193 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 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: ~bvult64(0bv2, ~bvadd16(1bv2, ~zero_extendFrom1To2(blastFlag[31:31]))) && ~bvule32(blastFlag, 2bv32) - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: (~bvule32(blastFlag, 3bv32) && ~bvule32(8656bv32, s__state)) && ~bvule1(s__state[31:31], 0bv1) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: (~bvule32(blastFlag, 3bv32) && ~bvule32(8656bv32, s__state)) && ~bvule1(s__state[31:31], 0bv1) - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: ~bvult64(0bv2, ~bvadd16(1bv2, ~zero_extendFrom1To2(blastFlag[31:31]))) && ~bvule32(blastFlag, 2bv32) - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: (((~bvule32(blastFlag, 3bv32) && ~bvule32(8640bv32, s__state)) && ~bvule1(s__state[31:31], 0bv1)) && !(s__hit == 0bv32)) || (((~bvult64(0bv2, ~bvadd16(1bv2, ~zero_extendFrom1To2(blastFlag[31:31]))) && ~bvule32(8640bv32, s__state)) && ~bvule1(s__state[31:31], 0bv1)) && ~bvule32(blastFlag, 2bv32)) - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: ~bvult64(0bv2, ~bvadd16(1bv2, ~zero_extendFrom1To2(blastFlag[31:31]))) && ~bvule32(blastFlag, 2bv32) - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: ~bvult64(0bv2, ~bvadd16(1bv2, ~zero_extendFrom1To2(blastFlag[31:31]))) && ~bvule32(blastFlag, 2bv32) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: ~bvult64(0bv2, ~bvadd16(1bv2, ~zero_extendFrom1To2(blastFlag[31:31]))) && ~bvule32(blastFlag, 2bv32) - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: ~bvult64(0bv2, ~bvadd16(1bv2, ~zero_extendFrom1To2(blastFlag[31:31]))) && ~bvule32(blastFlag, 2bv32) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: ~bvult64(0bv2, ~bvadd16(1bv2, ~zero_extendFrom1To2(blastFlag[31:31]))) && ~bvule32(blastFlag, 2bv32) - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: ~bvult64(0bv2, ~bvadd16(1bv2, ~zero_extendFrom1To2(blastFlag[31:31]))) && ~bvule32(blastFlag, 2bv32) - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: ~bvult64(0bv2, ~bvadd16(1bv2, ~zero_extendFrom1To2(blastFlag[31:31]))) && ~bvule32(blastFlag, 2bv32) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: ~bvult64(0bv2, ~bvadd16(1bv2, ~zero_extendFrom1To2(blastFlag[31:31]))) && ~bvule32(blastFlag, 2bv32) - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((~bvule32(blastFlag, 3bv32) && ~bvule32(8656bv32, s__state)) && ~bvule1(s__state[31:31], 0bv1)) || (((~bvule32(blastFlag, 3bv32) && ~bvule32(8640bv32, s__state)) && ~bvule1(s__state[31:31], 0bv1)) && !(s__hit == 0bv32))) || (~bvult64(0bv2, ~bvadd16(1bv2, ~zero_extendFrom1To2(blastFlag[31:31]))) && ~bvule32(blastFlag, 2bv32)) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ~bvult64(0bv2, ~bvadd16(1bv2, ~zero_extendFrom1To2(blastFlag[31:31]))) && ~bvule32(blastFlag, 2bv32) RESULT: Ultimate proved your program to be correct! [2022-01-10 15:52:39,824 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...