/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_SUM.epf -i ../../../trunk/examples/svcomp/openssl-simplified/s3_srvr_1a.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-11 03:30:19,524 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-11 03:30:19,526 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-11 03:30:19,581 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-11 03:30:19,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-11 03:30:19,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-11 03:30:19,586 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-11 03:30:19,588 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-11 03:30:19,589 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-11 03:30:19,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-11 03:30:19,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-11 03:30:19,595 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-11 03:30:19,595 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-11 03:30:19,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-11 03:30:19,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-11 03:30:19,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-11 03:30:19,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-11 03:30:19,603 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-11 03:30:19,605 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-11 03:30:19,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-11 03:30:19,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-11 03:30:19,612 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-11 03:30:19,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-11 03:30:19,614 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-11 03:30:19,618 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-11 03:30:19,621 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-11 03:30:19,621 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-11 03:30:19,622 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-11 03:30:19,623 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-11 03:30:19,624 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-11 03:30:19,624 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-11 03:30:19,624 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-11 03:30:19,624 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-11 03:30:19,624 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-11 03:30:19,625 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-11 03:30:19,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-11 03:30:19,626 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_SUM.epf [2022-01-11 03:30:19,651 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-11 03:30:19,651 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-11 03:30:19,652 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-11 03:30:19,652 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-11 03:30:19,653 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-11 03:30:19,653 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-11 03:30:19,653 INFO L138 SettingsManager]: * Use SBE=true [2022-01-11 03:30:19,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-11 03:30:19,653 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-11 03:30:19,653 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-11 03:30:19,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-11 03:30:19,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-11 03:30:19,654 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-11 03:30:19,654 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-11 03:30:19,654 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-11 03:30:19,655 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-11 03:30:19,655 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-11 03:30:19,655 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-11 03:30:19,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-11 03:30:19,655 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-11 03:30:19,655 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-11 03:30:19,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 03:30:19,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-11 03:30:19,657 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-11 03:30:19,657 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-11 03:30:19,657 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-11 03:30:19,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-11 03:30:19,657 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-11 03:30:19,657 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-11 03:30:19,657 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-11 03:30:19,657 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-11 03:30:19,658 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-11 03:30:19,658 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-11 03:30:19,658 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_SUM 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-11 03:30:19,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-11 03:30:19,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-11 03:30:19,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-11 03:30:19,856 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-11 03:30:19,857 INFO L275 PluginConnector]: CDTParser initialized [2022-01-11 03:30:19,857 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl-simplified/s3_srvr_1a.cil.c [2022-01-11 03:30:19,931 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c81d9739/78e46ae2e1414bc8becf8fe4e5afdf6c/FLAG56d7b6062 [2022-01-11 03:30:20,266 INFO L306 CDTParser]: Found 1 translation units. [2022-01-11 03:30:20,267 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_srvr_1a.cil.c [2022-01-11 03:30:20,282 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c81d9739/78e46ae2e1414bc8becf8fe4e5afdf6c/FLAG56d7b6062 [2022-01-11 03:30:20,694 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c81d9739/78e46ae2e1414bc8becf8fe4e5afdf6c [2022-01-11 03:30:20,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-11 03:30:20,710 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-11 03:30:20,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-11 03:30:20,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-11 03:30:20,715 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-11 03:30:20,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 03:30:20" (1/1) ... [2022-01-11 03:30:20,716 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58eeabd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:30:20, skipping insertion in model container [2022-01-11 03:30:20,716 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 03:30:20" (1/1) ... [2022-01-11 03:30:20,721 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-11 03:30:20,737 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-11 03:30:20,949 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] [2022-01-11 03:30:20,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 03:30:20,962 INFO L203 MainTranslator]: Completed pre-run [2022-01-11 03:30:21,010 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] [2022-01-11 03:30:21,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 03:30:21,036 INFO L208 MainTranslator]: Completed translation [2022-01-11 03:30:21,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:30:21 WrapperNode [2022-01-11 03:30:21,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-11 03:30:21,053 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-11 03:30:21,053 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-11 03:30:21,053 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-11 03:30:21,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:30:21" (1/1) ... [2022-01-11 03:30:21,077 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:30:21" (1/1) ... [2022-01-11 03:30:21,094 INFO L137 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 135 [2022-01-11 03:30:21,094 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-11 03:30:21,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-11 03:30:21,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-11 03:30:21,111 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-11 03:30:21,116 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:30:21" (1/1) ... [2022-01-11 03:30:21,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:30:21" (1/1) ... [2022-01-11 03:30:21,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:30:21" (1/1) ... [2022-01-11 03:30:21,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:30:21" (1/1) ... [2022-01-11 03:30:21,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:30:21" (1/1) ... [2022-01-11 03:30:21,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:30:21" (1/1) ... [2022-01-11 03:30:21,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:30:21" (1/1) ... [2022-01-11 03:30:21,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-11 03:30:21,138 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-11 03:30:21,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-11 03:30:21,138 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-11 03:30:21,154 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:30:21" (1/1) ... [2022-01-11 03:30:21,163 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 03:30:21,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 03:30:21,202 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) [2022-01-11 03:30:21,205 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 [2022-01-11 03:30:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-11 03:30:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-11 03:30:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-11 03:30:21,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-11 03:30:21,331 INFO L234 CfgBuilder]: Building ICFG [2022-01-11 03:30:21,332 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-11 03:30:21,530 INFO L275 CfgBuilder]: Performing block encoding [2022-01-11 03:30:21,534 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-11 03:30:21,534 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-11 03:30:21,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 03:30:21 BoogieIcfgContainer [2022-01-11 03:30:21,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-11 03:30:21,536 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-11 03:30:21,536 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-11 03:30:21,552 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-11 03:30:21,554 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 03:30:21" (1/1) ... [2022-01-11 03:30:21,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 03:30:21 BasicIcfg [2022-01-11 03:30:21,647 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-11 03:30:21,648 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-11 03:30:21,648 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-11 03:30:21,649 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-11 03:30:21,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.01 03:30:20" (1/4) ... [2022-01-11 03:30:21,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ded9b73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 03:30:21, skipping insertion in model container [2022-01-11 03:30:21,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:30:21" (2/4) ... [2022-01-11 03:30:21,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ded9b73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 03:30:21, skipping insertion in model container [2022-01-11 03:30:21,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 03:30:21" (3/4) ... [2022-01-11 03:30:21,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ded9b73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 03:30:21, skipping insertion in model container [2022-01-11 03:30:21,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 03:30:21" (4/4) ... [2022-01-11 03:30:21,656 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_1a.cil.cTransformedIcfg [2022-01-11 03:30:21,660 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-11 03:30:21,660 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-11 03:30:21,691 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-11 03:30:21,697 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 [2022-01-11 03:30:21,697 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-11 03:30:21,709 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) [2022-01-11 03:30:21,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-01-11 03:30:21,712 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 03:30:21,712 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-01-11 03:30:21,712 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 03:30:21,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 03:30:21,718 INFO L85 PathProgramCache]: Analyzing trace with hash 216661066, now seen corresponding path program 1 times [2022-01-11 03:30:21,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 03:30:21,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068558163] [2022-01-11 03:30:21,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 03:30:21,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 03:30:21,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 03:30:21,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 03:30:21,891 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 03:30:21,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068558163] [2022-01-11 03:30:21,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068558163] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 03:30:21,892 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 03:30:21,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 03:30:21,894 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865797442] [2022-01-11 03:30:21,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 03:30:21,897 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 03:30:21,897 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 03:30:21,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 03:30:21,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 03:30:21,920 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) [2022-01-11 03:30:21,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 03:30:21,992 INFO L93 Difference]: Finished difference Result 131 states and 218 transitions. [2022-01-11 03:30:21,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 03:30:21,994 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 [2022-01-11 03:30:21,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 03:30:22,000 INFO L225 Difference]: With dead ends: 131 [2022-01-11 03:30:22,000 INFO L226 Difference]: Without dead ends: 79 [2022-01-11 03:30:22,002 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 [2022-01-11 03:30:22,005 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 [2022-01-11 03:30:22,005 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] [2022-01-11 03:30:22,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-01-11 03:30:22,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2022-01-11 03:30:22,044 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) [2022-01-11 03:30:22,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 121 transitions. [2022-01-11 03:30:22,046 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 121 transitions. Word has length 5 [2022-01-11 03:30:22,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 03:30:22,046 INFO L470 AbstractCegarLoop]: Abstraction has 79 states and 121 transitions. [2022-01-11 03:30:22,047 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) [2022-01-11 03:30:22,047 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 121 transitions. [2022-01-11 03:30:22,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-01-11 03:30:22,056 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 03:30:22,056 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 03:30:22,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-11 03:30:22,057 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 03:30:22,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 03:30:22,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1686910333, now seen corresponding path program 1 times [2022-01-11 03:30:22,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 03:30:22,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878901549] [2022-01-11 03:30:22,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 03:30:22,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 03:30:22,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 03:30:22,172 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 03:30:22,173 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 03:30:22,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878901549] [2022-01-11 03:30:22,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878901549] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 03:30:22,173 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 03:30:22,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 03:30:22,174 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085861462] [2022-01-11 03:30:22,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 03:30:22,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 03:30:22,175 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 03:30:22,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 03:30:22,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 03:30:22,176 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) [2022-01-11 03:30:22,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 03:30:22,253 INFO L93 Difference]: Finished difference Result 157 states and 248 transitions. [2022-01-11 03:30:22,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 03:30:22,257 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 [2022-01-11 03:30:22,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 03:30:22,258 INFO L225 Difference]: With dead ends: 157 [2022-01-11 03:30:22,258 INFO L226 Difference]: Without dead ends: 117 [2022-01-11 03:30:22,259 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 [2022-01-11 03:30:22,260 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, 0.1s IncrementalHoareTripleChecker+Time [2022-01-11 03:30:22,260 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 108 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-11 03:30:22,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2022-01-11 03:30:22,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2022-01-11 03:30:22,274 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) [2022-01-11 03:30:22,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 179 transitions. [2022-01-11 03:30:22,281 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 179 transitions. Word has length 10 [2022-01-11 03:30:22,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 03:30:22,282 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 179 transitions. [2022-01-11 03:30:22,282 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) [2022-01-11 03:30:22,282 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 179 transitions. [2022-01-11 03:30:22,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-01-11 03:30:22,284 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 03:30:22,285 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 03:30:22,286 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-11 03:30:22,287 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 03:30:22,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 03:30:22,292 INFO L85 PathProgramCache]: Analyzing trace with hash -929930990, now seen corresponding path program 1 times [2022-01-11 03:30:22,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 03:30:22,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133104369] [2022-01-11 03:30:22,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 03:30:22,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 03:30:22,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 03:30:22,368 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-11 03:30:22,369 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 03:30:22,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133104369] [2022-01-11 03:30:22,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133104369] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 03:30:22,370 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 03:30:22,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 03:30:22,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271322585] [2022-01-11 03:30:22,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 03:30:22,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 03:30:22,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 03:30:22,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 03:30:22,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 03:30:22,372 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) [2022-01-11 03:30:22,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 03:30:22,478 INFO L93 Difference]: Finished difference Result 276 states and 433 transitions. [2022-01-11 03:30:22,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 03:30:22,478 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 [2022-01-11 03:30:22,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 03:30:22,479 INFO L225 Difference]: With dead ends: 276 [2022-01-11 03:30:22,479 INFO L226 Difference]: Without dead ends: 161 [2022-01-11 03:30:22,480 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 [2022-01-11 03:30:22,481 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 19 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2022-01-11 03:30:22,481 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] [2022-01-11 03:30:22,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2022-01-11 03:30:22,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 153. [2022-01-11 03:30:22,493 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) [2022-01-11 03:30:22,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 215 transitions. [2022-01-11 03:30:22,494 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 215 transitions. Word has length 16 [2022-01-11 03:30:22,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 03:30:22,494 INFO L470 AbstractCegarLoop]: Abstraction has 153 states and 215 transitions. [2022-01-11 03:30:22,494 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) [2022-01-11 03:30:22,494 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 215 transitions. [2022-01-11 03:30:22,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-01-11 03:30:22,495 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 03:30:22,495 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 03:30:22,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-11 03:30:22,517 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 03:30:22,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 03:30:22,518 INFO L85 PathProgramCache]: Analyzing trace with hash -929901199, now seen corresponding path program 1 times [2022-01-11 03:30:22,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 03:30:22,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637009956] [2022-01-11 03:30:22,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 03:30:22,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 03:30:22,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 03:30:22,569 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-11 03:30:22,570 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 03:30:22,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637009956] [2022-01-11 03:30:22,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637009956] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 03:30:22,570 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 03:30:22,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 03:30:22,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747403568] [2022-01-11 03:30:22,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 03:30:22,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 03:30:22,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 03:30:22,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 03:30:22,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 03:30:22,572 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) [2022-01-11 03:30:22,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 03:30:22,609 INFO L93 Difference]: Finished difference Result 305 states and 436 transitions. [2022-01-11 03:30:22,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 03:30:22,609 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 [2022-01-11 03:30:22,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 03:30:22,610 INFO L225 Difference]: With dead ends: 305 [2022-01-11 03:30:22,610 INFO L226 Difference]: Without dead ends: 203 [2022-01-11 03:30:22,611 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 [2022-01-11 03:30:22,612 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 [2022-01-11 03:30:22,612 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] [2022-01-11 03:30:22,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2022-01-11 03:30:22,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2022-01-11 03:30:22,625 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) [2022-01-11 03:30:22,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 286 transitions. [2022-01-11 03:30:22,626 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 286 transitions. Word has length 16 [2022-01-11 03:30:22,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 03:30:22,626 INFO L470 AbstractCegarLoop]: Abstraction has 203 states and 286 transitions. [2022-01-11 03:30:22,626 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) [2022-01-11 03:30:22,626 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 286 transitions. [2022-01-11 03:30:22,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-01-11 03:30:22,628 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 03:30:22,628 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] [2022-01-11 03:30:22,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-11 03:30:22,628 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 03:30:22,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 03:30:22,629 INFO L85 PathProgramCache]: Analyzing trace with hash -2137296741, now seen corresponding path program 1 times [2022-01-11 03:30:22,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 03:30:22,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608204788] [2022-01-11 03:30:22,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 03:30:22,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 03:30:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 03:30:22,667 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-01-11 03:30:22,668 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 03:30:22,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608204788] [2022-01-11 03:30:22,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608204788] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 03:30:22,668 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 03:30:22,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 03:30:22,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340877008] [2022-01-11 03:30:22,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 03:30:22,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 03:30:22,669 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 03:30:22,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 03:30:22,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 03:30:22,670 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) [2022-01-11 03:30:22,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 03:30:22,702 INFO L93 Difference]: Finished difference Result 407 states and 579 transitions. [2022-01-11 03:30:22,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 03:30:22,702 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 [2022-01-11 03:30:22,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 03:30:22,703 INFO L225 Difference]: With dead ends: 407 [2022-01-11 03:30:22,703 INFO L226 Difference]: Without dead ends: 255 [2022-01-11 03:30:22,704 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 [2022-01-11 03:30:22,705 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 [2022-01-11 03:30:22,705 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] [2022-01-11 03:30:22,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2022-01-11 03:30:22,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 253. [2022-01-11 03:30:22,718 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) [2022-01-11 03:30:22,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 359 transitions. [2022-01-11 03:30:22,719 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 359 transitions. Word has length 45 [2022-01-11 03:30:22,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 03:30:22,720 INFO L470 AbstractCegarLoop]: Abstraction has 253 states and 359 transitions. [2022-01-11 03:30:22,720 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) [2022-01-11 03:30:22,720 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 359 transitions. [2022-01-11 03:30:22,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-01-11 03:30:22,721 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 03:30:22,721 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] [2022-01-11 03:30:22,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-11 03:30:22,722 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 03:30:22,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 03:30:22,722 INFO L85 PathProgramCache]: Analyzing trace with hash 685922292, now seen corresponding path program 1 times [2022-01-11 03:30:22,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 03:30:22,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952140276] [2022-01-11 03:30:22,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 03:30:22,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 03:30:22,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 03:30:22,768 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-01-11 03:30:22,768 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 03:30:22,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952140276] [2022-01-11 03:30:22,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952140276] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 03:30:22,768 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 03:30:22,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 03:30:22,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951755707] [2022-01-11 03:30:22,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 03:30:22,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 03:30:22,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 03:30:22,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 03:30:22,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 03:30:22,770 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) [2022-01-11 03:30:22,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 03:30:22,829 INFO L93 Difference]: Finished difference Result 512 states and 739 transitions. [2022-01-11 03:30:22,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 03:30:22,829 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 [2022-01-11 03:30:22,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 03:30:22,830 INFO L225 Difference]: With dead ends: 512 [2022-01-11 03:30:22,830 INFO L226 Difference]: Without dead ends: 185 [2022-01-11 03:30:22,831 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 [2022-01-11 03:30:22,832 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 [2022-01-11 03:30:22,832 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] [2022-01-11 03:30:22,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2022-01-11 03:30:22,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 182. [2022-01-11 03:30:22,839 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) [2022-01-11 03:30:22,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 240 transitions. [2022-01-11 03:30:22,840 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 240 transitions. Word has length 48 [2022-01-11 03:30:22,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 03:30:22,840 INFO L470 AbstractCegarLoop]: Abstraction has 182 states and 240 transitions. [2022-01-11 03:30:22,840 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) [2022-01-11 03:30:22,840 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 240 transitions. [2022-01-11 03:30:22,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-01-11 03:30:22,842 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 03:30:22,842 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] [2022-01-11 03:30:22,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-11 03:30:22,842 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 03:30:22,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 03:30:22,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1230772396, now seen corresponding path program 1 times [2022-01-11 03:30:22,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 03:30:22,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801319513] [2022-01-11 03:30:22,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 03:30:22,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 03:30:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 03:30:22,883 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-01-11 03:30:22,883 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 03:30:22,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801319513] [2022-01-11 03:30:22,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801319513] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 03:30:22,884 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 03:30:22,884 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 03:30:22,884 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092958542] [2022-01-11 03:30:22,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 03:30:22,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 03:30:22,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 03:30:22,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 03:30:22,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 03:30:22,885 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) [2022-01-11 03:30:22,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 03:30:22,894 INFO L93 Difference]: Finished difference Result 301 states and 371 transitions. [2022-01-11 03:30:22,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 03:30:22,894 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 [2022-01-11 03:30:22,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 03:30:22,894 INFO L225 Difference]: With dead ends: 301 [2022-01-11 03:30:22,895 INFO L226 Difference]: Without dead ends: 0 [2022-01-11 03:30:22,895 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 [2022-01-11 03:30:22,895 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 [2022-01-11 03:30:22,896 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] [2022-01-11 03:30:22,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-11 03:30:22,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-11 03:30:22,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:30:22,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-11 03:30:22,896 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2022-01-11 03:30:22,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 03:30:22,897 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-11 03:30:22,897 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) [2022-01-11 03:30:22,897 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-11 03:30:22,897 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-11 03:30:22,899 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-11 03:30:22,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-11 03:30:22,900 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-11 03:30:23,218 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-11 03:30:23,219 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-11 03:30:23,219 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)))))) [2022-01-11 03:30:23,219 INFO L861 garLoopResultBuilder]: At program point L225(lines 20 229) the Hoare annotation is: true [2022-01-11 03:30:23,219 INFO L858 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2022-01-11 03:30:23,219 INFO L861 garLoopResultBuilder]: At program point L228(lines 20 229) the Hoare annotation is: true [2022-01-11 03:30:23,219 INFO L854 garLoopResultBuilder]: At program point L185(lines 20 229) the Hoare annotation is: false [2022-01-11 03:30:23,219 INFO L858 garLoopResultBuilder]: For program point L41(lines 41 216) no Hoare annotation was computed. [2022-01-11 03:30:23,219 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-11 03:30:23,220 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 227) no Hoare annotation was computed. [2022-01-11 03:30:23,220 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)))) [2022-01-11 03:30:23,220 INFO L858 garLoopResultBuilder]: For program point L44(lines 44 215) no Hoare annotation was computed. [2022-01-11 03:30:23,220 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-11 03:30:23,220 INFO L858 garLoopResultBuilder]: For program point L90-1(lines 90 92) no Hoare annotation was computed. [2022-01-11 03:30:23,220 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)))) [2022-01-11 03:30:23,220 INFO L858 garLoopResultBuilder]: For program point L48(lines 48 213) no Hoare annotation was computed. [2022-01-11 03:30:23,220 INFO L858 garLoopResultBuilder]: For program point L97-1(lines 86 195) no Hoare annotation was computed. [2022-01-11 03:30:23,220 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)))) [2022-01-11 03:30:23,220 INFO L858 garLoopResultBuilder]: For program point L52(lines 52 211) no Hoare annotation was computed. [2022-01-11 03:30:23,220 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)))) [2022-01-11 03:30:23,220 INFO L858 garLoopResultBuilder]: For program point L56(lines 56 209) no Hoare annotation was computed. [2022-01-11 03:30:23,221 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)))) [2022-01-11 03:30:23,221 INFO L858 garLoopResultBuilder]: For program point L60(lines 60 207) no Hoare annotation was computed. [2022-01-11 03:30:23,221 INFO L858 garLoopResultBuilder]: For program point L117(lines 117 135) no Hoare annotation was computed. [2022-01-11 03:30:23,221 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)))) [2022-01-11 03:30:23,221 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 205) no Hoare annotation was computed. [2022-01-11 03:30:23,221 INFO L858 garLoopResultBuilder]: For program point L118(lines 118 122) no Hoare annotation was computed. [2022-01-11 03:30:23,221 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)))) [2022-01-11 03:30:23,221 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)))) [2022-01-11 03:30:23,221 INFO L858 garLoopResultBuilder]: For program point L68(lines 68 203) no Hoare annotation was computed. [2022-01-11 03:30:23,221 INFO L858 garLoopResultBuilder]: For program point L126(lines 126 130) no Hoare annotation was computed. [2022-01-11 03:30:23,221 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)))) [2022-01-11 03:30:23,221 INFO L858 garLoopResultBuilder]: For program point L147(lines 147 151) no Hoare annotation was computed. [2022-01-11 03:30:23,221 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)))) [2022-01-11 03:30:23,222 INFO L858 garLoopResultBuilder]: For program point L72(lines 72 201) no Hoare annotation was computed. [2022-01-11 03:30:23,222 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)))) [2022-01-11 03:30:23,222 INFO L858 garLoopResultBuilder]: For program point L76(lines 76 199) no Hoare annotation was computed. [2022-01-11 03:30:23,222 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))) [2022-01-11 03:30:23,222 INFO L858 garLoopResultBuilder]: For program point L80(lines 80 197) no Hoare annotation was computed. [2022-01-11 03:30:23,222 INFO L858 garLoopResultBuilder]: For program point L163-1(lines 86 195) no Hoare annotation was computed. [2022-01-11 03:30:23,222 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|)) [2022-01-11 03:30:23,222 INFO L858 garLoopResultBuilder]: For program point L84(lines 84 195) no Hoare annotation was computed. [2022-01-11 03:30:23,222 INFO L858 garLoopResultBuilder]: For program point L174-1(lines 174 176) no Hoare annotation was computed. [2022-01-11 03:30:23,222 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|)) [2022-01-11 03:30:23,222 INFO L858 garLoopResultBuilder]: For program point L181-1(lines 86 195) no Hoare annotation was computed. [2022-01-11 03:30:23,222 INFO L858 garLoopResultBuilder]: For program point L184(lines 184 186) no Hoare annotation was computed. [2022-01-11 03:30:23,225 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-01-11 03:30:23,225 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-11 03:30:23,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 03:30:23 BasicIcfg [2022-01-11 03:30:23,271 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-11 03:30:23,272 INFO L158 Benchmark]: Toolchain (without parser) took 2561.47ms. Allocated memory was 202.4MB in the beginning and 264.2MB in the end (delta: 61.9MB). Free memory was 149.9MB in the beginning and 137.9MB in the end (delta: 12.0MB). Peak memory consumption was 75.4MB. Max. memory is 8.0GB. [2022-01-11 03:30:23,272 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 202.4MB. Free memory is still 166.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-11 03:30:23,272 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.25ms. Allocated memory is still 202.4MB. Free memory was 149.6MB in the beginning and 176.0MB in the end (delta: -26.4MB). Peak memory consumption was 6.1MB. Max. memory is 8.0GB. [2022-01-11 03:30:23,273 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.93ms. Allocated memory is still 202.4MB. Free memory was 176.0MB in the beginning and 174.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-11 03:30:23,273 INFO L158 Benchmark]: Boogie Preprocessor took 26.32ms. Allocated memory is still 202.4MB. Free memory was 174.5MB in the beginning and 173.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-11 03:30:23,273 INFO L158 Benchmark]: RCFGBuilder took 398.04ms. Allocated memory is still 202.4MB. Free memory was 173.0MB in the beginning and 160.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-01-11 03:30:23,273 INFO L158 Benchmark]: IcfgTransformer took 110.41ms. Allocated memory is still 202.4MB. Free memory was 160.4MB in the beginning and 156.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-01-11 03:30:23,274 INFO L158 Benchmark]: TraceAbstraction took 1623.85ms. Allocated memory was 202.4MB in the beginning and 264.2MB in the end (delta: 61.9MB). Free memory was 155.6MB in the beginning and 137.9MB in the end (delta: 17.7MB). Peak memory consumption was 80.6MB. Max. memory is 8.0GB. [2022-01-11 03:30:23,275 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 202.4MB. Free memory is still 166.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 339.25ms. Allocated memory is still 202.4MB. Free memory was 149.6MB in the beginning and 176.0MB in the end (delta: -26.4MB). Peak memory consumption was 6.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 41.93ms. Allocated memory is still 202.4MB. Free memory was 176.0MB in the beginning and 174.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.32ms. Allocated memory is still 202.4MB. Free memory was 174.5MB in the beginning and 173.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 398.04ms. Allocated memory is still 202.4MB. Free memory was 173.0MB in the beginning and 160.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * IcfgTransformer took 110.41ms. Allocated memory is still 202.4MB. Free memory was 160.4MB in the beginning and 156.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * TraceAbstraction took 1623.85ms. Allocated memory was 202.4MB in the beginning and 264.2MB in the end (delta: 61.9MB). Free memory was 155.6MB in the beginning and 137.9MB in the end (delta: 17.7MB). Peak memory consumption was 80.6MB. 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: 1.5s, OverallIterations: 7, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 251 SdHoareTripleChecker+Valid, 0.3s 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, 0.3s 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! [2022-01-11 03:30:23,324 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...