/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInlineTransformed.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_LAZY.epf -i ../../../trunk/examples/svcomp/xcsp/Haystacks-14.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 19:18:38,919 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 19:18:38,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 19:18:38,967 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 19:18:38,967 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 19:18:38,968 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 19:18:38,969 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 19:18:38,971 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 19:18:38,982 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 19:18:38,986 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 19:18:38,987 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 19:18:38,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 19:18:38,992 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 19:18:38,994 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 19:18:38,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 19:18:38,997 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 19:18:38,997 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 19:18:38,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 19:18:39,001 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 19:18:39,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 19:18:39,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 19:18:39,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 19:18:39,011 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 19:18:39,012 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 19:18:39,018 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 19:18:39,018 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 19:18:39,018 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 19:18:39,019 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 19:18:39,019 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 19:18:39,020 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 19:18:39,021 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 19:18:39,021 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 19:18:39,022 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 19:18:39,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 19:18:39,023 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 19:18:39,023 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 19:18:39,024 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 19:18:39,024 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 19:18:39,025 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 19:18:39,025 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 19:18:39,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 19:18:39,030 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_LAZY.epf [2022-01-10 19:18:39,058 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 19:18:39,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 19:18:39,059 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 19:18:39,059 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 19:18:39,060 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 19:18:39,060 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 19:18:39,060 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 19:18:39,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 19:18:39,060 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 19:18:39,061 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 19:18:39,061 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 19:18:39,061 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 19:18:39,062 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 19:18:39,062 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 19:18:39,062 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 19:18:39,062 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 19:18:39,062 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 19:18:39,063 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 19:18:39,063 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 19:18:39,063 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 19:18:39,063 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 19:18:39,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 19:18:39,064 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 19:18:39,065 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 19:18:39,065 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 19:18:39,065 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 19:18:39,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 19:18:39,065 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 19:18:39,065 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 19:18:39,065 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 19:18:39,066 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 19:18:39,066 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 19:18:39,067 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 19:18:39,067 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_LAZY WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 19:18:39,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 19:18:39,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 19:18:39,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 19:18:39,357 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 19:18:39,357 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 19:18:39,359 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/xcsp/Haystacks-14.c [2022-01-10 19:18:39,422 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa6dad74c/4e1a251d7dfd46ec82b6b4ef85cfd0ce/FLAG72871c44f [2022-01-10 19:18:40,012 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 19:18:40,013 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/xcsp/Haystacks-14.c [2022-01-10 19:18:40,057 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa6dad74c/4e1a251d7dfd46ec82b6b4ef85cfd0ce/FLAG72871c44f [2022-01-10 19:18:40,209 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa6dad74c/4e1a251d7dfd46ec82b6b4ef85cfd0ce [2022-01-10 19:18:40,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 19:18:40,212 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 19:18:40,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 19:18:40,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 19:18:40,221 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 19:18:40,222 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:18:40" (1/1) ... [2022-01-10 19:18:40,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45f0893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:18:40, skipping insertion in model container [2022-01-10 19:18:40,224 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:18:40" (1/1) ... [2022-01-10 19:18:40,232 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 19:18:40,280 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 19:18:40,752 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/xcsp/Haystacks-14.c[72386,72399] [2022-01-10 19:18:40,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 19:18:40,787 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 19:18:40,937 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/xcsp/Haystacks-14.c[72386,72399] [2022-01-10 19:18:40,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 19:18:40,956 INFO L208 MainTranslator]: Completed translation [2022-01-10 19:18:40,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:18:40 WrapperNode [2022-01-10 19:18:40,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 19:18:40,959 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 19:18:40,959 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 19:18:40,959 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 19:18:40,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:18:40" (1/1) ... [2022-01-10 19:18:41,022 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:18:40" (1/1) ... [2022-01-10 19:18:41,240 INFO L137 Inliner]: procedures = 13, calls = 1855, calls flagged for inlining = 1850, calls inlined = 1850, statements flattened = 7997 [2022-01-10 19:18:41,240 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 19:18:41,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 19:18:41,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 19:18:41,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 19:18:41,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:18:40" (1/1) ... [2022-01-10 19:18:41,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:18:40" (1/1) ... [2022-01-10 19:18:41,280 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:18:40" (1/1) ... [2022-01-10 19:18:41,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:18:40" (1/1) ... [2022-01-10 19:18:41,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:18:40" (1/1) ... [2022-01-10 19:18:41,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:18:40" (1/1) ... [2022-01-10 19:18:41,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:18:40" (1/1) ... [2022-01-10 19:18:41,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 19:18:41,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 19:18:41,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 19:18:41,514 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 19:18:41,515 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:18:40" (1/1) ... [2022-01-10 19:18:41,520 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 19:18:41,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 19:18:41,548 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-10 19:18:41,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-10 19:18:41,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 19:18:41,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 19:18:41,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 19:18:41,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 19:18:41,778 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 19:18:41,779 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 19:19:04,419 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 19:19:04,455 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 19:19:04,455 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-10 19:19:04,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:19:04 BoogieIcfgContainer [2022-01-10 19:19:04,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 19:19:04,462 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 19:19:04,462 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 19:19:04,463 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 19:19:04,466 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:19:04" (1/1) ... [2022-01-10 19:19:05,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 07:19:05 BasicIcfg [2022-01-10 19:19:05,268 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 19:19:05,270 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 19:19:05,271 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 19:19:05,274 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 19:19:05,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 07:18:40" (1/4) ... [2022-01-10 19:19:05,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fc010d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 07:19:05, skipping insertion in model container [2022-01-10 19:19:05,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:18:40" (2/4) ... [2022-01-10 19:19:05,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fc010d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 07:19:05, skipping insertion in model container [2022-01-10 19:19:05,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:19:04" (3/4) ... [2022-01-10 19:19:05,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fc010d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 07:19:05, skipping insertion in model container [2022-01-10 19:19:05,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 07:19:05" (4/4) ... [2022-01-10 19:19:05,277 INFO L111 eAbstractionObserver]: Analyzing ICFG Haystacks-14.cTransformedIcfg [2022-01-10 19:19:05,285 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 19:19:05,285 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 19:19:05,345 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 19:19:05,354 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-10 19:19:05,354 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 19:19:05,412 INFO L276 IsEmpty]: Start isEmpty. Operand has 3703 states, 3701 states have (on average 1.4995947041340179) internal successors, (5550), 3702 states have internal predecessors, (5550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 19:19:05,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3700 [2022-01-10 19:19:05,666 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 19:19:05,669 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 19:19:05,669 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 19:19:05,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 19:19:05,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1852463493, now seen corresponding path program 1 times [2022-01-10 19:19:05,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 19:19:05,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071419870] [2022-01-10 19:19:05,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 19:19:05,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 19:19:06,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 19:19:09,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 19:19:09,739 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 19:19:09,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071419870] [2022-01-10 19:19:09,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071419870] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 19:19:09,740 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 19:19:09,741 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 19:19:09,742 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464586484] [2022-01-10 19:19:09,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 19:19:09,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 19:19:09,752 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 19:19:09,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 19:19:09,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 19:19:09,784 INFO L87 Difference]: Start difference. First operand has 3703 states, 3701 states have (on average 1.4995947041340179) internal successors, (5550), 3702 states have internal predecessors, (5550), 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 2 states, 2 states have (on average 1849.5) internal successors, (3699), 2 states have internal predecessors, (3699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 19:19:09,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 19:19:09,917 INFO L93 Difference]: Finished difference Result 7400 states and 11094 transitions. [2022-01-10 19:19:09,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 19:19:09,922 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 1849.5) internal successors, (3699), 2 states have internal predecessors, (3699), 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 3699 [2022-01-10 19:19:09,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 19:19:09,944 INFO L225 Difference]: With dead ends: 7400 [2022-01-10 19:19:09,945 INFO L226 Difference]: Without dead ends: 3700 [2022-01-10 19:19:09,954 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 19:19:09,957 INFO L933 BasicCegarLoop]: 3699 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3699 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 19:19:09,958 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 3699 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 19:19:09,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3700 states. [2022-01-10 19:19:10,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3700 to 3700. [2022-01-10 19:19:10,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3700 states, 3699 states have (on average 1.0) internal successors, (3699), 3699 states have internal predecessors, (3699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 19:19:10,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3700 states to 3700 states and 3699 transitions. [2022-01-10 19:19:10,091 INFO L78 Accepts]: Start accepts. Automaton has 3700 states and 3699 transitions. Word has length 3699 [2022-01-10 19:19:10,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 19:19:10,092 INFO L470 AbstractCegarLoop]: Abstraction has 3700 states and 3699 transitions. [2022-01-10 19:19:10,094 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1849.5) internal successors, (3699), 2 states have internal predecessors, (3699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 19:19:10,094 INFO L276 IsEmpty]: Start isEmpty. Operand 3700 states and 3699 transitions. [2022-01-10 19:19:10,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3700 [2022-01-10 19:19:10,236 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 19:19:10,237 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 19:19:10,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 19:19:10,238 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 19:19:10,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 19:19:10,240 INFO L85 PathProgramCache]: Analyzing trace with hash -399691520, now seen corresponding path program 1 times [2022-01-10 19:19:10,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 19:19:10,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120376835] [2022-01-10 19:19:10,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 19:19:10,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 19:19:11,219 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-10 19:19:11,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [240184604] [2022-01-10 19:19:11,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 19:19:11,222 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 19:19:11,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 19:19:11,227 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-10 19:19:11,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process