/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_NONE.epf -i ../../../trunk/examples/svcomp/xcsp/Haystacks-18.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-11 01:07:08,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-11 01:07:08,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-11 01:07:08,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-11 01:07:08,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-11 01:07:08,073 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-11 01:07:08,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-11 01:07:08,075 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-11 01:07:08,076 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-11 01:07:08,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-11 01:07:08,077 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-11 01:07:08,078 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-11 01:07:08,078 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-11 01:07:08,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-11 01:07:08,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-11 01:07:08,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-11 01:07:08,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-11 01:07:08,081 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-11 01:07:08,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-11 01:07:08,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-11 01:07:08,084 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-11 01:07:08,085 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-11 01:07:08,086 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-11 01:07:08,087 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-11 01:07:08,088 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-11 01:07:08,089 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-11 01:07:08,089 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-11 01:07:08,089 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-11 01:07:08,090 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-11 01:07:08,090 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-11 01:07:08,091 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-11 01:07:08,091 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-11 01:07:08,092 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-11 01:07:08,092 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-11 01:07:08,093 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-11 01:07:08,093 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-11 01:07:08,093 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-11 01:07:08,094 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-11 01:07:08,094 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-11 01:07:08,094 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-11 01:07:08,095 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-11 01:07:08,095 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_NONE.epf [2022-01-11 01:07:08,137 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-11 01:07:08,137 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-11 01:07:08,137 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-11 01:07:08,137 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-11 01:07:08,138 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-11 01:07:08,138 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-11 01:07:08,138 INFO L138 SettingsManager]: * Use SBE=true [2022-01-11 01:07:08,138 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-11 01:07:08,138 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-11 01:07:08,138 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-11 01:07:08,138 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-11 01:07:08,138 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-11 01:07:08,138 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-11 01:07:08,139 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-11 01:07:08,139 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-11 01:07:08,139 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-11 01:07:08,139 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-11 01:07:08,139 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-11 01:07:08,139 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-11 01:07:08,139 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-11 01:07:08,139 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-11 01:07:08,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 01:07:08,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-11 01:07:08,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-11 01:07:08,140 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-11 01:07:08,140 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-11 01:07:08,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-11 01:07:08,140 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-11 01:07:08,140 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-11 01:07:08,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-11 01:07:08,140 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-11 01:07:08,140 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-11 01:07:08,141 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-11 01:07:08,141 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_NONE 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-11 01:07:08,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-11 01:07:08,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-11 01:07:08,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-11 01:07:08,372 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-11 01:07:08,373 INFO L275 PluginConnector]: CDTParser initialized [2022-01-11 01:07:08,374 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/xcsp/Haystacks-18.c [2022-01-11 01:07:08,425 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/469d51251/0657c7ee7247464ab968520b5178ccee/FLAGc3a6ad944 [2022-01-11 01:07:08,929 INFO L306 CDTParser]: Found 1 translation units. [2022-01-11 01:07:08,930 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/xcsp/Haystacks-18.c [2022-01-11 01:07:08,956 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/469d51251/0657c7ee7247464ab968520b5178ccee/FLAGc3a6ad944 [2022-01-11 01:07:09,468 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/469d51251/0657c7ee7247464ab968520b5178ccee [2022-01-11 01:07:09,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-11 01:07:09,471 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-11 01:07:09,473 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-11 01:07:09,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-11 01:07:09,475 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-11 01:07:09,476 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 01:07:09" (1/1) ... [2022-01-11 01:07:09,477 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c01db0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:07:09, skipping insertion in model container [2022-01-11 01:07:09,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 01:07:09" (1/1) ... [2022-01-11 01:07:09,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-11 01:07:09,539 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-11 01:07:09,976 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-18.c[147234,147247] [2022-01-11 01:07:09,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 01:07:10,010 INFO L203 MainTranslator]: Completed pre-run [2022-01-11 01:07:10,162 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-18.c[147234,147247] [2022-01-11 01:07:10,171 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 01:07:10,181 INFO L208 MainTranslator]: Completed translation [2022-01-11 01:07:10,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:07:10 WrapperNode [2022-01-11 01:07:10,181 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-11 01:07:10,182 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-11 01:07:10,182 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-11 01:07:10,182 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-11 01:07:10,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:07:10" (1/1) ... [2022-01-11 01:07:10,248 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:07:10" (1/1) ... [2022-01-11 01:07:10,630 INFO L137 Inliner]: procedures = 13, calls = 3715, calls flagged for inlining = 3710, calls inlined = 3710, statements flattened = 15821 [2022-01-11 01:07:10,631 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-11 01:07:10,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-11 01:07:10,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-11 01:07:10,631 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-11 01:07:10,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:07:10" (1/1) ... [2022-01-11 01:07:10,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:07:10" (1/1) ... [2022-01-11 01:07:10,727 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:07:10" (1/1) ... [2022-01-11 01:07:10,728 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:07:10" (1/1) ... [2022-01-11 01:07:10,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:07:10" (1/1) ... [2022-01-11 01:07:10,984 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:07:10" (1/1) ... [2022-01-11 01:07:11,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:07:10" (1/1) ... [2022-01-11 01:07:11,076 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-11 01:07:11,077 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-11 01:07:11,077 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-11 01:07:11,078 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-11 01:07:11,079 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:07:10" (1/1) ... [2022-01-11 01:07:11,083 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 01:07:11,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 01:07:11,102 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 01:07:11,108 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 01:07:11,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-11 01:07:11,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-11 01:07:11,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-11 01:07:11,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-11 01:07:11,325 INFO L234 CfgBuilder]: Building ICFG [2022-01-11 01:07:11,326 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-11 01:07:55,932 INFO L275 CfgBuilder]: Performing block encoding [2022-01-11 01:07:55,969 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-11 01:07:55,969 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-11 01:07:55,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 01:07:55 BoogieIcfgContainer [2022-01-11 01:07:55,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-11 01:07:55,976 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-11 01:07:55,976 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-11 01:07:55,976 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-11 01:07:55,978 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 01:07:55" (1/1) ... [2022-01-11 01:07:57,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 01:07:57 BasicIcfg [2022-01-11 01:07:57,166 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-11 01:07:57,169 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-11 01:07:57,169 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-11 01:07:57,171 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-11 01:07:57,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.01 01:07:09" (1/4) ... [2022-01-11 01:07:57,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b80aaa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 01:07:57, skipping insertion in model container [2022-01-11 01:07:57,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:07:10" (2/4) ... [2022-01-11 01:07:57,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b80aaa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 01:07:57, skipping insertion in model container [2022-01-11 01:07:57,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 01:07:55" (3/4) ... [2022-01-11 01:07:57,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b80aaa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 01:07:57, skipping insertion in model container [2022-01-11 01:07:57,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 01:07:57" (4/4) ... [2022-01-11 01:07:57,174 INFO L111 eAbstractionObserver]: Analyzing ICFG Haystacks-18.cTransformedIcfg [2022-01-11 01:07:57,180 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-11 01:07:57,180 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-11 01:07:57,236 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-11 01:07:57,241 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 01:07:57,241 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-11 01:07:57,323 INFO L276 IsEmpty]: Start isEmpty. Operand has 7423 states, 7421 states have (on average 1.4997978709068858) internal successors, (11130), 7422 states have internal predecessors, (11130), 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 01:07:57,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7420 [2022-01-11 01:07:57,734 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 01:07:57,738 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 01:07:57,739 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 01:07:57,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 01:07:57,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1116326128, now seen corresponding path program 1 times [2022-01-11 01:07:57,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 01:07:57,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90074760] [2022-01-11 01:07:57,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 01:07:57,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 01:07:58,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 01:08:08,569 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 01:08:08,569 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 01:08:08,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90074760] [2022-01-11 01:08:08,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90074760] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 01:08:08,570 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 01:08:08,571 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-11 01:08:08,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500484717] [2022-01-11 01:08:08,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 01:08:08,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-11 01:08:08,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 01:08:08,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-11 01:08:08,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-11 01:08:08,686 INFO L87 Difference]: Start difference. First operand has 7423 states, 7421 states have (on average 1.4997978709068858) internal successors, (11130), 7422 states have internal predecessors, (11130), 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 3709.5) internal successors, (7419), 2 states have internal predecessors, (7419), 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 01:08:08,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 01:08:08,950 INFO L93 Difference]: Finished difference Result 14840 states and 22254 transitions. [2022-01-11 01:08:08,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-11 01:08:08,967 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3709.5) internal successors, (7419), 2 states have internal predecessors, (7419), 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 7419 [2022-01-11 01:08:08,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 01:08:09,023 INFO L225 Difference]: With dead ends: 14840 [2022-01-11 01:08:09,023 INFO L226 Difference]: Without dead ends: 7420 [2022-01-11 01:08:09,038 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 [2022-01-11 01:08:09,057 INFO L933 BasicCegarLoop]: 7419 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, 7419 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 01:08:09,058 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 7419 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 01:08:09,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7420 states. [2022-01-11 01:08:09,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7420 to 7420. [2022-01-11 01:08:09,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7420 states, 7419 states have (on average 1.0) internal successors, (7419), 7419 states have internal predecessors, (7419), 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 01:08:09,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7420 states to 7420 states and 7419 transitions. [2022-01-11 01:08:09,686 INFO L78 Accepts]: Start accepts. Automaton has 7420 states and 7419 transitions. Word has length 7419 [2022-01-11 01:08:09,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 01:08:09,688 INFO L470 AbstractCegarLoop]: Abstraction has 7420 states and 7419 transitions. [2022-01-11 01:08:09,690 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3709.5) internal successors, (7419), 2 states have internal predecessors, (7419), 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 01:08:09,691 INFO L276 IsEmpty]: Start isEmpty. Operand 7420 states and 7419 transitions. [2022-01-11 01:08:10,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7420 [2022-01-11 01:08:10,041 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 01:08:10,044 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 01:08:10,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-11 01:08:10,045 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 01:08:10,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 01:08:10,049 INFO L85 PathProgramCache]: Analyzing trace with hash -55986908, now seen corresponding path program 1 times [2022-01-11 01:08:10,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 01:08:10,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19490207] [2022-01-11 01:08:10,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 01:08:10,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 01:08:11,712 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-11 01:08:11,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1597278924] [2022-01-11 01:08:11,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 01:08:11,715 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-11 01:08:11,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 01:08:11,720 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) [2022-01-11 01:08:11,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process