/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/array-patterns/array11_pattern.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-11 03:14:28,338 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-11 03:14:28,340 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-11 03:14:28,370 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-11 03:14:28,370 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-11 03:14:28,375 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-11 03:14:28,378 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-11 03:14:28,379 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-11 03:14:28,380 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-11 03:14:28,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-11 03:14:28,381 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-11 03:14:28,382 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-11 03:14:28,382 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-11 03:14:28,382 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-11 03:14:28,383 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-11 03:14:28,384 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-11 03:14:28,384 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-11 03:14:28,385 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-11 03:14:28,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-11 03:14:28,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-11 03:14:28,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-11 03:14:28,404 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-11 03:14:28,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-11 03:14:28,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-11 03:14:28,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-11 03:14:28,407 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-11 03:14:28,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-11 03:14:28,407 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-11 03:14:28,408 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-11 03:14:28,408 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-11 03:14:28,408 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-11 03:14:28,409 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-11 03:14:28,409 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-11 03:14:28,409 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-11 03:14:28,410 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-11 03:14:28,410 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-11 03:14:28,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-11 03:14:28,411 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-11 03:14:28,411 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-11 03:14:28,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-11 03:14:28,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-11 03:14:28,413 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 03:14:28,430 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-11 03:14:28,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-11 03:14:28,430 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-11 03:14:28,430 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-11 03:14:28,431 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-11 03:14:28,431 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-11 03:14:28,431 INFO L138 SettingsManager]: * Use SBE=true [2022-01-11 03:14:28,431 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-11 03:14:28,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-11 03:14:28,431 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-11 03:14:28,432 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-11 03:14:28,432 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-11 03:14:28,432 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-11 03:14:28,432 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-11 03:14:28,432 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-11 03:14:28,433 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-11 03:14:28,433 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-11 03:14:28,433 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-11 03:14:28,433 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-11 03:14:28,433 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-11 03:14:28,433 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-11 03:14:28,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 03:14:28,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-11 03:14:28,434 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-11 03:14:28,434 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-11 03:14:28,434 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-11 03:14:28,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-11 03:14:28,434 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-11 03:14:28,434 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-11 03:14:28,434 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-11 03:14:28,434 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-11 03:14:28,434 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-11 03:14:28,458 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-11 03:14:28,459 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-11 03:14:28,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-11 03:14:28,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-11 03:14:28,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-11 03:14:28,720 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-11 03:14:28,739 INFO L275 PluginConnector]: CDTParser initialized [2022-01-11 03:14:28,740 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-patterns/array11_pattern.c [2022-01-11 03:14:28,844 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e3f887b5/db387575ae96477db16ce2dfcd3331e3/FLAG6b57b65c7 [2022-01-11 03:14:29,252 INFO L306 CDTParser]: Found 1 translation units. [2022-01-11 03:14:29,252 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-patterns/array11_pattern.c [2022-01-11 03:14:29,259 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e3f887b5/db387575ae96477db16ce2dfcd3331e3/FLAG6b57b65c7 [2022-01-11 03:14:29,633 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e3f887b5/db387575ae96477db16ce2dfcd3331e3 [2022-01-11 03:14:29,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-11 03:14:29,635 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-11 03:14:29,643 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-11 03:14:29,644 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-11 03:14:29,646 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-11 03:14:29,646 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 03:14:29" (1/1) ... [2022-01-11 03:14:29,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a896827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:14:29, skipping insertion in model container [2022-01-11 03:14:29,647 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 03:14:29" (1/1) ... [2022-01-11 03:14:29,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-11 03:14:29,660 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-11 03:14:29,790 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-patterns/array11_pattern.c[1357,1370] [2022-01-11 03:14:29,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 03:14:29,841 INFO L203 MainTranslator]: Completed pre-run [2022-01-11 03:14:29,856 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-patterns/array11_pattern.c[1357,1370] [2022-01-11 03:14:29,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 03:14:29,911 INFO L208 MainTranslator]: Completed translation [2022-01-11 03:14:29,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:14:29 WrapperNode [2022-01-11 03:14:29,912 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-11 03:14:29,913 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-11 03:14:29,913 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-11 03:14:29,913 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-11 03:14:29,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:14:29" (1/1) ... [2022-01-11 03:14:29,941 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:14:29" (1/1) ... [2022-01-11 03:14:29,972 INFO L137 Inliner]: procedures = 18, calls = 22, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 83 [2022-01-11 03:14:29,978 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-11 03:14:29,979 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-11 03:14:29,979 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-11 03:14:29,979 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-11 03:14:29,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:14:29" (1/1) ... [2022-01-11 03:14:29,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:14:29" (1/1) ... [2022-01-11 03:14:29,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:14:29" (1/1) ... [2022-01-11 03:14:29,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:14:29" (1/1) ... [2022-01-11 03:14:30,016 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:14:29" (1/1) ... [2022-01-11 03:14:30,020 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:14:29" (1/1) ... [2022-01-11 03:14:30,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:14:29" (1/1) ... [2022-01-11 03:14:30,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-11 03:14:30,035 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-11 03:14:30,035 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-11 03:14:30,035 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-11 03:14:30,037 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:14:29" (1/1) ... [2022-01-11 03:14:30,044 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 03:14:30,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 03:14:30,069 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 03:14:30,075 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 03:14:30,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-11 03:14:30,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-11 03:14:30,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-11 03:14:30,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-01-11 03:14:30,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-11 03:14:30,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-11 03:14:30,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-11 03:14:30,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-01-11 03:14:30,173 INFO L234 CfgBuilder]: Building ICFG [2022-01-11 03:14:30,174 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-11 03:14:30,356 INFO L275 CfgBuilder]: Performing block encoding [2022-01-11 03:14:30,360 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-11 03:14:30,360 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-01-11 03:14:30,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 03:14:30 BoogieIcfgContainer [2022-01-11 03:14:30,361 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-11 03:14:30,362 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-11 03:14:30,362 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-11 03:14:30,362 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-11 03:14:30,364 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 03:14:30" (1/1) ... [2022-01-11 03:14:30,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 03:14:30 BasicIcfg [2022-01-11 03:14:30,456 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-11 03:14:30,457 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-11 03:14:30,457 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-11 03:14:30,459 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-11 03:14:30,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.01 03:14:29" (1/4) ... [2022-01-11 03:14:30,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d60833b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 03:14:30, skipping insertion in model container [2022-01-11 03:14:30,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:14:29" (2/4) ... [2022-01-11 03:14:30,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d60833b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 03:14:30, skipping insertion in model container [2022-01-11 03:14:30,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 03:14:30" (3/4) ... [2022-01-11 03:14:30,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d60833b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 03:14:30, skipping insertion in model container [2022-01-11 03:14:30,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 03:14:30" (4/4) ... [2022-01-11 03:14:30,461 INFO L111 eAbstractionObserver]: Analyzing ICFG array11_pattern.cTransformedIcfg [2022-01-11 03:14:30,464 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-11 03:14:30,464 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-11 03:14:30,489 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-11 03:14:30,493 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 03:14:30,493 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-11 03:14:30,502 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 22 states have internal predecessors, (33), 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 03:14:30,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-01-11 03:14:30,505 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 03:14:30,505 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 03:14:30,506 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 03:14:30,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 03:14:30,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1443577021, now seen corresponding path program 1 times [2022-01-11 03:14:30,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 03:14:30,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399386604] [2022-01-11 03:14:30,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 03:14:30,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 03:14:30,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 03:14:30,659 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 03:14:30,659 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 03:14:30,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399386604] [2022-01-11 03:14:30,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399386604] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 03:14:30,660 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 03:14:30,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-11 03:14:30,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090213159] [2022-01-11 03:14:30,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 03:14:30,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-11 03:14:30,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 03:14:30,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-11 03:14:30,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-11 03:14:30,693 INFO L87 Difference]: Start difference. First operand has 23 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 22 states have internal predecessors, (33), 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 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 03:14:30,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 03:14:30,706 INFO L93 Difference]: Finished difference Result 43 states and 62 transitions. [2022-01-11 03:14:30,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-11 03:14:30,708 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11 [2022-01-11 03:14:30,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 03:14:30,713 INFO L225 Difference]: With dead ends: 43 [2022-01-11 03:14:30,713 INFO L226 Difference]: Without dead ends: 19 [2022-01-11 03:14:30,715 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 03:14:30,718 INFO L933 BasicCegarLoop]: 26 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, 26 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 [2022-01-11 03:14:30,719 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 03:14:30,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-01-11 03:14:30,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-01-11 03:14:30,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 18 states have internal predecessors, (22), 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 03:14:30,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2022-01-11 03:14:30,737 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 11 [2022-01-11 03:14:30,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 03:14:30,737 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2022-01-11 03:14:30,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 03:14:30,737 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2022-01-11 03:14:30,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-01-11 03:14:30,738 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 03:14:30,738 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 03:14:30,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-11 03:14:30,738 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 03:14:30,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 03:14:30,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1523627396, now seen corresponding path program 1 times [2022-01-11 03:14:30,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 03:14:30,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946553847] [2022-01-11 03:14:30,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 03:14:30,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 03:14:30,773 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-11 03:14:30,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [284832766] [2022-01-11 03:14:30,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 03:14:30,774 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-11 03:14:30,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 03:14:30,775 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 03:14:30,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-11 03:14:30,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 03:14:30,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-11 03:14:30,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-11 03:14:31,018 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 03:14:31,019 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-11 03:14:31,019 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 03:14:31,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946553847] [2022-01-11 03:14:31,019 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-11 03:14:31,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [284832766] [2022-01-11 03:14:31,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [284832766] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 03:14:31,019 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 03:14:31,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-11 03:14:31,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171336650] [2022-01-11 03:14:31,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 03:14:31,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-11 03:14:31,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 03:14:31,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-11 03:14:31,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-11 03:14:31,021 INFO L87 Difference]: Start difference. First operand 19 states and 22 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 03:14:31,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 03:14:31,080 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2022-01-11 03:14:31,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-11 03:14:31,080 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 03:14:31,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 03:14:31,081 INFO L225 Difference]: With dead ends: 24 [2022-01-11 03:14:31,081 INFO L226 Difference]: Without dead ends: 20 [2022-01-11 03:14:31,081 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-11 03:14:31,082 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 5 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 03:14:31,082 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 45 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 03:14:31,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-01-11 03:14:31,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-01-11 03:14:31,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 19 states have internal predecessors, (23), 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 03:14:31,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2022-01-11 03:14:31,085 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 16 [2022-01-11 03:14:31,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 03:14:31,086 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2022-01-11 03:14:31,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 03:14:31,086 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-01-11 03:14:31,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-01-11 03:14:31,086 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 03:14:31,086 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 03:14:31,104 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-01-11 03:14:31,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-11 03:14:31,296 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 03:14:31,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 03:14:31,296 INFO L85 PathProgramCache]: Analyzing trace with hash -348579641, now seen corresponding path program 1 times [2022-01-11 03:14:31,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 03:14:31,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390092084] [2022-01-11 03:14:31,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 03:14:31,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 03:14:31,350 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-11 03:14:31,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [489551801] [2022-01-11 03:14:31,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 03:14:31,350 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-11 03:14:31,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 03:14:31,356 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-11 03:14:31,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process