/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/combinations/pals_lcr.7.ufo.BOUNDED-14.pals+Problem12_label03.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-11 01:40:29,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-11 01:40:29,063 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-11 01:40:29,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-11 01:40:29,110 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-11 01:40:29,110 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-11 01:40:29,111 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-11 01:40:29,120 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-11 01:40:29,122 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-11 01:40:29,122 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-11 01:40:29,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-11 01:40:29,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-11 01:40:29,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-11 01:40:29,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-11 01:40:29,125 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-11 01:40:29,126 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-11 01:40:29,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-11 01:40:29,134 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-11 01:40:29,138 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-11 01:40:29,143 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-11 01:40:29,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-11 01:40:29,158 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-11 01:40:29,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-11 01:40:29,161 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-11 01:40:29,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-11 01:40:29,166 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-11 01:40:29,166 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-11 01:40:29,167 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-11 01:40:29,167 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-11 01:40:29,168 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-11 01:40:29,168 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-11 01:40:29,168 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-11 01:40:29,169 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-11 01:40:29,169 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-11 01:40:29,169 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-11 01:40:29,170 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-11 01:40:29,170 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-11 01:40:29,170 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-11 01:40:29,170 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-11 01:40:29,171 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-11 01:40:29,171 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-11 01:40:29,174 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 01:40:29,195 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-11 01:40:29,195 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-11 01:40:29,195 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-11 01:40:29,195 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-11 01:40:29,197 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-11 01:40:29,197 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-11 01:40:29,197 INFO L138 SettingsManager]: * Use SBE=true [2022-01-11 01:40:29,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-11 01:40:29,197 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-11 01:40:29,197 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-11 01:40:29,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-11 01:40:29,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-11 01:40:29,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-11 01:40:29,198 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-11 01:40:29,198 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-11 01:40:29,198 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-11 01:40:29,198 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-11 01:40:29,198 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-11 01:40:29,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-11 01:40:29,198 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-11 01:40:29,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-11 01:40:29,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 01:40:29,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-11 01:40:29,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-11 01:40:29,199 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-11 01:40:29,199 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-11 01:40:29,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-11 01:40:29,199 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-11 01:40:29,199 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-11 01:40:29,199 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-11 01:40:29,199 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-11 01:40:29,200 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-11 01:40:29,200 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-11 01:40:29,200 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-11 01:40:29,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-11 01:40:29,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-11 01:40:29,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-11 01:40:29,424 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-11 01:40:29,424 INFO L275 PluginConnector]: CDTParser initialized [2022-01-11 01:40:29,425 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/pals_lcr.7.ufo.BOUNDED-14.pals+Problem12_label03.c [2022-01-11 01:40:29,464 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57b3103cb/c1554fd3b23e4986b733a2bae3cfb375/FLAGedd05cecf [2022-01-11 01:40:30,042 INFO L306 CDTParser]: Found 1 translation units. [2022-01-11 01:40:30,042 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/pals_lcr.7.ufo.BOUNDED-14.pals+Problem12_label03.c [2022-01-11 01:40:30,072 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57b3103cb/c1554fd3b23e4986b733a2bae3cfb375/FLAGedd05cecf [2022-01-11 01:40:30,498 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57b3103cb/c1554fd3b23e4986b733a2bae3cfb375 [2022-01-11 01:40:30,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-11 01:40:30,502 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-11 01:40:30,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-11 01:40:30,505 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-11 01:40:30,507 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-11 01:40:30,508 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 01:40:30" (1/1) ... [2022-01-11 01:40:30,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fe20ba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:40:30, skipping insertion in model container [2022-01-11 01:40:30,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 01:40:30" (1/1) ... [2022-01-11 01:40:30,513 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-11 01:40:30,611 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-11 01:40:30,882 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/pals_lcr.7.ufo.BOUNDED-14.pals+Problem12_label03.c[20426,20439] [2022-01-11 01:40:30,917 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/pals_lcr.7.ufo.BOUNDED-14.pals+Problem12_label03.c[22763,22776] [2022-01-11 01:40:31,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 01:40:31,467 INFO L203 MainTranslator]: Completed pre-run [2022-01-11 01:40:31,501 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/pals_lcr.7.ufo.BOUNDED-14.pals+Problem12_label03.c[20426,20439] [2022-01-11 01:40:31,504 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/pals_lcr.7.ufo.BOUNDED-14.pals+Problem12_label03.c[22763,22776] [2022-01-11 01:40:31,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 01:40:31,820 INFO L208 MainTranslator]: Completed translation [2022-01-11 01:40:31,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:40:31 WrapperNode [2022-01-11 01:40:31,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-11 01:40:31,822 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-11 01:40:31,822 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-11 01:40:31,822 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-11 01:40:31,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:40:31" (1/1) ... [2022-01-11 01:40:31,875 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:40:31" (1/1) ... [2022-01-11 01:40:31,982 INFO L137 Inliner]: procedures = 39, calls = 24, calls flagged for inlining = 19, calls inlined = 19, statements flattened = 5179 [2022-01-11 01:40:31,982 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-11 01:40:31,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-11 01:40:31,983 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-11 01:40:31,983 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-11 01:40:31,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:40:31" (1/1) ... [2022-01-11 01:40:31,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:40:31" (1/1) ... [2022-01-11 01:40:32,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:40:31" (1/1) ... [2022-01-11 01:40:32,025 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:40:31" (1/1) ... [2022-01-11 01:40:32,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:40:31" (1/1) ... [2022-01-11 01:40:32,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:40:31" (1/1) ... [2022-01-11 01:40:32,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:40:31" (1/1) ... [2022-01-11 01:40:32,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-11 01:40:32,167 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-11 01:40:32,167 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-11 01:40:32,167 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-11 01:40:32,169 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:40:31" (1/1) ... [2022-01-11 01:40:32,174 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 01:40:32,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 01:40:32,208 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 01:40:32,219 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 01:40:32,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-11 01:40:32,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-11 01:40:32,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-11 01:40:32,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-11 01:40:32,364 INFO L234 CfgBuilder]: Building ICFG [2022-01-11 01:40:32,366 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-11 01:40:53,681 INFO L275 CfgBuilder]: Performing block encoding [2022-01-11 01:40:53,697 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-11 01:40:53,698 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-11 01:40:53,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 01:40:53 BoogieIcfgContainer [2022-01-11 01:40:53,700 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-11 01:40:53,701 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-11 01:40:53,701 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-11 01:40:53,702 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-11 01:40:53,704 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 01:40:53" (1/1) ... [2022-01-11 01:40:54,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 01:40:54 BasicIcfg [2022-01-11 01:40:54,902 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-11 01:40:54,903 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-11 01:40:54,903 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-11 01:40:54,905 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-11 01:40:54,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.01 01:40:30" (1/4) ... [2022-01-11 01:40:54,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5368e8ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 01:40:54, skipping insertion in model container [2022-01-11 01:40:54,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:40:31" (2/4) ... [2022-01-11 01:40:54,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5368e8ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 01:40:54, skipping insertion in model container [2022-01-11 01:40:54,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 01:40:53" (3/4) ... [2022-01-11 01:40:54,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5368e8ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 01:40:54, skipping insertion in model container [2022-01-11 01:40:54,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 01:40:54" (4/4) ... [2022-01-11 01:40:54,908 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr.7.ufo.BOUNDED-14.pals+Problem12_label03.cTransformedIcfg [2022-01-11 01:40:54,921 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-11 01:40:54,921 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-01-11 01:40:54,956 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-11 01:40:54,962 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 01:40:54,962 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-11 01:40:54,986 INFO L276 IsEmpty]: Start isEmpty. Operand has 944 states, 941 states have (on average 1.8979808714133901) internal successors, (1786), 943 states have internal predecessors, (1786), 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 01:40:54,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-01-11 01:40:54,991 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 01:40:54,991 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] [2022-01-11 01:40:54,992 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 01:40:54,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 01:40:54,995 INFO L85 PathProgramCache]: Analyzing trace with hash 315734147, now seen corresponding path program 1 times [2022-01-11 01:40:55,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 01:40:55,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119774409] [2022-01-11 01:40:55,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 01:40:55,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 01:40:55,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 01:40:55,238 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 01:40:55,239 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 01:40:55,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119774409] [2022-01-11 01:40:55,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119774409] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 01:40:55,239 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 01:40:55,240 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-11 01:40:55,241 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356770322] [2022-01-11 01:40:55,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 01:40:55,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 01:40:55,245 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 01:40:55,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 01:40:55,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 01:40:55,268 INFO L87 Difference]: Start difference. First operand has 944 states, 941 states have (on average 1.8979808714133901) internal successors, (1786), 943 states have internal predecessors, (1786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 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 01:40:57,632 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 01:40:59,818 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 01:41:01,923 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 01:41:04,054 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 01:41:06,193 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 01:41:08,335 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 01:41:10,561 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 01:41:12,700 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 01:41:14,876 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 01:41:17,057 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 01:41:19,184 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 01:41:21,308 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 01:41:23,524 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 01:41:25,857 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 01:41:28,011 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 01:41:30,221 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 01:41:32,412 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 01:41:34,590 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 01:41:36,819 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 01:41:38,992 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 01:41:41,185 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 01:41:43,411 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 01:41:45,595 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []