/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInlineTransformed.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_LAZY.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem07_label39.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 16:19:19,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 16:19:19,834 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 16:19:19,885 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 16:19:19,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 16:19:19,886 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 16:19:19,887 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 16:19:19,888 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 16:19:19,889 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 16:19:19,890 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 16:19:19,890 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 16:19:19,891 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 16:19:19,891 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 16:19:19,892 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 16:19:19,893 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 16:19:19,893 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 16:19:19,894 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 16:19:19,894 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 16:19:19,895 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 16:19:19,896 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 16:19:19,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 16:19:19,898 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 16:19:19,898 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 16:19:19,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 16:19:19,901 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 16:19:19,901 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 16:19:19,901 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 16:19:19,901 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 16:19:19,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 16:19:19,902 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 16:19:19,902 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 16:19:19,903 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 16:19:19,903 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 16:19:19,904 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 16:19:19,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 16:19:19,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 16:19:19,905 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 16:19:19,905 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 16:19:19,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 16:19:19,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 16:19:19,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 16:19:19,907 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_LAZY.epf [2022-01-10 16:19:19,920 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 16:19:19,920 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 16:19:19,921 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 16:19:19,921 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 16:19:19,921 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 16:19:19,921 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 16:19:19,922 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 16:19:19,922 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 16:19:19,922 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 16:19:19,922 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 16:19:19,922 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 16:19:19,922 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 16:19:19,922 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 16:19:19,923 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 16:19:19,923 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 16:19:19,923 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 16:19:19,923 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 16:19:19,923 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 16:19:19,923 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 16:19:19,923 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 16:19:19,924 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 16:19:19,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 16:19:19,924 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 16:19:19,924 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 16:19:19,924 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 16:19:19,924 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 16:19:19,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 16:19:19,924 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 16:19:19,925 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 16:19:19,925 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 16:19:19,925 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 16:19:19,925 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 16:19:19,925 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 16:19:19,926 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_LAZY WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 16:19:20,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 16:19:20,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 16:19:20,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 16:19:20,147 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 16:19:20,149 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 16:19:20,150 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem07_label39.c [2022-01-10 16:19:20,192 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5781c0f30/0d624de7ff364525995536d62886d804/FLAG204ebfdcb [2022-01-10 16:19:22,072 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 16:19:22,073 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem07_label39.c [2022-01-10 16:19:22,168 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5781c0f30/0d624de7ff364525995536d62886d804/FLAG204ebfdcb [2022-01-10 16:19:22,271 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5781c0f30/0d624de7ff364525995536d62886d804 [2022-01-10 16:19:22,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 16:19:22,274 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 16:19:22,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 16:19:22,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 16:19:22,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 16:19:22,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 04:19:22" (1/1) ... [2022-01-10 16:19:22,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bc43f7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:19:22, skipping insertion in model container [2022-01-10 16:19:22,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 04:19:22" (1/1) ... [2022-01-10 16:19:22,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 16:19:22,846 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 16:19:29,604 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem07_label39.c[2767623,2767636] [2022-01-10 16:19:29,649 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 16:19:29,655 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 16:19:33,646 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem07_label39.c[2767623,2767636] [2022-01-10 16:19:33,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 16:19:34,357 INFO L208 MainTranslator]: Completed translation [2022-01-10 16:19:34,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:19:34 WrapperNode [2022-01-10 16:19:34,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 16:19:34,359 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 16:19:34,359 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 16:19:34,359 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 16:19:34,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:19:34" (1/1) ... [2022-01-10 16:19:34,872 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:19:34" (1/1) ... [2022-01-10 16:19:36,673 INFO L137 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83726 [2022-01-10 16:19:36,673 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 16:19:36,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 16:19:36,674 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 16:19:36,674 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 16:19:36,679 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:19:34" (1/1) ... [2022-01-10 16:19:36,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:19:34" (1/1) ... [2022-01-10 16:19:37,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:19:34" (1/1) ... [2022-01-10 16:19:37,065 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:19:34" (1/1) ... [2022-01-10 16:19:38,246 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:19:34" (1/1) ... [2022-01-10 16:19:38,378 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:19:34" (1/1) ... [2022-01-10 16:19:38,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:19:34" (1/1) ... [2022-01-10 16:19:38,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 16:19:38,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 16:19:38,954 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 16:19:38,954 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 16:19:38,960 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:19:34" (1/1) ... [2022-01-10 16:19:38,965 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 16:19:38,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 16:19:38,988 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-10 16:19:38,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-10 16:19:39,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 16:19:39,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 16:19:39,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 16:19:39,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 16:19:39,186 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 16:19:39,187 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 16:20:16,551 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 16:20:16,585 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 16:20:16,585 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 16:20:16,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 04:20:16 BoogieIcfgContainer [2022-01-10 16:20:16,594 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 16:20:16,594 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 16:20:16,594 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 16:20:16,595 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 16:20:16,597 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 04:20:16" (1/1) ... [2022-01-10 16:20:22,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 04:20:22 BasicIcfg [2022-01-10 16:20:22,863 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 16:20:22,864 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 16:20:22,864 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 16:20:22,877 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 16:20:22,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 04:19:22" (1/4) ... [2022-01-10 16:20:22,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c7bc305 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 04:20:22, skipping insertion in model container [2022-01-10 16:20:22,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:19:34" (2/4) ... [2022-01-10 16:20:22,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c7bc305 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 04:20:22, skipping insertion in model container [2022-01-10 16:20:22,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 04:20:16" (3/4) ... [2022-01-10 16:20:22,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c7bc305 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 04:20:22, skipping insertion in model container [2022-01-10 16:20:22,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 04:20:22" (4/4) ... [2022-01-10 16:20:22,879 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem07_label39.cTransformedIcfg [2022-01-10 16:20:22,883 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 16:20:22,883 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 16:20:22,929 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 16:20:22,933 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-10 16:20:22,933 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 16:20:23,033 INFO L276 IsEmpty]: Start isEmpty. Operand has 10257 states, 10255 states have (on average 1.9892735251097027) internal successors, (20400), 10256 states have internal predecessors, (20400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 16:20:23,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10092 [2022-01-10 16:20:23,966 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 16:20:23,970 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 16:20:23,973 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 16:20:23,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 16:20:23,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1775099639, now seen corresponding path program 1 times [2022-01-10 16:20:23,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 16:20:23,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392196605] [2022-01-10 16:20:23,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 16:20:23,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms