/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_BITWISE.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem12_label04.c


--------------------------------------------------------------------------------


This is Ultimate 0.2.2-dev-a10ec3b
[2022-01-10 10:51:53,806 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-01-10 10:51:53,807 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-01-10 10:51:53,849 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-01-10 10:51:53,855 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-01-10 10:51:53,857 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-01-10 10:51:53,859 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-01-10 10:51:53,863 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-01-10 10:51:53,864 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-01-10 10:51:53,864 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
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[2022-01-10 10:51:53,865 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-01-10 10:51:53,865 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-01-10 10:51:53,866 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-01-10 10:51:53,867 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-01-10 10:51:53,870 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-01-10 10:51:53,871 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-01-10 10:51:53,874 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-01-10 10:51:53,875 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-01-10 10:51:53,878 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-01-10 10:51:53,879 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-01-10 10:51:53,880 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-01-10 10:51:53,881 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-01-10 10:51:53,881 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-01-10 10:51:53,883 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-01-10 10:51:53,883 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-01-10 10:51:53,883 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-01-10 10:51:53,884 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-01-10 10:51:53,884 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-01-10 10:51:53,884 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-01-10 10:51:53,884 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-01-10 10:51:53,885 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-01-10 10:51:53,885 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-01-10 10:51:53,886 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-01-10 10:51:53,886 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-01-10 10:51:53,886 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-01-10 10:51:53,887 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-01-10 10:51:53,891 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-01-10 10:51:53,891 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-01-10 10:51:53,892 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-01-10 10:51:53,892 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-01-10 10:51:53,893 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_BITWISE.epf
[2022-01-10 10:51:53,909 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-01-10 10:51:53,909 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-01-10 10:51:53,910 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-01-10 10:51:53,910 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-01-10 10:51:53,910 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-01-10 10:51:53,911 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-01-10 10:51:53,911 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-01-10 10:51:53,911 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-01-10 10:51:53,912 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-01-10 10:51:53,912 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-01-10 10:51:53,912 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-01-10 10:51:53,912 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-01-10 10:51:53,913 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-01-10 10:51:53,913 INFO  L138        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2022-01-10 10:51:53,913 INFO  L138        SettingsManager]:  * Use bitvectors instead of ints=true
[2022-01-10 10:51:53,913 INFO  L138        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2022-01-10 10:51:53,913 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-01-10 10:51:53,913 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-01-10 10:51:53,913 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-01-10 10:51:53,913 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-01-10 10:51:53,913 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-01-10 10:51:53,913 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-01-10 10:51:53,914 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-01-10 10:51:53,914 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-01-10 10:51:53,914 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-01-10 10:51:53,914 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-01-10 10:51:53,914 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-01-10 10:51:53,914 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2022-01-10 10:51:53,914 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2022-01-10 10:51:53,914 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-01-10 10:51:53,914 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2022-01-10 10:51:53,914 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2022-01-10 10:51:53,915 INFO  L136        SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2022-01-10 10:51:53,915 INFO  L138        SettingsManager]:  * TransformationType=BV_TO_INT_BITWISE
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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN;
[2022-01-10 10:51:54,107 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-01-10 10:51:54,126 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-01-10 10:51:54,129 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-01-10 10:51:54,130 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-01-10 10:51:54,130 INFO  L275        PluginConnector]: CDTParser initialized
[2022-01-10 10:51:54,131 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label04.c
[2022-01-10 10:51:54,177 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/620da3010/6f8e21bced39478fb57efb8c6792ab63/FLAG6643fb76b
[2022-01-10 10:51:54,674 INFO  L306              CDTParser]: Found 1 translation units.
[2022-01-10 10:51:54,674 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label04.c
[2022-01-10 10:51:54,689 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/620da3010/6f8e21bced39478fb57efb8c6792ab63/FLAG6643fb76b
[2022-01-10 10:51:54,914 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/620da3010/6f8e21bced39478fb57efb8c6792ab63
[2022-01-10 10:51:54,918 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-01-10 10:51:54,919 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-01-10 10:51:54,920 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-01-10 10:51:54,920 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-01-10 10:51:54,922 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-01-10 10:51:54,923 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 10:51:54" (1/1) ...
[2022-01-10 10:51:54,924 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dc866d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:51:54, skipping insertion in model container
[2022-01-10 10:51:54,924 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 10:51:54" (1/1) ...
[2022-01-10 10:51:54,929 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-01-10 10:51:55,010 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-01-10 10:51:55,253 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/Problem12_label04.c[7422,7435]
[2022-01-10 10:51:55,842 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-01-10 10:51:55,849 INFO  L203         MainTranslator]: Completed pre-run
[2022-01-10 10:51:55,875 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/Problem12_label04.c[7422,7435]
[2022-01-10 10:51:56,182 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-01-10 10:51:56,196 INFO  L208         MainTranslator]: Completed translation
[2022-01-10 10:51:56,197 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:51:56 WrapperNode
[2022-01-10 10:51:56,197 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-01-10 10:51:56,198 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-01-10 10:51:56,198 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-01-10 10:51:56,198 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-01-10 10:51:56,202 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:51:56" (1/1) ...
[2022-01-10 10:51:56,265 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:51:56" (1/1) ...
[2022-01-10 10:51:56,362 INFO  L137                Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 4752
[2022-01-10 10:51:56,362 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-01-10 10:51:56,363 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-01-10 10:51:56,363 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-01-10 10:51:56,363 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-01-10 10:51:56,369 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:51:56" (1/1) ...
[2022-01-10 10:51:56,369 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:51:56" (1/1) ...
[2022-01-10 10:51:56,395 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:51:56" (1/1) ...
[2022-01-10 10:51:56,395 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:51:56" (1/1) ...
[2022-01-10 10:51:56,466 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:51:56" (1/1) ...
[2022-01-10 10:51:56,488 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:51:56" (1/1) ...
[2022-01-10 10:51:56,503 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:51:56" (1/1) ...
[2022-01-10 10:51:56,520 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-01-10 10:51:56,521 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-01-10 10:51:56,521 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-01-10 10:51:56,521 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-01-10 10:51:56,522 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:51:56" (1/1) ...
[2022-01-10 10:51:56,527 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-01-10 10:51:56,535 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-01-10 10:51:56,560 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 10:51:56,572 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 10:51:56,602 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-01-10 10:51:56,602 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2022-01-10 10:51:56,602 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-01-10 10:51:56,602 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-01-10 10:51:56,694 INFO  L234             CfgBuilder]: Building ICFG
[2022-01-10 10:51:56,695 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-01-10 10:52:16,562 INFO  L275             CfgBuilder]: Performing block encoding
[2022-01-10 10:52:16,573 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-01-10 10:52:16,573 INFO  L299             CfgBuilder]: Removed 1 assume(true) statements.
[2022-01-10 10:52:16,576 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 10:52:16 BoogieIcfgContainer
[2022-01-10 10:52:16,576 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-01-10 10:52:16,577 INFO  L113        PluginConnector]: ------------------------IcfgTransformer----------------------------
[2022-01-10 10:52:16,577 INFO  L271        PluginConnector]: Initializing IcfgTransformer...
[2022-01-10 10:52:16,579 INFO  L275        PluginConnector]: IcfgTransformer initialized
[2022-01-10 10:52:16,581 INFO  L185        PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 10:52:16" (1/1) ...
[2022-01-10 10:52:17,394 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 10:52:17 BasicIcfg
[2022-01-10 10:52:17,394 INFO  L132        PluginConnector]: ------------------------ END IcfgTransformer----------------------------
[2022-01-10 10:52:17,396 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-01-10 10:52:17,396 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-01-10 10:52:17,398 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-01-10 10:52:17,398 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 10:51:54" (1/4) ...
[2022-01-10 10:52:17,398 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e5405f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 10:52:17, skipping insertion in model container
[2022-01-10 10:52:17,399 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:51:56" (2/4) ...
[2022-01-10 10:52:17,399 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e5405f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 10:52:17, skipping insertion in model container
[2022-01-10 10:52:17,399 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 10:52:16" (3/4) ...
[2022-01-10 10:52:17,399 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e5405f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 10:52:17, skipping insertion in model container
[2022-01-10 10:52:17,399 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 10:52:17" (4/4) ...
[2022-01-10 10:52:17,400 INFO  L111   eAbstractionObserver]: Analyzing ICFG Problem12_label04.cTransformedIcfg
[2022-01-10 10:52:17,403 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-01-10 10:52:17,403 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-01-10 10:52:17,439 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-01-10 10:52:17,445 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 10:52:17,445 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-01-10 10:52:17,469 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 818 states, 816 states have (on average 1.9178921568627452) internal successors, (1565), 817 states have internal predecessors, (1565), 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 10:52:17,475 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 61
[2022-01-10 10:52:17,475 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-10 10:52:17,476 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]
[2022-01-10 10:52:17,476 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-10 10:52:17,479 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 10:52:17,479 INFO  L85        PathProgramCache]: Analyzing trace with hash 826945336, now seen corresponding path program 1 times
[2022-01-10 10:52:17,485 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-10 10:52:17,485 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955934982]
[2022-01-10 10:52:17,485 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 10:52:17,486 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-10 10:52:17,642 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 10:52:17,812 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-10 10:52:17,812 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-10 10:52:17,813 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955934982]
[2022-01-10 10:52:17,813 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955934982] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-10 10:52:17,813 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-10 10:52:17,814 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-01-10 10:52:17,815 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564657934]
[2022-01-10 10:52:17,816 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-10 10:52:17,819 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-01-10 10:52:17,819 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-10 10:52:17,840 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-01-10 10:52:17,841 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-01-10 10:52:17,845 INFO  L87              Difference]: Start difference. First operand  has 818 states, 816 states have (on average 1.9178921568627452) internal successors, (1565), 817 states have internal predecessors, (1565), 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 20.0) internal successors, (60), 2 states have internal predecessors, (60), 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 10:52:20,261 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 []
[2022-01-10 10:52:22,412 WARN  L534   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-01-10 10:52:24,525 WARN  L534   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-01-10 10:52:27,014 WARN  L534   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-01-10 10:52:29,167 WARN  L534   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-01-10 10:52:31,319 WARN  L534   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-01-10 10:52:33,464 WARN  L534   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-01-10 10:52:35,628 WARN  L534   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-01-10 10:52:37,779 WARN  L534   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-01-10 10:52:39,915 WARN  L534   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-01-10 10:52:42,126 WARN  L534   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-01-10 10:52:44,263 WARN  L534   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-01-10 10:52:46,457 WARN  L534   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-01-10 10:52:48,614 WARN  L534   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-01-10 10:52:50,747 WARN  L534   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-01-10 10:52:52,922 WARN  L534   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-01-10 10:52:55,072 WARN  L534   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-01-10 10:52:57,238 WARN  L534   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-01-10 10:52:59,414 WARN  L534   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-01-10 10:53:01,537 WARN  L534   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-01-10 10:53:03,689 WARN  L534   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-01-10 10:53:05,867 WARN  L534   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-01-10 10:53:08,042 WARN  L534   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-01-10 10:53:10,203 WARN  L534   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-01-10 10:53:12,375 WARN  L534   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []