/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInlineTransformed.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_SUM.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/prod4br-ll_valuebound5.c


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


This is Ultimate 0.2.2-dev-a10ec3b
[2022-01-11 02:43:52,405 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-01-11 02:43:52,406 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-01-11 02:43:52,430 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-01-11 02:43:52,431 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-01-11 02:43:52,433 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-01-11 02:43:52,444 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-01-11 02:43:52,449 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-01-11 02:43:52,450 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-01-11 02:43:52,458 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
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[2022-01-11 02:43:52,460 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-01-11 02:43:52,460 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-01-11 02:43:52,462 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-01-11 02:43:52,463 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-01-11 02:43:52,464 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-01-11 02:43:52,465 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-01-11 02:43:52,465 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-01-11 02:43:52,469 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-01-11 02:43:52,471 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-01-11 02:43:52,472 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-01-11 02:43:52,474 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-01-11 02:43:52,477 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-01-11 02:43:52,477 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-01-11 02:43:52,479 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-01-11 02:43:52,479 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-01-11 02:43:52,479 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-01-11 02:43:52,479 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-01-11 02:43:52,480 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-01-11 02:43:52,480 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-01-11 02:43:52,480 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-01-11 02:43:52,481 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-01-11 02:43:52,481 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-01-11 02:43:52,482 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-01-11 02:43:52,482 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-01-11 02:43:52,482 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-01-11 02:43:52,483 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-01-11 02:43:52,483 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-01-11 02:43:52,483 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-01-11 02:43:52,483 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-01-11 02:43:52,484 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-01-11 02:43:52,487 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_SUM.epf
[2022-01-11 02:43:52,509 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-01-11 02:43:52,509 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-01-11 02:43:52,509 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-01-11 02:43:52,509 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-01-11 02:43:52,510 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-01-11 02:43:52,510 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-01-11 02:43:52,510 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-01-11 02:43:52,510 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-01-11 02:43:52,510 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-01-11 02:43:52,510 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-01-11 02:43:52,510 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-01-11 02:43:52,510 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-01-11 02:43:52,510 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-01-11 02:43:52,511 INFO  L138        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2022-01-11 02:43:52,511 INFO  L138        SettingsManager]:  * Use bitvectors instead of ints=true
[2022-01-11 02:43:52,511 INFO  L138        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2022-01-11 02:43:52,511 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-01-11 02:43:52,513 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-01-11 02:43:52,513 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-01-11 02:43:52,513 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-01-11 02:43:52,514 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-01-11 02:43:52,515 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-01-11 02:43:52,515 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-01-11 02:43:52,515 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-01-11 02:43:52,515 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-01-11 02:43:52,515 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-01-11 02:43:52,515 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-01-11 02:43:52,516 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2022-01-11 02:43:52,516 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2022-01-11 02:43:52,516 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-01-11 02:43:52,516 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2022-01-11 02:43:52,516 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2022-01-11 02:43:52,517 INFO  L136        SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2022-01-11 02:43:52,517 INFO  L138        SettingsManager]:  * TransformationType=BV_TO_INT_SUM
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN;
[2022-01-11 02:43:52,684 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-01-11 02:43:52,696 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-01-11 02:43:52,697 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-01-11 02:43:52,698 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-01-11 02:43:52,699 INFO  L275        PluginConnector]: CDTParser initialized
[2022-01-11 02:43:52,699 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/prod4br-ll_valuebound5.c
[2022-01-11 02:43:52,733 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd19b4757/27ef7ddfd26a4bf68f6f32fdce976be8/FLAGfc77f74cd
[2022-01-11 02:43:53,107 INFO  L306              CDTParser]: Found 1 translation units.
[2022-01-11 02:43:53,108 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/prod4br-ll_valuebound5.c
[2022-01-11 02:43:53,117 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd19b4757/27ef7ddfd26a4bf68f6f32fdce976be8/FLAGfc77f74cd
[2022-01-11 02:43:53,127 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd19b4757/27ef7ddfd26a4bf68f6f32fdce976be8
[2022-01-11 02:43:53,129 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-01-11 02:43:53,132 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-01-11 02:43:53,133 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-01-11 02:43:53,133 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-01-11 02:43:53,136 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-01-11 02:43:53,136 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 02:43:53" (1/1) ...
[2022-01-11 02:43:53,137 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f4be910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:43:53, skipping insertion in model container
[2022-01-11 02:43:53,137 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 02:43:53" (1/1) ...
[2022-01-11 02:43:53,142 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-01-11 02:43:53,156 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-01-11 02:43:53,309 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/prod4br-ll_valuebound5.c[524,537]
[2022-01-11 02:43:53,334 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-01-11 02:43:53,341 INFO  L203         MainTranslator]: Completed pre-run
[2022-01-11 02:43:53,350 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/prod4br-ll_valuebound5.c[524,537]
[2022-01-11 02:43:53,365 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-01-11 02:43:53,392 INFO  L208         MainTranslator]: Completed translation
[2022-01-11 02:43:53,393 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:43:53 WrapperNode
[2022-01-11 02:43:53,393 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-01-11 02:43:53,395 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-01-11 02:43:53,396 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-01-11 02:43:53,396 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-01-11 02:43:53,401 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:43:53" (1/1) ...
[2022-01-11 02:43:53,407 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:43:53" (1/1) ...
[2022-01-11 02:43:53,422 INFO  L137                Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 75
[2022-01-11 02:43:53,423 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-01-11 02:43:53,423 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-01-11 02:43:53,423 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-01-11 02:43:53,423 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-01-11 02:43:53,429 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:43:53" (1/1) ...
[2022-01-11 02:43:53,429 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:43:53" (1/1) ...
[2022-01-11 02:43:53,438 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:43:53" (1/1) ...
[2022-01-11 02:43:53,439 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:43:53" (1/1) ...
[2022-01-11 02:43:53,444 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:43:53" (1/1) ...
[2022-01-11 02:43:53,446 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:43:53" (1/1) ...
[2022-01-11 02:43:53,447 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:43:53" (1/1) ...
[2022-01-11 02:43:53,448 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-01-11 02:43:53,449 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-01-11 02:43:53,449 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-01-11 02:43:53,449 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-01-11 02:43:53,449 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:43:53" (1/1) ...
[2022-01-11 02:43:53,454 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-01-11 02:43:53,462 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-01-11 02:43:53,501 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 02:43:53,525 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 02:43:53,554 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-01-11 02:43:53,554 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2022-01-11 02:43:53,554 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-01-11 02:43:53,554 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-01-11 02:43:53,595 INFO  L234             CfgBuilder]: Building ICFG
[2022-01-11 02:43:53,596 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-01-11 02:43:54,517 INFO  L275             CfgBuilder]: Performing block encoding
[2022-01-11 02:43:54,520 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-01-11 02:43:54,521 INFO  L299             CfgBuilder]: Removed 1 assume(true) statements.
[2022-01-11 02:43:54,522 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 02:43:54 BoogieIcfgContainer
[2022-01-11 02:43:54,522 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-01-11 02:43:54,522 INFO  L113        PluginConnector]: ------------------------IcfgTransformer----------------------------
[2022-01-11 02:43:54,522 INFO  L271        PluginConnector]: Initializing IcfgTransformer...
[2022-01-11 02:43:54,523 INFO  L275        PluginConnector]: IcfgTransformer initialized
[2022-01-11 02:43:54,525 INFO  L185        PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 02:43:54" (1/1) ...
[2022-01-11 02:43:54,594 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 02:43:54 BasicIcfg
[2022-01-11 02:43:54,594 INFO  L132        PluginConnector]: ------------------------ END IcfgTransformer----------------------------
[2022-01-11 02:43:54,595 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-01-11 02:43:54,595 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-01-11 02:43:54,597 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-01-11 02:43:54,597 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.01 02:43:53" (1/4) ...
[2022-01-11 02:43:54,598 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38aec4ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 02:43:54, skipping insertion in model container
[2022-01-11 02:43:54,598 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:43:53" (2/4) ...
[2022-01-11 02:43:54,599 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38aec4ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 02:43:54, skipping insertion in model container
[2022-01-11 02:43:54,599 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 02:43:54" (3/4) ...
[2022-01-11 02:43:54,600 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38aec4ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 02:43:54, skipping insertion in model container
[2022-01-11 02:43:54,600 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 02:43:54" (4/4) ...
[2022-01-11 02:43:54,600 INFO  L111   eAbstractionObserver]: Analyzing ICFG prod4br-ll_valuebound5.cTransformedIcfg
[2022-01-11 02:43:54,604 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-01-11 02:43:54,605 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations.
[2022-01-11 02:43:54,634 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-01-11 02:43:54,639 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 02:43:54,639 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2022-01-11 02:43:54,647 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 29 states, 25 states have (on average 1.6) internal successors, (40), 28 states have internal predecessors, (40), 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 02:43:54,650 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2022-01-11 02:43:54,650 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-11 02:43:54,651 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-11 02:43:54,651 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-11 02:43:54,654 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-11 02:43:54,654 INFO  L85        PathProgramCache]: Analyzing trace with hash -537283417, now seen corresponding path program 1 times
[2022-01-11 02:43:54,659 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-11 02:43:54,660 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785165929]
[2022-01-11 02:43:54,660 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-11 02:43:54,660 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-11 02:43:54,724 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-11 02:43:54,756 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 02:43:54,756 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-11 02:43:54,756 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785165929]
[2022-01-11 02:43:54,757 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785165929] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-11 02:43:54,757 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-11 02:43:54,757 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-01-11 02:43:54,758 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344326924]
[2022-01-11 02:43:54,759 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-11 02:43:54,761 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-01-11 02:43:54,762 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-11 02:43:54,785 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-01-11 02:43:54,786 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-01-11 02:43:54,788 INFO  L87              Difference]: Start difference. First operand  has 29 states, 25 states have (on average 1.6) internal successors, (40), 28 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-11 02:43:54,803 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-11 02:43:54,803 INFO  L93              Difference]: Finished difference Result 55 states and 76 transitions.
[2022-01-11 02:43:54,804 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-01-11 02:43:54,806 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11
[2022-01-11 02:43:54,806 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-11 02:43:54,812 INFO  L225             Difference]: With dead ends: 55
[2022-01-11 02:43:54,812 INFO  L226             Difference]: Without dead ends: 25
[2022-01-11 02:43:54,814 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-01-11 02:43:54,817 INFO  L933         BasicCegarLoop]: 32 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-01-11 02:43:54,818 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-01-11 02:43:54,830 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 25 states.
[2022-01-11 02:43:54,841 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25.
[2022-01-11 02:43:54,842 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 25 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 24 states have internal predecessors, (28), 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 02:43:54,843 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions.
[2022-01-11 02:43:54,843 INFO  L78                 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 11
[2022-01-11 02:43:54,844 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-11 02:43:54,844 INFO  L470      AbstractCegarLoop]: Abstraction has 25 states and 28 transitions.
[2022-01-11 02:43:54,844 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-11 02:43:54,845 INFO  L276                IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions.
[2022-01-11 02:43:54,846 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2022-01-11 02:43:54,846 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-11 02:43:54,846 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-11 02:43:54,846 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-01-11 02:43:54,846 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-11 02:43:54,848 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-11 02:43:54,848 INFO  L85        PathProgramCache]: Analyzing trace with hash -1456310678, now seen corresponding path program 1 times
[2022-01-11 02:43:54,848 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-11 02:43:54,849 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647874983]
[2022-01-11 02:43:54,849 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-11 02:43:54,849 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-11 02:43:54,897 ERROR L247   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2022-01-11 02:43:54,898 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1562986521]
[2022-01-11 02:43:54,898 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-11 02:43:54,898 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-01-11 02:43:54,898 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-01-11 02:43:54,908 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-01-11 02:43:54,912 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2022-01-11 02:43:55,122 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-11 02:43:55,124 INFO  L263         TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 32 conjunts are in the unsatisfiable core
[2022-01-11 02:43:55,130 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-01-11 02:43:55,858 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 02:43:55,859 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-01-11 02:43:55,859 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-11 02:43:55,859 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647874983]
[2022-01-11 02:43:55,859 WARN  L312   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2022-01-11 02:43:55,859 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1562986521]
[2022-01-11 02:43:55,859 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1562986521] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-11 02:43:55,859 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-11 02:43:55,860 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2022-01-11 02:43:55,860 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255887161]
[2022-01-11 02:43:55,860 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-11 02:43:55,861 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2022-01-11 02:43:55,861 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-11 02:43:55,861 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2022-01-11 02:43:55,861 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90
[2022-01-11 02:43:55,861 INFO  L87              Difference]: Start difference. First operand 25 states and 28 transitions. Second operand  has 10 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-11 02:43:56,347 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-11 02:43:56,347 INFO  L93              Difference]: Finished difference Result 42 states and 48 transitions.
[2022-01-11 02:43:56,349 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-01-11 02:43:56,349 INFO  L78                 Accepts]: Start accepts. Automaton has  has 10 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11
[2022-01-11 02:43:56,349 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-11 02:43:56,350 INFO  L225             Difference]: With dead ends: 42
[2022-01-11 02:43:56,350 INFO  L226             Difference]: Without dead ends: 40
[2022-01-11 02:43:56,350 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=92, Invalid=148, Unknown=0, NotChecked=0, Total=240
[2022-01-11 02:43:56,351 INFO  L933         BasicCegarLoop]: 11 mSDtfsCounter, 178 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2022-01-11 02:43:56,351 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [178 Valid, 28 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2022-01-11 02:43:56,352 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 40 states.
[2022-01-11 02:43:56,355 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 27.
[2022-01-11 02:43:56,355 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 27 states, 24 states have (on average 1.25) internal successors, (30), 26 states have internal predecessors, (30), 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 02:43:56,355 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions.
[2022-01-11 02:43:56,355 INFO  L78                 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 11
[2022-01-11 02:43:56,356 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-11 02:43:56,356 INFO  L470      AbstractCegarLoop]: Abstraction has 27 states and 30 transitions.
[2022-01-11 02:43:56,356 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-11 02:43:56,356 INFO  L276                IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions.
[2022-01-11 02:43:56,356 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2022-01-11 02:43:56,356 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-11 02:43:56,356 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-11 02:43:56,361 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2022-01-11 02:43:56,557 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-01-11 02:43:56,558 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-11 02:43:56,558 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-11 02:43:56,558 INFO  L85        PathProgramCache]: Analyzing trace with hash 1189475461, now seen corresponding path program 1 times
[2022-01-11 02:43:56,558 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-11 02:43:56,558 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020732678]
[2022-01-11 02:43:56,558 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-11 02:43:56,559 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-11 02:43:56,575 ERROR L247   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2022-01-11 02:43:56,575 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1386168726]
[2022-01-11 02:43:56,575 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-11 02:43:56,575 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-01-11 02:43:56,575 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-01-11 02:43:56,576 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-01-11 02:43:56,577 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2022-01-11 02:43:56,618 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-11 02:43:56,619 INFO  L263         TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 18 conjunts are in the unsatisfiable core
[2022-01-11 02:43:56,622 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-01-11 02:43:58,945 WARN  L838   $PredicateComparison]: unable to prove that (and (or (and (<= |c_ULTIMATE.start_ULTIMATE.start___VERIFIER_assert_~cond#1Int| 0) (exists ((|ULTIMATE.start_ULTIMATE.start_main_~p~0#1Int| Int)) (not (= (mod (* (+ (* 18446744069414584320 (mod (div |c_ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int| 2147483648) 2)) |c_ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int|) (+ (* 18446744069414584320 (mod (div |c_ULTIMATE.start_ULTIMATE.start_main_~x~0#1Int| 2147483648) 2)) |c_ULTIMATE.start_ULTIMATE.start_main_~x~0#1Int|)) 18446744073709551616) (mod (+ (mod (* |ULTIMATE.start_ULTIMATE.start_main_~p~0#1Int| (mod (* |c_ULTIMATE.start_ULTIMATE.start_main_~a~0#1Int| |c_ULTIMATE.start_ULTIMATE.start_main_~b~0#1Int|) 18446744073709551616)) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~q~0#1Int|) 18446744073709551616))))) (and (<= |c_ULTIMATE.start_ULTIMATE.start___VERIFIER_assert_~cond#1Int| 1) (exists ((|ULTIMATE.start_ULTIMATE.start_main_~p~0#1Int| Int)) (= (mod (* (+ (* 18446744069414584320 (mod (div |c_ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int| 2147483648) 2)) |c_ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int|) (+ (* 18446744069414584320 (mod (div |c_ULTIMATE.start_ULTIMATE.start_main_~x~0#1Int| 2147483648) 2)) |c_ULTIMATE.start_ULTIMATE.start_main_~x~0#1Int|)) 18446744073709551616) (mod (+ (mod (* |ULTIMATE.start_ULTIMATE.start_main_~p~0#1Int| (mod (* |c_ULTIMATE.start_ULTIMATE.start_main_~a~0#1Int| |c_ULTIMATE.start_ULTIMATE.start_main_~b~0#1Int|) 18446744073709551616)) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~q~0#1Int|) 18446744073709551616))))) (<= 0 |c_ULTIMATE.start_ULTIMATE.start_main_~a~0#1Int|) (<= 0 |c_ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int|) (= |c_ULTIMATE.start_ULTIMATE.start_main_~q~0#1Int| 0) (<= 0 |c_ULTIMATE.start_ULTIMATE.start___VERIFIER_assert_~cond#1Int|) (<= (+ (* 18446744069414584320 (mod (div |c_ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int| 2147483648) 2)) |c_ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int|) |c_ULTIMATE.start_ULTIMATE.start_main_~b~0#1Int|) (<= (+ (* (mod 1 2147483648) 2) |c_ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int|) (+ (* 2 (mod |c_ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int| 2147483648)) 1))) is different from false
[2022-01-11 02:44:01,759 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 02:44:01,759 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-01-11 02:44:01,759 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-11 02:44:01,759 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020732678]
[2022-01-11 02:44:01,759 WARN  L312   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2022-01-11 02:44:01,759 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386168726]
[2022-01-11 02:44:01,759 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1386168726] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-11 02:44:01,760 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-11 02:44:01,760 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2022-01-11 02:44:01,760 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363065466]
[2022-01-11 02:44:01,760 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-11 02:44:01,760 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2022-01-11 02:44:01,760 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-11 02:44:01,760 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2022-01-11 02:44:01,761 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=49, Unknown=1, NotChecked=14, Total=90
[2022-01-11 02:44:01,761 INFO  L87              Difference]: Start difference. First operand 27 states and 30 transitions. Second operand  has 10 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 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 02:44:11,727 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-11 02:44:11,728 INFO  L93              Difference]: Finished difference Result 37 states and 40 transitions.
[2022-01-11 02:44:11,728 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-01-11 02:44:11,728 INFO  L78                 Accepts]: Start accepts. Automaton has  has 10 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15
[2022-01-11 02:44:11,728 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-11 02:44:11,729 INFO  L225             Difference]: With dead ends: 37
[2022-01-11 02:44:11,729 INFO  L226             Difference]: Without dead ends: 35
[2022-01-11 02:44:11,729 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 14.3s TimeCoverageRelationStatistics Valid=57, Invalid=128, Unknown=1, NotChecked=24, Total=210
[2022-01-11 02:44:11,730 INFO  L933         BasicCegarLoop]: 19 mSDtfsCounter, 28 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 36 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-01-11 02:44:11,730 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 77 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 36 Unchecked, 0.1s Time]
[2022-01-11 02:44:11,730 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 35 states.
[2022-01-11 02:44:11,733 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 31.
[2022-01-11 02:44:11,733 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 31 states, 28 states have (on average 1.25) internal successors, (35), 30 states have internal predecessors, (35), 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 02:44:11,734 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions.
[2022-01-11 02:44:11,734 INFO  L78                 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 15
[2022-01-11 02:44:11,734 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-11 02:44:11,734 INFO  L470      AbstractCegarLoop]: Abstraction has 31 states and 35 transitions.
[2022-01-11 02:44:11,734 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 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 02:44:11,734 INFO  L276                IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions.
[2022-01-11 02:44:11,735 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2022-01-11 02:44:11,735 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-11 02:44:11,735 INFO  L514         BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-11 02:44:11,765 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2022-01-11 02:44:11,947 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2
[2022-01-11 02:44:11,948 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-11 02:44:11,948 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-11 02:44:11,948 INFO  L85        PathProgramCache]: Analyzing trace with hash -1779599935, now seen corresponding path program 1 times
[2022-01-11 02:44:11,948 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-11 02:44:11,948 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031718235]
[2022-01-11 02:44:11,948 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-11 02:44:11,948 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-11 02:44:11,975 ERROR L247   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2022-01-11 02:44:11,975 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1128628853]
[2022-01-11 02:44:11,975 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-11 02:44:11,976 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-01-11 02:44:11,976 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-01-11 02:44:11,980 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-01-11 02:44:12,003 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2022-01-11 02:44:12,200 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-11 02:44:12,201 INFO  L263         TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 49 conjunts are in the unsatisfiable core
[2022-01-11 02:44:12,204 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-01-11 02:44:42,163 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-11 02:44:42,164 INFO  L328         TraceCheckSpWp]: Computing backward predicates...