/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/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/geo1-ll_valuebound10.c


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


This is Ultimate 0.2.2-dev-a10ec3b
[2022-01-10 03:14:18,670 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-01-10 03:14:18,672 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-01-10 03:14:18,727 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-01-10 03:14:18,728 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-01-10 03:14:18,731 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-01-10 03:14:18,734 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-01-10 03:14:18,738 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-01-10 03:14:18,743 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
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[2022-01-10 03:14:18,750 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-01-10 03:14:18,750 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-01-10 03:14:18,752 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-01-10 03:14:18,753 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-01-10 03:14:18,755 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-01-10 03:14:18,756 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-01-10 03:14:18,757 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-01-10 03:14:18,759 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-01-10 03:14:18,764 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-01-10 03:14:18,765 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-01-10 03:14:18,766 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-01-10 03:14:18,768 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-01-10 03:14:18,768 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-01-10 03:14:18,772 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2022-01-10 03:14:18,773 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-01-10 03:14:18,773 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-01-10 03:14:18,774 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-01-10 03:14:18,774 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-01-10 03:14:18,774 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-01-10 03:14:18,775 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-01-10 03:14:18,779 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-01-10 03:14:18,780 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-01-10 03:14:18,782 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-01-10 03:14:18,782 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-01-10 03:14:18,782 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-01-10 03:14:18,782 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-01-10 03:14:18,783 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-01-10 03:14:18,783 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-01-10 03:14:18,784 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-01-10 03:14:18,785 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf
[2022-01-10 03:14:18,805 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-01-10 03:14:18,805 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-01-10 03:14:18,806 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-01-10 03:14:18,806 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-01-10 03:14:18,806 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-01-10 03:14:18,807 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-01-10 03:14:18,809 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-01-10 03:14:18,809 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-01-10 03:14:18,809 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-01-10 03:14:18,809 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-01-10 03:14:18,810 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-01-10 03:14:18,810 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-01-10 03:14:18,810 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-01-10 03:14:18,810 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-01-10 03:14:18,810 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-01-10 03:14:18,810 INFO  L138        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2022-01-10 03:14:18,811 INFO  L138        SettingsManager]:  * Use bitvectors instead of ints=true
[2022-01-10 03:14:18,811 INFO  L138        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2022-01-10 03:14:18,811 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-01-10 03:14:18,811 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-01-10 03:14:18,811 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-01-10 03:14:18,811 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-01-10 03:14:18,811 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-01-10 03:14:18,812 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-01-10 03:14:18,813 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-01-10 03:14:18,813 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-01-10 03:14:18,813 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-01-10 03:14:18,813 INFO  L138        SettingsManager]:  * Trace refinement strategy=WOLF
[2022-01-10 03:14:18,813 INFO  L138        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt 
[2022-01-10 03:14:18,813 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2022-01-10 03:14:18,813 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2022-01-10 03:14:18,814 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-01-10 03:14:18,814 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2022-01-10 03:14:18,814 INFO  L138        SettingsManager]:  * Logic for external solver=AUFBV
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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN;
[2022-01-10 03:14:19,059 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-01-10 03:14:19,079 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-01-10 03:14:19,081 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-01-10 03:14:19,082 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-01-10 03:14:19,083 INFO  L275        PluginConnector]: CDTParser initialized
[2022-01-10 03:14:19,084 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/geo1-ll_valuebound10.c
[2022-01-10 03:14:19,141 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efedb7e41/3d7b20f12a9146e89881b6d94c8887bc/FLAG54b7cd05c
[2022-01-10 03:14:19,549 INFO  L306              CDTParser]: Found 1 translation units.
[2022-01-10 03:14:19,550 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/geo1-ll_valuebound10.c
[2022-01-10 03:14:19,559 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efedb7e41/3d7b20f12a9146e89881b6d94c8887bc/FLAG54b7cd05c
[2022-01-10 03:14:19,965 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efedb7e41/3d7b20f12a9146e89881b6d94c8887bc
[2022-01-10 03:14:19,969 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-01-10 03:14:19,971 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2022-01-10 03:14:19,973 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-01-10 03:14:19,974 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-01-10 03:14:19,977 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-01-10 03:14:19,978 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 03:14:19" (1/1) ...
[2022-01-10 03:14:19,979 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@741eea45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:14:19, skipping insertion in model container
[2022-01-10 03:14:19,979 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 03:14:19" (1/1) ...
[2022-01-10 03:14:19,986 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-01-10 03:14:20,000 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-01-10 03:14:20,131 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/geo1-ll_valuebound10.c[546,559]
[2022-01-10 03:14:20,144 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-01-10 03:14:20,158 INFO  L203         MainTranslator]: Completed pre-run
[2022-01-10 03:14:20,169 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/geo1-ll_valuebound10.c[546,559]
[2022-01-10 03:14:20,174 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-01-10 03:14:20,209 INFO  L208         MainTranslator]: Completed translation
[2022-01-10 03:14:20,209 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:14:20 WrapperNode
[2022-01-10 03:14:20,209 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-01-10 03:14:20,210 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-01-10 03:14:20,210 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-01-10 03:14:20,210 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-01-10 03:14:20,216 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:14:20" (1/1) ...
[2022-01-10 03:14:20,224 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:14:20" (1/1) ...
[2022-01-10 03:14:20,239 INFO  L137                Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 40
[2022-01-10 03:14:20,239 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-01-10 03:14:20,240 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-01-10 03:14:20,240 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-01-10 03:14:20,240 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-01-10 03:14:20,246 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:14:20" (1/1) ...
[2022-01-10 03:14:20,246 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:14:20" (1/1) ...
[2022-01-10 03:14:20,248 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:14:20" (1/1) ...
[2022-01-10 03:14:20,249 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:14:20" (1/1) ...
[2022-01-10 03:14:20,253 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:14:20" (1/1) ...
[2022-01-10 03:14:20,256 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:14:20" (1/1) ...
[2022-01-10 03:14:20,257 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:14:20" (1/1) ...
[2022-01-10 03:14:20,259 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-01-10 03:14:20,260 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-01-10 03:14:20,260 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-01-10 03:14:20,260 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-01-10 03:14:20,261 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:14:20" (1/1) ...
[2022-01-10 03:14:20,267 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-01-10 03:14:20,277 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-01-10 03:14:20,297 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 03:14:20,318 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 03:14:20,342 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-01-10 03:14:20,342 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2022-01-10 03:14:20,342 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2022-01-10 03:14:20,343 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2022-01-10 03:14:20,343 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-01-10 03:14:20,343 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-01-10 03:14:20,343 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2022-01-10 03:14:20,343 INFO  L138     BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2022-01-10 03:14:20,398 INFO  L234             CfgBuilder]: Building ICFG
[2022-01-10 03:14:20,400 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-01-10 03:14:20,735 INFO  L275             CfgBuilder]: Performing block encoding
[2022-01-10 03:14:20,741 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-01-10 03:14:20,741 INFO  L299             CfgBuilder]: Removed 1 assume(true) statements.
[2022-01-10 03:14:20,742 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:14:20 BoogieIcfgContainer
[2022-01-10 03:14:20,743 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-01-10 03:14:20,744 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-01-10 03:14:20,744 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-01-10 03:14:20,747 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-01-10 03:14:20,747 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 03:14:19" (1/3) ...
[2022-01-10 03:14:20,748 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76e1bf30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 03:14:20, skipping insertion in model container
[2022-01-10 03:14:20,748 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:14:20" (2/3) ...
[2022-01-10 03:14:20,748 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76e1bf30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 03:14:20, skipping insertion in model container
[2022-01-10 03:14:20,749 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:14:20" (3/3) ...
[2022-01-10 03:14:20,750 INFO  L111   eAbstractionObserver]: Analyzing ICFG geo1-ll_valuebound10.c
[2022-01-10 03:14:20,754 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-01-10 03:14:20,754 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-01-10 03:14:20,822 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-01-10 03:14:20,846 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 03:14:20,846 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-01-10 03:14:20,871 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 27 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 18 states have internal predecessors, (23), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2022-01-10 03:14:20,876 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 30
[2022-01-10 03:14:20,876 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-10 03:14:20,876 INFO  L514         BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-10 03:14:20,877 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-10 03:14:20,881 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 03:14:20,882 INFO  L85        PathProgramCache]: Analyzing trace with hash -439363615, now seen corresponding path program 1 times
[2022-01-10 03:14:20,899 INFO  L121   FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-01-10 03:14:20,900 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1475386072]
[2022-01-10 03:14:20,900 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 03:14:20,901 INFO  L168          SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-01-10 03:14:20,901 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2022-01-10 03:14:20,917 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-01-10 03:14:20,929 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2022-01-10 03:14:21,023 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 03:14:21,029 INFO  L263         TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjunts are in the unsatisfiable core
[2022-01-10 03:14:21,033 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-01-10 03:14:21,131 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.
[2022-01-10 03:14:21,131 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-01-10 03:14:21,132 INFO  L139   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-01-10 03:14:21,132 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1475386072]
[2022-01-10 03:14:21,132 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1475386072] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-10 03:14:21,133 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-10 03:14:21,133 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-01-10 03:14:21,134 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003641730]
[2022-01-10 03:14:21,135 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-10 03:14:21,139 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-01-10 03:14:21,139 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-01-10 03:14:21,163 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-01-10 03:14:21,164 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-01-10 03:14:21,165 INFO  L87              Difference]: Start difference. First operand  has 27 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 18 states have internal predecessors, (23), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand  has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4)
[2022-01-10 03:14:21,181 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-10 03:14:21,181 INFO  L93              Difference]: Finished difference Result 51 states and 72 transitions.
[2022-01-10 03:14:21,182 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-01-10 03:14:21,183 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 29
[2022-01-10 03:14:21,183 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-10 03:14:21,189 INFO  L225             Difference]: With dead ends: 51
[2022-01-10 03:14:21,190 INFO  L226             Difference]: Without dead ends: 23
[2022-01-10 03:14:21,192 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-01-10 03:14:21,195 INFO  L933         BasicCegarLoop]: 31 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, 31 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
[2022-01-10 03:14:21,196 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-01-10 03:14:21,211 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 23 states.
[2022-01-10 03:14:21,232 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23.
[2022-01-10 03:14:21,233 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 23 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 15 states have internal predecessors, (16), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2022-01-10 03:14:21,234 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions.
[2022-01-10 03:14:21,235 INFO  L78                 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 29
[2022-01-10 03:14:21,235 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-10 03:14:21,236 INFO  L470      AbstractCegarLoop]: Abstraction has 23 states and 27 transitions.
[2022-01-10 03:14:21,236 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4)
[2022-01-10 03:14:21,236 INFO  L276                IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions.
[2022-01-10 03:14:21,238 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 30
[2022-01-10 03:14:21,238 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-10 03:14:21,238 INFO  L514         BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-10 03:14:21,251 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2022-01-10 03:14:21,438 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3
[2022-01-10 03:14:21,439 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-10 03:14:21,440 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 03:14:21,440 INFO  L85        PathProgramCache]: Analyzing trace with hash 1976149669, now seen corresponding path program 1 times
[2022-01-10 03:14:21,441 INFO  L121   FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-01-10 03:14:21,441 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [707435206]
[2022-01-10 03:14:21,441 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 03:14:21,441 INFO  L168          SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-01-10 03:14:21,442 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2022-01-10 03:14:21,443 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-01-10 03:14:21,445 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2022-01-10 03:14:21,512 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 03:14:21,518 INFO  L263         TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjunts are in the unsatisfiable core
[2022-01-10 03:14:21,521 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-01-10 03:14:21,927 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2022-01-10 03:14:21,928 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-01-10 03:14:22,870 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2022-01-10 03:14:22,871 INFO  L139   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-01-10 03:14:22,871 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [707435206]
[2022-01-10 03:14:22,871 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleMathsat [707435206] provided 1 perfect and 1 imperfect interpolant sequences
[2022-01-10 03:14:22,871 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-01-10 03:14:22,872 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12
[2022-01-10 03:14:22,872 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699392576]
[2022-01-10 03:14:22,872 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-10 03:14:22,873 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-01-10 03:14:22,873 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-01-10 03:14:22,874 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-01-10 03:14:22,874 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132
[2022-01-10 03:14:22,875 INFO  L87              Difference]: Start difference. First operand 23 states and 27 transitions. Second operand  has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2022-01-10 03:14:25,250 WARN  L534   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-01-10 03:14:26,007 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-10 03:14:26,007 INFO  L93              Difference]: Finished difference Result 33 states and 38 transitions.
[2022-01-10 03:14:26,032 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2022-01-10 03:14:26,033 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 29
[2022-01-10 03:14:26,033 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-10 03:14:26,034 INFO  L225             Difference]: With dead ends: 33
[2022-01-10 03:14:26,034 INFO  L226             Difference]: Without dead ends: 31
[2022-01-10 03:14:26,034 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156
[2022-01-10 03:14:26,036 INFO  L933         BasicCegarLoop]: 23 mSDtfsCounter, 7 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time
[2022-01-10 03:14:26,036 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 87 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time]
[2022-01-10 03:14:26,037 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 31 states.
[2022-01-10 03:14:26,042 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 29.
[2022-01-10 03:14:26,043 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 29 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 20 states have internal predecessors, (20), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6)
[2022-01-10 03:14:26,043 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions.
[2022-01-10 03:14:26,044 INFO  L78                 Accepts]: Start accepts. Automaton has 29 states and 33 transitions. Word has length 29
[2022-01-10 03:14:26,045 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-10 03:14:26,045 INFO  L470      AbstractCegarLoop]: Abstraction has 29 states and 33 transitions.
[2022-01-10 03:14:26,045 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2022-01-10 03:14:26,045 INFO  L276                IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions.
[2022-01-10 03:14:26,046 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 37
[2022-01-10 03:14:26,046 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-10 03:14:26,046 INFO  L514         BasicCegarLoop]: trace histogram [4, 4, 4, 2, 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 03:14:26,058 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2022-01-10 03:14:26,258 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3
[2022-01-10 03:14:26,259 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-10 03:14:26,259 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 03:14:26,259 INFO  L85        PathProgramCache]: Analyzing trace with hash -900153941, now seen corresponding path program 1 times
[2022-01-10 03:14:26,260 INFO  L121   FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-01-10 03:14:26,260 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [434298296]
[2022-01-10 03:14:26,260 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 03:14:26,260 INFO  L168          SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-01-10 03:14:26,260 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2022-01-10 03:14:26,262 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-01-10 03:14:26,262 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2022-01-10 03:14:26,363 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 03:14:26,373 INFO  L263         TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 12 conjunts are in the unsatisfiable core
[2022-01-10 03:14:26,376 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-01-10 03:14:26,888 INFO  L134       CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2022-01-10 03:14:26,888 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-01-10 03:14:28,841 INFO  L134       CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2022-01-10 03:14:28,841 INFO  L139   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-01-10 03:14:28,841 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [434298296]
[2022-01-10 03:14:28,841 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleMathsat [434298296] provided 0 perfect and 2 imperfect interpolant sequences
[2022-01-10 03:14:28,841 INFO  L186   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2022-01-10 03:14:28,842 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 16
[2022-01-10 03:14:28,842 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467757369]
[2022-01-10 03:14:28,842 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2022-01-10 03:14:28,842 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2022-01-10 03:14:28,843 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-01-10 03:14:28,843 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2022-01-10 03:14:28,843 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240
[2022-01-10 03:14:28,844 INFO  L87              Difference]: Start difference. First operand 29 states and 33 transitions. Second operand  has 16 states, 14 states have (on average 2.0) internal successors, (28), 12 states have internal predecessors, (28), 8 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10)
[2022-01-10 03:14:32,362 WARN  L534   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-01-10 03:14:34,385 WARN  L534   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-01-10 03:14:36,918 WARN  L534   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-01-10 03:14:37,296 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-10 03:14:37,296 INFO  L93              Difference]: Finished difference Result 43 states and 49 transitions.
[2022-01-10 03:14:37,297 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-01-10 03:14:37,297 INFO  L78                 Accepts]: Start accepts. Automaton has  has 16 states, 14 states have (on average 2.0) internal successors, (28), 12 states have internal predecessors, (28), 8 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) Word has length 36
[2022-01-10 03:14:37,297 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-10 03:14:37,298 INFO  L225             Difference]: With dead ends: 43
[2022-01-10 03:14:37,298 INFO  L226             Difference]: Without dead ends: 33
[2022-01-10 03:14:37,298 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=73, Invalid=347, Unknown=0, NotChecked=0, Total=420
[2022-01-10 03:14:37,299 INFO  L933         BasicCegarLoop]: 18 mSDtfsCounter, 30 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 21 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 1 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time
[2022-01-10 03:14:37,300 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 162 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 125 Invalid, 3 Unknown, 1 Unchecked, 7.7s Time]
[2022-01-10 03:14:37,300 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 33 states.
[2022-01-10 03:14:37,306 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33.
[2022-01-10 03:14:37,306 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 33 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 22 states have internal predecessors, (23), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2022-01-10 03:14:37,307 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions.
[2022-01-10 03:14:37,307 INFO  L78                 Accepts]: Start accepts. Automaton has 33 states and 38 transitions. Word has length 36
[2022-01-10 03:14:37,307 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-10 03:14:37,308 INFO  L470      AbstractCegarLoop]: Abstraction has 33 states and 38 transitions.
[2022-01-10 03:14:37,308 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 16 states, 14 states have (on average 2.0) internal successors, (28), 12 states have internal predecessors, (28), 8 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10)
[2022-01-10 03:14:37,308 INFO  L276                IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions.
[2022-01-10 03:14:37,309 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 37
[2022-01-10 03:14:37,309 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-10 03:14:37,309 INFO  L514         BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-10 03:14:37,320 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0
[2022-01-10 03:14:37,520 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3
[2022-01-10 03:14:37,520 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-10 03:14:37,521 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 03:14:37,521 INFO  L85        PathProgramCache]: Analyzing trace with hash -852190431, now seen corresponding path program 1 times
[2022-01-10 03:14:37,521 INFO  L121   FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-01-10 03:14:37,521 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2141006512]
[2022-01-10 03:14:37,522 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 03:14:37,522 INFO  L168          SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-01-10 03:14:37,522 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2022-01-10 03:14:37,523 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-01-10 03:14:37,525 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2022-01-10 03:14:37,641 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 03:14:37,653 INFO  L263         TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 16 conjunts are in the unsatisfiable core
[2022-01-10 03:14:37,655 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-01-10 03:14:39,260 INFO  L134       CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2022-01-10 03:14:39,261 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-01-10 03:14:56,958 WARN  L860   $PredicateComparison]: unable to prove that (let ((.cse2 ((_ sign_extend 32) |c_ULTIMATE.start_main_~z~0#1|))) (let ((.cse0 (bvmul |c_ULTIMATE.start_main_~x~0#1| .cse2))) (or (not (= (_ bv0 64) (bvadd (bvneg |c_ULTIMATE.start_main_~x~0#1|) (bvneg |c_ULTIMATE.start_main_~y~0#1|) .cse0 (_ bv1 64)))) (= (let ((.cse1 (bvadd .cse0 (_ bv1 64)))) (bvadd (bvneg .cse1) (_ bv1 64) (bvmul .cse2 .cse1) (bvneg (bvmul |c_ULTIMATE.start_main_~y~0#1| .cse2)))) (_ bv0 64))))) is different from true
[2022-01-10 03:15:02,598 INFO  L134       CoverageAnalysis]: Checked inductivity of 28 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 2 not checked.
[2022-01-10 03:15:02,598 INFO  L139   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-01-10 03:15:02,598 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2141006512]
[2022-01-10 03:15:02,599 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleMathsat [2141006512] provided 0 perfect and 2 imperfect interpolant sequences
[2022-01-10 03:15:02,599 INFO  L186   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2022-01-10 03:15:02,599 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 17
[2022-01-10 03:15:02,599 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350353004]
[2022-01-10 03:15:02,599 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2022-01-10 03:15:02,600 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 17 states
[2022-01-10 03:15:02,600 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-01-10 03:15:02,600 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants.
[2022-01-10 03:15:02,600 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=197, Unknown=2, NotChecked=28, Total=272
[2022-01-10 03:15:02,601 INFO  L87              Difference]: Start difference. First operand 33 states and 38 transitions. Second operand  has 17 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 14 states have internal predecessors, (28), 7 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10)
[2022-01-10 03:15:16,155 WARN  L534   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-01-10 03:15:23,871 WARN  L534   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-01-10 03:15:27,048 WARN  L534   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-01-10 03:15:29,618 WARN  L534   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-01-10 03:15:29,676 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-10 03:15:29,677 INFO  L93              Difference]: Finished difference Result 45 states and 52 transitions.
[2022-01-10 03:15:29,689 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-01-10 03:15:29,689 INFO  L78                 Accepts]: Start accepts. Automaton has  has 17 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 14 states have internal predecessors, (28), 7 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 36
[2022-01-10 03:15:29,690 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-10 03:15:29,691 INFO  L225             Difference]: With dead ends: 45
[2022-01-10 03:15:29,692 INFO  L226             Difference]: Without dead ends: 43
[2022-01-10 03:15:29,692 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 54 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 25.0s TimeCoverageRelationStatistics Valid=80, Invalid=340, Unknown=4, NotChecked=38, Total=462
[2022-01-10 03:15:29,693 INFO  L933         BasicCegarLoop]: 17 mSDtfsCounter, 37 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 23 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 37 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time
[2022-01-10 03:15:29,694 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 143 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 152 Invalid, 4 Unknown, 37 Unchecked, 14.9s Time]
[2022-01-10 03:15:29,694 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 43 states.
[2022-01-10 03:15:29,700 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42.
[2022-01-10 03:15:29,700 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 42 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 29 states have internal predecessors, (30), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9)
[2022-01-10 03:15:29,701 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions.
[2022-01-10 03:15:29,701 INFO  L78                 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 36
[2022-01-10 03:15:29,702 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-10 03:15:29,702 INFO  L470      AbstractCegarLoop]: Abstraction has 42 states and 49 transitions.
[2022-01-10 03:15:29,702 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 17 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 14 states have internal predecessors, (28), 7 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10)
[2022-01-10 03:15:29,702 INFO  L276                IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions.
[2022-01-10 03:15:29,703 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 51
[2022-01-10 03:15:29,703 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-10 03:15:29,703 INFO  L514         BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-10 03:15:29,713 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0
[2022-01-10 03:15:29,906 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3
[2022-01-10 03:15:29,906 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-10 03:15:29,907 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 03:15:29,907 INFO  L85        PathProgramCache]: Analyzing trace with hash -721653461, now seen corresponding path program 1 times
[2022-01-10 03:15:29,908 INFO  L121   FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-01-10 03:15:29,908 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1856150023]
[2022-01-10 03:15:29,908 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 03:15:29,908 INFO  L168          SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-01-10 03:15:29,908 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2022-01-10 03:15:29,909 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-01-10 03:15:29,910 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process
[2022-01-10 03:15:30,092 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 03:15:30,117 INFO  L263         TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 22 conjunts are in the unsatisfiable core
[2022-01-10 03:15:30,120 INFO  L286         TraceCheckSpWp]: Computing forward predicates...