/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/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf -i ../../../trunk/examples/svcomp/loop-new/gauss_sum.i.v+cfa-reducer.c


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


This is Ultimate 0.2.2-dev-5d317bd
[2022-03-18 22:06:36,877 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-03-18 22:06:36,879 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-03-18 22:06:36,923 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-03-18 22:06:36,923 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-03-18 22:06:36,925 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-03-18 22:06:36,927 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-03-18 22:06:36,929 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-03-18 22:06:36,931 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
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[2022-03-18 22:06:36,937 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
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[2022-03-18 22:06:36,940 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-03-18 22:06:36,942 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-03-18 22:06:36,943 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-03-18 22:06:36,943 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-03-18 22:06:36,945 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-03-18 22:06:36,950 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-03-18 22:06:36,951 INFO  L181        SettingsManager]: Resetting HornVerifier preferences to default values
[2022-03-18 22:06:36,952 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-03-18 22:06:36,953 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-03-18 22:06:36,954 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-03-18 22:06:36,955 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-03-18 22:06:36,960 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2022-03-18 22:06:36,961 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-03-18 22:06:36,961 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-03-18 22:06:36,962 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-03-18 22:06:36,963 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-03-18 22:06:36,963 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-03-18 22:06:36,965 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-03-18 22:06:36,965 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-03-18 22:06:36,966 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-03-18 22:06:36,966 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-03-18 22:06:36,967 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
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[2022-03-18 22:06:36,968 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2022-03-18 22:06:36,970 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-03-18 22:06:36,970 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf
[2022-03-18 22:06:36,999 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-03-18 22:06:36,999 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-03-18 22:06:37,001 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-03-18 22:06:37,001 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-03-18 22:06:37,002 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-03-18 22:06:37,002 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-03-18 22:06:37,003 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-03-18 22:06:37,003 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-03-18 22:06:37,003 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-03-18 22:06:37,004 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-03-18 22:06:37,004 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-03-18 22:06:37,004 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-03-18 22:06:37,004 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-03-18 22:06:37,004 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-03-18 22:06:37,004 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-03-18 22:06:37,004 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-03-18 22:06:37,005 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-03-18 22:06:37,005 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-03-18 22:06:37,005 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-03-18 22:06:37,005 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-03-18 22:06:37,005 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-03-18 22:06:37,005 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-03-18 22:06:37,006 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-03-18 22:06:37,006 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-03-18 22:06:37,006 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-03-18 22:06:37,006 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-03-18 22:06:37,006 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2022-03-18 22:06:37,006 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2022-03-18 22:06:37,007 INFO  L136        SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2022-03-18 22:06:37,007 INFO  L138        SettingsManager]:  * TransformationType=LOOP_ACCELERATION_QVASR
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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN;
[2022-03-18 22:06:37,239 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-03-18 22:06:37,259 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-03-18 22:06:37,261 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-03-18 22:06:37,261 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-03-18 22:06:37,263 INFO  L275        PluginConnector]: CDTParser initialized
[2022-03-18 22:06:37,264 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-new/gauss_sum.i.v+cfa-reducer.c
[2022-03-18 22:06:37,302 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/717a0bef7/43bac87e918f4f049e444ac24948e480/FLAGf2af6c669
[2022-03-18 22:06:37,629 INFO  L306              CDTParser]: Found 1 translation units.
[2022-03-18 22:06:37,630 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-new/gauss_sum.i.v+cfa-reducer.c
[2022-03-18 22:06:37,635 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/717a0bef7/43bac87e918f4f049e444ac24948e480/FLAGf2af6c669
[2022-03-18 22:06:38,065 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/717a0bef7/43bac87e918f4f049e444ac24948e480
[2022-03-18 22:06:38,067 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-03-18 22:06:38,068 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2022-03-18 22:06:38,069 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-03-18 22:06:38,069 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-03-18 22:06:38,073 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-03-18 22:06:38,073 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.03 10:06:38" (1/1) ...
[2022-03-18 22:06:38,074 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b5cd5fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 10:06:38, skipping insertion in model container
[2022-03-18 22:06:38,074 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.03 10:06:38" (1/1) ...
[2022-03-18 22:06:38,078 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-03-18 22:06:38,089 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-03-18 22:06:38,311 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-new/gauss_sum.i.v+cfa-reducer.c[1014,1027]
[2022-03-18 22:06:38,314 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-03-18 22:06:38,321 INFO  L203         MainTranslator]: Completed pre-run
[2022-03-18 22:06:38,340 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-new/gauss_sum.i.v+cfa-reducer.c[1014,1027]
[2022-03-18 22:06:38,341 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-03-18 22:06:38,353 INFO  L208         MainTranslator]: Completed translation
[2022-03-18 22:06:38,354 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 10:06:38 WrapperNode
[2022-03-18 22:06:38,354 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-03-18 22:06:38,355 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-03-18 22:06:38,356 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-03-18 22:06:38,356 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-03-18 22:06:38,364 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 10:06:38" (1/1) ...
[2022-03-18 22:06:38,364 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 10:06:38" (1/1) ...
[2022-03-18 22:06:38,370 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 10:06:38" (1/1) ...
[2022-03-18 22:06:38,370 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 10:06:38" (1/1) ...
[2022-03-18 22:06:38,381 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 10:06:38" (1/1) ...
[2022-03-18 22:06:38,383 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 10:06:38" (1/1) ...
[2022-03-18 22:06:38,384 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 10:06:38" (1/1) ...
[2022-03-18 22:06:38,389 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-03-18 22:06:38,390 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-03-18 22:06:38,390 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-03-18 22:06:38,391 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-03-18 22:06:38,391 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 10:06:38" (1/1) ...
[2022-03-18 22:06:38,397 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-03-18 22:06:38,406 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-03-18 22:06:38,420 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)
[2022-03-18 22:06:38,448 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
[2022-03-18 22:06:38,467 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2022-03-18 22:06:38,467 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-03-18 22:06:38,468 INFO  L138     BoogieDeclarations]: Found implementation of procedure reach_error
[2022-03-18 22:06:38,468 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2022-03-18 22:06:38,468 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2022-03-18 22:06:38,468 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2022-03-18 22:06:38,468 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2022-03-18 22:06:38,468 INFO  L130     BoogieDeclarations]: Found specification of procedure reach_error
[2022-03-18 22:06:38,468 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-03-18 22:06:38,468 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2022-03-18 22:06:38,468 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2022-03-18 22:06:38,468 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2022-03-18 22:06:38,468 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2022-03-18 22:06:38,469 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2022-03-18 22:06:38,469 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-03-18 22:06:38,469 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-03-18 22:06:38,469 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2022-03-18 22:06:38,469 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2022-03-18 22:06:38,469 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-03-18 22:06:38,524 INFO  L234             CfgBuilder]: Building ICFG
[2022-03-18 22:06:38,525 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-03-18 22:06:38,617 INFO  L275             CfgBuilder]: Performing block encoding
[2022-03-18 22:06:38,622 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-03-18 22:06:38,622 INFO  L299             CfgBuilder]: Removed 0 assume(true) statements.
[2022-03-18 22:06:38,623 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.03 10:06:38 BoogieIcfgContainer
[2022-03-18 22:06:38,623 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-03-18 22:06:38,624 INFO  L113        PluginConnector]: ------------------------IcfgTransformer----------------------------
[2022-03-18 22:06:38,624 INFO  L271        PluginConnector]: Initializing IcfgTransformer...
[2022-03-18 22:06:38,625 INFO  L275        PluginConnector]: IcfgTransformer initialized
[2022-03-18 22:06:38,627 INFO  L185        PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.03 10:06:38" (1/1) ...