/usr/bin/java -ea -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/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/loops/sum01-1.i


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


This is Ultimate 0.2.2-dev-34549b5
[2022-04-08 03:35:30,417 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-04-08 03:35:30,418 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-04-08 03:35:30,452 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-04-08 03:35:30,452 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-04-08 03:35:30,453 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-04-08 03:35:30,454 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-04-08 03:35:30,455 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-04-08 03:35:30,456 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-04-08 03:35:30,457 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-04-08 03:35:30,457 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-04-08 03:35:30,458 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-04-08 03:35:30,458 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-04-08 03:35:30,459 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-04-08 03:35:30,460 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-04-08 03:35:30,461 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-04-08 03:35:30,461 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-04-08 03:35:30,462 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-04-08 03:35:30,467 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-04-08 03:35:30,468 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-04-08 03:35:30,469 INFO  L181        SettingsManager]: Resetting HornVerifier preferences to default values
[2022-04-08 03:35:30,473 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-04-08 03:35:30,473 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-04-08 03:35:30,474 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-04-08 03:35:30,474 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-04-08 03:35:30,476 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-04-08 03:35:30,476 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-04-08 03:35:30,477 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-04-08 03:35:30,477 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-04-08 03:35:30,477 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-04-08 03:35:30,478 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-04-08 03:35:30,478 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-04-08 03:35:30,479 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-04-08 03:35:30,479 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-04-08 03:35:30,480 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-04-08 03:35:30,480 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-04-08 03:35:30,481 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-04-08 03:35:30,481 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-04-08 03:35:30,481 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-04-08 03:35:30,481 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-04-08 03:35:30,482 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-04-08 03:35:30,488 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-04-08 03:35:30,489 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf
[2022-04-08 03:35:30,500 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-04-08 03:35:30,501 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-04-08 03:35:30,502 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-04-08 03:35:30,502 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-04-08 03:35:30,502 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-04-08 03:35:30,502 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-04-08 03:35:30,502 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-04-08 03:35:30,502 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-04-08 03:35:30,502 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-04-08 03:35:30,503 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-04-08 03:35:30,503 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-04-08 03:35:30,503 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-04-08 03:35:30,503 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-04-08 03:35:30,503 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-04-08 03:35:30,503 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-04-08 03:35:30,503 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-04-08 03:35:30,503 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2022-04-08 03:35:30,504 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-04-08 03:35:30,504 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-04-08 03:35:30,504 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-04-08 03:35:30,504 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=Craig_NestedInterpolation
[2022-04-08 03:35:30,504 INFO  L138        SettingsManager]:  * Trace refinement strategy=ACCELERATED_INTERPOLATION
[2022-04-08 03:35:30,504 INFO  L138        SettingsManager]:  * Trace refinement strategy used in Accelerated Interpolation=CAMEL
[2022-04-08 03:35:30,504 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-04-08 03:35:30,504 INFO  L138        SettingsManager]:  * Loop acceleration method that is used by accelerated interpolation=JORDAN
[2022-04-08 03:35:30,504 INFO  L138        SettingsManager]:  * Use separate solver for trace checks=false
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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN;
[2022-04-08 03:35:30,710 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-04-08 03:35:30,730 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-04-08 03:35:30,732 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-04-08 03:35:30,733 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-04-08 03:35:30,734 INFO  L275        PluginConnector]: CDTParser initialized
[2022-04-08 03:35:30,735 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/sum01-1.i
[2022-04-08 03:35:30,784 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ded9fcef2/e8715a1c9c1248699e401059b6348156/FLAG4069ef25d
[2022-04-08 03:35:31,096 INFO  L306              CDTParser]: Found 1 translation units.
[2022-04-08 03:35:31,096 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/sum01-1.i
[2022-04-08 03:35:31,100 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ded9fcef2/e8715a1c9c1248699e401059b6348156/FLAG4069ef25d
[2022-04-08 03:35:31,527 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ded9fcef2/e8715a1c9c1248699e401059b6348156
[2022-04-08 03:35:31,529 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-04-08 03:35:31,530 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2022-04-08 03:35:31,532 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-04-08 03:35:31,532 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-04-08 03:35:31,534 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-04-08 03:35:31,535 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.04 03:35:31" (1/1) ...
[2022-04-08 03:35:31,536 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b522ddb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 03:35:31, skipping insertion in model container
[2022-04-08 03:35:31,536 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.04 03:35:31" (1/1) ...
[2022-04-08 03:35:31,540 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-04-08 03:35:31,559 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-04-08 03:35:31,741 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops/sum01-1.i[808,821]
[2022-04-08 03:35:31,758 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-04-08 03:35:31,766 INFO  L203         MainTranslator]: Completed pre-run
[2022-04-08 03:35:31,775 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops/sum01-1.i[808,821]
[2022-04-08 03:35:31,779 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-04-08 03:35:31,788 INFO  L208         MainTranslator]: Completed translation
[2022-04-08 03:35:31,789 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 03:35:31 WrapperNode
[2022-04-08 03:35:31,789 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-04-08 03:35:31,790 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-04-08 03:35:31,790 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-04-08 03:35:31,790 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-04-08 03:35:31,797 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 03:35:31" (1/1) ...
[2022-04-08 03:35:31,797 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 03:35:31" (1/1) ...
[2022-04-08 03:35:31,804 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 03:35:31" (1/1) ...
[2022-04-08 03:35:31,804 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 03:35:31" (1/1) ...
[2022-04-08 03:35:31,812 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 03:35:31" (1/1) ...
[2022-04-08 03:35:31,816 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 03:35:31" (1/1) ...
[2022-04-08 03:35:31,817 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 03:35:31" (1/1) ...
[2022-04-08 03:35:31,820 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-04-08 03:35:31,821 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-04-08 03:35:31,821 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-04-08 03:35:31,821 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-04-08 03:35:31,822 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 03:35:31" (1/1) ...
[2022-04-08 03:35:31,827 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-04-08 03:35:31,834 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-04-08 03:35:31,843 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)
[2022-04-08 03:35:31,907 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
[2022-04-08 03:35:31,928 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2022-04-08 03:35:31,928 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-04-08 03:35:31,928 INFO  L138     BoogieDeclarations]: Found implementation of procedure reach_error
[2022-04-08 03:35:31,928 INFO  L138     BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2022-04-08 03:35:31,928 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2022-04-08 03:35:31,928 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2022-04-08 03:35:31,928 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2022-04-08 03:35:31,928 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_perror_fail
[2022-04-08 03:35:31,928 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert
[2022-04-08 03:35:31,929 INFO  L130     BoogieDeclarations]: Found specification of procedure reach_error
[2022-04-08 03:35:31,929 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-04-08 03:35:31,929 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2022-04-08 03:35:31,930 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint
[2022-04-08 03:35:31,930 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2022-04-08 03:35:31,930 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2022-04-08 03:35:31,930 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-04-08 03:35:31,930 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-04-08 03:35:31,930 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2022-04-08 03:35:31,930 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2022-04-08 03:35:31,930 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-04-08 03:35:31,980 INFO  L234             CfgBuilder]: Building ICFG
[2022-04-08 03:35:31,982 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-04-08 03:35:32,113 INFO  L275             CfgBuilder]: Performing block encoding
[2022-04-08 03:35:32,117 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-04-08 03:35:32,117 INFO  L299             CfgBuilder]: Removed 1 assume(true) statements.
[2022-04-08 03:35:32,118 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.04 03:35:32 BoogieIcfgContainer
[2022-04-08 03:35:32,118 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-04-08 03:35:32,119 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-04-08 03:35:32,119 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-04-08 03:35:32,122 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-04-08 03:35:32,122 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.04 03:35:31" (1/3) ...
[2022-04-08 03:35:32,122 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f497d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.04 03:35:32, skipping insertion in model container
[2022-04-08 03:35:32,122 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 03:35:31" (2/3) ...
[2022-04-08 03:35:32,123 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f497d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.04 03:35:32, skipping insertion in model container
[2022-04-08 03:35:32,123 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.04 03:35:32" (3/3) ...
[2022-04-08 03:35:32,124 INFO  L111   eAbstractionObserver]: Analyzing ICFG sum01-1.i
[2022-04-08 03:35:32,127 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2022-04-08 03:35:32,127 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-04-08 03:35:32,169 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-04-08 03:35:32,173 INFO  L340      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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
[2022-04-08 03:35:32,174 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-04-08 03:35:32,190 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 20 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 13 states have internal predecessors, (17), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2022-04-08 03:35:32,194 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2022-04-08 03:35:32,194 INFO  L491         BasicCegarLoop]: Found error trace
[2022-04-08 03:35:32,194 INFO  L499         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-04-08 03:35:32,196 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-04-08 03:35:32,203 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-04-08 03:35:32,203 INFO  L85        PathProgramCache]: Analyzing trace with hash 1466806487, now seen corresponding path program 1 times
[2022-04-08 03:35:32,209 INFO  L118   FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION
[2022-04-08 03:35:32,210 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [231345907]
[2022-04-08 03:35:32,218 INFO  L202   tedInterpolationCore]: No loops in this trace, falling back to nested interpolation
[2022-04-08 03:35:32,218 INFO  L85        PathProgramCache]: Analyzing trace with hash 1466806487, now seen corresponding path program 2 times
[2022-04-08 03:35:32,221 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-04-08 03:35:32,221 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501936490]
[2022-04-08 03:35:32,221 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-04-08 03:35:32,222 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-04-08 03:35:32,301 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-04-08 03:35:32,366 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2022-04-08 03:35:32,370 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-04-08 03:35:32,383 INFO  L290        TraceCheckUtils]: 0: Hoare triple {28#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); {23#true} is VALID
[2022-04-08 03:35:32,383 INFO  L290        TraceCheckUtils]: 1: Hoare triple {23#true} assume true; {23#true} is VALID
[2022-04-08 03:35:32,383 INFO  L284        TraceCheckUtils]: 2: Hoare quadruple {23#true} {23#true} #47#return; {23#true} is VALID
[2022-04-08 03:35:32,385 INFO  L272        TraceCheckUtils]: 0: Hoare triple {23#true} call ULTIMATE.init(); {28#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID
[2022-04-08 03:35:32,385 INFO  L290        TraceCheckUtils]: 1: Hoare triple {28#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); {23#true} is VALID
[2022-04-08 03:35:32,385 INFO  L290        TraceCheckUtils]: 2: Hoare triple {23#true} assume true; {23#true} is VALID
[2022-04-08 03:35:32,385 INFO  L284        TraceCheckUtils]: 3: Hoare quadruple {23#true} {23#true} #47#return; {23#true} is VALID
[2022-04-08 03:35:32,385 INFO  L272        TraceCheckUtils]: 4: Hoare triple {23#true} call #t~ret3 := main(); {23#true} is VALID
[2022-04-08 03:35:32,386 INFO  L290        TraceCheckUtils]: 5: Hoare triple {23#true} havoc ~i~0;~n~0 := (if #t~nondet1 % 4294967296 % 4294967296 <= 2147483647 then #t~nondet1 % 4294967296 % 4294967296 else #t~nondet1 % 4294967296 % 4294967296 - 4294967296);havoc #t~nondet1;~sn~0 := 0;~i~0 := 1; {23#true} is VALID
[2022-04-08 03:35:32,386 INFO  L290        TraceCheckUtils]: 6: Hoare triple {23#true} assume !true; {24#false} is VALID
[2022-04-08 03:35:32,386 INFO  L272        TraceCheckUtils]: 7: Hoare triple {24#false} call __VERIFIER_assert((if ~sn~0 == 2 * ~n~0 || 0 == ~sn~0 then 1 else 0)); {24#false} is VALID
[2022-04-08 03:35:32,388 INFO  L290        TraceCheckUtils]: 8: Hoare triple {24#false} ~cond := #in~cond; {24#false} is VALID
[2022-04-08 03:35:32,388 INFO  L290        TraceCheckUtils]: 9: Hoare triple {24#false} assume 0 == ~cond; {24#false} is VALID
[2022-04-08 03:35:32,388 INFO  L290        TraceCheckUtils]: 10: Hoare triple {24#false} assume !false; {24#false} is VALID
[2022-04-08 03:35:32,388 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-04-08 03:35:32,389 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-04-08 03:35:32,389 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501936490]
[2022-04-08 03:35:32,389 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501936490] provided 1 perfect and 0 imperfect interpolant sequences
[2022-04-08 03:35:32,390 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-04-08 03:35:32,390 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-04-08 03:35:32,393 INFO  L136   FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace
[2022-04-08 03:35:32,394 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [231345907]
[2022-04-08 03:35:32,394 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [231345907] provided 1 perfect and 0 imperfect interpolant sequences
[2022-04-08 03:35:32,394 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-04-08 03:35:32,394 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-04-08 03:35:32,394 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103109105]
[2022-04-08 03:35:32,395 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-04-08 03:35:32,398 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11
[2022-04-08 03:35:32,399 INFO  L84                 Accepts]: Finished accepts. word is accepted.
[2022-04-08 03:35:32,401 INFO  L86        InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with  has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-04-08 03:35:32,414 INFO  L122       InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 
[2022-04-08 03:35:32,417 INFO  L554      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-04-08 03:35:32,417 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION
[2022-04-08 03:35:32,445 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-04-08 03:35:32,446 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-04-08 03:35:32,448 INFO  L87              Difference]: Start difference. First operand  has 20 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 13 states have internal predecessors, (17), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand  has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-04-08 03:35:32,523 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-04-08 03:35:32,523 INFO  L93              Difference]: Finished difference Result 31 states and 35 transitions.
[2022-04-08 03:35:32,523 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-04-08 03:35:32,524 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11
[2022-04-08 03:35:32,524 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-04-08 03:35:32,525 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-04-08 03:35:32,529 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 35 transitions.
[2022-04-08 03:35:32,529 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-04-08 03:35:32,532 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 35 transitions.
[2022-04-08 03:35:32,532 INFO  L86        InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 35 transitions.
[2022-04-08 03:35:32,564 INFO  L122       InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 
[2022-04-08 03:35:32,569 INFO  L225             Difference]: With dead ends: 31
[2022-04-08 03:35:32,569 INFO  L226             Difference]: Without dead ends: 14
[2022-04-08 03:35:32,571 INFO  L912         BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-04-08 03:35:32,573 INFO  L913         BasicCegarLoop]: 20 mSDtfsCounter, 12 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-04-08 03:35:32,574 INFO  L914         BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 23 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-04-08 03:35:32,584 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 14 states.
[2022-04-08 03:35:32,591 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14.
[2022-04-08 03:35:32,592 INFO  L214    AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa
[2022-04-08 03:35:32,592 INFO  L82        GeneralOperation]: Start isEquivalent. First operand 14 states. Second operand  has 14 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-04-08 03:35:32,592 INFO  L74              IsIncluded]: Start isIncluded. First operand 14 states. Second operand  has 14 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-04-08 03:35:32,593 INFO  L87              Difference]: Start difference. First operand 14 states. Second operand  has 14 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-04-08 03:35:32,594 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-04-08 03:35:32,594 INFO  L93              Difference]: Finished difference Result 14 states and 15 transitions.
[2022-04-08 03:35:32,595 INFO  L276                IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions.
[2022-04-08 03:35:32,595 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2022-04-08 03:35:32,595 INFO  L83              IsIncluded]: Finished isIncluded. Language is included
[2022-04-08 03:35:32,595 INFO  L74              IsIncluded]: Start isIncluded. First operand  has 14 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 14 states.
[2022-04-08 03:35:32,595 INFO  L87              Difference]: Start difference. First operand  has 14 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 14 states.
[2022-04-08 03:35:32,597 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-04-08 03:35:32,597 INFO  L93              Difference]: Finished difference Result 14 states and 15 transitions.
[2022-04-08 03:35:32,597 INFO  L276                IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions.
[2022-04-08 03:35:32,597 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2022-04-08 03:35:32,597 INFO  L83              IsIncluded]: Finished isIncluded. Language is included
[2022-04-08 03:35:32,597 INFO  L88        GeneralOperation]: Finished isEquivalent.
[2022-04-08 03:35:32,597 INFO  L221    AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa
[2022-04-08 03:35:32,598 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 14 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-04-08 03:35:32,598 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions.
[2022-04-08 03:35:32,599 INFO  L78                 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 11
[2022-04-08 03:35:32,599 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-04-08 03:35:32,600 INFO  L478      AbstractCegarLoop]: Abstraction has 14 states and 15 transitions.
[2022-04-08 03:35:32,600 INFO  L479      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-04-08 03:35:32,600 INFO  L86        InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 14 states and 15 transitions.
[2022-04-08 03:35:32,628 INFO  L122       InductivityCheck]: Floyd-Hoare automaton has 15 edges. 15 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 
[2022-04-08 03:35:32,629 INFO  L276                IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions.
[2022-04-08 03:35:32,629 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2022-04-08 03:35:32,629 INFO  L491         BasicCegarLoop]: Found error trace
[2022-04-08 03:35:32,629 INFO  L499         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-04-08 03:35:32,629 WARN  L460      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-04-08 03:35:32,630 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-04-08 03:35:32,630 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-04-08 03:35:32,630 INFO  L85        PathProgramCache]: Analyzing trace with hash 1456647756, now seen corresponding path program 1 times
[2022-04-08 03:35:32,630 INFO  L118   FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION
[2022-04-08 03:35:32,630 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1482729903]
[2022-04-08 03:35:32,631 INFO  L202   tedInterpolationCore]: No loops in this trace, falling back to nested interpolation
[2022-04-08 03:35:32,631 INFO  L85        PathProgramCache]: Analyzing trace with hash 1456647756, now seen corresponding path program 2 times
[2022-04-08 03:35:32,631 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-04-08 03:35:32,631 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702251920]
[2022-04-08 03:35:32,631 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-04-08 03:35:32,631 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-04-08 03:35:32,644 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-04-08 03:35:32,735 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2022-04-08 03:35:32,745 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-04-08 03:35:32,756 INFO  L290        TraceCheckUtils]: 0: Hoare triple {157#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); {149#true} is VALID
[2022-04-08 03:35:32,756 INFO  L290        TraceCheckUtils]: 1: Hoare triple {149#true} assume true; {149#true} is VALID
[2022-04-08 03:35:32,756 INFO  L284        TraceCheckUtils]: 2: Hoare quadruple {149#true} {149#true} #47#return; {149#true} is VALID
[2022-04-08 03:35:32,758 INFO  L272        TraceCheckUtils]: 0: Hoare triple {149#true} call ULTIMATE.init(); {157#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID
[2022-04-08 03:35:32,758 INFO  L290        TraceCheckUtils]: 1: Hoare triple {157#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); {149#true} is VALID
[2022-04-08 03:35:32,758 INFO  L290        TraceCheckUtils]: 2: Hoare triple {149#true} assume true; {149#true} is VALID
[2022-04-08 03:35:32,759 INFO  L284        TraceCheckUtils]: 3: Hoare quadruple {149#true} {149#true} #47#return; {149#true} is VALID
[2022-04-08 03:35:32,759 INFO  L272        TraceCheckUtils]: 4: Hoare triple {149#true} call #t~ret3 := main(); {149#true} is VALID
[2022-04-08 03:35:32,760 INFO  L290        TraceCheckUtils]: 5: Hoare triple {149#true} havoc ~i~0;~n~0 := (if #t~nondet1 % 4294967296 % 4294967296 <= 2147483647 then #t~nondet1 % 4294967296 % 4294967296 else #t~nondet1 % 4294967296 % 4294967296 - 4294967296);havoc #t~nondet1;~sn~0 := 0;~i~0 := 1; {154#(or (= main_~sn~0 0) (= (* main_~n~0 2) main_~sn~0))} is VALID
[2022-04-08 03:35:32,762 INFO  L290        TraceCheckUtils]: 6: Hoare triple {154#(or (= main_~sn~0 0) (= (* main_~n~0 2) main_~sn~0))} assume !(~i~0 <= ~n~0); {154#(or (= main_~sn~0 0) (= (* main_~n~0 2) main_~sn~0))} is VALID
[2022-04-08 03:35:32,763 INFO  L272        TraceCheckUtils]: 7: Hoare triple {154#(or (= main_~sn~0 0) (= (* main_~n~0 2) main_~sn~0))} call __VERIFIER_assert((if ~sn~0 == 2 * ~n~0 || 0 == ~sn~0 then 1 else 0)); {155#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID
[2022-04-08 03:35:32,763 INFO  L290        TraceCheckUtils]: 8: Hoare triple {155#(not (= |__VERIFIER_assert_#in~cond| 0))} ~cond := #in~cond; {156#(not (= __VERIFIER_assert_~cond 0))} is VALID
[2022-04-08 03:35:32,764 INFO  L290        TraceCheckUtils]: 9: Hoare triple {156#(not (= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {150#false} is VALID
[2022-04-08 03:35:32,764 INFO  L290        TraceCheckUtils]: 10: Hoare triple {150#false} assume !false; {150#false} is VALID
[2022-04-08 03:35:32,764 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-04-08 03:35:32,764 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-04-08 03:35:32,764 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702251920]
[2022-04-08 03:35:32,765 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702251920] provided 1 perfect and 0 imperfect interpolant sequences
[2022-04-08 03:35:32,765 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-04-08 03:35:32,765 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-04-08 03:35:32,765 INFO  L136   FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace
[2022-04-08 03:35:32,765 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1482729903]
[2022-04-08 03:35:32,765 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1482729903] provided 1 perfect and 0 imperfect interpolant sequences
[2022-04-08 03:35:32,765 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-04-08 03:35:32,765 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-04-08 03:35:32,765 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484721181]
[2022-04-08 03:35:32,766 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-04-08 03:35:32,766 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 4 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11
[2022-04-08 03:35:32,766 INFO  L84                 Accepts]: Finished accepts. word is accepted.
[2022-04-08 03:35:32,766 INFO  L86        InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with  has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 4 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-04-08 03:35:32,784 INFO  L122       InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 
[2022-04-08 03:35:32,784 INFO  L554      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-04-08 03:35:32,784 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION
[2022-04-08 03:35:32,785 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-04-08 03:35:32,785 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2022-04-08 03:35:32,785 INFO  L87              Difference]: Start difference. First operand 14 states and 15 transitions. Second operand  has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 4 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-04-08 03:35:32,929 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-04-08 03:35:32,930 INFO  L93              Difference]: Finished difference Result 22 states and 24 transitions.
[2022-04-08 03:35:32,930 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2022-04-08 03:35:32,930 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 4 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11
[2022-04-08 03:35:32,930 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-04-08 03:35:32,931 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 4 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-04-08 03:35:32,938 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions.
[2022-04-08 03:35:32,939 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 4 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-04-08 03:35:32,940 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions.
[2022-04-08 03:35:32,940 INFO  L86        InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 6 states and 24 transitions.
[2022-04-08 03:35:32,960 INFO  L122       InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 
[2022-04-08 03:35:32,963 INFO  L225             Difference]: With dead ends: 22
[2022-04-08 03:35:32,963 INFO  L226             Difference]: Without dead ends: 17
[2022-04-08 03:35:32,963 INFO  L912         BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2022-04-08 03:35:32,966 INFO  L913         BasicCegarLoop]: 12 mSDtfsCounter, 17 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-04-08 03:35:32,967 INFO  L914         BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 29 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-04-08 03:35:32,968 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 17 states.
[2022-04-08 03:35:32,973 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17.
[2022-04-08 03:35:32,973 INFO  L214    AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa
[2022-04-08 03:35:32,973 INFO  L82        GeneralOperation]: Start isEquivalent. First operand 17 states. Second operand  has 17 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-04-08 03:35:32,973 INFO  L74              IsIncluded]: Start isIncluded. First operand 17 states. Second operand  has 17 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-04-08 03:35:32,974 INFO  L87              Difference]: Start difference. First operand 17 states. Second operand  has 17 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-04-08 03:35:32,975 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-04-08 03:35:32,975 INFO  L93              Difference]: Finished difference Result 17 states and 19 transitions.
[2022-04-08 03:35:32,975 INFO  L276                IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions.
[2022-04-08 03:35:32,975 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2022-04-08 03:35:32,975 INFO  L83              IsIncluded]: Finished isIncluded. Language is included
[2022-04-08 03:35:32,976 INFO  L74              IsIncluded]: Start isIncluded. First operand  has 17 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 17 states.
[2022-04-08 03:35:32,977 INFO  L87              Difference]: Start difference. First operand  has 17 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 17 states.
[2022-04-08 03:35:32,978 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-04-08 03:35:32,979 INFO  L93              Difference]: Finished difference Result 17 states and 19 transitions.
[2022-04-08 03:35:32,979 INFO  L276                IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions.
[2022-04-08 03:35:32,979 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2022-04-08 03:35:32,979 INFO  L83              IsIncluded]: Finished isIncluded. Language is included
[2022-04-08 03:35:32,979 INFO  L88        GeneralOperation]: Finished isEquivalent.
[2022-04-08 03:35:32,979 INFO  L221    AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa
[2022-04-08 03:35:32,979 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 17 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-04-08 03:35:32,981 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions.
[2022-04-08 03:35:32,981 INFO  L78                 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 11
[2022-04-08 03:35:32,981 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-04-08 03:35:32,981 INFO  L478      AbstractCegarLoop]: Abstraction has 17 states and 19 transitions.
[2022-04-08 03:35:32,982 INFO  L479      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 4 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-04-08 03:35:32,982 INFO  L86        InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 17 states and 19 transitions.
[2022-04-08 03:35:32,998 INFO  L122       InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 
[2022-04-08 03:35:32,998 INFO  L276                IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions.
[2022-04-08 03:35:32,998 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2022-04-08 03:35:32,998 INFO  L491         BasicCegarLoop]: Found error trace
[2022-04-08 03:35:32,999 INFO  L499         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-04-08 03:35:32,999 WARN  L460      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-04-08 03:35:33,000 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-04-08 03:35:33,000 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-04-08 03:35:33,000 INFO  L85        PathProgramCache]: Analyzing trace with hash 193151625, now seen corresponding path program 1 times
[2022-04-08 03:35:33,000 INFO  L118   FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION
[2022-04-08 03:35:33,003 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [659039623]
[2022-04-08 03:35:33,457 INFO  L89       AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult
[2022-04-08 03:35:33,460 FATAL L?                        ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception:
java.lang.AssertionError: free variables [|v_main_#t~post2_4|]
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.<init>(UnmodifiableTransFormula.java:97)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:324)
	at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.PredicateHelper.normalizeTerm(PredicateHelper.java:201)
	at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolationCore.acceleratedInterpolationCoreIsCorrect(AcceleratedInterpolationCore.java:254)
	at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.<init>(AcceleratedInterpolation.java:190)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleAcceleratedInterpolation.construct(IpTcStrategyModuleAcceleratedInterpolation.java:80)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.<init>(AutomatonFreeRefinementEngine.java:85)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.<init>(TraceAbstractionRefinementEngine.java:82)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:595)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:414)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:349)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:331)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:412)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:154)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
[2022-04-08 03:35:33,469 INFO  L158              Benchmark]: Toolchain (without parser) took 1939.13ms. Allocated memory was 175.1MB in the beginning and 220.2MB in the end (delta: 45.1MB). Free memory was 116.3MB in the beginning and 180.7MB in the end (delta: -64.5MB). Peak memory consumption was 64.9MB. Max. memory is 8.0GB.
[2022-04-08 03:35:33,469 INFO  L158              Benchmark]: CDTParser took 0.17ms. Allocated memory is still 175.1MB. Free memory is still 132.6MB. There was no memory consumed. Max. memory is 8.0GB.
[2022-04-08 03:35:33,470 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 257.59ms. Allocated memory was 175.1MB in the beginning and 220.2MB in the end (delta: 45.1MB). Free memory was 116.1MB in the beginning and 192.0MB in the end (delta: -75.9MB). Peak memory consumption was 8.5MB. Max. memory is 8.0GB.
[2022-04-08 03:35:33,470 INFO  L158              Benchmark]: Boogie Preprocessor took 30.26ms. Allocated memory is still 220.2MB. Free memory was 192.0MB in the beginning and 190.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2022-04-08 03:35:33,470 INFO  L158              Benchmark]: RCFGBuilder took 297.79ms. Allocated memory is still 220.2MB. Free memory was 190.4MB in the beginning and 179.4MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB.
[2022-04-08 03:35:33,470 INFO  L158              Benchmark]: TraceAbstraction took 1348.55ms. Allocated memory is still 220.2MB. Free memory was 178.9MB in the beginning and 180.7MB in the end (delta: -1.9MB). Peak memory consumption was 80.9MB. Max. memory is 8.0GB.
[2022-04-08 03:35:33,472 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - AssertionsEnabledResult: Assertions are enabled
    Assertions are enabled
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.17ms. Allocated memory is still 175.1MB. Free memory is still 132.6MB. There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 257.59ms. Allocated memory was 175.1MB in the beginning and 220.2MB in the end (delta: 45.1MB). Free memory was 116.1MB in the beginning and 192.0MB in the end (delta: -75.9MB). Peak memory consumption was 8.5MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 30.26ms. Allocated memory is still 220.2MB. Free memory was 192.0MB in the beginning and 190.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * RCFGBuilder took 297.79ms. Allocated memory is still 220.2MB. Free memory was 190.4MB in the beginning and 179.4MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB.
 * TraceAbstraction took 1348.55ms. Allocated memory is still 220.2MB. Free memory was 178.9MB in the beginning and 180.7MB in the end (delta: -1.9MB). Peak memory consumption was 80.9MB. Max. memory is 8.0GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - ExceptionOrErrorResult: AssertionError: free variables [|v_main_#t~post2_4|]
    de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: free variables [|v_main_#t~post2_4|]: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.<init>(UnmodifiableTransFormula.java:97)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2022-04-08 03:35:33,497 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...