/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/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/freire2_valuebound100.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.2-dev-05ce600
[2022-02-23 18:20:01,267 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-02-23 18:20:01,268 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-02-23 18:20:01,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-02-23 18:20:01,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-02-23 18:20:01,307 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-02-23 18:20:01,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-02-23 18:20:01,310 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-02-23 18:20:01,311 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-02-23 18:20:01,311 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-02-23 18:20:01,312 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-02-23 18:20:01,313 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-02-23 18:20:01,313 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-02-23 18:20:01,314 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-02-23 18:20:01,314 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-02-23 18:20:01,315 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-02-23 18:20:01,315 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-02-23 18:20:01,316 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-02-23 18:20:01,317 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-02-23 18:20:01,318 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-02-23 18:20:01,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-02-23 18:20:01,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-02-23 18:20:01,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-02-23 18:20:01,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-02-23 18:20:01,322 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-02-23 18:20:01,323 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-02-23 18:20:01,323 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-02-23 18:20:01,323 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-02-23 18:20:01,324 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-02-23 18:20:01,324 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-02-23 18:20:01,324 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-02-23 18:20:01,325 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-02-23 18:20:01,325 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-02-23 18:20:01,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-02-23 18:20:01,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-02-23 18:20:01,326 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-02-23 18:20:01,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-02-23 18:20:01,327 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-02-23 18:20:01,327 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-02-23 18:20:01,327 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-02-23 18:20:01,328 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-02-23 18:20:01,328 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf
[2022-02-23 18:20:01,334 INFO L113 SettingsManager]: Loading preferences was successful
[2022-02-23 18:20:01,334 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-23 18:20:01,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-23 18:20:01,335 INFO L138 SettingsManager]: * sizeof long=4
[2022-02-23 18:20:01,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-02-23 18:20:01,335 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-02-23 18:20:01,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-02-23 18:20:01,336 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-02-23 18:20:01,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-23 18:20:01,336 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-02-23 18:20:01,336 INFO L138 SettingsManager]: * sizeof long double=12
[2022-02-23 18:20:01,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-02-23 18:20:01,336 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-02-23 18:20:01,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-02-23 18:20:01,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-23 18:20:01,336 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-02-23 18:20:01,336 INFO L138 SettingsManager]: * To the following directory=./dump/
[2022-02-23 18:20:01,337 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-02-23 18:20:01,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-23 18:20:01,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-23 18:20:01,337 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-02-23 18:20:01,337 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2022-02-23 18:20:01,337 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN
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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN;
[2022-02-23 18:20:01,514 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-23 18:20:01,529 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-23 18:20:01,531 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-23 18:20:01,531 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-02-23 18:20:01,533 INFO L275 PluginConnector]: CDTParser initialized
[2022-02-23 18:20:01,534 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/freire2_valuebound100.c
[2022-02-23 18:20:01,593 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c20210320/6188289df3d741458559e9039daa5c88/FLAGc4dd63dac
[2022-02-23 18:20:01,918 INFO L306 CDTParser]: Found 1 translation units.
[2022-02-23 18:20:01,918 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/freire2_valuebound100.c
[2022-02-23 18:20:01,923 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c20210320/6188289df3d741458559e9039daa5c88/FLAGc4dd63dac
[2022-02-23 18:20:02,354 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c20210320/6188289df3d741458559e9039daa5c88
[2022-02-23 18:20:02,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-23 18:20:02,356 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2022-02-23 18:20:02,362 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-02-23 18:20:02,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-02-23 18:20:02,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-02-23 18:20:02,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 06:20:02" (1/1) ...
[2022-02-23 18:20:02,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@634ba996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:20:02, skipping insertion in model container
[2022-02-23 18:20:02,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 06:20:02" (1/1) ...
[2022-02-23 18:20:02,370 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-02-23 18:20:02,382 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-02-23 18:20:02,489 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/freire2_valuebound100.c[709,722]
[2022-02-23 18:20:02,501 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-23 18:20:02,506 INFO L203 MainTranslator]: Completed pre-run
[2022-02-23 18:20:02,513 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/freire2_valuebound100.c[709,722]
[2022-02-23 18:20:02,519 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-23 18:20:02,527 INFO L208 MainTranslator]: Completed translation
[2022-02-23 18:20:02,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:20:02 WrapperNode
[2022-02-23 18:20:02,528 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-02-23 18:20:02,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-23 18:20:02,528 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-23 18:20:02,528 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-02-23 18:20:02,536 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:20:02" (1/1) ...
[2022-02-23 18:20:02,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:20:02" (1/1) ...
[2022-02-23 18:20:02,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:20:02" (1/1) ...
[2022-02-23 18:20:02,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:20:02" (1/1) ...
[2022-02-23 18:20:02,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:20:02" (1/1) ...
[2022-02-23 18:20:02,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:20:02" (1/1) ...
[2022-02-23 18:20:02,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:20:02" (1/1) ...
[2022-02-23 18:20:02,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-23 18:20:02,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-23 18:20:02,550 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-02-23 18:20:02,550 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-02-23 18:20:02,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:20:02" (1/1) ...
[2022-02-23 18:20:02,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-23 18:20:02,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-23 18:20:02,574 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)
[2022-02-23 18:20:02,583 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
[2022-02-23 18:20:02,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2022-02-23 18:20:02,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-23 18:20:02,604 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2022-02-23 18:20:02,605 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2022-02-23 18:20:02,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2022-02-23 18:20:02,605 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2022-02-23 18:20:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2022-02-23 18:20:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2022-02-23 18:20:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2022-02-23 18:20:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-02-23 18:20:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double
[2022-02-23 18:20:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2022-02-23 18:20:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2022-02-23 18:20:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2022-02-23 18:20:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2022-02-23 18:20:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-02-23 18:20:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-23 18:20:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-02-23 18:20:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2022-02-23 18:20:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-02-23 18:20:02,649 INFO L234 CfgBuilder]: Building ICFG
[2022-02-23 18:20:02,650 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-23 18:20:02,763 INFO L275 CfgBuilder]: Performing block encoding
[2022-02-23 18:20:02,767 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-23 18:20:02,768 INFO L299 CfgBuilder]: Removed 1 assume(true) statements.
[2022-02-23 18:20:02,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 06:20:02 BoogieIcfgContainer
[2022-02-23 18:20:02,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-23 18:20:02,783 INFO L113 PluginConnector]: ------------------------IcfgTransformer----------------------------
[2022-02-23 18:20:02,783 INFO L271 PluginConnector]: Initializing IcfgTransformer...
[2022-02-23 18:20:02,784 INFO L275 PluginConnector]: IcfgTransformer initialized
[2022-02-23 18:20:02,786 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 06:20:02" (1/1) ...
[2022-02-23 18:20:02,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 23.02 06:20:02 BasicIcfg
[2022-02-23 18:20:02,802 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer----------------------------
[2022-02-23 18:20:02,804 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-23 18:20:02,804 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-02-23 18:20:02,806 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-02-23 18:20:02,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 06:20:02" (1/4) ...
[2022-02-23 18:20:02,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18435918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 06:20:02, skipping insertion in model container
[2022-02-23 18:20:02,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:20:02" (2/4) ...
[2022-02-23 18:20:02,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18435918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 06:20:02, skipping insertion in model container
[2022-02-23 18:20:02,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 06:20:02" (3/4) ...
[2022-02-23 18:20:02,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18435918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 06:20:02, skipping insertion in model container
[2022-02-23 18:20:02,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 23.02 06:20:02" (4/4) ...
[2022-02-23 18:20:02,808 INFO L111 eAbstractionObserver]: Analyzing ICFG freire2_valuebound100.cJordan
[2022-02-23 18:20:02,811 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION
[2022-02-23 18:20:02,811 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-02-23 18:20:02,839 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-02-23 18:20:02,844 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=ForwardPredicates, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, 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, mLoopAccelerationTechnique=FAST_UPR
[2022-02-23 18:20:02,844 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-02-23 18:20:02,853 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 16 states have (on average 1.375) internal successors, (22), 17 states have internal predecessors, (22), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9)
[2022-02-23 18:20:02,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2022-02-23 18:20:02,858 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-23 18:20:02,858 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-23 18:20:02,859 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-02-23 18:20:02,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-23 18:20:02,862 INFO L85 PathProgramCache]: Analyzing trace with hash -179702132, now seen corresponding path program 1 times
[2022-02-23 18:20:02,868 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-23 18:20:02,868 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205848019]
[2022-02-23 18:20:02,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-23 18:20:02,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-23 18:20:02,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-23 18:20:02,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2022-02-23 18:20:02,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-23 18:20:02,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2022-02-23 18:20:02,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-23 18:20:02,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-23 18:20:02,977 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-23 18:20:02,977 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205848019]
[2022-02-23 18:20:02,978 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205848019] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-23 18:20:02,978 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-23 18:20:02,978 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-02-23 18:20:02,979 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951602503]
[2022-02-23 18:20:02,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-23 18:20:02,982 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-02-23 18:20:02,982 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-23 18:20:03,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-02-23 18:20:03,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-23 18:20:03,002 INFO L87 Difference]: Start difference. First operand has 31 states, 16 states have (on average 1.375) internal successors, (22), 17 states have internal predecessors, (22), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2022-02-23 18:20:03,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-23 18:20:03,045 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions.
[2022-02-23 18:20:03,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-23 18:20:03,047 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17
[2022-02-23 18:20:03,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-23 18:20:03,051 INFO L225 Difference]: With dead ends: 31
[2022-02-23 18:20:03,051 INFO L226 Difference]: Without dead ends: 26
[2022-02-23 18:20:03,053 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-23 18:20:03,055 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 15 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-23 18:20:03,056 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 32 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-23 18:20:03,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states.
[2022-02-23 18:20:03,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26.
[2022-02-23 18:20:03,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 9 states have call successors, (9), 4 states have call predecessors, (9), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2022-02-23 18:20:03,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions.
[2022-02-23 18:20:03,079 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 31 transitions. Word has length 17
[2022-02-23 18:20:03,079 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-23 18:20:03,079 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 31 transitions.
[2022-02-23 18:20:03,079 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2022-02-23 18:20:03,080 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions.
[2022-02-23 18:20:03,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2022-02-23 18:20:03,080 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-23 18:20:03,080 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-23 18:20:03,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-02-23 18:20:03,080 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-02-23 18:20:03,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-23 18:20:03,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1985279762, now seen corresponding path program 1 times
[2022-02-23 18:20:03,081 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-23 18:20:03,081 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194200986]
[2022-02-23 18:20:03,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-23 18:20:03,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-23 18:20:03,092 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2022-02-23 18:20:03,092 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [40233900]
[2022-02-23 18:20:03,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-23 18:20:03,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-23 18:20:03,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-23 18:20:03,094 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-23 18:20:03,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2022-02-23 18:20:03,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-02-23 18:20:03,136 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-02-23 18:20:03,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-02-23 18:20:03,157 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-02-23 18:20:03,158 INFO L628 BasicCegarLoop]: Counterexample is feasible
[2022-02-23 18:20:03,159 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2022-02-23 18:20:03,180 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2022-02-23 18:20:03,376 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-23 18:20:03,379 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1]
[2022-02-23 18:20:03,382 INFO L180 ceAbstractionStarter]: Computing trace abstraction results
[2022-02-23 18:20:03,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 06:20:03 BasicIcfg
[2022-02-23 18:20:03,404 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-02-23 18:20:03,405 INFO L158 Benchmark]: Toolchain (without parser) took 1048.09ms. Allocated memory is still 195.0MB. Free memory was 145.8MB in the beginning and 127.1MB in the end (delta: 18.7MB). Peak memory consumption was 18.5MB. Max. memory is 8.0GB.
[2022-02-23 18:20:03,406 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 195.0MB. Free memory is still 162.2MB. There was no memory consumed. Max. memory is 8.0GB.
[2022-02-23 18:20:03,409 INFO L158 Benchmark]: CACSL2BoogieTranslator took 165.84ms. Allocated memory is still 195.0MB. Free memory was 145.6MB in the beginning and 170.4MB in the end (delta: -24.8MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB.
[2022-02-23 18:20:03,409 INFO L158 Benchmark]: Boogie Preprocessor took 21.35ms. Allocated memory is still 195.0MB. Free memory was 170.4MB in the beginning and 168.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2022-02-23 18:20:03,410 INFO L158 Benchmark]: RCFGBuilder took 230.76ms. Allocated memory is still 195.0MB. Free memory was 168.7MB in the beginning and 158.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB.
[2022-02-23 18:20:03,410 INFO L158 Benchmark]: IcfgTransformer took 19.48ms. Allocated memory is still 195.0MB. Free memory was 158.2MB in the beginning and 156.8MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-23 18:20:03,411 INFO L158 Benchmark]: TraceAbstraction took 600.28ms. Allocated memory is still 195.0MB. Free memory was 156.5MB in the beginning and 127.1MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB.
[2022-02-23 18:20:03,417 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.49ms. Allocated memory is still 195.0MB. Free memory is still 162.2MB. There was no memory consumed. Max. memory is 8.0GB.
* CACSL2BoogieTranslator took 165.84ms. Allocated memory is still 195.0MB. Free memory was 145.6MB in the beginning and 170.4MB in the end (delta: -24.8MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 21.35ms. Allocated memory is still 195.0MB. Free memory was 170.4MB in the beginning and 168.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
* RCFGBuilder took 230.76ms. Allocated memory is still 195.0MB. Free memory was 168.7MB in the beginning and 158.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB.
* IcfgTransformer took 19.48ms. Allocated memory is still 195.0MB. Free memory was 158.2MB in the beginning and 156.8MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* TraceAbstraction took 600.28ms. Allocated memory is still 195.0MB. Free memory was 156.5MB in the beginning and 127.1MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- UnprovableResult [Line: 19]: Unable to prove that call to reach_error is unreachable
Unable to prove that call to reach_error is unreachable
Reason: overapproximation of to_int at line 34, overapproximation of someBinaryDOUBLEComparisonOperation at line 28.
Possible FailurePath:
[L25] int r;
[L26] double a, x, s;
[L27] a = __VERIFIER_nondet_double()
[L28] CALL assume_abort_if_not(a>=0 && a<=100)
VAL [\old(cond)=1]
[L14] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1]
[L28] RET assume_abort_if_not(a>=0 && a<=100)
VAL [a=2]
[L29] x = a
[L30] s = 3.25
[L31] r = 1
VAL [a=2, r=1, s=13/4, x=2]
[L33] COND TRUE 1
VAL [a=2, r=1, s=13/4, x=2]
[L34] CALL __VERIFIER_assert((int)(4*s) - 12*r*r == 1)
VAL [\old(cond)=0]
[L17] COND TRUE !(cond)
VAL [\old(cond)=0, cond=0]
[L19] reach_error()
VAL [\old(cond)=0, cond=0]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 5 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 29 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2022-02-23 18:20:03,454 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...