/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/freire1_unwindbound10.c


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


This is Ultimate 0.2.1-dev-1a84f73
[2021-05-01 05:14:05,096 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-05-01 05:14:05,099 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
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[2021-05-01 05:14:05,146 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-05-01 05:14:05,150 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-05-01 05:14:05,151 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-05-01 05:14:05,152 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-05-01 05:14:05,156 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-05-01 05:14:05,157 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-05-01 05:14:05,158 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-05-01 05:14:05,159 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-05-01 05:14:05,160 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-05-01 05:14:05,165 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2021-05-01 05:14:05,166 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
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[2021-05-01 05:14:05,171 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2021-05-01 05:14:05,188 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-05-01 05:14:05,189 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf
[2021-05-01 05:14:05,202 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-05-01 05:14:05,202 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-05-01 05:14:05,204 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-05-01 05:14:05,204 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-05-01 05:14:05,204 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-05-01 05:14:05,204 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-05-01 05:14:05,205 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-05-01 05:14:05,205 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-05-01 05:14:05,205 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-05-01 05:14:05,205 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-05-01 05:14:05,206 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-05-01 05:14:05,206 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-05-01 05:14:05,206 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-05-01 05:14:05,206 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-05-01 05:14:05,206 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-05-01 05:14:05,206 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-05-01 05:14:05,206 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2021-05-01 05:14:05,207 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-05-01 05:14:05,207 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-05-01 05:14:05,207 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-05-01 05:14:05,207 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-05-01 05:14:05,208 INFO  L136        SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2021-05-01 05:14:05,208 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-05-01 05:14:05,474 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-05-01 05:14:05,491 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-05-01 05:14:05,493 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-05-01 05:14:05,494 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-05-01 05:14:05,494 INFO  L275        PluginConnector]: CDTParser initialized
[2021-05-01 05:14:05,494 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/freire1_unwindbound10.c
[2021-05-01 05:14:05,538 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab41a1518/cc2e187ca424413284a380e22a6124fa/FLAG9de662f21
[2021-05-01 05:14:05,925 INFO  L306              CDTParser]: Found 1 translation units.
[2021-05-01 05:14:05,925 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/freire1_unwindbound10.c
[2021-05-01 05:14:05,929 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab41a1518/cc2e187ca424413284a380e22a6124fa/FLAG9de662f21
[2021-05-01 05:14:05,943 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab41a1518/cc2e187ca424413284a380e22a6124fa
[2021-05-01 05:14:05,945 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-05-01 05:14:05,946 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2021-05-01 05:14:05,949 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-05-01 05:14:05,949 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-05-01 05:14:05,952 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-05-01 05:14:05,953 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.05 05:14:05" (1/1) ...
[2021-05-01 05:14:05,953 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bb28d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 05:14:05, skipping insertion in model container
[2021-05-01 05:14:05,953 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.05 05:14:05" (1/1) ...
[2021-05-01 05:14:05,958 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-05-01 05:14:05,968 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-05-01 05:14:06,083 WARN  L224   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/freire1_unwindbound10.c[712,725]
[2021-05-01 05:14:06,095 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-05-01 05:14:06,101 INFO  L203         MainTranslator]: Completed pre-run
[2021-05-01 05:14:06,109 WARN  L224   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/freire1_unwindbound10.c[712,725]
[2021-05-01 05:14:06,115 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-05-01 05:14:06,125 INFO  L208         MainTranslator]: Completed translation
[2021-05-01 05:14:06,126 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 05:14:06 WrapperNode
[2021-05-01 05:14:06,126 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-05-01 05:14:06,128 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-05-01 05:14:06,128 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-05-01 05:14:06,128 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-05-01 05:14:06,161 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 05:14:06" (1/1) ...
[2021-05-01 05:14:06,161 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 05:14:06" (1/1) ...
[2021-05-01 05:14:06,166 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 05:14:06" (1/1) ...
[2021-05-01 05:14:06,166 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 05:14:06" (1/1) ...
[2021-05-01 05:14:06,169 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 05:14:06" (1/1) ...
[2021-05-01 05:14:06,173 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 05:14:06" (1/1) ...
[2021-05-01 05:14:06,174 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 05:14:06" (1/1) ...
[2021-05-01 05:14:06,180 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-05-01 05:14:06,181 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-05-01 05:14:06,181 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-05-01 05:14:06,181 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-05-01 05:14:06,182 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 05:14:06" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-05-01 05:14:06,255 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2021-05-01 05:14:06,255 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-05-01 05:14:06,256 INFO  L138     BoogieDeclarations]: Found implementation of procedure reach_error
[2021-05-01 05:14:06,256 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2021-05-01 05:14:06,256 INFO  L138     BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2021-05-01 05:14:06,256 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2021-05-01 05:14:06,256 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2021-05-01 05:14:06,256 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2021-05-01 05:14:06,256 INFO  L130     BoogieDeclarations]: Found specification of procedure reach_error
[2021-05-01 05:14:06,256 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-05-01 05:14:06,256 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double
[2021-05-01 05:14:06,257 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2021-05-01 05:14:06,257 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2021-05-01 05:14:06,257 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2021-05-01 05:14:06,257 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2021-05-01 05:14:06,257 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-05-01 05:14:06,257 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-05-01 05:14:06,257 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-05-01 05:14:06,258 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2021-05-01 05:14:06,258 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-05-01 05:14:06,405 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-05-01 05:14:06,405 INFO  L299             CfgBuilder]: Removed 1 assume(true) statements.
[2021-05-01 05:14:06,406 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.05 05:14:06 BoogieIcfgContainer
[2021-05-01 05:14:06,406 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-05-01 05:14:06,407 INFO  L113        PluginConnector]: ------------------------IcfgTransformer----------------------------
[2021-05-01 05:14:06,407 INFO  L271        PluginConnector]: Initializing IcfgTransformer...
[2021-05-01 05:14:06,407 INFO  L275        PluginConnector]: IcfgTransformer initialized
[2021-05-01 05:14:06,409 INFO  L185        PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.05 05:14:06" (1/1) ...
[2021-05-01 05:14:06,420 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 01.05 05:14:06 BasicIcfg
[2021-05-01 05:14:06,420 INFO  L132        PluginConnector]: ------------------------ END IcfgTransformer----------------------------
[2021-05-01 05:14:06,421 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-05-01 05:14:06,421 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-05-01 05:14:06,423 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-05-01 05:14:06,423 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.05 05:14:05" (1/4) ...
[2021-05-01 05:14:06,424 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a750ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.05 05:14:06, skipping insertion in model container
[2021-05-01 05:14:06,424 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 05:14:06" (2/4) ...
[2021-05-01 05:14:06,424 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a750ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.05 05:14:06, skipping insertion in model container
[2021-05-01 05:14:06,424 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.05 05:14:06" (3/4) ...
[2021-05-01 05:14:06,424 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a750ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.05 05:14:06, skipping insertion in model container
[2021-05-01 05:14:06,424 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 01.05 05:14:06" (4/4) ...
[2021-05-01 05:14:06,425 INFO  L111   eAbstractionObserver]: Analyzing ICFG freire1_unwindbound10.cJordan
[2021-05-01 05:14:06,428 INFO  L149   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION
[2021-05-01 05:14:06,445 INFO  L161   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2021-05-01 05:14:06,463 INFO  L253      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-05-01 05:14:06,479 INFO  L376      AbstractCegarLoop]: Interprodecural is true
[2021-05-01 05:14:06,479 INFO  L377      AbstractCegarLoop]: Hoare is false
[2021-05-01 05:14:06,479 INFO  L378      AbstractCegarLoop]: Compute interpolants for ForwardPredicates
[2021-05-01 05:14:06,480 INFO  L379      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-05-01 05:14:06,480 INFO  L380      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-05-01 05:14:06,480 INFO  L381      AbstractCegarLoop]: Difference is false
[2021-05-01 05:14:06,480 INFO  L382      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-05-01 05:14:06,480 INFO  L386      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-05-01 05:14:06,490 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 22 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 14 states have internal predecessors, (18), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2021-05-01 05:14:06,494 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2021-05-01 05:14:06,494 INFO  L511         BasicCegarLoop]: Found error trace
[2021-05-01 05:14:06,494 INFO  L519         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-05-01 05:14:06,494 INFO  L428      AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-05-01 05:14:06,497 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-05-01 05:14:06,497 INFO  L82        PathProgramCache]: Analyzing trace with hash -630084848, now seen corresponding path program 1 times
[2021-05-01 05:14:06,507 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-05-01 05:14:06,508 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630630188]
[2021-05-01 05:14:06,508 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-05-01 05:14:06,607 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-05-01 05:14:06,659 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:14:06,660 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:14:06,661 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:14:06,661 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:14:06,707 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-05-01 05:14:06,719 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-05-01 05:14:06,727 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:14:06,729 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:14:06,730 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-05-01 05:14:06,730 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-05-01 05:14:06,730 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630630188]
[2021-05-01 05:14:06,731 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630630188] provided 1 perfect and 0 imperfect interpolant sequences
[2021-05-01 05:14:06,731 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-05-01 05:14:06,732 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-05-01 05:14:06,732 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205818383]
[2021-05-01 05:14:06,735 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-05-01 05:14:06,735 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-05-01 05:14:06,745 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-05-01 05:14:06,746 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-05-01 05:14:06,747 INFO  L87              Difference]: Start difference. First operand  has 22 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 14 states have internal predecessors, (18), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) 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)
[2021-05-01 05:14:06,792 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-05-01 05:14:06,792 INFO  L93              Difference]: Finished difference Result 23 states and 25 transitions.
[2021-05-01 05:14:06,793 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-05-01 05:14:06,794 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
[2021-05-01 05:14:06,794 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-05-01 05:14:06,799 INFO  L225             Difference]: With dead ends: 23
[2021-05-01 05:14:06,799 INFO  L226             Difference]: Without dead ends: 18
[2021-05-01 05:14:06,800 INFO  L775         BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 44.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-05-01 05:14:06,810 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 18 states.
[2021-05-01 05:14:06,819 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17.
[2021-05-01 05:14:06,819 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 17 states, 10 states have (on average 1.3) internal successors, (13), 11 states have internal predecessors, (13), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2021-05-01 05:14:06,821 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions.
[2021-05-01 05:14:06,821 INFO  L78                 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 11
[2021-05-01 05:14:06,822 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-05-01 05:14:06,822 INFO  L480      AbstractCegarLoop]: Abstraction has 17 states and 19 transitions.
[2021-05-01 05:14:06,822 INFO  L481      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)
[2021-05-01 05:14:06,822 INFO  L276                IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions.
[2021-05-01 05:14:06,822 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2021-05-01 05:14:06,823 INFO  L511         BasicCegarLoop]: Found error trace
[2021-05-01 05:14:06,823 INFO  L519         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-05-01 05:14:06,823 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-05-01 05:14:06,823 INFO  L428      AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-05-01 05:14:06,824 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-05-01 05:14:06,824 INFO  L82        PathProgramCache]: Analyzing trace with hash 1971636769, now seen corresponding path program 1 times
[2021-05-01 05:14:06,824 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-05-01 05:14:06,824 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257903953]
[2021-05-01 05:14:06,824 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-05-01 05:14:06,853 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-05-01 05:14:06,887 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:14:06,888 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:14:06,891 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:14:06,892 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:14:06,893 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:14:06,893 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:14:06,897 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:14:06,898 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:14:06,925 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-05-01 05:14:06,938 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-05-01 05:14:06,952 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:14:06,953 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-05-01 05:14:06,954 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-05-01 05:14:06,955 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-05-01 05:14:06,955 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257903953]
[2021-05-01 05:14:06,956 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257903953] provided 1 perfect and 0 imperfect interpolant sequences
[2021-05-01 05:14:06,956 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-05-01 05:14:06,957 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-05-01 05:14:06,957 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121970059]
[2021-05-01 05:14:06,958 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 5 states
[2021-05-01 05:14:06,958 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-05-01 05:14:06,966 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-05-01 05:14:06,967 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-05-01 05:14:06,967 INFO  L87              Difference]: Start difference. First operand 17 states and 19 transitions. Second operand  has 5 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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)
[2021-05-01 05:14:07,035 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-05-01 05:14:07,035 INFO  L93              Difference]: Finished difference Result 19 states and 21 transitions.
[2021-05-01 05:14:07,035 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-05-01 05:14:07,036 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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) Word has length 12
[2021-05-01 05:14:07,036 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-05-01 05:14:07,037 INFO  L225             Difference]: With dead ends: 19
[2021-05-01 05:14:07,037 INFO  L226             Difference]: Without dead ends: 19
[2021-05-01 05:14:07,038 INFO  L775         BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 55.4ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2021-05-01 05:14:07,039 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 19 states.
[2021-05-01 05:14:07,045 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19.
[2021-05-01 05:14:07,045 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 19 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2021-05-01 05:14:07,046 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions.
[2021-05-01 05:14:07,046 INFO  L78                 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 12
[2021-05-01 05:14:07,051 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-05-01 05:14:07,051 INFO  L480      AbstractCegarLoop]: Abstraction has 19 states and 21 transitions.
[2021-05-01 05:14:07,052 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 5 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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)
[2021-05-01 05:14:07,052 INFO  L276                IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions.
[2021-05-01 05:14:07,053 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2021-05-01 05:14:07,053 INFO  L511         BasicCegarLoop]: Found error trace
[2021-05-01 05:14:07,054 INFO  L519         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-05-01 05:14:07,054 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-05-01 05:14:07,054 INFO  L428      AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-05-01 05:14:07,054 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-05-01 05:14:07,054 INFO  L82        PathProgramCache]: Analyzing trace with hash 1972709245, now seen corresponding path program 1 times
[2021-05-01 05:14:07,055 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-05-01 05:14:07,055 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414648309]
[2021-05-01 05:14:07,055 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-05-01 05:14:07,072 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-05-01 05:14:07,072 INFO  L223             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-05-01 05:14:07,079 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-05-01 05:14:07,079 INFO  L223             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-05-01 05:14:07,091 INFO  L173   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-05-01 05:14:07,092 INFO  L620         BasicCegarLoop]: Counterexample might be feasible
[2021-05-01 05:14:07,092 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-05-01 05:14:07,106 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.05 05:14:07 BasicIcfg
[2021-05-01 05:14:07,106 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-05-01 05:14:07,107 INFO  L168              Benchmark]: Toolchain (without parser) took 1161.52 ms. Allocated memory is still 189.8 MB. Free memory was 154.9 MB in the beginning and 154.8 MB in the end (delta: 45.2 kB). Peak memory consumption was 221.5 kB. Max. memory is 8.0 GB.
[2021-05-01 05:14:07,107 INFO  L168              Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 189.8 MB. Free memory is still 171.3 MB. There was no memory consumed. Max. memory is 8.0 GB.
[2021-05-01 05:14:07,108 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 176.76 ms. Allocated memory is still 189.8 MB. Free memory was 154.5 MB in the beginning and 144.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB.
[2021-05-01 05:14:07,108 INFO  L168              Benchmark]: Boogie Preprocessor took 52.21 ms. Allocated memory is still 189.8 MB. Free memory was 144.8 MB in the beginning and 173.1 MB in the end (delta: -28.4 MB). Peak memory consumption was 4.5 MB. Max. memory is 8.0 GB.
[2021-05-01 05:14:07,109 INFO  L168              Benchmark]: RCFGBuilder took 225.13 ms. Allocated memory is still 189.8 MB. Free memory was 173.1 MB in the beginning and 159.0 MB in the end (delta: 14.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB.
[2021-05-01 05:14:07,109 INFO  L168              Benchmark]: IcfgTransformer took 13.76 ms. Allocated memory is still 189.8 MB. Free memory was 159.0 MB in the beginning and 157.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB.
[2021-05-01 05:14:07,109 INFO  L168              Benchmark]: TraceAbstraction took 685.30 ms. Allocated memory is still 189.8 MB. Free memory was 157.4 MB in the beginning and 154.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB.
[2021-05-01 05:14:07,111 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.22 ms. Allocated memory is still 189.8 MB. Free memory is still 171.3 MB. There was no memory consumed. Max. memory is 8.0 GB.
 * CACSL2BoogieTranslator took 176.76 ms. Allocated memory is still 189.8 MB. Free memory was 154.5 MB in the beginning and 144.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB.
 * Boogie Preprocessor took 52.21 ms. Allocated memory is still 189.8 MB. Free memory was 144.8 MB in the beginning and 173.1 MB in the end (delta: -28.4 MB). Peak memory consumption was 4.5 MB. Max. memory is 8.0 GB.
 * RCFGBuilder took 225.13 ms. Allocated memory is still 189.8 MB. Free memory was 173.1 MB in the beginning and 159.0 MB in the end (delta: 14.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB.
 * IcfgTransformer took 13.76 ms. Allocated memory is still 189.8 MB. Free memory was 159.0 MB in the beginning and 157.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB.
 * TraceAbstraction took 685.30 ms. Allocated memory is still 189.8 MB. Free memory was 157.4 MB in the beginning and 154.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - 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 33, overapproximation of someBinaryArithmeticDOUBLEoperation at line 29. 
Possible FailurePath: 
[L24]             int counter = 0;
       VAL        [\old(counter)=55, counter=0]
[L26]             int r;
[L27]             double a, x;
[L28]             a = __VERIFIER_nondet_double()
[L29]             x = a / 2.0
[L30]             r = 0
       VAL        [\old(counter)=0, a=53, counter=0, r=0]
[L32]  EXPR       counter++
       VAL        [\old(counter)=0, a=53, counter=1, counter++=0, r=0]
[L32]  COND TRUE  counter++<10
[L33]  CALL       __VERIFIER_assert((int)(r*r - a - r + 2*x) == 0)
       VAL        [\old(cond)=0, \old(counter)=0, counter=1]
[L17]  COND TRUE  !(cond)
       VAL        [\old(cond)=0, \old(counter)=0, cond=0, counter=1]
[L19]             reach_error()
       VAL        [\old(cond)=0, \old(counter)=0, cond=0, counter=1]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 4 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 616.2ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 7.7ms, AutomataDifference: 143.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 38 SDtfs, 12 SDslu, 20 SDs, 0 SdLazy, 41 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 54.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 99.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 20.6ms AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 23.4ms SsaConstructionTime, 69.8ms SatisfiabilityAnalysisTime, 222.0ms InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 99 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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
Received shutdown request...