/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/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/freire1_valuebound10.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.1-dev-1a84f73
[2021-05-01 08:23:05,174 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-05-01 08:23:05,176 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-05-01 08:23:05,210 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-05-01 08:23:05,211 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-05-01 08:23:05,214 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-05-01 08:23:05,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2021-05-01 08:23:05,243 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-05-01 08:23:05,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-05-01 08:23:05,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-05-01 08:23:05,252 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-05-01 08:23:05,256 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-05-01 08:23:05,257 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-05-01 08:23:05,260 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-05-01 08:23:05,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-05-01 08:23:05,262 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-05-01 08:23:05,267 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2021-05-01 08:23:05,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2021-05-01 08:23:05,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-05-01 08:23:05,277 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf
[2021-05-01 08:23:05,291 INFO L113 SettingsManager]: Loading preferences was successful
[2021-05-01 08:23:05,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-05-01 08:23:05,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-05-01 08:23:05,294 INFO L138 SettingsManager]: * sizeof long=4
[2021-05-01 08:23:05,294 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-05-01 08:23:05,294 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-05-01 08:23:05,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-05-01 08:23:05,295 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-05-01 08:23:05,295 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-05-01 08:23:05,295 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-05-01 08:23:05,296 INFO L138 SettingsManager]: * sizeof long double=12
[2021-05-01 08:23:05,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-05-01 08:23:05,296 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-05-01 08:23:05,296 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-05-01 08:23:05,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-05-01 08:23:05,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-05-01 08:23:05,297 INFO L138 SettingsManager]: * To the following directory=./dump/
[2021-05-01 08:23:05,297 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-05-01 08:23:05,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-05-01 08:23:05,297 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-05-01 08:23:05,298 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation
[2021-05-01 08:23:05,298 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-05-01 08:23:05,298 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN
[2021-05-01 08:23:05,298 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-05-01 08:23:05,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-05-01 08:23:05,731 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-05-01 08:23:05,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-05-01 08:23:05,735 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-05-01 08:23:05,736 INFO L275 PluginConnector]: CDTParser initialized
[2021-05-01 08:23:05,737 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/freire1_valuebound10.c
[2021-05-01 08:23:05,817 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f327878a9/4bbc1a8b8a3f4ec0b4fdd69087eed6d4/FLAG0baf3099e
[2021-05-01 08:23:06,310 INFO L306 CDTParser]: Found 1 translation units.
[2021-05-01 08:23:06,311 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/freire1_valuebound10.c
[2021-05-01 08:23:06,318 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f327878a9/4bbc1a8b8a3f4ec0b4fdd69087eed6d4/FLAG0baf3099e
[2021-05-01 08:23:06,718 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f327878a9/4bbc1a8b8a3f4ec0b4fdd69087eed6d4
[2021-05-01 08:23:06,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-05-01 08:23:06,723 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2021-05-01 08:23:06,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-05-01 08:23:06,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-05-01 08:23:06,741 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-05-01 08:23:06,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.05 08:23:06" (1/1) ...
[2021-05-01 08:23:06,744 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6887df8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 08:23:06, skipping insertion in model container
[2021-05-01 08:23:06,744 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.05 08:23:06" (1/1) ...
[2021-05-01 08:23:06,756 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-05-01 08:23:06,772 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-05-01 08:23:06,875 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_valuebound10.c[712,725]
[2021-05-01 08:23:06,890 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-05-01 08:23:06,903 INFO L203 MainTranslator]: Completed pre-run
[2021-05-01 08:23:06,913 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_valuebound10.c[712,725]
[2021-05-01 08:23:06,917 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-05-01 08:23:06,934 INFO L208 MainTranslator]: Completed translation
[2021-05-01 08:23:06,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 08:23:06 WrapperNode
[2021-05-01 08:23:06,935 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-05-01 08:23:06,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-05-01 08:23:06,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-05-01 08:23:06,938 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-05-01 08:23:06,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 08:23:06" (1/1) ...
[2021-05-01 08:23:06,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 08:23:06" (1/1) ...
[2021-05-01 08:23:06,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 08:23:06" (1/1) ...
[2021-05-01 08:23:06,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 08:23:06" (1/1) ...
[2021-05-01 08:23:07,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 08:23:06" (1/1) ...
[2021-05-01 08:23:07,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 08:23:06" (1/1) ...
[2021-05-01 08:23:07,007 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 08:23:06" (1/1) ...
[2021-05-01 08:23:07,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-05-01 08:23:07,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-05-01 08:23:07,010 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-05-01 08:23:07,010 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-05-01 08:23:07,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 08:23:06" (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 08:23:07,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2021-05-01 08:23:07,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-05-01 08:23:07,083 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2021-05-01 08:23:07,083 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2021-05-01 08:23:07,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2021-05-01 08:23:07,084 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2021-05-01 08:23:07,084 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2021-05-01 08:23:07,084 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2021-05-01 08:23:07,084 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2021-05-01 08:23:07,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-05-01 08:23:07,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double
[2021-05-01 08:23:07,085 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2021-05-01 08:23:07,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2021-05-01 08:23:07,085 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2021-05-01 08:23:07,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2021-05-01 08:23:07,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-05-01 08:23:07,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-05-01 08:23:07,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-05-01 08:23:07,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2021-05-01 08:23:07,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-05-01 08:23:07,370 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-05-01 08:23:07,370 INFO L299 CfgBuilder]: Removed 1 assume(true) statements.
[2021-05-01 08:23:07,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.05 08:23:07 BoogieIcfgContainer
[2021-05-01 08:23:07,372 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-05-01 08:23:07,373 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-05-01 08:23:07,373 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-05-01 08:23:07,376 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-05-01 08:23:07,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.05 08:23:06" (1/3) ...
[2021-05-01 08:23:07,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ed6f70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.05 08:23:07, skipping insertion in model container
[2021-05-01 08:23:07,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 08:23:06" (2/3) ...
[2021-05-01 08:23:07,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ed6f70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.05 08:23:07, skipping insertion in model container
[2021-05-01 08:23:07,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.05 08:23:07" (3/3) ...
[2021-05-01 08:23:07,398 INFO L111 eAbstractionObserver]: Analyzing ICFG freire1_valuebound10.c
[2021-05-01 08:23:07,403 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION
[2021-05-01 08:23:07,407 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2021-05-01 08:23:07,425 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-05-01 08:23:07,445 INFO L376 AbstractCegarLoop]: Interprodecural is true
[2021-05-01 08:23:07,445 INFO L377 AbstractCegarLoop]: Hoare is true
[2021-05-01 08:23:07,445 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation
[2021-05-01 08:23:07,445 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-05-01 08:23:07,445 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-05-01 08:23:07,445 INFO L381 AbstractCegarLoop]: Difference is false
[2021-05-01 08:23:07,445 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-05-01 08:23:07,446 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-05-01 08:23:07,460 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 16 states have (on average 1.375) internal successors, (22), 17 states have internal predecessors, (22), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2021-05-01 08:23:07,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2021-05-01 08:23:07,467 INFO L511 BasicCegarLoop]: Found error trace
[2021-05-01 08:23:07,468 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-05-01 08:23:07,469 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-05-01 08:23:07,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-05-01 08:23:07,479 INFO L82 PathProgramCache]: Analyzing trace with hash 1914087080, now seen corresponding path program 1 times
[2021-05-01 08:23:07,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2021-05-01 08:23:07,489 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1576020009]
[2021-05-01 08:23:07,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-05-01 08:23:07,554 INFO L224 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation
[2021-05-01 08:23:07,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-05-01 08:23:07,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 08:23:07,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 08:23:07,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 08:23:07,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 08:23:07,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-05-01 08:23:07,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-05-01 08:23:07,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 08:23:07,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 08:23:07,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-05-01 08:23:07,814 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-05-01 08:23:07,815 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception:
java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.<init>(TraceCheck.java:237)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.<init>(InterpolatingTraceCheck.java:90)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.<init>(InterpolatingTraceCheckCraig.java:89)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:378)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.<init>(InterpolatingTraceCheckCraig.java:97)
at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.Interpolator.generateInterpolantsCraigNested(Interpolator.java:154)
at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.Interpolator.generateInterpolants(Interpolator.java:108)
at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolationCore.acceleratedInterpolationCoreIsCorrect(AcceleratedInterpolationCore.java:225)
at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.<init>(AcceleratedInterpolation.java:165)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:145)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:248)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:165)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.<init>(AutomatonFreeRefinementEngine.java:84)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.<init>(TraceAbstractionRefinementEngine.java:74)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:608)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:437)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateAllErrorsAtOnce(TraceAbstractionStarter.java:317)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:127)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124)
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)
Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms
at de.uni_freiburg.informatik.ultimate.logic.NoopScript.annotate(NoopScript.java:557)
at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282)
at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertTerm(AnnotateAndAssertCodeBlocks.java:192)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertLocalVarAssignemntPendingContext(AnnotateAndAssertCodeBlocks.java:169)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:120)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:314)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.<init>(TraceCheck.java:208)
... 35 more
[2021-05-01 08:23:07,823 INFO L168 Benchmark]: Toolchain (without parser) took 1097.96 ms. Allocated memory is still 255.9 MB. Free memory was 221.3 MB in the beginning and 207.2 MB in the end (delta: 14.1 MB). Peak memory consumption was 13.9 MB. Max. memory is 8.0 GB.
[2021-05-01 08:23:07,825 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 255.9 MB. Free memory was 237.9 MB in the beginning and 237.9 MB in the end (delta: 80.3 kB). There was no memory consumed. Max. memory is 8.0 GB.
[2021-05-01 08:23:07,826 INFO L168 Benchmark]: CACSL2BoogieTranslator took 198.74 ms. Allocated memory is still 255.9 MB. Free memory was 221.1 MB in the beginning and 211.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB.
[2021-05-01 08:23:07,827 INFO L168 Benchmark]: Boogie Preprocessor took 71.34 ms. Allocated memory is still 255.9 MB. Free memory was 211.3 MB in the beginning and 239.0 MB in the end (delta: -27.7 MB). Peak memory consumption was 4.4 MB. Max. memory is 8.0 GB.
[2021-05-01 08:23:07,827 INFO L168 Benchmark]: RCFGBuilder took 361.89 ms. Allocated memory is still 255.9 MB. Free memory was 239.0 MB in the beginning and 225.7 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB.
[2021-05-01 08:23:07,828 INFO L168 Benchmark]: TraceAbstraction took 446.32 ms. Allocated memory is still 255.9 MB. Free memory was 225.0 MB in the beginning and 207.2 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB.
[2021-05-01 08:23:07,835 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.20 ms. Allocated memory is still 255.9 MB. Free memory was 237.9 MB in the beginning and 237.9 MB in the end (delta: 80.3 kB). There was no memory consumed. Max. memory is 8.0 GB.
* CACSL2BoogieTranslator took 198.74 ms. Allocated memory is still 255.9 MB. Free memory was 221.1 MB in the beginning and 211.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB.
* Boogie Preprocessor took 71.34 ms. Allocated memory is still 255.9 MB. Free memory was 211.3 MB in the beginning and 239.0 MB in the end (delta: -27.7 MB). Peak memory consumption was 4.4 MB. Max. memory is 8.0 GB.
* RCFGBuilder took 361.89 ms. Allocated memory is still 255.9 MB. Free memory was 239.0 MB in the beginning and 225.7 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB.
* TraceAbstraction took 446.32 ms. Allocated memory is still 255.9 MB. Free memory was 225.0 MB in the beginning and 207.2 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms
de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.<init>(TraceCheck.java:237)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...