/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/freire2_valuebound100.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.1-dev-1a84f73
[2021-05-01 05:14:20,341 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-05-01 05:14:20,342 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-05-01 05:14:20,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-05-01 05:14:20,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-05-01 05:14:20,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-05-01 05:14:20,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2021-05-01 05:14:20,366 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-05-01 05:14:20,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-05-01 05:14:20,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-05-01 05:14:20,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-05-01 05:14:20,368 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-05-01 05:14:20,369 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-05-01 05:14:20,370 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-05-01 05:14:20,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-05-01 05:14:20,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-05-01 05:14:20,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-05-01 05:14:20,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-05-01 05:14:20,374 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-05-01 05:14:20,375 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-05-01 05:14:20,376 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-05-01 05:14:20,376 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
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[2021-05-01 05:14:20,378 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-05-01 05:14:20,379 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
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[2021-05-01 05:14:20,380 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
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[2021-05-01 05:14:20,389 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-05-01 05:14:20,389 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-05-01 05:14:20,390 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-05-01 05:14:20,390 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2021-05-01 05:14:20,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-05-01 05:14:20,396 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf
[2021-05-01 05:14:20,412 INFO L113 SettingsManager]: Loading preferences was successful
[2021-05-01 05:14:20,412 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-05-01 05:14:20,415 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-05-01 05:14:20,415 INFO L138 SettingsManager]: * sizeof long=4
[2021-05-01 05:14:20,415 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-05-01 05:14:20,415 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-05-01 05:14:20,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-05-01 05:14:20,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-05-01 05:14:20,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-05-01 05:14:20,416 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-05-01 05:14:20,417 INFO L138 SettingsManager]: * sizeof long double=12
[2021-05-01 05:14:20,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-05-01 05:14:20,417 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-05-01 05:14:20,417 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-05-01 05:14:20,417 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-05-01 05:14:20,417 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-05-01 05:14:20,418 INFO L138 SettingsManager]: * To the following directory=./dump/
[2021-05-01 05:14:20,418 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-05-01 05:14:20,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-05-01 05:14:20,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-05-01 05:14:20,418 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-05-01 05:14:20,419 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2021-05-01 05:14:20,419 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-05-01 05:14:20,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-05-01 05:14:20,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-05-01 05:14:20,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-05-01 05:14:20,703 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-05-01 05:14:20,703 INFO L275 PluginConnector]: CDTParser initialized
[2021-05-01 05:14:20,704 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/freire2_valuebound100.c
[2021-05-01 05:14:20,749 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4de12e9bd/f83b9c2274384fb692c91e3a3e423b7f/FLAG288524a08
[2021-05-01 05:14:21,081 INFO L306 CDTParser]: Found 1 translation units.
[2021-05-01 05:14:21,082 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/freire2_valuebound100.c
[2021-05-01 05:14:21,087 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4de12e9bd/f83b9c2274384fb692c91e3a3e423b7f/FLAG288524a08
[2021-05-01 05:14:21,485 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4de12e9bd/f83b9c2274384fb692c91e3a3e423b7f
[2021-05-01 05:14:21,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-05-01 05:14:21,489 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2021-05-01 05:14:21,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-05-01 05:14:21,493 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-05-01 05:14:21,495 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-05-01 05:14:21,495 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.05 05:14:21" (1/1) ...
[2021-05-01 05:14:21,496 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62b61747 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 05:14:21, skipping insertion in model container
[2021-05-01 05:14:21,496 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.05 05:14:21" (1/1) ...
[2021-05-01 05:14:21,501 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-05-01 05:14:21,511 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-05-01 05:14:21,590 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/freire2_valuebound100.c[709,722]
[2021-05-01 05:14:21,603 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-05-01 05:14:21,607 INFO L203 MainTranslator]: Completed pre-run
[2021-05-01 05:14:21,615 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/freire2_valuebound100.c[709,722]
[2021-05-01 05:14:21,652 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-05-01 05:14:21,660 INFO L208 MainTranslator]: Completed translation
[2021-05-01 05:14:21,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 05:14:21 WrapperNode
[2021-05-01 05:14:21,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-05-01 05:14:21,661 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-05-01 05:14:21,661 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-05-01 05:14:21,661 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-05-01 05:14:21,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 05:14:21" (1/1) ...
[2021-05-01 05:14:21,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 05:14:21" (1/1) ...
[2021-05-01 05:14:21,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 05:14:21" (1/1) ...
[2021-05-01 05:14:21,672 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 05:14:21" (1/1) ...
[2021-05-01 05:14:21,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 05:14:21" (1/1) ...
[2021-05-01 05:14:21,678 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 05:14:21" (1/1) ...
[2021-05-01 05:14:21,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 05:14:21" (1/1) ...
[2021-05-01 05:14:21,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-05-01 05:14:21,680 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-05-01 05:14:21,680 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-05-01 05:14:21,680 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-05-01 05:14:21,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 05:14:21" (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 05:14:21,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2021-05-01 05:14:21,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-05-01 05:14:21,734 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2021-05-01 05:14:21,734 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2021-05-01 05:14:21,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2021-05-01 05:14:21,734 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2021-05-01 05:14:21,734 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2021-05-01 05:14:21,734 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2021-05-01 05:14:21,735 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2021-05-01 05:14:21,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-05-01 05:14:21,735 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double
[2021-05-01 05:14:21,735 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2021-05-01 05:14:21,735 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2021-05-01 05:14:21,735 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2021-05-01 05:14:21,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2021-05-01 05:14:21,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-05-01 05:14:21,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-05-01 05:14:21,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-05-01 05:14:21,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2021-05-01 05:14:21,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-05-01 05:14:21,973 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-05-01 05:14:21,973 INFO L299 CfgBuilder]: Removed 1 assume(true) statements.
[2021-05-01 05:14:21,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.05 05:14:21 BoogieIcfgContainer
[2021-05-01 05:14:21,974 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-05-01 05:14:21,975 INFO L113 PluginConnector]: ------------------------IcfgTransformer----------------------------
[2021-05-01 05:14:21,975 INFO L271 PluginConnector]: Initializing IcfgTransformer...
[2021-05-01 05:14:21,976 INFO L275 PluginConnector]: IcfgTransformer initialized
[2021-05-01 05:14:21,977 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.05 05:14:21" (1/1) ...
[2021-05-01 05:14:21,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 01.05 05:14:21 BasicIcfg
[2021-05-01 05:14:21,991 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer----------------------------
[2021-05-01 05:14:21,992 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-05-01 05:14:21,992 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-05-01 05:14:22,000 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-05-01 05:14:22,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.05 05:14:21" (1/4) ...
[2021-05-01 05:14:22,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eadec0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.05 05:14:22, skipping insertion in model container
[2021-05-01 05:14:22,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 05:14:21" (2/4) ...
[2021-05-01 05:14:22,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eadec0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.05 05:14:22, skipping insertion in model container
[2021-05-01 05:14:22,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.05 05:14:21" (3/4) ...
[2021-05-01 05:14:22,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eadec0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.05 05:14:22, skipping insertion in model container
[2021-05-01 05:14:22,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 01.05 05:14:21" (4/4) ...
[2021-05-01 05:14:22,002 INFO L111 eAbstractionObserver]: Analyzing ICFG freire2_valuebound100.cJordan
[2021-05-01 05:14:22,006 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION
[2021-05-01 05:14:22,009 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2021-05-01 05:14:22,020 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-05-01 05:14:22,041 INFO L376 AbstractCegarLoop]: Interprodecural is true
[2021-05-01 05:14:22,042 INFO L377 AbstractCegarLoop]: Hoare is false
[2021-05-01 05:14:22,042 INFO L378 AbstractCegarLoop]: Compute interpolants for ForwardPredicates
[2021-05-01 05:14:22,042 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-05-01 05:14:22,042 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-05-01 05:14:22,042 INFO L381 AbstractCegarLoop]: Difference is false
[2021-05-01 05:14:22,042 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-05-01 05:14:22,042 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-05-01 05:14:22,055 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)
[2021-05-01 05:14:22,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2021-05-01 05:14:22,064 INFO L511 BasicCegarLoop]: Found error trace
[2021-05-01 05:14:22,065 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 05:14:22,065 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-05-01 05:14:22,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-05-01 05:14:22,069 INFO L82 PathProgramCache]: Analyzing trace with hash -179702132, now seen corresponding path program 1 times
[2021-05-01 05:14:22,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-05-01 05:14:22,076 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226634731]
[2021-05-01 05:14:22,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-05-01 05:14:22,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-05-01 05:14:22,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:14:22,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:14:22,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:14:22,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:14:22,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-05-01 05:14:22,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-05-01 05:14:22,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-05-01 05:14:22,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-05-01 05:14:22,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-05-01 05:14:22,292 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-05-01 05:14:22,292 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.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1)
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)
... 32 more
[2021-05-01 05:14:22,294 INFO L168 Benchmark]: Toolchain (without parser) took 804.98 ms. Allocated memory is still 239.1 MB. Free memory was 204.4 MB in the beginning and 186.8 MB in the end (delta: 17.6 MB). Peak memory consumption was 18.2 MB. Max. memory is 8.0 GB.
[2021-05-01 05:14:22,295 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 239.1 MB. Free memory is still 220.7 MB. There was no memory consumed. Max. memory is 8.0 GB.
[2021-05-01 05:14:22,295 INFO L168 Benchmark]: CACSL2BoogieTranslator took 168.32 ms. Allocated memory is still 239.1 MB. Free memory was 204.2 MB in the beginning and 222.5 MB in the end (delta: -18.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB.
[2021-05-01 05:14:22,296 INFO L168 Benchmark]: Boogie Preprocessor took 18.37 ms. Allocated memory is still 239.1 MB. Free memory was 222.5 MB in the beginning and 221.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB.
[2021-05-01 05:14:22,296 INFO L168 Benchmark]: RCFGBuilder took 294.40 ms. Allocated memory is still 239.1 MB. Free memory was 220.8 MB in the beginning and 206.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB.
[2021-05-01 05:14:22,297 INFO L168 Benchmark]: IcfgTransformer took 16.30 ms. Allocated memory is still 239.1 MB. Free memory was 206.1 MB in the beginning and 204.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
[2021-05-01 05:14:22,297 INFO L168 Benchmark]: TraceAbstraction took 301.12 ms. Allocated memory is still 239.1 MB. Free memory was 204.3 MB in the beginning and 186.8 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB.
[2021-05-01 05:14:22,300 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.34 ms. Allocated memory is still 239.1 MB. Free memory is still 220.7 MB. There was no memory consumed. Max. memory is 8.0 GB.
* CACSL2BoogieTranslator took 168.32 ms. Allocated memory is still 239.1 MB. Free memory was 204.2 MB in the beginning and 222.5 MB in the end (delta: -18.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB.
* Boogie Preprocessor took 18.37 ms. Allocated memory is still 239.1 MB. Free memory was 222.5 MB in the beginning and 221.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB.
* RCFGBuilder took 294.40 ms. Allocated memory is still 239.1 MB. Free memory was 220.8 MB in the beginning and 206.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB.
* IcfgTransformer took 16.30 ms. Allocated memory is still 239.1 MB. Free memory was 206.1 MB in the beginning and 204.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
* TraceAbstraction took 301.12 ms. Allocated memory is still 239.1 MB. Free memory was 204.3 MB in the beginning and 186.8 MB in the end (delta: 17.4 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...