/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-crafted/simple_vardep_2.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-8fc6572
[2020-07-10 15:28:22,607 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-07-10 15:28:22,611 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-10 15:28:22,630 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-10 15:28:22,631 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-10 15:28:22,633 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-10 15:28:22,635 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-10 15:28:22,645 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
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[2020-07-10 15:28:22,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
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[2020-07-10 15:28:22,662 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-10 15:28:22,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-10 15:28:22,665 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-10 15:28:22,666 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-10 15:28:22,672 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-10 15:28:22,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-10 15:28:22,682 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-10 15:28:22,683 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-07-10 15:28:22,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-10 15:28:22,689 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2020-07-10 15:28:22,689 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
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[2020-07-10 15:28:22,703 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-07-10 15:28:22,704 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-07-10 15:28:22,741 INFO L113 SettingsManager]: Loading preferences was successful
[2020-07-10 15:28:22,741 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-10 15:28:22,746 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-10 15:28:22,746 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-07-10 15:28:22,749 INFO L138 SettingsManager]: * Use SBE=true
[2020-07-10 15:28:22,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-10 15:28:22,750 INFO L138 SettingsManager]: * sizeof long=4
[2020-07-10 15:28:22,750 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-07-10 15:28:22,750 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-07-10 15:28:22,750 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-07-10 15:28:22,751 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-07-10 15:28:22,751 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-10 15:28:22,751 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-07-10 15:28:22,751 INFO L138 SettingsManager]: * sizeof long double=12
[2020-07-10 15:28:22,751 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-07-10 15:28:22,751 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-07-10 15:28:22,752 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-07-10 15:28:22,752 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-10 15:28:22,752 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-07-10 15:28:22,753 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-07-10 15:28:22,753 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-07-10 15:28:22,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-10 15:28:22,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-10 15:28:22,754 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-07-10 15:28:22,754 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-10 15:28:22,754 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-07-10 15:28:22,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-10 15:28:22,755 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-10 15:28:22,755 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-07-10 15:28:22,755 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2020-07-10 15:28:23,085 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-10 15:28:23,098 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-10 15:28:23,101 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-10 15:28:23,103 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-07-10 15:28:23,103 INFO L275 PluginConnector]: CDTParser initialized
[2020-07-10 15:28:23,104 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_vardep_2.c
[2020-07-10 15:28:23,184 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a15bddeac/05f05512813b4cd8856e50da0d801e18/FLAG33a38c982
[2020-07-10 15:28:23,620 INFO L306 CDTParser]: Found 1 translation units.
[2020-07-10 15:28:23,621 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_vardep_2.c
[2020-07-10 15:28:23,628 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a15bddeac/05f05512813b4cd8856e50da0d801e18/FLAG33a38c982
[2020-07-10 15:28:24,036 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a15bddeac/05f05512813b4cd8856e50da0d801e18
[2020-07-10 15:28:24,045 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-10 15:28:24,047 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-10 15:28:24,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-10 15:28:24,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-10 15:28:24,052 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-10 15:28:24,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 03:28:24" (1/1) ...
[2020-07-10 15:28:24,057 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6057d15b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:28:24, skipping insertion in model container
[2020-07-10 15:28:24,057 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 03:28:24" (1/1) ...
[2020-07-10 15:28:24,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-07-10 15:28:24,082 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-07-10 15:28:24,260 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-10 15:28:24,266 INFO L203 MainTranslator]: Completed pre-run
[2020-07-10 15:28:24,283 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-10 15:28:24,298 INFO L208 MainTranslator]: Completed translation
[2020-07-10 15:28:24,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:28:24 WrapperNode
[2020-07-10 15:28:24,298 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-10 15:28:24,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-10 15:28:24,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-10 15:28:24,299 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-07-10 15:28:24,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:28:24" (1/1) ...
[2020-07-10 15:28:24,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:28:24" (1/1) ...
[2020-07-10 15:28:24,317 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:28:24" (1/1) ...
[2020-07-10 15:28:24,317 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:28:24" (1/1) ...
[2020-07-10 15:28:24,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:28:24" (1/1) ...
[2020-07-10 15:28:24,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:28:24" (1/1) ...
[2020-07-10 15:28:24,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:28:24" (1/1) ...
[2020-07-10 15:28:24,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-10 15:28:24,409 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-10 15:28:24,409 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-07-10 15:28:24,409 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-07-10 15:28:24,410 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:28:24" (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
[2020-07-10 15:28:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-10 15:28:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-10 15:28:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2020-07-10 15:28:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-07-10 15:28:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-10 15:28:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2020-07-10 15:28:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-07-10 15:28:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-10 15:28:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-10 15:28:24,671 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-10 15:28:24,671 INFO L295 CfgBuilder]: Removed 1 assume(true) statements.
[2020-07-10 15:28:24,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 03:28:24 BoogieIcfgContainer
[2020-07-10 15:28:24,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-10 15:28:24,677 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-10 15:28:24,677 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-07-10 15:28:24,680 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-07-10 15:28:24,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 03:28:24" (1/3) ...
[2020-07-10 15:28:24,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72ac85f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 03:28:24, skipping insertion in model container
[2020-07-10 15:28:24,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:28:24" (2/3) ...
[2020-07-10 15:28:24,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72ac85f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 03:28:24, skipping insertion in model container
[2020-07-10 15:28:24,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 03:28:24" (3/3) ...
[2020-07-10 15:28:24,684 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_vardep_2.c
[2020-07-10 15:28:24,695 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-07-10 15:28:24,702 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-10 15:28:24,714 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-10 15:28:24,737 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-07-10 15:28:24,737 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-07-10 15:28:24,737 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-07-10 15:28:24,738 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-10 15:28:24,738 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-10 15:28:24,738 INFO L380 AbstractCegarLoop]: Difference is false
[2020-07-10 15:28:24,738 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-10 15:28:24,738 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-10 15:28:24,757 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states.
[2020-07-10 15:28:24,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2020-07-10 15:28:24,762 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-10 15:28:24,762 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-10 15:28:24,763 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-10 15:28:24,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-10 15:28:24,768 INFO L82 PathProgramCache]: Analyzing trace with hash 1847991872, now seen corresponding path program 1 times
[2020-07-10 15:28:24,776 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-07-10 15:28:24,777 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135030123]
[2020-07-10 15:28:24,777 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-07-10 15:28:24,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-10 15:28:24,934 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-07-10 15:28:24,935 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception:
java.lang.AssertionError
at de.uni_freiburg.informatik.ultimate.smtinterpol.proof.FixResolutionProof.fix(FixResolutionProof.java:191)
at de.uni_freiburg.informatik.ultimate.smtinterpol.proof.ProofTermGenerator.convert(ProofTermGenerator.java:150)
at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getProof(SMTInterpol.java:797)
at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:391)
at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:385)
at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:332)
at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:332)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.<init>(NestedInterpolantsBuilder.java:166)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:337)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:239)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.<init>(InterpolatingTraceCheckCraig.java:108)
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:101)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.<init>(AutomatonFreeRefinementEngine.java:85)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.<init>(TraceAbstractionRefinementEngine.java:75)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:127)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120)
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$Toolchain.processToolchain(ToolchainManager.java:317)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
[2020-07-10 15:28:24,941 INFO L168 Benchmark]: Toolchain (without parser) took 893.02 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 103.5 MB in the beginning and 153.3 MB in the end (delta: -49.8 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB.
[2020-07-10 15:28:24,943 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
[2020-07-10 15:28:24,944 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.52 ms. Allocated memory is still 138.4 MB. Free memory was 103.3 MB in the beginning and 93.3 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB.
[2020-07-10 15:28:24,945 INFO L168 Benchmark]: Boogie Preprocessor took 109.09 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 93.3 MB in the beginning and 180.6 MB in the end (delta: -87.2 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB.
[2020-07-10 15:28:24,946 INFO L168 Benchmark]: RCFGBuilder took 266.98 ms. Allocated memory is still 201.3 MB. Free memory was 180.6 MB in the beginning and 166.2 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB.
[2020-07-10 15:28:24,947 INFO L168 Benchmark]: TraceAbstraction took 260.75 ms. Allocated memory is still 201.3 MB. Free memory was 166.2 MB in the beginning and 153.3 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB.
[2020-07-10 15:28:24,951 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- AssertionsEnabledResult: Assertions are enabled
Assertions are enabled
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.25 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 250.52 ms. Allocated memory is still 138.4 MB. Free memory was 103.3 MB in the beginning and 93.3 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 109.09 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 93.3 MB in the beginning and 180.6 MB in the end (delta: -87.2 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 266.98 ms. Allocated memory is still 201.3 MB. Free memory was 180.6 MB in the beginning and 166.2 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 260.75 ms. Allocated memory is still 201.3 MB. Free memory was 166.2 MB in the beginning and 153.3 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- ExceptionOrErrorResult: AssertionError: null
de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: null: de.uni_freiburg.informatik.ultimate.smtinterpol.proof.FixResolutionProof.fix(FixResolutionProof.java:191)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...