/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/systemc/transmitter.02.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-89f541c
[2020-08-28 05:46:12,193 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-08-28 05:46:12,197 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-08-28 05:46:12,223 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-08-28 05:46:12,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-08-28 05:46:12,225 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-08-28 05:46:12,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-08-28 05:46:12,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-08-28 05:46:12,233 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-08-28 05:46:12,235 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-08-28 05:46:12,238 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-08-28 05:46:12,239 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-08-28 05:46:12,239 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-08-28 05:46:12,242 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-08-28 05:46:12,243 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-08-28 05:46:12,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-08-28 05:46:12,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-08-28 05:46:12,248 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-08-28 05:46:12,253 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-08-28 05:46:12,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-08-28 05:46:12,260 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-08-28 05:46:12,263 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-08-28 05:46:12,264 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-08-28 05:46:12,266 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-08-28 05:46:12,273 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-08-28 05:46:12,273 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-08-28 05:46:12,273 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-08-28 05:46:12,277 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-08-28 05:46:12,277 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-08-28 05:46:12,280 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-08-28 05:46:12,280 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-08-28 05:46:12,281 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-08-28 05:46:12,282 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-08-28 05:46:12,283 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-08-28 05:46:12,294 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-08-28 05:46:12,295 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-08-28 05:46:12,296 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-08-28 05:46:12,296 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-08-28 05:46:12,296 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-08-28 05:46:12,306 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-08-28 05:46:12,307 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-08-28 05:46:12,309 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-08-28 05:46:12,359 INFO L113 SettingsManager]: Loading preferences was successful
[2020-08-28 05:46:12,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-08-28 05:46:12,363 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-08-28 05:46:12,363 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-08-28 05:46:12,364 INFO L138 SettingsManager]: * Use SBE=true
[2020-08-28 05:46:12,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-08-28 05:46:12,364 INFO L138 SettingsManager]: * sizeof long=4
[2020-08-28 05:46:12,364 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-08-28 05:46:12,364 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-08-28 05:46:12,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-08-28 05:46:12,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-08-28 05:46:12,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-08-28 05:46:12,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-08-28 05:46:12,365 INFO L138 SettingsManager]: * sizeof long double=12
[2020-08-28 05:46:12,366 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-08-28 05:46:12,367 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-08-28 05:46:12,367 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-08-28 05:46:12,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-08-28 05:46:12,367 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-08-28 05:46:12,368 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-08-28 05:46:12,368 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-08-28 05:46:12,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-08-28 05:46:12,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-08-28 05:46:12,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-08-28 05:46:12,369 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-08-28 05:46:12,369 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-08-28 05:46:12,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-08-28 05:46:12,369 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-08-28 05:46:12,370 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-08-28 05:46:12,370 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;
[2020-08-28 05:46:12,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-08-28 05:46:12,911 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-08-28 05:46:12,916 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-08-28 05:46:12,918 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-08-28 05:46:12,919 INFO L275 PluginConnector]: CDTParser initialized
[2020-08-28 05:46:12,921 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.02.cil.c
[2020-08-28 05:46:13,018 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/17d654b6a/123a4b2f7e384f80bfc47ab82dcd2a80/FLAG5934c4c0b
[2020-08-28 05:46:13,586 INFO L306 CDTParser]: Found 1 translation units.
[2020-08-28 05:46:13,592 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/transmitter.02.cil.c
[2020-08-28 05:46:13,604 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/17d654b6a/123a4b2f7e384f80bfc47ab82dcd2a80/FLAG5934c4c0b
[2020-08-28 05:46:13,927 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/17d654b6a/123a4b2f7e384f80bfc47ab82dcd2a80
[2020-08-28 05:46:13,942 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-08-28 05:46:13,944 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-08-28 05:46:13,945 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-08-28 05:46:13,945 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-08-28 05:46:13,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-08-28 05:46:13,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 05:46:13" (1/1) ...
[2020-08-28 05:46:13,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1987833a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:46:13, skipping insertion in model container
[2020-08-28 05:46:13,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 05:46:13" (1/1) ...
[2020-08-28 05:46:13,966 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-08-28 05:46:14,028 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-08-28 05:46:14,281 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-08-28 05:46:14,289 INFO L203 MainTranslator]: Completed pre-run
[2020-08-28 05:46:14,418 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-08-28 05:46:14,441 INFO L208 MainTranslator]: Completed translation
[2020-08-28 05:46:14,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:46:14 WrapperNode
[2020-08-28 05:46:14,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-08-28 05:46:14,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-08-28 05:46:14,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-08-28 05:46:14,443 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-08-28 05:46:14,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:46:14" (1/1) ...
[2020-08-28 05:46:14,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:46:14" (1/1) ...
[2020-08-28 05:46:14,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:46:14" (1/1) ...
[2020-08-28 05:46:14,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:46:14" (1/1) ...
[2020-08-28 05:46:14,477 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:46:14" (1/1) ...
[2020-08-28 05:46:14,491 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:46:14" (1/1) ...
[2020-08-28 05:46:14,493 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:46:14" (1/1) ...
[2020-08-28 05:46:14,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-08-28 05:46:14,498 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-08-28 05:46:14,498 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-08-28 05:46:14,498 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-08-28 05:46:14,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:46:14" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/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
[2020-08-28 05:46:14,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-08-28 05:46:14,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-08-28 05:46:14,587 INFO L138 BoogieDeclarations]: Found implementation of procedure error
[2020-08-28 05:46:14,587 INFO L138 BoogieDeclarations]: Found implementation of procedure master
[2020-08-28 05:46:14,587 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1
[2020-08-28 05:46:14,587 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2
[2020-08-28 05:46:14,587 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered
[2020-08-28 05:46:14,588 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered
[2020-08-28 05:46:14,588 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered
[2020-08-28 05:46:14,588 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels
[2020-08-28 05:46:14,588 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads
[2020-08-28 05:46:14,588 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread
[2020-08-28 05:46:14,589 INFO L138 BoogieDeclarations]: Found implementation of procedure eval
[2020-08-28 05:46:14,589 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events
[2020-08-28 05:46:14,589 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events
[2020-08-28 05:46:14,589 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads
[2020-08-28 05:46:14,589 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify
[2020-08-28 05:46:14,590 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events
[2020-08-28 05:46:14,590 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events
[2020-08-28 05:46:14,590 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model
[2020-08-28 05:46:14,590 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation
[2020-08-28 05:46:14,591 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation
[2020-08-28 05:46:14,591 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-08-28 05:46:14,591 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-08-28 05:46:14,591 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-08-28 05:46:14,591 INFO L130 BoogieDeclarations]: Found specification of procedure error
[2020-08-28 05:46:14,592 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered
[2020-08-28 05:46:14,592 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered
[2020-08-28 05:46:14,592 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered
[2020-08-28 05:46:14,592 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify
[2020-08-28 05:46:14,592 INFO L130 BoogieDeclarations]: Found specification of procedure master
[2020-08-28 05:46:14,593 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1
[2020-08-28 05:46:14,593 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2
[2020-08-28 05:46:14,593 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels
[2020-08-28 05:46:14,593 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads
[2020-08-28 05:46:14,593 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread
[2020-08-28 05:46:14,593 INFO L130 BoogieDeclarations]: Found specification of procedure eval
[2020-08-28 05:46:14,594 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events
[2020-08-28 05:46:14,594 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events
[2020-08-28 05:46:14,594 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads
[2020-08-28 05:46:14,594 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events
[2020-08-28 05:46:14,594 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events
[2020-08-28 05:46:14,594 INFO L130 BoogieDeclarations]: Found specification of procedure init_model
[2020-08-28 05:46:14,595 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation
[2020-08-28 05:46:14,595 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation
[2020-08-28 05:46:14,595 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-08-28 05:46:14,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-08-28 05:46:14,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-08-28 05:46:15,209 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-08-28 05:46:15,209 INFO L295 CfgBuilder]: Removed 6 assume(true) statements.
[2020-08-28 05:46:15,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.08 05:46:15 BoogieIcfgContainer
[2020-08-28 05:46:15,216 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-08-28 05:46:15,217 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-08-28 05:46:15,217 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-08-28 05:46:15,221 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-08-28 05:46:15,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.08 05:46:13" (1/3) ...
[2020-08-28 05:46:15,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6779202a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.08 05:46:15, skipping insertion in model container
[2020-08-28 05:46:15,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:46:14" (2/3) ...
[2020-08-28 05:46:15,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6779202a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.08 05:46:15, skipping insertion in model container
[2020-08-28 05:46:15,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.08 05:46:15" (3/3) ...
[2020-08-28 05:46:15,226 INFO L109 eAbstractionObserver]: Analyzing ICFG transmitter.02.cil.c
[2020-08-28 05:46:15,239 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-08-28 05:46:15,249 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-08-28 05:46:15,272 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-08-28 05:46:15,309 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-08-28 05:46:15,309 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-08-28 05:46:15,309 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-08-28 05:46:15,309 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-08-28 05:46:15,309 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-08-28 05:46:15,310 INFO L380 AbstractCegarLoop]: Difference is false
[2020-08-28 05:46:15,310 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-08-28 05:46:15,310 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-08-28 05:46:15,340 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states.
[2020-08-28 05:46:15,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91
[2020-08-28 05:46:15,354 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-28 05:46:15,356 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-28 05:46:15,356 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-28 05:46:15,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-28 05:46:15,365 INFO L82 PathProgramCache]: Analyzing trace with hash 1996614335, now seen corresponding path program 1 times
[2020-08-28 05:46:15,378 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-28 05:46:15,379 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2125205221]
[2020-08-28 05:46:15,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-28 05:46:15,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-28 05:46:15,652 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-08-28 05:46:15,653 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver:
de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Proof production must be enabled (you can do this via setOption).
at de.uni_freiburg.informatik.ultimate.smtinterpol.muses.MusEnumerationScript.getInterpolants(MusEnumerationScript.java:211)
at de.uni_freiburg.informatik.ultimate.smtinterpol.muses.MusEnumerationScript.getInterpolants(MusEnumerationScript.java:170)
at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337)
at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337)
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:326)
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.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:106)
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$Toolchain.processToolchain(ToolchainManager.java:317)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
[2020-08-28 05:46:15,663 INFO L168 Benchmark]: Toolchain (without parser) took 1716.61 ms. Allocated memory was 142.1 MB in the beginning and 203.9 MB in the end (delta: 61.9 MB). Free memory was 104.7 MB in the beginning and 126.2 MB in the end (delta: -21.4 MB). Peak memory consumption was 40.4 MB. Max. memory is 7.1 GB.
[2020-08-28 05:46:15,664 INFO L168 Benchmark]: CDTParser took 0.77 ms. Allocated memory is still 142.1 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-08-28 05:46:15,667 INFO L168 Benchmark]: CACSL2BoogieTranslator took 497.75 ms. Allocated memory was 142.1 MB in the beginning and 203.9 MB in the end (delta: 61.9 MB). Free memory was 104.5 MB in the beginning and 180.2 MB in the end (delta: -75.7 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB.
[2020-08-28 05:46:15,669 INFO L168 Benchmark]: Boogie Preprocessor took 54.57 ms. Allocated memory is still 203.9 MB. Free memory was 180.2 MB in the beginning and 177.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB.
[2020-08-28 05:46:15,671 INFO L168 Benchmark]: RCFGBuilder took 717.87 ms. Allocated memory is still 203.9 MB. Free memory was 177.7 MB in the beginning and 141.6 MB in the end (delta: 36.1 MB). Peak memory consumption was 36.1 MB. Max. memory is 7.1 GB.
[2020-08-28 05:46:15,672 INFO L168 Benchmark]: TraceAbstraction took 440.74 ms. Allocated memory is still 203.9 MB. Free memory was 141.0 MB in the beginning and 126.2 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB.
[2020-08-28 05:46:15,686 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.77 ms. Allocated memory is still 142.1 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 497.75 ms. Allocated memory was 142.1 MB in the beginning and 203.9 MB in the end (delta: 61.9 MB). Free memory was 104.5 MB in the beginning and 180.2 MB in the end (delta: -75.7 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 54.57 ms. Allocated memory is still 203.9 MB. Free memory was 180.2 MB in the beginning and 177.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 717.87 ms. Allocated memory is still 203.9 MB. Free memory was 177.7 MB in the beginning and 141.6 MB in the end (delta: 36.1 MB). Peak memory consumption was 36.1 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 440.74 ms. Allocated memory is still 203.9 MB. Free memory was 141.0 MB in the beginning and 126.2 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- ExceptionOrErrorResult: SMTLIBException: Proof production must be enabled (you can do this via setOption).
de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Proof production must be enabled (you can do this via setOption).: de.uni_freiburg.informatik.ultimate.smtinterpol.muses.MusEnumerationScript.getInterpolants(MusEnumerationScript.java:211)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...