/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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 03:23:42,961 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-28 03:23:42,965 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-28 03:23:42,991 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-28 03:23:42,992 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-28 03:23:42,993 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-28 03:23:42,995 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-28 03:23:42,997 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-28 03:23:42,999 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-28 03:23:43,000 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-28 03:23:43,001 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-28 03:23:43,003 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-28 03:23:43,003 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-28 03:23:43,007 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-28 03:23:43,008 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-28 03:23:43,011 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-28 03:23:43,012 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-28 03:23:43,013 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-28 03:23:43,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-28 03:23:43,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-28 03:23:43,025 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-28 03:23:43,027 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-28 03:23:43,030 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-28 03:23:43,031 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-28 03:23:43,038 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-28 03:23:43,038 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-28 03:23:43,038 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-28 03:23:43,043 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-28 03:23:43,044 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-28 03:23:43,046 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-28 03:23:43,046 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-28 03:23:43,048 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-28 03:23:43,049 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-28 03:23:43,050 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-28 03:23:43,052 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-28 03:23:43,052 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-28 03:23:43,053 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-28 03:23:43,054 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-28 03:23:43,054 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-28 03:23:43,055 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-28 03:23:43,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-28 03:23:43,058 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 03:23:43,122 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-28 03:23:43,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-28 03:23:43,124 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-28 03:23:43,124 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-28 03:23:43,124 INFO L138 SettingsManager]: * Use SBE=true [2020-08-28 03:23:43,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-28 03:23:43,125 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-28 03:23:43,126 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-28 03:23:43,126 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-28 03:23:43,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-28 03:23:43,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-28 03:23:43,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-28 03:23:43,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-28 03:23:43,128 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-28 03:23:43,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-28 03:23:43,128 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-28 03:23:43,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-28 03:23:43,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-28 03:23:43,129 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-28 03:23:43,129 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-28 03:23:43,129 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-28 03:23:43,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-28 03:23:43,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-28 03:23:43,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-28 03:23:43,130 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-28 03:23:43,130 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-28 03:23:43,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-28 03:23:43,131 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-28 03:23:43,131 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-28 03:23:43,131 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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; [2020-08-28 03:23:43,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-28 03:23:43,668 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-28 03:23:43,675 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-28 03:23:43,677 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-28 03:23:43,677 INFO L275 PluginConnector]: CDTParser initialized [2020-08-28 03:23:43,678 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.02.cil.c [2020-08-28 03:23:43,762 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7fe2d44b8/9591b12e72de4b8e876bc5de70701298/FLAG0bdfa9034 [2020-08-28 03:23:44,372 INFO L306 CDTParser]: Found 1 translation units. [2020-08-28 03:23:44,373 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/transmitter.02.cil.c [2020-08-28 03:23:44,385 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7fe2d44b8/9591b12e72de4b8e876bc5de70701298/FLAG0bdfa9034 [2020-08-28 03:23:44,649 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7fe2d44b8/9591b12e72de4b8e876bc5de70701298 [2020-08-28 03:23:44,663 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-28 03:23:44,665 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-28 03:23:44,666 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-28 03:23:44,666 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-28 03:23:44,671 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-28 03:23:44,672 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 03:23:44" (1/1) ... [2020-08-28 03:23:44,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45241865 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 03:23:44, skipping insertion in model container [2020-08-28 03:23:44,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 03:23:44" (1/1) ... [2020-08-28 03:23:44,686 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-28 03:23:44,725 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-28 03:23:44,978 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-28 03:23:44,986 INFO L203 MainTranslator]: Completed pre-run [2020-08-28 03:23:45,114 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-28 03:23:45,138 INFO L208 MainTranslator]: Completed translation [2020-08-28 03:23:45,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 03:23:45 WrapperNode [2020-08-28 03:23:45,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-28 03:23:45,140 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-28 03:23:45,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-28 03:23:45,140 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-28 03:23:45,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 03:23:45" (1/1) ... [2020-08-28 03:23:45,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 03:23:45" (1/1) ... [2020-08-28 03:23:45,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 03:23:45" (1/1) ... [2020-08-28 03:23:45,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 03:23:45" (1/1) ... [2020-08-28 03:23:45,173 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 03:23:45" (1/1) ... [2020-08-28 03:23:45,185 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 03:23:45" (1/1) ... [2020-08-28 03:23:45,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 03:23:45" (1/1) ... [2020-08-28 03:23:45,192 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-28 03:23:45,193 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-28 03:23:45,193 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-28 03:23:45,193 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-28 03:23:45,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 03:23:45" (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 03:23:45,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-28 03:23:45,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-28 03:23:45,268 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-08-28 03:23:45,268 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-08-28 03:23:45,269 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-08-28 03:23:45,269 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-08-28 03:23:45,269 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-08-28 03:23:45,269 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-08-28 03:23:45,269 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-08-28 03:23:45,269 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-08-28 03:23:45,270 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-08-28 03:23:45,270 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-08-28 03:23:45,270 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-08-28 03:23:45,270 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-08-28 03:23:45,270 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-08-28 03:23:45,271 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-08-28 03:23:45,271 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-08-28 03:23:45,271 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-08-28 03:23:45,271 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-08-28 03:23:45,272 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-08-28 03:23:45,272 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-08-28 03:23:45,272 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-08-28 03:23:45,272 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-28 03:23:45,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-28 03:23:45,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-28 03:23:45,273 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-08-28 03:23:45,273 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-08-28 03:23:45,273 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-08-28 03:23:45,273 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-08-28 03:23:45,273 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-08-28 03:23:45,274 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-08-28 03:23:45,274 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-08-28 03:23:45,274 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-08-28 03:23:45,274 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-08-28 03:23:45,274 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-08-28 03:23:45,275 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-08-28 03:23:45,275 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-08-28 03:23:45,275 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-08-28 03:23:45,275 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-08-28 03:23:45,275 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-08-28 03:23:45,275 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-08-28 03:23:45,276 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-08-28 03:23:45,276 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-08-28 03:23:45,276 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-08-28 03:23:45,276 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-08-28 03:23:45,276 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-28 03:23:45,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-28 03:23:45,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-28 03:23:45,875 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-28 03:23:45,875 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-08-28 03:23:45,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.08 03:23:45 BoogieIcfgContainer [2020-08-28 03:23:45,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-28 03:23:45,883 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-28 03:23:45,883 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-28 03:23:45,887 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-28 03:23:45,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.08 03:23:44" (1/3) ... [2020-08-28 03:23:45,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1917e4f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.08 03:23:45, skipping insertion in model container [2020-08-28 03:23:45,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 03:23:45" (2/3) ... [2020-08-28 03:23:45,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1917e4f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.08 03:23:45, skipping insertion in model container [2020-08-28 03:23:45,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.08 03:23:45" (3/3) ... [2020-08-28 03:23:45,891 INFO L109 eAbstractionObserver]: Analyzing ICFG transmitter.02.cil.c [2020-08-28 03:23:45,903 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-28 03:23:45,914 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-28 03:23:45,934 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-28 03:23:45,963 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-28 03:23:45,963 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-28 03:23:45,964 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-28 03:23:45,964 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-28 03:23:45,964 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-28 03:23:45,964 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-28 03:23:45,964 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-28 03:23:45,964 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-28 03:23:45,991 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2020-08-28 03:23:46,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-08-28 03:23:46,003 INFO L414 BasicCegarLoop]: Found error trace [2020-08-28 03:23:46,004 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 03:23:46,005 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-28 03:23:46,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-28 03:23:46,012 INFO L82 PathProgramCache]: Analyzing trace with hash 1996614335, now seen corresponding path program 1 times [2020-08-28 03:23:46,021 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-28 03:23:46,022 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [528483924] [2020-08-28 03:23:46,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-28 03:23:46,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-28 03:23:46,195 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-28 03:23:46,196 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.(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.(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.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(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.(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$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-08-28 03:23:46,204 INFO L168 Benchmark]: Toolchain (without parser) took 1537.48 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 101.9 MB in the beginning and 125.3 MB in the end (delta: -23.4 MB). Peak memory consumption was 39.5 MB. Max. memory is 7.1 GB. [2020-08-28 03:23:46,205 INFO L168 Benchmark]: CDTParser took 0.85 ms. Allocated memory is still 140.5 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-28 03:23:46,206 INFO L168 Benchmark]: CACSL2BoogieTranslator took 473.53 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 101.7 MB in the beginning and 179.5 MB in the end (delta: -77.8 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2020-08-28 03:23:46,207 INFO L168 Benchmark]: Boogie Preprocessor took 52.66 ms. Allocated memory is still 203.4 MB. Free memory was 179.5 MB in the beginning and 177.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-08-28 03:23:46,208 INFO L168 Benchmark]: RCFGBuilder took 689.13 ms. Allocated memory is still 203.4 MB. Free memory was 177.6 MB in the beginning and 140.7 MB in the end (delta: 36.9 MB). Peak memory consumption was 36.9 MB. Max. memory is 7.1 GB. [2020-08-28 03:23:46,209 INFO L168 Benchmark]: TraceAbstraction took 316.92 ms. Allocated memory is still 203.4 MB. Free memory was 140.7 MB in the beginning and 125.3 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. [2020-08-28 03:23:46,213 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.85 ms. Allocated memory is still 140.5 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 473.53 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 101.7 MB in the beginning and 179.5 MB in the end (delta: -77.8 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 52.66 ms. Allocated memory is still 203.4 MB. Free memory was 179.5 MB in the beginning and 177.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 689.13 ms. Allocated memory is still 203.4 MB. Free memory was 177.6 MB in the beginning and 140.7 MB in the end (delta: 36.9 MB). Peak memory consumption was 36.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 316.92 ms. Allocated memory is still 203.4 MB. Free memory was 140.7 MB in the beginning and 125.3 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 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...