/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 --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/systemc/pc_sfifo_3.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 04:48:14,008 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 04:48:14,010 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 04:48:14,040 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 04:48:14,040 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 04:48:14,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 04:48:14,043 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 04:48:14,044 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 04:48:14,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 04:48:14,047 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 04:48:14,048 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 04:48:14,049 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 04:48:14,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 04:48:14,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 04:48:14,051 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 04:48:14,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 04:48:14,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 04:48:14,054 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 04:48:14,055 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 04:48:14,057 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 04:48:14,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 04:48:14,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 04:48:14,061 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 04:48:14,062 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 04:48:14,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 04:48:14,064 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 04:48:14,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 04:48:14,065 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 04:48:14,066 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 04:48:14,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 04:48:14,067 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 04:48:14,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 04:48:14,068 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 04:48:14,069 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 04:48:14,070 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 04:48:14,070 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 04:48:14,071 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 04:48:14,071 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 04:48:14,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 04:48:14,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 04:48:14,073 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 04:48:14,074 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 [2020-10-15 04:48:14,114 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 04:48:14,114 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 04:48:14,119 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 04:48:14,119 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 04:48:14,119 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 04:48:14,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 04:48:14,120 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 04:48:14,120 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 04:48:14,120 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 04:48:14,120 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 04:48:14,120 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 04:48:14,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 04:48:14,121 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 04:48:14,124 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 04:48:14,124 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 04:48:14,125 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 04:48:14,125 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 04:48:14,125 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 04:48:14,125 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 04:48:14,125 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 04:48:14,126 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 04:48:14,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 04:48:14,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 04:48:14,127 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 04:48:14,127 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 04:48:14,128 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 04:48:14,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 04:48:14,128 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 04:48:14,128 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 04:48:14,128 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.rcfgbuilder: Size of a code block -> SequenceOfStatements 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 -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 04:48:14,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 04:48:14,483 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 04:48:14,490 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 04:48:14,493 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 04:48:14,493 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 04:48:14,494 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_3.cil.c [2020-10-15 04:48:14,570 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e35d74ce9/b44a6be85b8e451ea8b2611bd3e4305b/FLAGc682ba890 [2020-10-15 04:48:15,075 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 04:48:15,077 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/pc_sfifo_3.cil.c [2020-10-15 04:48:15,087 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e35d74ce9/b44a6be85b8e451ea8b2611bd3e4305b/FLAGc682ba890 [2020-10-15 04:48:15,419 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e35d74ce9/b44a6be85b8e451ea8b2611bd3e4305b [2020-10-15 04:48:15,430 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 04:48:15,432 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 04:48:15,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 04:48:15,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 04:48:15,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 04:48:15,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:48:15" (1/1) ... [2020-10-15 04:48:15,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@786a7c9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:48:15, skipping insertion in model container [2020-10-15 04:48:15,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:48:15" (1/1) ... [2020-10-15 04:48:15,452 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 04:48:15,504 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 04:48:15,732 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 04:48:15,739 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 04:48:15,878 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 04:48:15,899 INFO L208 MainTranslator]: Completed translation [2020-10-15 04:48:15,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:48:15 WrapperNode [2020-10-15 04:48:15,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 04:48:15,900 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 04:48:15,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 04:48:15,901 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 04:48:15,915 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:48:15" (1/1) ... [2020-10-15 04:48:15,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:48:15" (1/1) ... [2020-10-15 04:48:15,923 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:48:15" (1/1) ... [2020-10-15 04:48:15,923 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:48:15" (1/1) ... [2020-10-15 04:48:15,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:48:15" (1/1) ... [2020-10-15 04:48:15,942 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:48:15" (1/1) ... [2020-10-15 04:48:15,945 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:48:15" (1/1) ... [2020-10-15 04:48:15,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 04:48:15,949 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 04:48:15,949 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 04:48:15,950 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 04:48:15,950 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:48:15" (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 [2020-10-15 04:48:16,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 04:48:16,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 04:48:16,017 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-15 04:48:16,017 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2020-10-15 04:48:16,017 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2020-10-15 04:48:16,017 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2020-10-15 04:48:16,017 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2020-10-15 04:48:16,017 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2020-10-15 04:48:16,018 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2020-10-15 04:48:16,018 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-15 04:48:16,018 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-15 04:48:16,018 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-15 04:48:16,018 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-15 04:48:16,018 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-15 04:48:16,018 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-15 04:48:16,019 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-15 04:48:16,019 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-15 04:48:16,019 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-15 04:48:16,019 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-15 04:48:16,019 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-15 04:48:16,019 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-15 04:48:16,020 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 04:48:16,020 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 04:48:16,020 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 04:48:16,020 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-15 04:48:16,020 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2020-10-15 04:48:16,021 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2020-10-15 04:48:16,021 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2020-10-15 04:48:16,021 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2020-10-15 04:48:16,021 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2020-10-15 04:48:16,021 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2020-10-15 04:48:16,021 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-15 04:48:16,022 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-15 04:48:16,022 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-15 04:48:16,022 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-15 04:48:16,022 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-15 04:48:16,022 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-15 04:48:16,022 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-15 04:48:16,022 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-15 04:48:16,022 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-15 04:48:16,023 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-15 04:48:16,023 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-15 04:48:16,023 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-15 04:48:16,023 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 04:48:16,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 04:48:16,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 04:48:16,527 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume 1 == ~q_free~0;~c_dr_st~0 := 2;~c_dr_pc~0 := 2;~a_t~0 := ~a~0; [2020-10-15 04:48:16,528 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !(1 == ~q_free~0); [2020-10-15 04:48:16,549 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 04:48:16,549 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-15 04:48:16,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:48:16 BoogieIcfgContainer [2020-10-15 04:48:16,556 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 04:48:16,558 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 04:48:16,558 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 04:48:16,562 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 04:48:16,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 04:48:15" (1/3) ... [2020-10-15 04:48:16,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@739db854 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:48:16, skipping insertion in model container [2020-10-15 04:48:16,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:48:15" (2/3) ... [2020-10-15 04:48:16,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@739db854 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:48:16, skipping insertion in model container [2020-10-15 04:48:16,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:48:16" (3/3) ... [2020-10-15 04:48:16,566 INFO L109 eAbstractionObserver]: Analyzing ICFG pc_sfifo_3.cil.c [2020-10-15 04:48:16,578 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 04:48:16,587 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 04:48:16,602 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 04:48:16,630 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 04:48:16,630 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 04:48:16,631 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 04:48:16,631 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 04:48:16,631 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 04:48:16,631 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 04:48:16,632 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 04:48:16,632 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 04:48:16,661 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states. [2020-10-15 04:48:16,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-10-15 04:48:16,673 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:48:16,674 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] [2020-10-15 04:48:16,675 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:48:16,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:48:16,682 INFO L82 PathProgramCache]: Analyzing trace with hash 1427944937, now seen corresponding path program 1 times [2020-10-15 04:48:16,692 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:48:16,692 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1891103811] [2020-10-15 04:48:16,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:48:16,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:16,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:17,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:17,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:17,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:17,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:17,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:17,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:17,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:20,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:20,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:21,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:21,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:21,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-15 04:48:21,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-15 04:48:21,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-15 04:48:21,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:21,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:21,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 04:48:21,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 04:48:21,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-15 04:48:21,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-15 04:48:22,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:48:22,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:22,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:22,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:22,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:48:22,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:22,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 04:48:22,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:22,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:22,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:22,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:22,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:22,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:48:22,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:48:22,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:22,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:22,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:22,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:48:22,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:22,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 04:48:22,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:22,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:22,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:48:22,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:22,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:48:22,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-15 04:48:22,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:48:22,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:22,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:22,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:22,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:48:22,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:22,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:48:22,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:22,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:22,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:48:22,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:22,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:48:22,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:48:22,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 04:48:22,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:22,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:22,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:22,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:48:22,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:22,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:48:22,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:22,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:22,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:48:22,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:22,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:48:22,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:48:22,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 04:48:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:22,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:22,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:22,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:48:22,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:22,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 04:48:22,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:22,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:22,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:48:22,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:22,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:48:22,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:48:22,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-15 04:48:22,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:22,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:22,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:22,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:22,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-15 04:48:22,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 04:48:22,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 04:48:22,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:22,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:22,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:48:22,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:22,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-15 04:48:22,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:48:22,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:48:22,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:22,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:22,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:22,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:48:22,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:22,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:48:22,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:22,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:22,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:22,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:22,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:22,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:48:22,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:48:22,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:22,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:22,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:22,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:48:22,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:22,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:48:22,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:22,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:22,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:48:22,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:22,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:48:22,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 04:48:22,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-15 04:48:22,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:22,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:22,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:22,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:48:22,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:22,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:48:22,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:22,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:22,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:48:22,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:22,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:48:22,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:48:22,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-15 04:48:22,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:22,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:22,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:48:22,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:48:22,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:48:22,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 04:48:22,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:48:22,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:48:22,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:48:22,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:48:22,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:48:22,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:48:22,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:48:22,417 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1891103811] [2020-10-15 04:48:22,419 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:48:22,419 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 04:48:22,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615549538] [2020-10-15 04:48:22,428 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 04:48:22,429 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:48:22,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 04:48:22,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-15 04:48:22,448 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 9 states. [2020-10-15 04:48:26,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:48:26,381 INFO L93 Difference]: Finished difference Result 605 states and 1013 transitions. [2020-10-15 04:48:26,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-15 04:48:26,383 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 78 [2020-10-15 04:48:26,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:48:26,390 INFO L225 Difference]: With dead ends: 605 [2020-10-15 04:48:26,391 INFO L226 Difference]: Without dead ends: 0 [2020-10-15 04:48:26,404 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=194, Invalid=456, Unknown=0, NotChecked=0, Total=650 [2020-10-15 04:48:26,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-15 04:48:26,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-15 04:48:26,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-15 04:48:26,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-15 04:48:26,440 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2020-10-15 04:48:26,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:48:26,440 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-15 04:48:26,440 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 04:48:26,440 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-15 04:48:26,441 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-15 04:48:26,442 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 04:48:26,444 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-15 04:48:28,050 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2020-10-15 04:48:28,817 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 26 [2020-10-15 04:48:29,075 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 25 [2020-10-15 04:48:29,214 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2020-10-15 04:48:29,349 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 26 [2020-10-15 04:48:30,155 INFO L268 CegarLoopResult]: For program point L385(lines 385 389) no Hoare annotation was computed. [2020-10-15 04:48:30,156 INFO L268 CegarLoopResult]: For program point L383(line 383) no Hoare annotation was computed. [2020-10-15 04:48:30,156 INFO L268 CegarLoopResult]: For program point L385-2(lines 369 393) no Hoare annotation was computed. [2020-10-15 04:48:30,156 INFO L268 CegarLoopResult]: For program point L377(lines 377 381) no Hoare annotation was computed. [2020-10-15 04:48:30,156 INFO L264 CegarLoopResult]: At program point L375(line 375) the Hoare annotation is: (or (and (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= |old(~p_dw_st~0)| ~p_dw_st~0)) (= ~c_dr_pc~0 2)) [2020-10-15 04:48:30,157 INFO L271 CegarLoopResult]: At program point L377-2(lines 377 381) the Hoare annotation is: true [2020-10-15 04:48:30,157 INFO L268 CegarLoopResult]: For program point L375-1(line 375) no Hoare annotation was computed. [2020-10-15 04:48:30,157 INFO L264 CegarLoopResult]: At program point activate_threadsENTRY(lines 369 393) the Hoare annotation is: (or (and (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= |old(~p_dw_st~0)| ~p_dw_st~0)) (= ~c_dr_pc~0 2)) [2020-10-15 04:48:30,157 INFO L268 CegarLoopResult]: For program point activate_threadsEXIT(lines 369 393) no Hoare annotation was computed. [2020-10-15 04:48:30,158 INFO L268 CegarLoopResult]: For program point exists_runnable_threadEXIT(lines 277 296) no Hoare annotation was computed. [2020-10-15 04:48:30,158 INFO L268 CegarLoopResult]: For program point L285(lines 285 290) no Hoare annotation was computed. [2020-10-15 04:48:30,158 INFO L268 CegarLoopResult]: For program point L281(lines 281 291) no Hoare annotation was computed. [2020-10-15 04:48:30,158 INFO L271 CegarLoopResult]: At program point exists_runnable_threadENTRY(lines 277 296) the Hoare annotation is: true [2020-10-15 04:48:30,159 INFO L271 CegarLoopResult]: At program point L293(lines 280 295) the Hoare annotation is: true [2020-10-15 04:48:30,159 INFO L268 CegarLoopResult]: For program point exists_runnable_threadFINAL(lines 277 296) no Hoare annotation was computed. [2020-10-15 04:48:30,159 INFO L264 CegarLoopResult]: At program point update_fifo_qENTRY(lines 22 41) the Hoare annotation is: (or (and (= |old(~q_read_ev~0)| ~q_read_ev~0) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|)) (= ~c_dr_pc~0 2)) [2020-10-15 04:48:30,159 INFO L268 CegarLoopResult]: For program point L31-1(lines 31 35) no Hoare annotation was computed. [2020-10-15 04:48:30,159 INFO L268 CegarLoopResult]: For program point update_fifo_qEXIT(lines 22 41) no Hoare annotation was computed. [2020-10-15 04:48:30,159 INFO L268 CegarLoopResult]: For program point L26-1(lines 25 40) no Hoare annotation was computed. [2020-10-15 04:48:30,160 INFO L268 CegarLoopResult]: For program point update_fifo_qFINAL(lines 22 41) no Hoare annotation was computed. [2020-10-15 04:48:30,160 INFO L268 CegarLoopResult]: For program point reset_delta_eventsEXIT(lines 315 332) no Hoare annotation was computed. [2020-10-15 04:48:30,160 INFO L268 CegarLoopResult]: For program point L319-1(lines 318 331) no Hoare annotation was computed. [2020-10-15 04:48:30,160 INFO L264 CegarLoopResult]: At program point reset_delta_eventsENTRY(lines 315 332) the Hoare annotation is: (or (and (= |old(~q_read_ev~0)| ~q_read_ev~0) (= ~q_write_ev~0 |old(~q_write_ev~0)|)) (= ~c_dr_pc~0 2)) [2020-10-15 04:48:30,160 INFO L268 CegarLoopResult]: For program point L324-1(lines 315 332) no Hoare annotation was computed. [2020-10-15 04:48:30,160 INFO L268 CegarLoopResult]: For program point L268-1(lines 259 276) no Hoare annotation was computed. [2020-10-15 04:48:30,160 INFO L268 CegarLoopResult]: For program point init_threadsEXIT(lines 259 276) no Hoare annotation was computed. [2020-10-15 04:48:30,161 INFO L264 CegarLoopResult]: At program point init_threadsENTRY(lines 259 276) the Hoare annotation is: (or (and (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= |old(~p_dw_st~0)| ~p_dw_st~0)) (not (<= ~c_dr_pc~0 0))) [2020-10-15 04:48:30,161 INFO L268 CegarLoopResult]: For program point L263-1(lines 262 275) no Hoare annotation was computed. [2020-10-15 04:48:30,161 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 544 555) the Hoare annotation is: (or (not (<= |old(~c_dr_pc~0)| 0)) (and (= ~c_last_read~0 |old(~c_last_read~0)|) (= ~a_t~0 |old(~a_t~0)|) (= |old(~p_dw_pc~0)| ~p_dw_pc~0) (= ~t~0 |old(~t~0)|) (= |old(~q_read_ev~0)| ~q_read_ev~0) (= |old(~c_dr_i~0)| ~c_dr_i~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|) (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|) (= |old(~fast_clk_edge~0)| ~fast_clk_edge~0) (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= |old(~q_free~0)| ~q_free~0) (= |old(~slow_clk_edge~0)| ~slow_clk_edge~0) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|))) [2020-10-15 04:48:30,161 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 544 555) no Hoare annotation was computed. [2020-10-15 04:48:30,161 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 544 555) no Hoare annotation was computed. [2020-10-15 04:48:30,162 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-15 04:48:30,162 INFO L264 CegarLoopResult]: At program point L549(line 549) the Hoare annotation is: (or (not (<= |old(~c_dr_pc~0)| 0)) (and (= ~c_last_read~0 |old(~c_last_read~0)|) (= ~a_t~0 |old(~a_t~0)|) (= |old(~p_dw_pc~0)| ~p_dw_pc~0) (= ~t~0 |old(~t~0)|) (= |old(~q_read_ev~0)| ~q_read_ev~0) (= |old(~c_dr_i~0)| ~c_dr_i~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|) (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|) (= |old(~fast_clk_edge~0)| ~fast_clk_edge~0) (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= |old(~q_free~0)| ~q_free~0) (= |old(~slow_clk_edge~0)| ~slow_clk_edge~0) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|))) [2020-10-15 04:48:30,162 INFO L264 CegarLoopResult]: At program point L549-1(line 549) the Hoare annotation is: (or (and (= ~c_dr_st~0 |old(~c_dr_st~0)|) (<= ~c_dr_pc~0 0) (= ~p_dw_st~0 |old(~p_dw_st~0)|)) (not (<= |old(~c_dr_pc~0)| 0))) [2020-10-15 04:48:30,162 INFO L264 CegarLoopResult]: At program point L161(lines 138 182) the Hoare annotation is: (or (and (= |old(~p_dw_pc~0)| ~p_dw_pc~0) (= |old(~q_free~0)| ~q_free~0) (= ~q_req_up~0 |old(~q_req_up~0)|) (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|)) (= ~c_dr_pc~0 2)) [2020-10-15 04:48:30,162 INFO L264 CegarLoopResult]: At program point do_write_pENTRY(lines 135 183) the Hoare annotation is: (or (and (= |old(~p_dw_pc~0)| ~p_dw_pc~0) (= |old(~q_free~0)| ~q_free~0) (= ~q_req_up~0 |old(~q_req_up~0)|) (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|)) (= ~c_dr_pc~0 2)) [2020-10-15 04:48:30,163 INFO L268 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-15 04:48:30,163 INFO L271 CegarLoopResult]: At program point L178(lines 135 183) the Hoare annotation is: true [2020-10-15 04:48:30,163 INFO L268 CegarLoopResult]: For program point L145(lines 145 149) no Hoare annotation was computed. [2020-10-15 04:48:30,163 INFO L264 CegarLoopResult]: At program point L143(lines 138 182) the Hoare annotation is: (or (and (= |old(~p_dw_pc~0)| ~p_dw_pc~0) (= |old(~q_free~0)| ~q_free~0) (= ~q_req_up~0 |old(~q_req_up~0)|) (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|)) (= ~c_dr_pc~0 2)) [2020-10-15 04:48:30,163 INFO L268 CegarLoopResult]: For program point do_write_pEXIT(lines 135 183) no Hoare annotation was computed. [2020-10-15 04:48:30,163 INFO L264 CegarLoopResult]: At program point L154-1(lines 138 182) the Hoare annotation is: (or (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_pc~0 2)) [2020-10-15 04:48:30,164 INFO L268 CegarLoopResult]: For program point L142(lines 142 150) no Hoare annotation was computed. [2020-10-15 04:48:30,164 INFO L268 CegarLoopResult]: For program point errorEXIT(lines 5 12) no Hoare annotation was computed. [2020-10-15 04:48:30,164 INFO L268 CegarLoopResult]: For program point errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 9) no Hoare annotation was computed. [2020-10-15 04:48:30,164 INFO L271 CegarLoopResult]: At program point errorENTRY(lines 5 12) the Hoare annotation is: true [2020-10-15 04:48:30,164 INFO L268 CegarLoopResult]: For program point errorFINAL(lines 5 12) no Hoare annotation was computed. [2020-10-15 04:48:30,164 INFO L268 CegarLoopResult]: For program point L126(lines 126 130) no Hoare annotation was computed. [2020-10-15 04:48:30,164 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-15 04:48:30,165 INFO L268 CegarLoopResult]: For program point L126-2(lines 110 134) no Hoare annotation was computed. [2020-10-15 04:48:30,165 INFO L268 CegarLoopResult]: For program point immediate_notify_threadsENTRY(lines 110 134) no Hoare annotation was computed. [2020-10-15 04:48:30,165 INFO L268 CegarLoopResult]: For program point L118(lines 118 122) no Hoare annotation was computed. [2020-10-15 04:48:30,165 INFO L268 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-10-15 04:48:30,165 INFO L268 CegarLoopResult]: For program point L118-2(lines 118 122) no Hoare annotation was computed. [2020-10-15 04:48:30,165 INFO L268 CegarLoopResult]: For program point L116-1(line 116) no Hoare annotation was computed. [2020-10-15 04:48:30,165 INFO L268 CegarLoopResult]: For program point immediate_notify_threadsEXIT(lines 110 134) no Hoare annotation was computed. [2020-10-15 04:48:30,166 INFO L268 CegarLoopResult]: For program point fire_time_eventsEXIT(lines 335 350) no Hoare annotation was computed. [2020-10-15 04:48:30,166 INFO L264 CegarLoopResult]: At program point fire_time_eventsENTRY(lines 335 350) the Hoare annotation is: (or (= ~c_dr_pc~0 2) (and (= ~t~0 |old(~t~0)|) (= |old(~slow_clk_edge~0)| ~slow_clk_edge~0) (= |old(~fast_clk_edge~0)| ~fast_clk_edge~0))) [2020-10-15 04:48:30,166 INFO L268 CegarLoopResult]: For program point L339-1(lines 335 350) no Hoare annotation was computed. [2020-10-15 04:48:30,166 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-15 04:48:30,166 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~c_last_read~0 |old(~c_last_read~0)|) (= ~a_t~0 |old(~a_t~0)|) (= ~t~0 |old(~t~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= ~q_free~0 |old(~q_free~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|) (= ~slow_clk_edge~0 |old(~slow_clk_edge~0)|) (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|) (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~p_dw_pc~0 |old(~p_dw_pc~0)|) (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~fast_clk_edge~0 |old(~fast_clk_edge~0)|) (= ~c_dr_i~0 |old(~c_dr_i~0)|)) [2020-10-15 04:48:30,166 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-15 04:48:30,167 INFO L264 CegarLoopResult]: At program point evalENTRY(lines 394 446) the Hoare annotation is: (or (and (= ~c_last_read~0 |old(~c_last_read~0)|) (= ~a_t~0 |old(~a_t~0)|) (= |old(~p_dw_pc~0)| ~p_dw_pc~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= |old(~q_free~0)| ~q_free~0) (= ~q_req_up~0 |old(~q_req_up~0)|) (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|)) (= 2 |old(~c_dr_pc~0)|)) [2020-10-15 04:48:30,167 INFO L264 CegarLoopResult]: At program point L417(line 417) the Hoare annotation is: (or (= 2 |old(~c_dr_pc~0)|) (not (= ~c_dr_pc~0 2))) [2020-10-15 04:48:30,167 INFO L268 CegarLoopResult]: For program point L405(lines 405 409) no Hoare annotation was computed. [2020-10-15 04:48:30,167 INFO L268 CegarLoopResult]: For program point L405-1(lines 400 440) no Hoare annotation was computed. [2020-10-15 04:48:30,167 INFO L268 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-10-15 04:48:30,167 INFO L264 CegarLoopResult]: At program point L401(line 401) the Hoare annotation is: (or (= 2 |old(~c_dr_pc~0)|) (not (= ~c_dr_pc~0 2))) [2020-10-15 04:48:30,167 INFO L264 CegarLoopResult]: At program point L432(line 432) the Hoare annotation is: (or (= 2 |old(~c_dr_pc~0)|) (not (= ~c_dr_pc~0 2))) [2020-10-15 04:48:30,168 INFO L268 CegarLoopResult]: For program point L414(lines 414 421) no Hoare annotation was computed. [2020-10-15 04:48:30,168 INFO L268 CegarLoopResult]: For program point evalEXIT(lines 394 446) no Hoare annotation was computed. [2020-10-15 04:48:30,168 INFO L268 CegarLoopResult]: For program point L410(lines 400 440) no Hoare annotation was computed. [2020-10-15 04:48:30,168 INFO L264 CegarLoopResult]: At program point L441(lines 394 446) the Hoare annotation is: (or (= 2 |old(~c_dr_pc~0)|) (not (= ~c_dr_pc~0 2))) [2020-10-15 04:48:30,168 INFO L268 CegarLoopResult]: For program point L429(lines 429 436) no Hoare annotation was computed. [2020-10-15 04:48:30,168 INFO L264 CegarLoopResult]: At program point L425(lines 400 440) the Hoare annotation is: (or (= 2 |old(~c_dr_pc~0)|) (not (= ~c_dr_pc~0 2))) [2020-10-15 04:48:30,168 INFO L271 CegarLoopResult]: At program point L462(lines 451 464) the Hoare annotation is: true [2020-10-15 04:48:30,169 INFO L268 CegarLoopResult]: For program point L455(lines 455 460) no Hoare annotation was computed. [2020-10-15 04:48:30,169 INFO L268 CegarLoopResult]: For program point stop_simulationEXIT(lines 447 465) no Hoare annotation was computed. [2020-10-15 04:48:30,169 INFO L271 CegarLoopResult]: At program point L453(line 453) the Hoare annotation is: true [2020-10-15 04:48:30,169 INFO L268 CegarLoopResult]: For program point L453-1(line 453) no Hoare annotation was computed. [2020-10-15 04:48:30,169 INFO L271 CegarLoopResult]: At program point stop_simulationENTRY(lines 447 465) the Hoare annotation is: true [2020-10-15 04:48:30,169 INFO L268 CegarLoopResult]: For program point stop_simulationFINAL(lines 447 465) no Hoare annotation was computed. [2020-10-15 04:48:30,169 INFO L268 CegarLoopResult]: For program point L96(lines 96 101) no Hoare annotation was computed. [2020-10-15 04:48:30,170 INFO L268 CegarLoopResult]: For program point L95-1(lines 95 104) no Hoare annotation was computed. [2020-10-15 04:48:30,170 INFO L271 CegarLoopResult]: At program point is_do_read_c_triggeredENTRY(lines 81 109) the Hoare annotation is: true [2020-10-15 04:48:30,170 INFO L268 CegarLoopResult]: For program point L86(lines 86 91) no Hoare annotation was computed. [2020-10-15 04:48:30,170 INFO L268 CegarLoopResult]: For program point L85(lines 85 94) no Hoare annotation was computed. [2020-10-15 04:48:30,170 INFO L268 CegarLoopResult]: For program point L85-2(lines 84 108) no Hoare annotation was computed. [2020-10-15 04:48:30,170 INFO L268 CegarLoopResult]: For program point is_do_read_c_triggeredFINAL(lines 81 109) no Hoare annotation was computed. [2020-10-15 04:48:30,170 INFO L271 CegarLoopResult]: At program point L106(lines 84 108) the Hoare annotation is: true [2020-10-15 04:48:30,171 INFO L268 CegarLoopResult]: For program point is_do_read_c_triggeredEXIT(lines 81 109) no Hoare annotation was computed. [2020-10-15 04:48:30,171 INFO L264 CegarLoopResult]: At program point update_channelsENTRY(lines 244 258) the Hoare annotation is: (or (and (= |old(~q_read_ev~0)| ~q_read_ev~0) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|)) (= ~c_dr_pc~0 2)) [2020-10-15 04:48:30,171 INFO L268 CegarLoopResult]: For program point update_channelsEXIT(lines 244 258) no Hoare annotation was computed. [2020-10-15 04:48:30,171 INFO L264 CegarLoopResult]: At program point L250(line 250) the Hoare annotation is: (or (and (= |old(~q_read_ev~0)| ~q_read_ev~0) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|)) (= ~c_dr_pc~0 2)) [2020-10-15 04:48:30,171 INFO L268 CegarLoopResult]: For program point L248(lines 244 258) no Hoare annotation was computed. [2020-10-15 04:48:30,171 INFO L264 CegarLoopResult]: At program point fire_delta_eventsENTRY(lines 297 314) the Hoare annotation is: (or (and (= |old(~q_read_ev~0)| ~q_read_ev~0) (= ~q_write_ev~0 |old(~q_write_ev~0)|)) (= ~c_dr_pc~0 2)) [2020-10-15 04:48:30,171 INFO L268 CegarLoopResult]: For program point L306-1(lines 297 314) no Hoare annotation was computed. [2020-10-15 04:48:30,172 INFO L268 CegarLoopResult]: For program point L301-1(lines 300 313) no Hoare annotation was computed. [2020-10-15 04:48:30,172 INFO L268 CegarLoopResult]: For program point fire_delta_eventsEXIT(lines 297 314) no Hoare annotation was computed. [2020-10-15 04:48:30,172 INFO L264 CegarLoopResult]: At program point L481-1(lines 478 518) the Hoare annotation is: (or (not (<= |old(~c_dr_pc~0)| 0)) (not (= ~c_dr_pc~0 2))) [2020-10-15 04:48:30,172 INFO L264 CegarLoopResult]: At program point L477(line 477) the Hoare annotation is: (or (not (<= |old(~c_dr_pc~0)| 0)) (<= ~c_dr_pc~0 0)) [2020-10-15 04:48:30,172 INFO L264 CegarLoopResult]: At program point L475(line 475) the Hoare annotation is: (or (not (<= |old(~c_dr_pc~0)| 0)) (<= ~c_dr_pc~0 0)) [2020-10-15 04:48:30,172 INFO L268 CegarLoopResult]: For program point start_simulationEXIT(lines 466 524) no Hoare annotation was computed. [2020-10-15 04:48:30,172 INFO L264 CegarLoopResult]: At program point L504(line 504) the Hoare annotation is: (or (not (<= |old(~c_dr_pc~0)| 0)) (not (= ~c_dr_pc~0 2))) [2020-10-15 04:48:30,173 INFO L268 CegarLoopResult]: For program point L500(lines 500 509) no Hoare annotation was computed. [2020-10-15 04:48:30,173 INFO L264 CegarLoopResult]: At program point L500-1(lines 500 509) the Hoare annotation is: (or (not (<= |old(~c_dr_pc~0)| 0)) (not (= ~c_dr_pc~0 2))) [2020-10-15 04:48:30,173 INFO L268 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-15 04:48:30,173 INFO L264 CegarLoopResult]: At program point L494(line 494) the Hoare annotation is: (or (not (<= |old(~c_dr_pc~0)| 0)) (not (= ~c_dr_pc~0 2))) [2020-10-15 04:48:30,173 INFO L264 CegarLoopResult]: At program point L519(lines 466 524) the Hoare annotation is: (or (not (<= |old(~c_dr_pc~0)| 0)) (not (= ~c_dr_pc~0 2))) [2020-10-15 04:48:30,173 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-10-15 04:48:30,173 INFO L268 CegarLoopResult]: For program point L513(lines 513 517) no Hoare annotation was computed. [2020-10-15 04:48:30,174 INFO L264 CegarLoopResult]: At program point start_simulationENTRY(lines 466 524) the Hoare annotation is: (or (not (<= |old(~c_dr_pc~0)| 0)) (and (= ~c_last_read~0 |old(~c_last_read~0)|) (= ~a_t~0 |old(~a_t~0)|) (= |old(~p_dw_pc~0)| ~p_dw_pc~0) (= ~t~0 |old(~t~0)|) (= |old(~q_read_ev~0)| ~q_read_ev~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|) (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|) (= |old(~fast_clk_edge~0)| ~fast_clk_edge~0) (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= |old(~q_free~0)| ~q_free~0) (= |old(~slow_clk_edge~0)| ~slow_clk_edge~0) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|))) [2020-10-15 04:48:30,174 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-15 04:48:30,174 INFO L264 CegarLoopResult]: At program point L476(line 476) the Hoare annotation is: (or (not (<= |old(~c_dr_pc~0)| 0)) (<= ~c_dr_pc~0 0)) [2020-10-15 04:48:30,174 INFO L264 CegarLoopResult]: At program point L474(line 474) the Hoare annotation is: (or (not (<= |old(~c_dr_pc~0)| 0)) (and (= ~c_last_read~0 |old(~c_last_read~0)|) (= ~a_t~0 |old(~a_t~0)|) (= |old(~p_dw_pc~0)| ~p_dw_pc~0) (= ~t~0 |old(~t~0)|) (= |old(~q_read_ev~0)| ~q_read_ev~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|) (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|) (= |old(~fast_clk_edge~0)| ~fast_clk_edge~0) (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= |old(~q_free~0)| ~q_free~0) (= |old(~slow_clk_edge~0)| ~slow_clk_edge~0) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|))) [2020-10-15 04:48:30,174 INFO L264 CegarLoopResult]: At program point L474-1(line 474) the Hoare annotation is: (or (not (<= |old(~c_dr_pc~0)| 0)) (and (= ~c_dr_st~0 |old(~c_dr_st~0)|) (<= ~c_dr_pc~0 0) (= |old(~p_dw_st~0)| ~p_dw_st~0))) [2020-10-15 04:48:30,175 INFO L264 CegarLoopResult]: At program point L503(line 503) the Hoare annotation is: (or (not (<= |old(~c_dr_pc~0)| 0)) (not (= ~c_dr_pc~0 2))) [2020-10-15 04:48:30,175 INFO L264 CegarLoopResult]: At program point L503-1(line 503) the Hoare annotation is: (or (not (<= |old(~c_dr_pc~0)| 0)) (not (= ~c_dr_pc~0 2))) [2020-10-15 04:48:30,175 INFO L264 CegarLoopResult]: At program point L495(line 495) the Hoare annotation is: (or (not (<= |old(~c_dr_pc~0)| 0)) (not (= ~c_dr_pc~0 2))) [2020-10-15 04:48:30,175 INFO L264 CegarLoopResult]: At program point L493(line 493) the Hoare annotation is: (or (not (<= |old(~c_dr_pc~0)| 0)) (not (= ~c_dr_pc~0 2))) [2020-10-15 04:48:30,175 INFO L264 CegarLoopResult]: At program point L493-1(line 493) the Hoare annotation is: (or (not (<= |old(~c_dr_pc~0)| 0)) (not (= ~c_dr_pc~0 2))) [2020-10-15 04:48:30,175 INFO L264 CegarLoopResult]: At program point L489(line 489) the Hoare annotation is: (or (not (<= |old(~c_dr_pc~0)| 0)) (not (= ~c_dr_pc~0 2))) [2020-10-15 04:48:30,176 INFO L268 CegarLoopResult]: For program point L489-1(line 489) no Hoare annotation was computed. [2020-10-15 04:48:30,176 INFO L264 CegarLoopResult]: At program point L485(line 485) the Hoare annotation is: (or (not (<= |old(~c_dr_pc~0)| 0)) (not (= ~c_dr_pc~0 2))) [2020-10-15 04:48:30,176 INFO L268 CegarLoopResult]: For program point L485-1(line 485) no Hoare annotation was computed. [2020-10-15 04:48:30,176 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-15 04:48:30,176 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (<= ~c_dr_pc~0 0) [2020-10-15 04:48:30,176 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-15 04:48:30,176 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-15 04:48:30,176 INFO L268 CegarLoopResult]: For program point L66-1(lines 66 75) no Hoare annotation was computed. [2020-10-15 04:48:30,177 INFO L268 CegarLoopResult]: For program point L57(lines 57 62) no Hoare annotation was computed. [2020-10-15 04:48:30,177 INFO L268 CegarLoopResult]: For program point L56(lines 56 65) no Hoare annotation was computed. [2020-10-15 04:48:30,177 INFO L268 CegarLoopResult]: For program point L56-2(lines 55 79) no Hoare annotation was computed. [2020-10-15 04:48:30,177 INFO L268 CegarLoopResult]: For program point is_do_write_p_triggeredFINAL(lines 52 80) no Hoare annotation was computed. [2020-10-15 04:48:30,177 INFO L268 CegarLoopResult]: For program point is_do_write_p_triggeredEXIT(lines 52 80) no Hoare annotation was computed. [2020-10-15 04:48:30,177 INFO L271 CegarLoopResult]: At program point L77(lines 55 79) the Hoare annotation is: true [2020-10-15 04:48:30,177 INFO L271 CegarLoopResult]: At program point is_do_write_p_triggeredENTRY(lines 52 80) the Hoare annotation is: true [2020-10-15 04:48:30,178 INFO L268 CegarLoopResult]: For program point L67(lines 67 72) no Hoare annotation was computed. [2020-10-15 04:48:30,178 INFO L268 CegarLoopResult]: For program point reset_time_eventsEXIT(lines 351 368) no Hoare annotation was computed. [2020-10-15 04:48:30,178 INFO L268 CegarLoopResult]: For program point L360-1(lines 351 368) no Hoare annotation was computed. [2020-10-15 04:48:30,178 INFO L264 CegarLoopResult]: At program point reset_time_eventsENTRY(lines 351 368) the Hoare annotation is: (or (and (= |old(~slow_clk_edge~0)| ~slow_clk_edge~0) (= |old(~fast_clk_edge~0)| ~fast_clk_edge~0)) (= ~c_dr_pc~0 2)) [2020-10-15 04:48:30,178 INFO L268 CegarLoopResult]: For program point L355-1(lines 354 367) no Hoare annotation was computed. [2020-10-15 04:48:30,178 INFO L268 CegarLoopResult]: For program point L225(lines 225 231) no Hoare annotation was computed. [2020-10-15 04:48:30,178 INFO L268 CegarLoopResult]: For program point L192(lines 192 196) no Hoare annotation was computed. [2020-10-15 04:48:30,179 INFO L268 CegarLoopResult]: For program point do_read_cEXIT(lines 185 243) no Hoare annotation was computed. [2020-10-15 04:48:30,179 INFO L264 CegarLoopResult]: At program point L238(lines 185 243) the Hoare annotation is: (or (and (= ~q_req_up~0 |old(~q_req_up~0)|) (not (= ~c_dr_pc~0 2))) (= 2 |old(~c_dr_pc~0)|)) [2020-10-15 04:48:30,179 INFO L264 CegarLoopResult]: At program point L234(line 234) the Hoare annotation is: (= 2 |old(~c_dr_pc~0)|) [2020-10-15 04:48:30,179 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-15 04:48:30,179 INFO L264 CegarLoopResult]: At program point L234-1(lines 188 242) the Hoare annotation is: (or (and (= ~c_last_read~0 |old(~c_last_read~0)|) (= ~a_t~0 |old(~a_t~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= |old(~q_free~0)| ~q_free~0) (= ~q_req_up~0 |old(~q_req_up~0)|) (= ~c_num_read~0 |old(~c_num_read~0)|)) (= 2 |old(~c_dr_pc~0)|)) [2020-10-15 04:48:30,179 INFO L264 CegarLoopResult]: At program point L193(lines 188 242) the Hoare annotation is: (= 2 |old(~c_dr_pc~0)|) [2020-10-15 04:48:30,179 INFO L268 CegarLoopResult]: For program point L224(lines 224 236) no Hoare annotation was computed. [2020-10-15 04:48:30,180 INFO L268 CegarLoopResult]: For program point L189(lines 189 197) no Hoare annotation was computed. [2020-10-15 04:48:30,180 INFO L264 CegarLoopResult]: At program point do_read_cENTRY(lines 185 243) the Hoare annotation is: (or (and (= ~c_last_read~0 |old(~c_last_read~0)|) (= ~a_t~0 |old(~a_t~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= |old(~q_free~0)| ~q_free~0) (= ~q_req_up~0 |old(~q_req_up~0)|) (= ~c_num_read~0 |old(~c_num_read~0)|)) (= 2 |old(~c_dr_pc~0)|)) [2020-10-15 04:48:30,180 INFO L268 CegarLoopResult]: For program point L208-1(lines 208 218) no Hoare annotation was computed. [2020-10-15 04:48:30,180 INFO L264 CegarLoopResult]: At program point L229(line 229) the Hoare annotation is: (= 2 |old(~c_dr_pc~0)|) [2020-10-15 04:48:30,180 INFO L268 CegarLoopResult]: For program point init_modelFINAL(lines 525 543) no Hoare annotation was computed. [2020-10-15 04:48:30,180 INFO L268 CegarLoopResult]: For program point init_modelEXIT(lines 525 543) no Hoare annotation was computed. [2020-10-15 04:48:30,180 INFO L264 CegarLoopResult]: At program point init_modelENTRY(lines 525 543) the Hoare annotation is: (or (not (<= |old(~c_dr_pc~0)| 0)) (and (= |old(~p_dw_pc~0)| ~p_dw_pc~0) (= |old(~q_read_ev~0)| ~q_read_ev~0) (= |old(~c_dr_i~0)| ~c_dr_i~0) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= |old(~q_free~0)| ~q_free~0) (= |old(~slow_clk_edge~0)| ~slow_clk_edge~0) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|) (= |old(~fast_clk_edge~0)| ~fast_clk_edge~0) (= ~p_num_write~0 |old(~p_num_write~0)|))) [2020-10-15 04:48:30,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 04:48:30 BoogieIcfgContainer [2020-10-15 04:48:30,202 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 04:48:30,204 INFO L168 Benchmark]: Toolchain (without parser) took 14772.51 ms. Allocated memory was 146.8 MB in the beginning and 411.6 MB in the end (delta: 264.8 MB). Free memory was 102.8 MB in the beginning and 166.7 MB in the end (delta: -63.9 MB). Peak memory consumption was 240.3 MB. Max. memory is 7.1 GB. [2020-10-15 04:48:30,205 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 146.8 MB. Free memory was 121.4 MB in the beginning and 120.9 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-10-15 04:48:30,207 INFO L168 Benchmark]: CACSL2BoogieTranslator took 465.61 ms. Allocated memory was 146.8 MB in the beginning and 202.9 MB in the end (delta: 56.1 MB). Free memory was 102.3 MB in the beginning and 178.5 MB in the end (delta: -76.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2020-10-15 04:48:30,207 INFO L168 Benchmark]: Boogie Preprocessor took 48.37 ms. Allocated memory is still 202.9 MB. Free memory was 178.5 MB in the beginning and 176.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-10-15 04:48:30,208 INFO L168 Benchmark]: RCFGBuilder took 606.89 ms. Allocated memory is still 202.9 MB. Free memory was 176.6 MB in the beginning and 140.3 MB in the end (delta: 36.3 MB). Peak memory consumption was 36.3 MB. Max. memory is 7.1 GB. [2020-10-15 04:48:30,209 INFO L168 Benchmark]: TraceAbstraction took 13644.91 ms. Allocated memory was 202.9 MB in the beginning and 411.6 MB in the end (delta: 208.7 MB). Free memory was 140.3 MB in the beginning and 166.7 MB in the end (delta: -26.4 MB). Peak memory consumption was 221.7 MB. Max. memory is 7.1 GB. [2020-10-15 04:48:30,214 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 146.8 MB. Free memory was 121.4 MB in the beginning and 120.9 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 465.61 ms. Allocated memory was 146.8 MB in the beginning and 202.9 MB in the end (delta: 56.1 MB). Free memory was 102.3 MB in the beginning and 178.5 MB in the end (delta: -76.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.37 ms. Allocated memory is still 202.9 MB. Free memory was 178.5 MB in the beginning and 176.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 606.89 ms. Allocated memory is still 202.9 MB. Free memory was 176.6 MB in the beginning and 140.3 MB in the end (delta: 36.3 MB). Peak memory consumption was 36.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13644.91 ms. Allocated memory was 202.9 MB in the beginning and 411.6 MB in the end (delta: 208.7 MB). Free memory was 140.3 MB in the beginning and 166.7 MB in the end (delta: -26.4 MB). Peak memory consumption was 221.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 9]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: !(\old(c_dr_pc) <= 0) || !(c_dr_pc == 2) - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 2 == \old(c_dr_pc) - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: 2 == \old(c_dr_pc) || !(c_dr_pc == 2) - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: ((((((c_last_read == \old(c_last_read) && a_t == \old(a_t)) && c_dr_st == \old(c_dr_st)) && c_dr_pc == \old(c_dr_pc)) && \old(q_free) == q_free) && q_req_up == \old(q_req_up)) && c_num_read == \old(c_num_read)) || 2 == \old(c_dr_pc) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: \old(p_dw_st) == p_dw_st || c_dr_pc == 2 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: ((((((\old(p_dw_pc) == p_dw_pc && \old(q_free) == q_free) && q_req_up == \old(q_req_up)) && \old(p_dw_st) == p_dw_st) && q_buf_0 == \old(q_buf_0)) && p_last_write == \old(p_last_write)) && p_num_write == \old(p_num_write)) || c_dr_pc == 2 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: !(\old(c_dr_pc) <= 0) || !(c_dr_pc == 2) - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: ((((((\old(p_dw_pc) == p_dw_pc && \old(q_free) == q_free) && q_req_up == \old(q_req_up)) && \old(p_dw_st) == p_dw_st) && q_buf_0 == \old(q_buf_0)) && p_last_write == \old(p_last_write)) && p_num_write == \old(p_num_write)) || c_dr_pc == 2 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 2 == \old(c_dr_pc) || !(c_dr_pc == 2) - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: (q_req_up == \old(q_req_up) && !(c_dr_pc == 2)) || 2 == \old(c_dr_pc) - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 158 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.8s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 198 SDtfs, 600 SDslu, 147 SDs, 0 SdLazy, 1422 SolverSat, 404 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=156occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 363 PreInvPairs, 688 NumberOfFragments, 901 HoareAnnotationTreeSize, 363 FomulaSimplifications, 6742 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 63 FomulaSimplificationsInter, 3626 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 77 ConstructedInterpolants, 0 QuantifiedInterpolants, 21252 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...