/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 SingleStatement --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 log-additional-information=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-c90d42b [2020-09-24 17:23:16,354 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 17:23:16,359 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 17:23:16,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 17:23:16,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 17:23:16,418 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 17:23:16,421 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 17:23:16,424 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 17:23:16,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 17:23:16,430 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 17:23:16,431 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 17:23:16,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 17:23:16,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 17:23:16,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 17:23:16,440 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 17:23:16,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 17:23:16,444 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 17:23:16,445 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 17:23:16,447 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 17:23:16,457 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 17:23:16,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 17:23:16,461 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 17:23:16,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 17:23:16,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 17:23:16,466 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 17:23:16,466 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 17:23:16,466 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 17:23:16,470 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 17:23:16,471 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 17:23:16,472 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 17:23:16,472 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 17:23:16,473 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 17:23:16,474 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 17:23:16,475 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 17:23:16,476 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 17:23:16,476 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 17:23:16,477 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 17:23:16,477 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 17:23:16,477 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 17:23:16,478 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 17:23:16,486 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 17:23:16,487 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 [2020-09-24 17:23:16,513 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 17:23:16,514 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 17:23:16,515 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 17:23:16,515 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 17:23:16,515 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 17:23:16,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 17:23:16,516 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 17:23:16,516 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 17:23:16,516 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 17:23:16,516 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 17:23:16,517 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 17:23:16,517 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 17:23:16,517 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 17:23:16,517 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 17:23:16,517 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 17:23:16,518 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 17:23:16,518 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 17:23:16,518 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 17:23:16,518 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 17:23:16,518 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 17:23:16,519 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 17:23:16,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 17:23:16,519 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 17:23:16,519 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 17:23:16,520 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 17:23:16,520 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 17:23:16,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 17:23:16,520 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 17:23:16,520 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 17:23:16,520 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 -> SingleStatement 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;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;log-additional-information=true; [2020-09-24 17:23:17,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 17:23:17,051 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 17:23:17,057 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 17:23:17,059 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 17:23:17,061 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 17:23:17,062 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_3.cil.c [2020-09-24 17:23:17,152 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/09ec434d6/f0ed5db06dc1439bbdc822aaa3ef35db/FLAG3eb278d24 [2020-09-24 17:23:17,748 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 17:23:17,751 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/pc_sfifo_3.cil.c [2020-09-24 17:23:17,763 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/09ec434d6/f0ed5db06dc1439bbdc822aaa3ef35db/FLAG3eb278d24 [2020-09-24 17:23:18,034 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/09ec434d6/f0ed5db06dc1439bbdc822aaa3ef35db [2020-09-24 17:23:18,049 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 17:23:18,054 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 17:23:18,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 17:23:18,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 17:23:18,060 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 17:23:18,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 05:23:18" (1/1) ... [2020-09-24 17:23:18,064 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3666d953 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:23:18, skipping insertion in model container [2020-09-24 17:23:18,065 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 05:23:18" (1/1) ... [2020-09-24 17:23:18,072 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 17:23:18,110 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 17:23:18,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 17:23:18,412 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 17:23:18,536 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 17:23:18,558 INFO L208 MainTranslator]: Completed translation [2020-09-24 17:23:18,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:23:18 WrapperNode [2020-09-24 17:23:18,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 17:23:18,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 17:23:18,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 17:23:18,560 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 17:23:18,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:23:18" (1/1) ... [2020-09-24 17:23:18,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:23:18" (1/1) ... [2020-09-24 17:23:18,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:23:18" (1/1) ... [2020-09-24 17:23:18,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:23:18" (1/1) ... [2020-09-24 17:23:18,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:23:18" (1/1) ... [2020-09-24 17:23:18,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:23:18" (1/1) ... [2020-09-24 17:23:18,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:23:18" (1/1) ... [2020-09-24 17:23:18,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 17:23:18,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 17:23:18,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 17:23:18,616 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 17:23:18,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:23:18" (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 [2020-09-24 17:23:18,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 17:23:18,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 17:23:18,702 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-09-24 17:23:18,702 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2020-09-24 17:23:18,702 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2020-09-24 17:23:18,703 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2020-09-24 17:23:18,703 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2020-09-24 17:23:18,703 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2020-09-24 17:23:18,704 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2020-09-24 17:23:18,704 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-09-24 17:23:18,705 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-09-24 17:23:18,705 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-09-24 17:23:18,705 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-09-24 17:23:18,705 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-09-24 17:23:18,705 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-09-24 17:23:18,706 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-09-24 17:23:18,706 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-09-24 17:23:18,706 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-09-24 17:23:18,706 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-09-24 17:23:18,707 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-09-24 17:23:18,707 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-09-24 17:23:18,707 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 17:23:18,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 17:23:18,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 17:23:18,708 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-09-24 17:23:18,709 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2020-09-24 17:23:18,709 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2020-09-24 17:23:18,709 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2020-09-24 17:23:18,709 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2020-09-24 17:23:18,709 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2020-09-24 17:23:18,710 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2020-09-24 17:23:18,710 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-09-24 17:23:18,710 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-09-24 17:23:18,710 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-09-24 17:23:18,710 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-09-24 17:23:18,710 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-09-24 17:23:18,711 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-09-24 17:23:18,711 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-09-24 17:23:18,711 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-09-24 17:23:18,711 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-09-24 17:23:18,711 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-09-24 17:23:18,711 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-09-24 17:23:18,711 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-09-24 17:23:18,712 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 17:23:18,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 17:23:18,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 17:23:19,417 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint L209: ~c_dr_st~0 := 2; [2020-09-24 17:23:19,417 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint L210: ~c_dr_pc~0 := 2; [2020-09-24 17:23:19,417 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint L211: ~a_t~0 := ~a~0; [2020-09-24 17:23:19,418 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume 1 == ~q_free~0; [2020-09-24 17:23:19,418 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !(1 == ~q_free~0); [2020-09-24 17:23:19,449 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 17:23:19,449 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-24 17:23:19,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 05:23:19 BoogieIcfgContainer [2020-09-24 17:23:19,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 17:23:19,459 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 17:23:19,459 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 17:23:19,464 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 17:23:19,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 05:23:18" (1/3) ... [2020-09-24 17:23:19,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e922823 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 05:23:19, skipping insertion in model container [2020-09-24 17:23:19,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:23:18" (2/3) ... [2020-09-24 17:23:19,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e922823 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 05:23:19, skipping insertion in model container [2020-09-24 17:23:19,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 05:23:19" (3/3) ... [2020-09-24 17:23:19,468 INFO L109 eAbstractionObserver]: Analyzing ICFG pc_sfifo_3.cil.c [2020-09-24 17:23:19,479 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 17:23:19,491 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 17:23:19,512 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 17:23:19,549 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 17:23:19,549 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 17:23:19,549 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 17:23:19,550 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 17:23:19,550 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 17:23:19,550 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 17:23:19,550 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 17:23:19,550 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 17:23:19,579 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states. [2020-09-24 17:23:19,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-09-24 17:23:19,595 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:23:19,597 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, 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] [2020-09-24 17:23:19,597 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:23:19,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:23:19,604 INFO L82 PathProgramCache]: Analyzing trace with hash -1849744024, now seen corresponding path program 1 times [2020-09-24 17:23:19,613 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:23:19,613 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1361122369] [2020-09-24 17:23:19,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:23:19,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:23:20,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:20,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:21,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:21,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:21,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:22,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:30,417 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:23:30,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 165 [2020-09-24 17:23:30,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-24 17:23:30,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10498 [2020-09-24 17:23:30,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:23:30,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 17:23:30,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 17:23:30,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-09-24 17:23:30,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 17:23:30,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:23:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:23:30,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:30,709 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:23:30,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-24 17:23:30,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:23:30,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 17:23:30,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:23:30,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 17:23:30,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:23:30,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 17:23:30,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:23:30,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 17:23:30,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:23:30,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:30,849 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:23:30,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 17:23:30,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:23:30,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 17:23:30,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:23:30,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:23:30,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:23:30,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 17:23:30,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 17:23:30,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-24 17:23:30,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:23:30,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:30,893 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:23:30,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 17:23:30,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:23:30,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 17:23:30,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:23:30,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:23:30,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:23:30,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 17:23:30,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:23:30,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-24 17:23:30,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:23:30,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:30,943 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:23:30,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:23:30,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:23:30,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 17:23:30,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:23:30,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:23:30,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:23:30,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 17:23:30,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:23:30,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-24 17:23:30,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:23:30,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:30,994 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:23:30,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 17:23:30,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:23:30,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 17:23:30,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:23:30,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:23:30,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:23:30,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 17:23:30,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:23:31,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-24 17:23:31,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:23:31,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:31,029 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:23:31,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-24 17:23:31,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:23:31,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 17:23:31,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:23:31,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:23:31,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:23:31,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-09-24 17:23:31,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:23:31,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 17:23:31,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:23:31,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:31,045 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:23:31,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 17:23:31,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:23:31,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 17:23:31,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:23:31,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:23:31,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:23:31,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:23:31,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:23:31,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 17:23:31,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:23:31,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:31,051 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:23:31,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 17:23:31,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:23:31,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 17:23:31,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:23:31,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:23:31,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:23:31,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:23:31,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:23:31,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 17:23:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:23:31,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:31,062 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:23:31,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 17:23:31,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:23:31,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 17:23:31,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:23:31,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:23:31,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:23:31,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 17:23:31,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:23:31,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-24 17:23:31,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:23:31,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:31,077 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:23:31,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:23:31,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:23:31,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 17:23:31,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:23:31,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:23:31,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:23:31,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 17:23:31,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:23:31,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:23:31,119 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1361122369] [2020-09-24 17:23:31,122 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:23:31,122 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 17:23:31,123 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599619855] [2020-09-24 17:23:31,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 17:23:31,130 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:23:31,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 17:23:31,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-09-24 17:23:31,152 INFO L87 Difference]: Start difference. First operand 264 states. Second operand 11 states. [2020-09-24 17:23:38,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:23:38,701 INFO L93 Difference]: Finished difference Result 1202 states and 1693 transitions. [2020-09-24 17:23:38,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-09-24 17:23:38,704 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 132 [2020-09-24 17:23:38,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:23:38,735 INFO L225 Difference]: With dead ends: 1202 [2020-09-24 17:23:38,736 INFO L226 Difference]: Without dead ends: 972 [2020-09-24 17:23:38,746 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 30 SyntacticMatches, 3 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 873 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=679, Invalid=2183, Unknown=0, NotChecked=0, Total=2862 [2020-09-24 17:23:38,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 972 states. [2020-09-24 17:23:38,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 972 to 446. [2020-09-24 17:23:38,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 446 states. [2020-09-24 17:23:38,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 541 transitions. [2020-09-24 17:23:38,950 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 541 transitions. Word has length 132 [2020-09-24 17:23:38,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:23:38,955 INFO L479 AbstractCegarLoop]: Abstraction has 446 states and 541 transitions. [2020-09-24 17:23:38,956 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 17:23:38,956 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 541 transitions. [2020-09-24 17:23:38,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-09-24 17:23:38,965 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:23:38,965 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, 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] [2020-09-24 17:23:38,965 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 17:23:38,965 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:23:38,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:23:38,969 INFO L82 PathProgramCache]: Analyzing trace with hash -1507822815, now seen corresponding path program 1 times [2020-09-24 17:23:38,969 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:23:38,970 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2122451507] [2020-09-24 17:23:38,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:23:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:23:39,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:39,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:39,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:39,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:40,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:42,407 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:23:42,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-09-24 17:23:42,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 17:23:42,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3396 [2020-09-24 17:23:42,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:23:42,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 17:23:42,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-09-24 17:23:42,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-24 17:23:42,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-24 17:23:42,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:23:42,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:23:42,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:42,576 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:23:42,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-24 17:23:42,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:23:42,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 17:23:42,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:23:42,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:23:42,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:23:42,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:23:42,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:23:42,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 17:23:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:23:42,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:42,620 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:23:42,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 17:23:42,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:23:42,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 17:23:42,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:23:42,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:23:42,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:23:42,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:23:42,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:23:42,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-24 17:23:42,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:23:42,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:42,642 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:23:42,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 17:23:42,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:23:42,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:23:42,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:23:42,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:23:42,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:23:42,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:23:42,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:23:42,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-24 17:23:42,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:23:42,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:42,663 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:23:42,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:23:42,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:23:42,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 17:23:42,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:23:42,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:23:42,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:23:42,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:23:42,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:23:42,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-24 17:23:42,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:23:42,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:42,686 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:23:42,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 17:23:42,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:23:42,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 17:23:42,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:23:42,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:23:42,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:23:42,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:23:42,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:23:42,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-24 17:23:42,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:23:42,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:42,699 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:23:42,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-24 17:23:42,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:23:42,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 17:23:42,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:23:42,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:23:42,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:23:42,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-24 17:23:42,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:23:42,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 17:23:42,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:23:42,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:42,710 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:23:42,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 17:23:42,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:23:42,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 17:23:42,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:23:42,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:23:42,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:23:42,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:23:42,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:23:42,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 17:23:42,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:23:42,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:42,718 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:23:42,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 17:23:42,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:23:42,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:23:42,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:23:42,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:23:42,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:23:42,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 17:23:42,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:23:42,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 17:23:42,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:23:42,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:42,730 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:23:42,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 17:23:42,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:23:42,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 17:23:42,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:23:42,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:23:42,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:23:42,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 17:23:42,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:23:42,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-24 17:23:42,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:23:42,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:42,743 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:23:42,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:23:42,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:23:42,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 17:23:42,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:23:42,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:23:42,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:23:42,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 17:23:42,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:23:42,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:23:42,766 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2122451507] [2020-09-24 17:23:42,767 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:23:42,767 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 17:23:42,768 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88685023] [2020-09-24 17:23:42,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 17:23:42,772 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:23:42,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 17:23:42,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-24 17:23:42,773 INFO L87 Difference]: Start difference. First operand 446 states and 541 transitions. Second operand 8 states. [2020-09-24 17:23:44,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:23:44,971 INFO L93 Difference]: Finished difference Result 1030 states and 1390 transitions. [2020-09-24 17:23:44,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 17:23:44,971 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 133 [2020-09-24 17:23:44,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:23:44,973 INFO L225 Difference]: With dead ends: 1030 [2020-09-24 17:23:44,973 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 17:23:44,980 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2020-09-24 17:23:44,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 17:23:44,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 17:23:44,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 17:23:44,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 17:23:44,981 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 133 [2020-09-24 17:23:44,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:23:44,982 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 17:23:44,982 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 17:23:44,982 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 17:23:44,982 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 17:23:44,982 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 17:23:44,985 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 17:23:45,101 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 10 [2020-09-24 17:23:54,172 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 69 [2020-09-24 17:23:54,809 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2020-09-24 17:23:55,087 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 18 [2020-09-24 17:23:55,241 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 24 [2020-09-24 17:23:55,591 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 31 [2020-09-24 17:23:55,703 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 24 [2020-09-24 17:23:55,865 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 69 [2020-09-24 17:23:55,997 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 32 [2020-09-24 17:23:56,227 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2020-09-24 17:23:56,423 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 31 [2020-09-24 17:23:56,532 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 18 [2020-09-24 17:23:57,031 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 45 [2020-09-24 17:23:57,139 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 18 [2020-09-24 17:23:57,424 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 51 [2020-09-24 17:23:57,573 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 32 [2020-09-24 17:23:57,706 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 21 [2020-09-24 17:23:57,823 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 24 [2020-09-24 17:23:58,048 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 30 [2020-09-24 17:23:58,053 INFO L268 CegarLoopResult]: For program point L385(lines 385 389) no Hoare annotation was computed. [2020-09-24 17:23:58,053 INFO L268 CegarLoopResult]: For program point L383(line 383) no Hoare annotation was computed. [2020-09-24 17:23:58,053 INFO L268 CegarLoopResult]: For program point L385-2(lines 369 393) no Hoare annotation was computed. [2020-09-24 17:23:58,054 INFO L268 CegarLoopResult]: For program point L383-1(line 383) no Hoare annotation was computed. [2020-09-24 17:23:58,054 INFO L268 CegarLoopResult]: For program point L383-2(line 383) no Hoare annotation was computed. [2020-09-24 17:23:58,054 INFO L268 CegarLoopResult]: For program point L378(line 378) no Hoare annotation was computed. [2020-09-24 17:23:58,054 INFO L268 CegarLoopResult]: For program point L377(lines 377 381) no Hoare annotation was computed. [2020-09-24 17:23:58,055 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)) (not (<= ~p_last_write~0 ~q_buf_0~0)) (not (<= ~q_buf_0~0 ~p_last_write~0)) (= ~c_dr_pc~0 2)) [2020-09-24 17:23:58,055 INFO L271 CegarLoopResult]: At program point L377-2(lines 377 381) the Hoare annotation is: true [2020-09-24 17:23:58,055 INFO L268 CegarLoopResult]: For program point L375-1(line 375) no Hoare annotation was computed. [2020-09-24 17:23:58,055 INFO L268 CegarLoopResult]: For program point L375-2(line 375) no Hoare annotation was computed. [2020-09-24 17:23:58,055 INFO L268 CegarLoopResult]: For program point L375-3(line 375) no Hoare annotation was computed. [2020-09-24 17:23:58,055 INFO L268 CegarLoopResult]: For program point L371(line 371) no Hoare annotation was computed. [2020-09-24 17:23:58,055 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)) (not (<= ~p_last_write~0 ~q_buf_0~0)) (not (<= ~q_buf_0~0 ~p_last_write~0)) (= ~c_dr_pc~0 2)) [2020-09-24 17:23:58,056 INFO L268 CegarLoopResult]: For program point activate_threadsEXIT(lines 369 393) no Hoare annotation was computed. [2020-09-24 17:23:58,056 INFO L268 CegarLoopResult]: For program point L386(line 386) no Hoare annotation was computed. [2020-09-24 17:23:58,056 INFO L268 CegarLoopResult]: For program point L286(line 286) no Hoare annotation was computed. [2020-09-24 17:23:58,056 INFO L268 CegarLoopResult]: For program point exists_runnable_threadEXIT(lines 277 296) no Hoare annotation was computed. [2020-09-24 17:23:58,056 INFO L268 CegarLoopResult]: For program point L285(lines 285 290) no Hoare annotation was computed. [2020-09-24 17:23:58,056 INFO L268 CegarLoopResult]: For program point L282(line 282) no Hoare annotation was computed. [2020-09-24 17:23:58,056 INFO L268 CegarLoopResult]: For program point L281(lines 281 291) no Hoare annotation was computed. [2020-09-24 17:23:58,056 INFO L271 CegarLoopResult]: At program point exists_runnable_threadENTRY(lines 277 296) the Hoare annotation is: true [2020-09-24 17:23:58,056 INFO L271 CegarLoopResult]: At program point L293(lines 280 295) the Hoare annotation is: true [2020-09-24 17:23:58,056 INFO L268 CegarLoopResult]: For program point L292(line 292) no Hoare annotation was computed. [2020-09-24 17:23:58,057 INFO L268 CegarLoopResult]: For program point exists_runnable_threadFINAL(lines 277 296) no Hoare annotation was computed. [2020-09-24 17:23:58,057 INFO L268 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-09-24 17:23:58,057 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)|)) (not (<= ~p_last_write~0 ~q_buf_0~0)) (not (<= ~q_buf_0~0 ~p_last_write~0)) (= ~c_dr_pc~0 2)) [2020-09-24 17:23:58,057 INFO L268 CegarLoopResult]: For program point L31-1(lines 31 35) no Hoare annotation was computed. [2020-09-24 17:23:58,057 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-09-24 17:23:58,057 INFO L268 CegarLoopResult]: For program point update_fifo_qEXIT(lines 22 41) no Hoare annotation was computed. [2020-09-24 17:23:58,057 INFO L268 CegarLoopResult]: For program point L26-1(lines 25 40) no Hoare annotation was computed. [2020-09-24 17:23:58,057 INFO L268 CegarLoopResult]: For program point update_fifo_qFINAL(lines 22 41) no Hoare annotation was computed. [2020-09-24 17:23:58,058 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-09-24 17:23:58,058 INFO L268 CegarLoopResult]: For program point L320(line 320) no Hoare annotation was computed. [2020-09-24 17:23:58,058 INFO L268 CegarLoopResult]: For program point L319-1(lines 318 331) no Hoare annotation was computed. [2020-09-24 17:23:58,058 INFO L264 CegarLoopResult]: At program point reset_delta_eventsENTRY(lines 315 332) the Hoare annotation is: (or (not (<= ~p_last_write~0 ~q_buf_0~0)) (and (= |old(~q_read_ev~0)| ~q_read_ev~0) (= ~q_write_ev~0 |old(~q_write_ev~0)|)) (not (<= ~q_buf_0~0 ~p_last_write~0)) (= ~c_dr_pc~0 2)) [2020-09-24 17:23:58,058 INFO L268 CegarLoopResult]: For program point reset_delta_eventsEXIT(lines 315 332) no Hoare annotation was computed. [2020-09-24 17:23:58,058 INFO L268 CegarLoopResult]: For program point L325(line 325) no Hoare annotation was computed. [2020-09-24 17:23:58,058 INFO L268 CegarLoopResult]: For program point L324-1(lines 315 332) no Hoare annotation was computed. [2020-09-24 17:23:58,058 INFO L268 CegarLoopResult]: For program point init_threadsEXIT(lines 259 276) no Hoare annotation was computed. [2020-09-24 17:23:58,058 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 (<= ~p_last_write~0 ~q_buf_0~0)) (not (<= ~q_buf_0~0 0)) (not (<= 0 ~q_buf_0~0)) (not (<= ~q_buf_0~0 ~p_last_write~0)) (= ~c_dr_pc~0 2) (not (= ~c_last_read~0 ~p_last_write~0))) [2020-09-24 17:23:58,059 INFO L268 CegarLoopResult]: For program point L271(line 271) no Hoare annotation was computed. [2020-09-24 17:23:58,059 INFO L268 CegarLoopResult]: For program point L269(line 269) no Hoare annotation was computed. [2020-09-24 17:23:58,059 INFO L268 CegarLoopResult]: For program point L268-1(lines 259 276) no Hoare annotation was computed. [2020-09-24 17:23:58,059 INFO L268 CegarLoopResult]: For program point L266(line 266) no Hoare annotation was computed. [2020-09-24 17:23:58,059 INFO L268 CegarLoopResult]: For program point L264(line 264) no Hoare annotation was computed. [2020-09-24 17:23:58,059 INFO L268 CegarLoopResult]: For program point L263-1(lines 262 275) no Hoare annotation was computed. [2020-09-24 17:23:58,059 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 544 555) the Hoare annotation is: (or (not (<= |old(~p_last_write~0)| |old(~q_buf_0~0)|)) (not (<= |old(~q_buf_0~0)| |old(~p_last_write~0)|)) (not (<= 0 |old(~q_buf_0~0)|)) (not (= |old(~c_last_read~0)| |old(~p_last_write~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)|)) (= 2 |old(~c_dr_pc~0)|) (not (<= |old(~q_buf_0~0)| 0))) [2020-09-24 17:23:58,059 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 544 555) no Hoare annotation was computed. [2020-09-24 17:23:58,059 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-09-24 17:23:58,059 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 544 555) no Hoare annotation was computed. [2020-09-24 17:23:58,060 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-09-24 17:23:58,060 INFO L264 CegarLoopResult]: At program point L549(line 549) the Hoare annotation is: (or (not (<= |old(~p_last_write~0)| |old(~q_buf_0~0)|)) (not (<= |old(~q_buf_0~0)| |old(~p_last_write~0)|)) (not (<= 0 |old(~q_buf_0~0)|)) (not (= |old(~c_last_read~0)| |old(~p_last_write~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)|)) (= 2 |old(~c_dr_pc~0)|) (not (<= |old(~q_buf_0~0)| 0))) [2020-09-24 17:23:58,060 INFO L264 CegarLoopResult]: At program point L549-1(line 549) the Hoare annotation is: (or (not (<= |old(~p_last_write~0)| |old(~q_buf_0~0)|)) (not (<= |old(~q_buf_0~0)| |old(~p_last_write~0)|)) (not (<= 0 |old(~q_buf_0~0)|)) (not (= |old(~c_last_read~0)| |old(~p_last_write~0)|)) (= 2 |old(~c_dr_pc~0)|) (not (<= |old(~q_buf_0~0)| 0)) (and (<= 0 ~q_buf_0~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (<= ~q_buf_0~0 ~p_last_write~0) (<= ~p_last_write~0 ~q_buf_0~0) (= ~c_last_read~0 ~p_last_write~0) (= ~p_dw_st~0 |old(~p_dw_st~0)|) (<= ~q_buf_0~0 0) (not (= ~c_dr_pc~0 2)))) [2020-09-24 17:23:58,060 INFO L264 CegarLoopResult]: At program point L161(lines 138 182) the Hoare annotation is: (or (not (<= |old(~p_last_write~0)| |old(~q_buf_0~0)|)) (not (<= |old(~q_buf_0~0)| |old(~p_last_write~0)|)) (and (= |old(~p_dw_pc~0)| ~p_dw_pc~0) (= ~q_req_up~0 |old(~q_req_up~0)|) (= |old(~q_free~0)| ~q_free~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)) [2020-09-24 17:23:58,060 INFO L264 CegarLoopResult]: At program point do_write_pENTRY(lines 135 183) the Hoare annotation is: (or (not (<= |old(~p_last_write~0)| |old(~q_buf_0~0)|)) (not (<= |old(~q_buf_0~0)| |old(~p_last_write~0)|)) (and (= |old(~p_dw_pc~0)| ~p_dw_pc~0) (= ~q_req_up~0 |old(~q_req_up~0)|) (= |old(~q_free~0)| ~q_free~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)) [2020-09-24 17:23:58,060 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-09-24 17:23:58,060 INFO L268 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-09-24 17:23:58,060 INFO L264 CegarLoopResult]: At program point L178(lines 135 183) the Hoare annotation is: (or (not (<= |old(~p_last_write~0)| |old(~q_buf_0~0)|)) (not (<= |old(~q_buf_0~0)| |old(~p_last_write~0)|)) (and (<= ~q_buf_0~0 ~p_last_write~0) (<= ~p_last_write~0 ~q_buf_0~0)) (= ~c_dr_pc~0 2)) [2020-09-24 17:23:58,061 INFO L268 CegarLoopResult]: For program point L145(lines 145 149) no Hoare annotation was computed. [2020-09-24 17:23:58,061 INFO L264 CegarLoopResult]: At program point L143(lines 138 182) the Hoare annotation is: (or (not (<= |old(~p_last_write~0)| |old(~q_buf_0~0)|)) (not (<= |old(~q_buf_0~0)| |old(~p_last_write~0)|)) (and (= |old(~p_dw_pc~0)| ~p_dw_pc~0) (= ~q_req_up~0 |old(~q_req_up~0)|) (= |old(~q_free~0)| ~q_free~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)) [2020-09-24 17:23:58,061 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-09-24 17:23:58,061 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-09-24 17:23:58,061 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-09-24 17:23:58,061 INFO L268 CegarLoopResult]: For program point do_write_pEXIT(lines 135 183) no Hoare annotation was computed. [2020-09-24 17:23:58,061 INFO L264 CegarLoopResult]: At program point L154-1(lines 138 182) the Hoare annotation is: (or (not (<= |old(~p_last_write~0)| |old(~q_buf_0~0)|)) (not (<= |old(~q_buf_0~0)| |old(~p_last_write~0)|)) (and (<= ~q_buf_0~0 ~p_last_write~0) (<= ~p_last_write~0 ~q_buf_0~0) (= |old(~p_dw_st~0)| ~p_dw_st~0)) (= ~c_dr_pc~0 2)) [2020-09-24 17:23:58,062 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-24 17:23:58,062 INFO L268 CegarLoopResult]: For program point L142(lines 142 150) no Hoare annotation was computed. [2020-09-24 17:23:58,062 INFO L268 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-09-24 17:23:58,062 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-09-24 17:23:58,062 INFO L268 CegarLoopResult]: For program point L171-1(line 171) no Hoare annotation was computed. [2020-09-24 17:23:58,062 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-09-24 17:23:58,062 INFO L268 CegarLoopResult]: For program point errorEXIT(lines 5 12) no Hoare annotation was computed. [2020-09-24 17:23:58,062 INFO L268 CegarLoopResult]: For program point errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 9) no Hoare annotation was computed. [2020-09-24 17:23:58,062 INFO L271 CegarLoopResult]: At program point errorENTRY(lines 5 12) the Hoare annotation is: true [2020-09-24 17:23:58,062 INFO L268 CegarLoopResult]: For program point errorFINAL(lines 5 12) no Hoare annotation was computed. [2020-09-24 17:23:58,063 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-09-24 17:23:58,063 INFO L268 CegarLoopResult]: For program point L126(lines 126 130) no Hoare annotation was computed. [2020-09-24 17:23:58,063 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-09-24 17:23:58,063 INFO L268 CegarLoopResult]: For program point L126-2(lines 110 134) no Hoare annotation was computed. [2020-09-24 17:23:58,063 INFO L268 CegarLoopResult]: For program point L124-1(line 124) no Hoare annotation was computed. [2020-09-24 17:23:58,063 INFO L268 CegarLoopResult]: For program point L124-2(line 124) no Hoare annotation was computed. [2020-09-24 17:23:58,063 INFO L268 CegarLoopResult]: For program point immediate_notify_threadsENTRY(lines 110 134) no Hoare annotation was computed. [2020-09-24 17:23:58,063 INFO L268 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-09-24 17:23:58,063 INFO L268 CegarLoopResult]: For program point L118(lines 118 122) no Hoare annotation was computed. [2020-09-24 17:23:58,063 INFO L268 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-09-24 17:23:58,064 INFO L268 CegarLoopResult]: For program point L118-2(lines 118 122) no Hoare annotation was computed. [2020-09-24 17:23:58,064 INFO L268 CegarLoopResult]: For program point L116-1(line 116) no Hoare annotation was computed. [2020-09-24 17:23:58,064 INFO L268 CegarLoopResult]: For program point L116-2(line 116) no Hoare annotation was computed. [2020-09-24 17:23:58,064 INFO L268 CegarLoopResult]: For program point L116-3(line 116) no Hoare annotation was computed. [2020-09-24 17:23:58,064 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-09-24 17:23:58,064 INFO L268 CegarLoopResult]: For program point immediate_notify_threadsEXIT(lines 110 134) no Hoare annotation was computed. [2020-09-24 17:23:58,064 INFO L268 CegarLoopResult]: For program point fire_time_eventsEXIT(lines 335 350) no Hoare annotation was computed. [2020-09-24 17:23:58,064 INFO L268 CegarLoopResult]: For program point L345(line 345) no Hoare annotation was computed. [2020-09-24 17:23:58,064 INFO L268 CegarLoopResult]: For program point L344(line 344) no Hoare annotation was computed. [2020-09-24 17:23:58,064 INFO L268 CegarLoopResult]: For program point L343(line 343) no Hoare annotation was computed. [2020-09-24 17:23:58,065 INFO L264 CegarLoopResult]: At program point fire_time_eventsENTRY(lines 335 350) the Hoare annotation is: (or (not (<= ~p_last_write~0 ~q_buf_0~0)) (not (<= ~q_buf_0~0 ~p_last_write~0)) (= ~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))) [2020-09-24 17:23:58,065 INFO L268 CegarLoopResult]: For program point L341(line 341) no Hoare annotation was computed. [2020-09-24 17:23:58,065 INFO L268 CegarLoopResult]: For program point L340(line 340) no Hoare annotation was computed. [2020-09-24 17:23:58,065 INFO L268 CegarLoopResult]: For program point L339-1(lines 335 350) no Hoare annotation was computed. [2020-09-24 17:23:58,065 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-24 17:23:58,065 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-09-24 17:23:58,065 INFO L268 CegarLoopResult]: For program point L21(line 21) no Hoare annotation was computed. [2020-09-24 17:23:58,065 INFO L268 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed. [2020-09-24 17:23:58,065 INFO L268 CegarLoopResult]: For program point L19(line 19) no Hoare annotation was computed. [2020-09-24 17:23:58,066 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-09-24 17:23:58,066 INFO L268 CegarLoopResult]: For program point L18(line 18) no Hoare annotation was computed. [2020-09-24 17:23:58,066 INFO L268 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-09-24 17:23:58,066 INFO L268 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed. [2020-09-24 17:23:58,066 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-09-24 17:23:58,066 INFO L268 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed. [2020-09-24 17:23:58,066 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-09-24 17:23:58,066 INFO L268 CegarLoopResult]: For program point L15(line 15) no Hoare annotation was computed. [2020-09-24 17:23:58,066 INFO L268 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-09-24 17:23:58,066 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-09-24 17:23:58,066 INFO L268 CegarLoopResult]: For program point L334(line 334) no Hoare annotation was computed. [2020-09-24 17:23:58,066 INFO L268 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-09-24 17:23:58,067 INFO L268 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-09-24 17:23:58,067 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-09-24 17:23:58,067 INFO L268 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-09-24 17:23:58,067 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)|)) [2020-09-24 17:23:58,067 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-24 17:23:58,067 INFO L268 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-09-24 17:23:58,067 INFO L268 CegarLoopResult]: For program point L403-1(line 403) no Hoare annotation was computed. [2020-09-24 17:23:58,067 INFO L268 CegarLoopResult]: For program point L403-2(line 403) no Hoare annotation was computed. [2020-09-24 17:23:58,067 INFO L264 CegarLoopResult]: At program point L432(line 432) the Hoare annotation is: (or (not (<= |old(~p_last_write~0)| |old(~q_buf_0~0)|)) (not (<= |old(~q_buf_0~0)| |old(~p_last_write~0)|)) (= 2 |old(~c_dr_pc~0)|) (and (<= ~q_buf_0~0 ~p_last_write~0) (<= ~p_last_write~0 ~q_buf_0~0) (not (= ~c_dr_pc~0 2)))) [2020-09-24 17:23:58,067 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-09-24 17:23:58,067 INFO L268 CegarLoopResult]: For program point evalEXIT(lines 394 446) no Hoare annotation was computed. [2020-09-24 17:23:58,068 INFO L268 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-09-24 17:23:58,068 INFO L268 CegarLoopResult]: For program point L412-1(line 412) no Hoare annotation was computed. [2020-09-24 17:23:58,068 INFO L268 CegarLoopResult]: For program point L412-2(line 412) no Hoare annotation was computed. [2020-09-24 17:23:58,068 INFO L264 CegarLoopResult]: At program point L441(lines 394 446) the Hoare annotation is: (or (not (<= |old(~p_last_write~0)| |old(~q_buf_0~0)|)) (not (<= |old(~q_buf_0~0)| |old(~p_last_write~0)|)) (= 2 |old(~c_dr_pc~0)|) (and (<= ~q_buf_0~0 ~p_last_write~0) (<= ~p_last_write~0 ~q_buf_0~0) (not (= ~c_dr_pc~0 2)))) [2020-09-24 17:23:58,068 INFO L268 CegarLoopResult]: For program point L429(lines 429 436) no Hoare annotation was computed. [2020-09-24 17:23:58,068 INFO L268 CegarLoopResult]: For program point L396(line 396) no Hoare annotation was computed. [2020-09-24 17:23:58,068 INFO L264 CegarLoopResult]: At program point L425(lines 400 440) the Hoare annotation is: (or (not (<= |old(~p_last_write~0)| |old(~q_buf_0~0)|)) (not (<= |old(~q_buf_0~0)| |old(~p_last_write~0)|)) (= 2 |old(~c_dr_pc~0)|) (and (<= ~q_buf_0~0 ~p_last_write~0) (<= ~p_last_write~0 ~q_buf_0~0) (not (= ~c_dr_pc~0 2)))) [2020-09-24 17:23:58,068 INFO L264 CegarLoopResult]: At program point evalENTRY(lines 394 446) the Hoare annotation is: (or (not (<= |old(~p_last_write~0)| |old(~q_buf_0~0)|)) (not (<= |old(~q_buf_0~0)| |old(~p_last_write~0)|)) (= 2 |old(~c_dr_pc~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) (= ~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(~q_free~0)| ~q_free~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)|))) [2020-09-24 17:23:58,068 INFO L264 CegarLoopResult]: At program point L417(line 417) the Hoare annotation is: (or (not (<= |old(~p_last_write~0)| |old(~q_buf_0~0)|)) (not (<= |old(~q_buf_0~0)| |old(~p_last_write~0)|)) (= 2 |old(~c_dr_pc~0)|) (and (<= ~q_buf_0~0 ~p_last_write~0) (<= ~p_last_write~0 ~q_buf_0~0) (not (= ~c_dr_pc~0 2)))) [2020-09-24 17:23:58,068 INFO L268 CegarLoopResult]: For program point L405(lines 405 409) no Hoare annotation was computed. [2020-09-24 17:23:58,069 INFO L268 CegarLoopResult]: For program point L405-1(lines 400 440) no Hoare annotation was computed. [2020-09-24 17:23:58,069 INFO L264 CegarLoopResult]: At program point L401(line 401) the Hoare annotation is: (or (not (<= |old(~p_last_write~0)| |old(~q_buf_0~0)|)) (not (<= |old(~q_buf_0~0)| |old(~p_last_write~0)|)) (= 2 |old(~c_dr_pc~0)|) (and (<= ~q_buf_0~0 ~p_last_write~0) (<= ~p_last_write~0 ~q_buf_0~0) (not (= ~c_dr_pc~0 2)))) [2020-09-24 17:23:58,069 INFO L268 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-09-24 17:23:58,069 INFO L268 CegarLoopResult]: For program point L414(lines 414 421) no Hoare annotation was computed. [2020-09-24 17:23:58,069 INFO L268 CegarLoopResult]: For program point L410(lines 400 440) no Hoare annotation was computed. [2020-09-24 17:23:58,069 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-09-24 17:23:58,069 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-09-24 17:23:58,069 INFO L268 CegarLoopResult]: For program point L427-1(line 427) no Hoare annotation was computed. [2020-09-24 17:23:58,069 INFO L268 CegarLoopResult]: For program point L427-2(line 427) no Hoare annotation was computed. [2020-09-24 17:23:58,069 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-09-24 17:23:58,069 INFO L268 CegarLoopResult]: For program point stop_simulationFINAL(lines 447 465) no Hoare annotation was computed. [2020-09-24 17:23:58,069 INFO L271 CegarLoopResult]: At program point L462(lines 451 464) the Hoare annotation is: true [2020-09-24 17:23:58,070 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-09-24 17:23:58,070 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-09-24 17:23:58,070 INFO L268 CegarLoopResult]: For program point L455(lines 455 460) no Hoare annotation was computed. [2020-09-24 17:23:58,070 INFO L268 CegarLoopResult]: For program point stop_simulationEXIT(lines 447 465) no Hoare annotation was computed. [2020-09-24 17:23:58,070 INFO L271 CegarLoopResult]: At program point L453(line 453) the Hoare annotation is: true [2020-09-24 17:23:58,070 INFO L268 CegarLoopResult]: For program point L453-1(line 453) no Hoare annotation was computed. [2020-09-24 17:23:58,070 INFO L271 CegarLoopResult]: At program point stop_simulationENTRY(lines 447 465) the Hoare annotation is: true [2020-09-24 17:23:58,070 INFO L268 CegarLoopResult]: For program point L453-2(line 453) no Hoare annotation was computed. [2020-09-24 17:23:58,070 INFO L268 CegarLoopResult]: For program point L453-3(line 453) no Hoare annotation was computed. [2020-09-24 17:23:58,070 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-09-24 17:23:58,070 INFO L268 CegarLoopResult]: For program point L95-1(lines 95 104) no Hoare annotation was computed. [2020-09-24 17:23:58,070 INFO L271 CegarLoopResult]: At program point is_do_read_c_triggeredENTRY(lines 81 109) the Hoare annotation is: true [2020-09-24 17:23:58,070 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-09-24 17:23:58,071 INFO L268 CegarLoopResult]: For program point L85(lines 85 94) no Hoare annotation was computed. [2020-09-24 17:23:58,071 INFO L268 CegarLoopResult]: For program point L85-2(lines 84 108) no Hoare annotation was computed. [2020-09-24 17:23:58,071 INFO L268 CegarLoopResult]: For program point is_do_read_c_triggeredFINAL(lines 81 109) no Hoare annotation was computed. [2020-09-24 17:23:58,071 INFO L271 CegarLoopResult]: At program point L106(lines 84 108) the Hoare annotation is: true [2020-09-24 17:23:58,071 INFO L268 CegarLoopResult]: For program point L96(lines 96 101) no Hoare annotation was computed. [2020-09-24 17:23:58,071 INFO L268 CegarLoopResult]: For program point L86(lines 86 91) no Hoare annotation was computed. [2020-09-24 17:23:58,071 INFO L268 CegarLoopResult]: For program point is_do_read_c_triggeredEXIT(lines 81 109) no Hoare annotation was computed. [2020-09-24 17:23:58,071 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)|)) (not (<= ~p_last_write~0 ~q_buf_0~0)) (not (<= ~q_buf_0~0 ~p_last_write~0)) (= ~c_dr_pc~0 2)) [2020-09-24 17:23:58,071 INFO L268 CegarLoopResult]: For program point update_channelsEXIT(lines 244 258) no Hoare annotation was computed. [2020-09-24 17:23:58,071 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)|)) (not (<= ~p_last_write~0 ~q_buf_0~0)) (not (<= ~q_buf_0~0 ~p_last_write~0)) (= ~c_dr_pc~0 2)) [2020-09-24 17:23:58,072 INFO L268 CegarLoopResult]: For program point L248(lines 244 258) no Hoare annotation was computed. [2020-09-24 17:23:58,072 INFO L264 CegarLoopResult]: At program point fire_delta_eventsENTRY(lines 297 314) the Hoare annotation is: (or (not (<= ~p_last_write~0 ~q_buf_0~0)) (and (= |old(~q_read_ev~0)| ~q_read_ev~0) (= ~q_write_ev~0 |old(~q_write_ev~0)|)) (not (<= ~q_buf_0~0 ~p_last_write~0)) (= ~c_dr_pc~0 2)) [2020-09-24 17:23:58,072 INFO L268 CegarLoopResult]: For program point L307(line 307) no Hoare annotation was computed. [2020-09-24 17:23:58,072 INFO L268 CegarLoopResult]: For program point fire_delta_eventsEXIT(lines 297 314) no Hoare annotation was computed. [2020-09-24 17:23:58,072 INFO L268 CegarLoopResult]: For program point L306-1(lines 297 314) no Hoare annotation was computed. [2020-09-24 17:23:58,072 INFO L268 CegarLoopResult]: For program point L302(line 302) no Hoare annotation was computed. [2020-09-24 17:23:58,072 INFO L268 CegarLoopResult]: For program point L301-1(lines 300 313) no Hoare annotation was computed. [2020-09-24 17:23:58,072 INFO L264 CegarLoopResult]: At program point L481-1(lines 478 518) the Hoare annotation is: (or (not (<= |old(~p_last_write~0)| |old(~q_buf_0~0)|)) (not (<= |old(~q_buf_0~0)| |old(~p_last_write~0)|)) (not (<= 0 |old(~q_buf_0~0)|)) (not (= |old(~c_last_read~0)| |old(~p_last_write~0)|)) (= 2 |old(~c_dr_pc~0)|) (not (<= |old(~q_buf_0~0)| 0)) (and (<= ~q_buf_0~0 ~p_last_write~0) (<= ~p_last_write~0 ~q_buf_0~0) (not (= ~c_dr_pc~0 2)))) [2020-09-24 17:23:58,072 INFO L264 CegarLoopResult]: At program point L477(line 477) the Hoare annotation is: (or (not (<= |old(~p_last_write~0)| |old(~q_buf_0~0)|)) (and (<= 0 ~q_buf_0~0) (<= ~q_buf_0~0 ~p_last_write~0) (<= ~p_last_write~0 ~q_buf_0~0) (= ~c_last_read~0 ~p_last_write~0) (<= ~q_buf_0~0 0) (not (= ~c_dr_pc~0 2))) (not (<= |old(~q_buf_0~0)| |old(~p_last_write~0)|)) (not (<= 0 |old(~q_buf_0~0)|)) (not (= |old(~c_last_read~0)| |old(~p_last_write~0)|)) (= 2 |old(~c_dr_pc~0)|) (not (<= |old(~q_buf_0~0)| 0))) [2020-09-24 17:23:58,072 INFO L268 CegarLoopResult]: For program point start_simulationEXIT(lines 466 524) no Hoare annotation was computed. [2020-09-24 17:23:58,072 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-09-24 17:23:58,073 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-09-24 17:23:58,073 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-09-24 17:23:58,073 INFO L268 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-09-24 17:23:58,073 INFO L268 CegarLoopResult]: For program point L498-1(line 498) no Hoare annotation was computed. [2020-09-24 17:23:58,073 INFO L268 CegarLoopResult]: For program point L498-2(line 498) no Hoare annotation was computed. [2020-09-24 17:23:58,073 INFO L264 CegarLoopResult]: At program point L494(line 494) the Hoare annotation is: (or (not (<= |old(~p_last_write~0)| |old(~q_buf_0~0)|)) (not (<= |old(~q_buf_0~0)| |old(~p_last_write~0)|)) (not (<= 0 |old(~q_buf_0~0)|)) (not (= |old(~c_last_read~0)| |old(~p_last_write~0)|)) (= 2 |old(~c_dr_pc~0)|) (not (<= |old(~q_buf_0~0)| 0)) (and (<= ~q_buf_0~0 ~p_last_write~0) (<= ~p_last_write~0 ~q_buf_0~0) (not (= ~c_dr_pc~0 2)))) [2020-09-24 17:23:58,073 INFO L264 CegarLoopResult]: At program point L519(lines 466 524) the Hoare annotation is: (or (not (<= |old(~p_last_write~0)| |old(~q_buf_0~0)|)) (not (<= |old(~q_buf_0~0)| |old(~p_last_write~0)|)) (and (<= ~q_buf_0~0 ~p_last_write~0) (<= ~p_last_write~0 ~q_buf_0~0)) (not (<= 0 |old(~q_buf_0~0)|)) (not (= |old(~c_last_read~0)| |old(~p_last_write~0)|)) (= 2 |old(~c_dr_pc~0)|) (not (<= |old(~q_buf_0~0)| 0))) [2020-09-24 17:23:58,073 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-09-24 17:23:58,073 INFO L264 CegarLoopResult]: At program point start_simulationENTRY(lines 466 524) the Hoare annotation is: (or (not (<= |old(~p_last_write~0)| |old(~q_buf_0~0)|)) (not (<= |old(~q_buf_0~0)| |old(~p_last_write~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)|)) (not (<= 0 |old(~q_buf_0~0)|)) (not (= |old(~c_last_read~0)| |old(~p_last_write~0)|)) (= 2 |old(~c_dr_pc~0)|) (not (<= |old(~q_buf_0~0)| 0))) [2020-09-24 17:23:58,074 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-09-24 17:23:58,074 INFO L268 CegarLoopResult]: For program point L511-1(line 511) no Hoare annotation was computed. [2020-09-24 17:23:58,074 INFO L268 CegarLoopResult]: For program point L511-2(line 511) no Hoare annotation was computed. [2020-09-24 17:23:58,074 INFO L264 CegarLoopResult]: At program point L474(line 474) the Hoare annotation is: (or (not (<= |old(~p_last_write~0)| |old(~q_buf_0~0)|)) (not (<= |old(~q_buf_0~0)| |old(~p_last_write~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)|)) (not (<= 0 |old(~q_buf_0~0)|)) (not (= |old(~c_last_read~0)| |old(~p_last_write~0)|)) (= 2 |old(~c_dr_pc~0)|) (not (<= |old(~q_buf_0~0)| 0))) [2020-09-24 17:23:58,074 INFO L264 CegarLoopResult]: At program point L474-1(line 474) the Hoare annotation is: (or (and (<= 0 ~q_buf_0~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (<= ~q_buf_0~0 ~p_last_write~0) (<= ~p_last_write~0 ~q_buf_0~0) (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_last_read~0 ~p_last_write~0) (<= ~q_buf_0~0 0) (not (= ~c_dr_pc~0 2))) (not (<= |old(~p_last_write~0)| |old(~q_buf_0~0)|)) (not (<= |old(~q_buf_0~0)| |old(~p_last_write~0)|)) (not (<= 0 |old(~q_buf_0~0)|)) (not (= |old(~c_last_read~0)| |old(~p_last_write~0)|)) (= 2 |old(~c_dr_pc~0)|) (not (<= |old(~q_buf_0~0)| 0))) [2020-09-24 17:23:58,075 INFO L264 CegarLoopResult]: At program point L503(line 503) the Hoare annotation is: (or (not (<= |old(~p_last_write~0)| |old(~q_buf_0~0)|)) (not (<= |old(~q_buf_0~0)| |old(~p_last_write~0)|)) (not (<= 0 |old(~q_buf_0~0)|)) (not (= |old(~c_last_read~0)| |old(~p_last_write~0)|)) (= 2 |old(~c_dr_pc~0)|) (not (<= |old(~q_buf_0~0)| 0)) (and (<= ~q_buf_0~0 ~p_last_write~0) (<= ~p_last_write~0 ~q_buf_0~0) (not (= ~c_dr_pc~0 2)))) [2020-09-24 17:23:58,075 INFO L264 CegarLoopResult]: At program point L503-1(line 503) the Hoare annotation is: (or (not (<= |old(~p_last_write~0)| |old(~q_buf_0~0)|)) (not (<= |old(~q_buf_0~0)| |old(~p_last_write~0)|)) (not (<= 0 |old(~q_buf_0~0)|)) (not (= |old(~c_last_read~0)| |old(~p_last_write~0)|)) (= 2 |old(~c_dr_pc~0)|) (not (<= |old(~q_buf_0~0)| 0)) (and (<= ~q_buf_0~0 ~p_last_write~0) (<= ~p_last_write~0 ~q_buf_0~0) (not (= ~c_dr_pc~0 2)))) [2020-09-24 17:23:58,075 INFO L264 CegarLoopResult]: At program point L495(line 495) the Hoare annotation is: (or (not (<= |old(~p_last_write~0)| |old(~q_buf_0~0)|)) (not (<= |old(~q_buf_0~0)| |old(~p_last_write~0)|)) (not (<= 0 |old(~q_buf_0~0)|)) (not (= |old(~c_last_read~0)| |old(~p_last_write~0)|)) (= 2 |old(~c_dr_pc~0)|) (not (<= |old(~q_buf_0~0)| 0)) (and (<= ~q_buf_0~0 ~p_last_write~0) (<= ~p_last_write~0 ~q_buf_0~0) (not (= ~c_dr_pc~0 2)))) [2020-09-24 17:23:58,075 INFO L264 CegarLoopResult]: At program point L475(line 475) the Hoare annotation is: (or (not (<= |old(~p_last_write~0)| |old(~q_buf_0~0)|)) (and (<= 0 ~q_buf_0~0) (<= ~q_buf_0~0 ~p_last_write~0) (<= ~p_last_write~0 ~q_buf_0~0) (= ~c_last_read~0 ~p_last_write~0) (<= ~q_buf_0~0 0) (not (= ~c_dr_pc~0 2))) (not (<= |old(~q_buf_0~0)| |old(~p_last_write~0)|)) (not (<= 0 |old(~q_buf_0~0)|)) (not (= |old(~c_last_read~0)| |old(~p_last_write~0)|)) (= 2 |old(~c_dr_pc~0)|) (not (<= |old(~q_buf_0~0)| 0))) [2020-09-24 17:23:58,075 INFO L264 CegarLoopResult]: At program point L504(line 504) the Hoare annotation is: (or (not (<= |old(~p_last_write~0)| |old(~q_buf_0~0)|)) (not (<= |old(~q_buf_0~0)| |old(~p_last_write~0)|)) (not (<= 0 |old(~q_buf_0~0)|)) (not (= |old(~c_last_read~0)| |old(~p_last_write~0)|)) (= 2 |old(~c_dr_pc~0)|) (not (<= |old(~q_buf_0~0)| 0)) (and (<= ~q_buf_0~0 ~p_last_write~0) (<= ~p_last_write~0 ~q_buf_0~0) (not (= ~c_dr_pc~0 2)))) [2020-09-24 17:23:58,075 INFO L268 CegarLoopResult]: For program point L500(lines 500 509) no Hoare annotation was computed. [2020-09-24 17:23:58,076 INFO L264 CegarLoopResult]: At program point L500-1(lines 500 509) the Hoare annotation is: (or (not (<= |old(~p_last_write~0)| |old(~q_buf_0~0)|)) (not (<= |old(~q_buf_0~0)| |old(~p_last_write~0)|)) (not (<= 0 |old(~q_buf_0~0)|)) (not (= |old(~c_last_read~0)| |old(~p_last_write~0)|)) (= 2 |old(~c_dr_pc~0)|) (not (<= |old(~q_buf_0~0)| 0)) (and (<= ~q_buf_0~0 ~p_last_write~0) (<= ~p_last_write~0 ~q_buf_0~0) (not (= ~c_dr_pc~0 2)))) [2020-09-24 17:23:58,076 INFO L268 CegarLoopResult]: For program point L513(lines 513 517) no Hoare annotation was computed. [2020-09-24 17:23:58,076 INFO L264 CegarLoopResult]: At program point L476(line 476) the Hoare annotation is: (or (not (<= |old(~p_last_write~0)| |old(~q_buf_0~0)|)) (and (<= 0 ~q_buf_0~0) (<= ~q_buf_0~0 ~p_last_write~0) (<= ~p_last_write~0 ~q_buf_0~0) (= ~c_last_read~0 ~p_last_write~0) (<= ~q_buf_0~0 0) (not (= ~c_dr_pc~0 2))) (not (<= |old(~q_buf_0~0)| |old(~p_last_write~0)|)) (not (<= 0 |old(~q_buf_0~0)|)) (not (= |old(~c_last_read~0)| |old(~p_last_write~0)|)) (= 2 |old(~c_dr_pc~0)|) (not (<= |old(~q_buf_0~0)| 0))) [2020-09-24 17:23:58,076 INFO L268 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-09-24 17:23:58,076 INFO L264 CegarLoopResult]: At program point L493(line 493) the Hoare annotation is: (or (not (<= |old(~p_last_write~0)| |old(~q_buf_0~0)|)) (not (<= |old(~q_buf_0~0)| |old(~p_last_write~0)|)) (not (<= 0 |old(~q_buf_0~0)|)) (not (= |old(~c_last_read~0)| |old(~p_last_write~0)|)) (= 2 |old(~c_dr_pc~0)|) (not (<= |old(~q_buf_0~0)| 0)) (and (<= ~q_buf_0~0 ~p_last_write~0) (<= ~p_last_write~0 ~q_buf_0~0) (not (= ~c_dr_pc~0 2)))) [2020-09-24 17:23:58,077 INFO L264 CegarLoopResult]: At program point L493-1(line 493) the Hoare annotation is: (or (not (<= |old(~p_last_write~0)| |old(~q_buf_0~0)|)) (not (<= |old(~q_buf_0~0)| |old(~p_last_write~0)|)) (not (<= 0 |old(~q_buf_0~0)|)) (not (= |old(~c_last_read~0)| |old(~p_last_write~0)|)) (= 2 |old(~c_dr_pc~0)|) (not (<= |old(~q_buf_0~0)| 0)) (and (<= ~q_buf_0~0 ~p_last_write~0) (<= ~p_last_write~0 ~q_buf_0~0) (not (= ~c_dr_pc~0 2)))) [2020-09-24 17:23:58,077 INFO L264 CegarLoopResult]: At program point L489(line 489) the Hoare annotation is: (or (not (<= |old(~p_last_write~0)| |old(~q_buf_0~0)|)) (not (<= |old(~q_buf_0~0)| |old(~p_last_write~0)|)) (not (<= 0 |old(~q_buf_0~0)|)) (not (= |old(~c_last_read~0)| |old(~p_last_write~0)|)) (= 2 |old(~c_dr_pc~0)|) (not (<= |old(~q_buf_0~0)| 0)) (and (<= ~q_buf_0~0 ~p_last_write~0) (<= ~p_last_write~0 ~q_buf_0~0) (not (= ~c_dr_pc~0 2)))) [2020-09-24 17:23:58,077 INFO L268 CegarLoopResult]: For program point L489-1(line 489) no Hoare annotation was computed. [2020-09-24 17:23:58,077 INFO L264 CegarLoopResult]: At program point L485(line 485) the Hoare annotation is: (or (not (<= |old(~p_last_write~0)| |old(~q_buf_0~0)|)) (not (<= |old(~q_buf_0~0)| |old(~p_last_write~0)|)) (not (<= 0 |old(~q_buf_0~0)|)) (not (= |old(~c_last_read~0)| |old(~p_last_write~0)|)) (= 2 |old(~c_dr_pc~0)|) (not (<= |old(~q_buf_0~0)| 0)) (and (<= ~q_buf_0~0 ~p_last_write~0) (<= ~p_last_write~0 ~q_buf_0~0) (not (= ~c_dr_pc~0 2)))) [2020-09-24 17:23:58,077 INFO L268 CegarLoopResult]: For program point L485-1(line 485) no Hoare annotation was computed. [2020-09-24 17:23:58,077 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-24 17:23:58,077 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 0 ~q_buf_0~0) (<= ~q_buf_0~0 ~p_last_write~0) (<= ~p_last_write~0 ~q_buf_0~0) (= ~c_last_read~0 ~p_last_write~0) (<= ~q_buf_0~0 0) (not (= ~c_dr_pc~0 2))) [2020-09-24 17:23:58,078 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-24 17:23:58,078 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-24 17:23:58,078 INFO L268 CegarLoopResult]: For program point L66-1(lines 66 75) no Hoare annotation was computed. [2020-09-24 17:23:58,078 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-09-24 17:23:58,078 INFO L268 CegarLoopResult]: For program point L56(lines 56 65) no Hoare annotation was computed. [2020-09-24 17:23:58,078 INFO L268 CegarLoopResult]: For program point L56-2(lines 55 79) no Hoare annotation was computed. [2020-09-24 17:23:58,078 INFO L268 CegarLoopResult]: For program point is_do_write_p_triggeredEXIT(lines 52 80) no Hoare annotation was computed. [2020-09-24 17:23:58,078 INFO L271 CegarLoopResult]: At program point L77(lines 55 79) the Hoare annotation is: true [2020-09-24 17:23:58,079 INFO L271 CegarLoopResult]: At program point is_do_write_p_triggeredENTRY(lines 52 80) the Hoare annotation is: true [2020-09-24 17:23:58,079 INFO L268 CegarLoopResult]: For program point L67(lines 67 72) no Hoare annotation was computed. [2020-09-24 17:23:58,079 INFO L268 CegarLoopResult]: For program point L57(lines 57 62) no Hoare annotation was computed. [2020-09-24 17:23:58,079 INFO L268 CegarLoopResult]: For program point is_do_write_p_triggeredFINAL(lines 52 80) no Hoare annotation was computed. [2020-09-24 17:23:58,079 INFO L268 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-09-24 17:23:58,079 INFO L268 CegarLoopResult]: For program point reset_time_eventsEXIT(lines 351 368) no Hoare annotation was computed. [2020-09-24 17:23:58,079 INFO L264 CegarLoopResult]: At program point reset_time_eventsENTRY(lines 351 368) the Hoare annotation is: (or (not (<= ~p_last_write~0 ~q_buf_0~0)) (and (= |old(~slow_clk_edge~0)| ~slow_clk_edge~0) (= |old(~fast_clk_edge~0)| ~fast_clk_edge~0)) (not (<= ~q_buf_0~0 ~p_last_write~0)) (= ~c_dr_pc~0 2)) [2020-09-24 17:23:58,079 INFO L268 CegarLoopResult]: For program point L361(line 361) no Hoare annotation was computed. [2020-09-24 17:23:58,080 INFO L268 CegarLoopResult]: For program point L360-1(lines 351 368) no Hoare annotation was computed. [2020-09-24 17:23:58,080 INFO L268 CegarLoopResult]: For program point L356(line 356) no Hoare annotation was computed. [2020-09-24 17:23:58,080 INFO L268 CegarLoopResult]: For program point L355-1(lines 354 367) no Hoare annotation was computed. [2020-09-24 17:23:58,080 INFO L268 CegarLoopResult]: For program point L225(lines 225 231) no Hoare annotation was computed. [2020-09-24 17:23:58,080 INFO L268 CegarLoopResult]: For program point L192(lines 192 196) no Hoare annotation was computed. [2020-09-24 17:23:58,080 INFO L268 CegarLoopResult]: For program point do_read_cEXIT(lines 185 243) no Hoare annotation was computed. [2020-09-24 17:23:58,080 INFO L268 CegarLoopResult]: For program point L221(line 221) no Hoare annotation was computed. [2020-09-24 17:23:58,080 INFO L264 CegarLoopResult]: At program point L238(lines 185 243) the Hoare annotation is: (let ((.cse0 (not (<= ~p_last_write~0 ~q_buf_0~0))) (.cse1 (not (<= ~q_buf_0~0 ~p_last_write~0))) (.cse2 (= 2 |old(~c_dr_pc~0)|))) (and (or .cse0 (and (= ~q_req_up~0 |old(~q_req_up~0)|) (not (= ~c_dr_pc~0 2))) .cse1 .cse2) (or .cse0 (not (= ~p_last_write~0 |old(~c_last_read~0)|)) (= ~c_last_read~0 ~p_last_write~0) (not (<= ~q_buf_0~0 0)) (not (<= 0 ~q_buf_0~0)) .cse1 .cse2))) [2020-09-24 17:23:58,081 INFO L264 CegarLoopResult]: At program point L234(line 234) the Hoare annotation is: (or (not (<= ~p_last_write~0 ~q_buf_0~0)) (not (<= ~q_buf_0~0 ~p_last_write~0)) (= 2 |old(~c_dr_pc~0)|)) [2020-09-24 17:23:58,081 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-09-24 17:23:58,081 INFO L264 CegarLoopResult]: At program point L234-1(lines 188 242) the Hoare annotation is: (or (not (<= ~p_last_write~0 ~q_buf_0~0)) (not (<= ~q_buf_0~0 ~p_last_write~0)) (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)|) (= ~q_req_up~0 |old(~q_req_up~0)|) (= |old(~q_free~0)| ~q_free~0) (= ~c_num_read~0 |old(~c_num_read~0)|)) (= 2 |old(~c_dr_pc~0)|)) [2020-09-24 17:23:58,081 INFO L264 CegarLoopResult]: At program point L193(lines 188 242) the Hoare annotation is: (or (not (<= ~p_last_write~0 ~q_buf_0~0)) (not (<= ~q_buf_0~0 ~p_last_write~0)) (= 2 |old(~c_dr_pc~0)|)) [2020-09-24 17:23:58,081 INFO L268 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-09-24 17:23:58,081 INFO L268 CegarLoopResult]: For program point L189(lines 189 197) no Hoare annotation was computed. [2020-09-24 17:23:58,081 INFO L268 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2020-09-24 17:23:58,082 INFO L268 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-09-24 17:23:58,082 INFO L268 CegarLoopResult]: For program point L224(lines 224 236) no Hoare annotation was computed. [2020-09-24 17:23:58,082 INFO L268 CegarLoopResult]: For program point L220(line 220) no Hoare annotation was computed. [2020-09-24 17:23:58,082 INFO L264 CegarLoopResult]: At program point do_read_cENTRY(lines 185 243) the Hoare annotation is: (or (not (<= ~p_last_write~0 ~q_buf_0~0)) (not (<= ~q_buf_0~0 ~p_last_write~0)) (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)|) (= ~q_req_up~0 |old(~q_req_up~0)|) (= |old(~q_free~0)| ~q_free~0) (= ~c_num_read~0 |old(~c_num_read~0)|)) (= 2 |old(~c_dr_pc~0)|)) [2020-09-24 17:23:58,082 INFO L268 CegarLoopResult]: For program point L208-1(lines 208 218) no Hoare annotation was computed. [2020-09-24 17:23:58,082 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-09-24 17:23:58,082 INFO L264 CegarLoopResult]: At program point L229(line 229) the Hoare annotation is: (or (not (<= ~p_last_write~0 ~q_buf_0~0)) (not (<= ~q_buf_0~0 ~p_last_write~0)) (= 2 |old(~c_dr_pc~0)|)) [2020-09-24 17:23:58,083 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-09-24 17:23:58,083 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-09-24 17:23:58,083 INFO L268 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-09-24 17:23:58,083 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-09-24 17:23:58,083 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-09-24 17:23:58,083 INFO L268 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-09-24 17:23:58,083 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-09-24 17:23:58,084 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-09-24 17:23:58,084 INFO L268 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-09-24 17:23:58,084 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-09-24 17:23:58,084 INFO L268 CegarLoopResult]: For program point init_modelFINAL(lines 525 543) no Hoare annotation was computed. [2020-09-24 17:23:58,084 INFO L268 CegarLoopResult]: For program point init_modelEXIT(lines 525 543) no Hoare annotation was computed. [2020-09-24 17:23:58,084 INFO L264 CegarLoopResult]: At program point init_modelENTRY(lines 525 543) the Hoare annotation is: (or (not (<= ~p_last_write~0 ~q_buf_0~0)) (not (<= ~q_buf_0~0 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)|)) (not (<= 0 ~q_buf_0~0)) (not (<= ~q_buf_0~0 ~p_last_write~0)) (= 2 |old(~c_dr_pc~0)|) (not (= ~c_last_read~0 ~p_last_write~0))) [2020-09-24 17:23:58,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 05:23:58 BoogieIcfgContainer [2020-09-24 17:23:58,115 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 17:23:58,118 INFO L168 Benchmark]: Toolchain (without parser) took 40066.37 ms. Allocated memory was 141.0 MB in the beginning and 458.8 MB in the end (delta: 317.7 MB). Free memory was 102.9 MB in the beginning and 170.5 MB in the end (delta: -67.6 MB). Peak memory consumption was 316.7 MB. Max. memory is 7.1 GB. [2020-09-24 17:23:58,118 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 17:23:58,120 INFO L168 Benchmark]: CACSL2BoogieTranslator took 503.66 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 102.2 MB in the beginning and 180.2 MB in the end (delta: -77.9 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2020-09-24 17:23:58,120 INFO L168 Benchmark]: Boogie Preprocessor took 55.40 ms. Allocated memory is still 203.9 MB. Free memory was 180.2 MB in the beginning and 177.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-09-24 17:23:58,121 INFO L168 Benchmark]: RCFGBuilder took 842.49 ms. Allocated memory is still 203.9 MB. Free memory was 177.6 MB in the beginning and 133.7 MB in the end (delta: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 7.1 GB. [2020-09-24 17:23:58,122 INFO L168 Benchmark]: TraceAbstraction took 38656.14 ms. Allocated memory was 203.9 MB in the beginning and 458.8 MB in the end (delta: 254.8 MB). Free memory was 133.1 MB in the beginning and 170.5 MB in the end (delta: -37.4 MB). Peak memory consumption was 284.0 MB. Max. memory is 7.1 GB. [2020-09-24 17:23:58,126 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 503.66 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 102.2 MB in the beginning and 180.2 MB in the end (delta: -77.9 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 55.40 ms. Allocated memory is still 203.9 MB. Free memory was 180.2 MB in the beginning and 177.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 842.49 ms. Allocated memory is still 203.9 MB. Free memory was 177.6 MB in the beginning and 133.7 MB in the end (delta: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 38656.14 ms. Allocated memory was 203.9 MB in the beginning and 458.8 MB in the end (delta: 254.8 MB). Free memory was 133.1 MB in the beginning and 170.5 MB in the end (delta: -37.4 MB). Peak memory consumption was 284.0 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(p_last_write) <= \old(q_buf_0)) || !(\old(q_buf_0) <= \old(p_last_write))) || (q_buf_0 <= p_last_write && p_last_write <= q_buf_0)) || !(0 <= \old(q_buf_0))) || !(\old(c_last_read) == \old(p_last_write))) || 2 == \old(c_dr_pc)) || !(\old(q_buf_0) <= 0) - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: (!(p_last_write <= q_buf_0) || !(q_buf_0 <= p_last_write)) || 2 == \old(c_dr_pc) - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: ((!(\old(p_last_write) <= \old(q_buf_0)) || !(\old(q_buf_0) <= \old(p_last_write))) || 2 == \old(c_dr_pc)) || ((q_buf_0 <= p_last_write && p_last_write <= q_buf_0) && !(c_dr_pc == 2)) - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: ((!(\old(p_last_write) <= \old(q_buf_0)) || !(\old(q_buf_0) <= \old(p_last_write))) || (q_buf_0 <= p_last_write && p_last_write <= q_buf_0)) || c_dr_pc == 2 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: ((!(p_last_write <= q_buf_0) || !(q_buf_0 <= p_last_write)) || ((((((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)) && q_req_up == \old(q_req_up)) && \old(q_free) == q_free) && c_num_read == \old(c_num_read))) || 2 == \old(c_dr_pc) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: ((!(\old(p_last_write) <= \old(q_buf_0)) || !(\old(q_buf_0) <= \old(p_last_write))) || ((q_buf_0 <= p_last_write && p_last_write <= q_buf_0) && \old(p_dw_st) == p_dw_st)) || c_dr_pc == 2 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: ((!(\old(p_last_write) <= \old(q_buf_0)) || !(\old(q_buf_0) <= \old(p_last_write))) || ((((((\old(p_dw_pc) == p_dw_pc && q_req_up == \old(q_req_up)) && \old(q_free) == q_free) && \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(p_last_write) <= \old(q_buf_0)) || !(\old(q_buf_0) <= \old(p_last_write))) || !(0 <= \old(q_buf_0))) || !(\old(c_last_read) == \old(p_last_write))) || 2 == \old(c_dr_pc)) || !(\old(q_buf_0) <= 0)) || ((q_buf_0 <= p_last_write && p_last_write <= q_buf_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_last_write) <= \old(q_buf_0)) || !(\old(q_buf_0) <= \old(p_last_write))) || ((((((\old(p_dw_pc) == p_dw_pc && q_req_up == \old(q_req_up)) && \old(q_free) == q_free) && \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: ((!(\old(p_last_write) <= \old(q_buf_0)) || !(\old(q_buf_0) <= \old(p_last_write))) || 2 == \old(c_dr_pc)) || ((q_buf_0 <= p_last_write && p_last_write <= q_buf_0) && !(c_dr_pc == 2)) - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: (((!(p_last_write <= q_buf_0) || (q_req_up == \old(q_req_up) && !(c_dr_pc == 2))) || !(q_buf_0 <= p_last_write)) || 2 == \old(c_dr_pc)) && ((((((!(p_last_write <= q_buf_0) || !(p_last_write == \old(c_last_read))) || c_last_read == p_last_write) || !(q_buf_0 <= 0)) || !(0 <= q_buf_0)) || !(q_buf_0 <= p_last_write)) || 2 == \old(c_dr_pc)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 267 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 25.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 9.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 592 SDtfs, 2379 SDslu, 569 SDs, 0 SdLazy, 3820 SolverSat, 1164 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 129 GetRequests, 57 SyntacticMatches, 3 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 922 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=446occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 526 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 427 PreInvPairs, 667 NumberOfFragments, 1809 HoareAnnotationTreeSize, 427 FomulaSimplifications, 39326 FormulaSimplificationTreeSizeReduction, 9.0s HoareSimplificationTime, 63 FomulaSimplificationsInter, 5793 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 14.9s InterpolantComputationTime, 265 NumberOfCodeBlocks, 265 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 263 ConstructedInterpolants, 0 QuantifiedInterpolants, 128088 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...