/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic DAGSIZE --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -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-d623d84 [2020-07-21 20:57:00,043 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 20:57:00,045 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 20:57:00,063 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 20:57:00,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 20:57:00,065 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 20:57:00,067 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 20:57:00,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 20:57:00,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 20:57:00,085 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 20:57:00,086 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 20:57:00,087 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 20:57:00,087 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 20:57:00,089 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 20:57:00,091 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 20:57:00,092 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 20:57:00,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 20:57:00,095 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 20:57:00,096 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 20:57:00,101 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 20:57:00,106 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 20:57:00,111 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 20:57:00,112 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 20:57:00,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 20:57:00,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 20:57:00,115 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 20:57:00,115 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 20:57:00,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 20:57:00,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 20:57:00,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 20:57:00,120 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 20:57:00,122 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 20:57:00,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 20:57:00,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 20:57:00,125 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 20:57:00,125 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 20:57:00,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 20:57:00,126 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 20:57:00,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 20:57:00,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 20:57:00,128 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 20:57:00,129 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 20:57:00,160 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 20:57:00,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 20:57:00,162 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 20:57:00,163 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 20:57:00,164 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 20:57:00,164 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 20:57:00,164 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 20:57:00,164 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 20:57:00,164 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 20:57:00,164 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 20:57:00,165 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 20:57:00,165 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 20:57:00,165 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 20:57:00,165 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 20:57:00,165 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 20:57:00,165 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 20:57:00,165 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 20:57:00,165 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 20:57:00,166 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 20:57:00,166 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 20:57:00,166 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 20:57:00,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 20:57:00,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 20:57:00,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 20:57:00,169 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 20:57:00,169 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 20:57:00,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:57:00,169 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 20:57:00,169 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 20:57:00,170 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 -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> DAGSIZE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 2 [2020-07-21 20:57:00,467 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 20:57:00,486 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 20:57:00,490 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 20:57:00,492 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 20:57:00,493 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 20:57:00,494 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_3.cil.c [2020-07-21 20:57:00,552 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03be41da9/4d73fe71a628404da182c2ae3e6cdcdc/FLAG669033b7a [2020-07-21 20:57:01,007 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 20:57:01,008 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_3.cil.c [2020-07-21 20:57:01,022 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03be41da9/4d73fe71a628404da182c2ae3e6cdcdc/FLAG669033b7a [2020-07-21 20:57:01,382 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03be41da9/4d73fe71a628404da182c2ae3e6cdcdc [2020-07-21 20:57:01,393 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 20:57:01,395 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 20:57:01,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 20:57:01,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 20:57:01,400 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 20:57:01,400 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 08:57:01" (1/1) ... [2020-07-21 20:57:01,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c20232a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:57:01, skipping insertion in model container [2020-07-21 20:57:01,403 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 08:57:01" (1/1) ... [2020-07-21 20:57:01,411 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 20:57:01,456 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 20:57:01,670 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 20:57:01,676 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 20:57:01,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 20:57:01,835 INFO L208 MainTranslator]: Completed translation [2020-07-21 20:57:01,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:57:01 WrapperNode [2020-07-21 20:57:01,836 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 20:57:01,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 20:57:01,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 20:57:01,837 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 20:57:01,847 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:57:01" (1/1) ... [2020-07-21 20:57:01,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:57:01" (1/1) ... [2020-07-21 20:57:01,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:57:01" (1/1) ... [2020-07-21 20:57:01,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:57:01" (1/1) ... [2020-07-21 20:57:01,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:57:01" (1/1) ... [2020-07-21 20:57:01,884 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:57:01" (1/1) ... [2020-07-21 20:57:01,886 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:57:01" (1/1) ... [2020-07-21 20:57:01,895 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 20:57:01,895 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 20:57:01,895 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 20:57:01,895 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 20:57:01,896 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:57:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 20:57:01,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 20:57:01,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 20:57:01,956 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-07-21 20:57:01,956 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2020-07-21 20:57:01,956 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2020-07-21 20:57:01,956 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2020-07-21 20:57:01,956 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2020-07-21 20:57:01,956 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2020-07-21 20:57:01,957 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2020-07-21 20:57:01,957 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-07-21 20:57:01,957 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-07-21 20:57:01,957 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-07-21 20:57:01,957 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-07-21 20:57:01,957 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-07-21 20:57:01,957 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-07-21 20:57:01,958 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-07-21 20:57:01,958 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-07-21 20:57:01,958 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-07-21 20:57:01,958 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-07-21 20:57:01,958 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-07-21 20:57:01,958 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-07-21 20:57:01,959 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 20:57:01,959 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 20:57:01,959 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 20:57:01,959 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-07-21 20:57:01,959 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2020-07-21 20:57:01,959 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2020-07-21 20:57:01,960 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2020-07-21 20:57:01,960 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2020-07-21 20:57:01,960 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2020-07-21 20:57:01,960 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2020-07-21 20:57:01,960 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-07-21 20:57:01,960 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-07-21 20:57:01,961 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-07-21 20:57:01,961 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-07-21 20:57:01,961 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-07-21 20:57:01,961 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-07-21 20:57:01,961 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-07-21 20:57:01,961 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-07-21 20:57:01,961 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-07-21 20:57:01,962 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-07-21 20:57:01,962 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-07-21 20:57:01,962 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-07-21 20:57:01,962 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 20:57:01,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 20:57:01,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 20:57:02,539 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume 1 == ~q_free~0;~c_dr_st~0 := 2;~c_dr_pc~0 := 2;~a_t~0 := ~a~0; [2020-07-21 20:57:02,540 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !(1 == ~q_free~0); [2020-07-21 20:57:02,559 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 20:57:02,560 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-21 20:57:02,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 08:57:02 BoogieIcfgContainer [2020-07-21 20:57:02,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 20:57:02,567 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 20:57:02,567 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 20:57:02,571 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 20:57:02,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 08:57:01" (1/3) ... [2020-07-21 20:57:02,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@629fa41e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 08:57:02, skipping insertion in model container [2020-07-21 20:57:02,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:57:01" (2/3) ... [2020-07-21 20:57:02,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@629fa41e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 08:57:02, skipping insertion in model container [2020-07-21 20:57:02,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 08:57:02" (3/3) ... [2020-07-21 20:57:02,575 INFO L109 eAbstractionObserver]: Analyzing ICFG pc_sfifo_3.cil.c [2020-07-21 20:57:02,586 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 20:57:02,594 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 20:57:02,609 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 20:57:02,635 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 20:57:02,635 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 20:57:02,636 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 20:57:02,636 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 20:57:02,636 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 20:57:02,636 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 20:57:02,637 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 20:57:02,637 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 20:57:02,661 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states. [2020-07-21 20:57:02,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-07-21 20:57:02,672 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:57:02,673 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:57:02,674 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:57:02,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:57:02,680 INFO L82 PathProgramCache]: Analyzing trace with hash 1427944937, now seen corresponding path program 1 times [2020-07-21 20:57:02,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:57:02,689 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1296166785] [2020-07-21 20:57:02,690 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:57:02,852 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 20:57:02,852 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:57:02,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 20:57:02,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:57:02,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:57:02,931 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:57:02,932 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1296166785] [2020-07-21 20:57:02,932 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:57:02,933 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 20:57:02,934 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126972738] [2020-07-21 20:57:02,939 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 20:57:02,940 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:57:02,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 20:57:02,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:57:02,956 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 3 states. [2020-07-21 20:57:03,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:57:03,071 INFO L93 Difference]: Finished difference Result 395 states and 564 transitions. [2020-07-21 20:57:03,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 20:57:03,073 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2020-07-21 20:57:03,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:57:03,090 INFO L225 Difference]: With dead ends: 395 [2020-07-21 20:57:03,091 INFO L226 Difference]: Without dead ends: 253 [2020-07-21 20:57:03,096 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:57:03,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2020-07-21 20:57:03,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 249. [2020-07-21 20:57:03,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2020-07-21 20:57:03,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 339 transitions. [2020-07-21 20:57:03,179 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 339 transitions. Word has length 78 [2020-07-21 20:57:03,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:57:03,180 INFO L479 AbstractCegarLoop]: Abstraction has 249 states and 339 transitions. [2020-07-21 20:57:03,180 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 20:57:03,180 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 339 transitions. [2020-07-21 20:57:03,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-07-21 20:57:03,186 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:57:03,186 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] [2020-07-21 20:57:03,401 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:57:03,401 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:57:03,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:57:03,402 INFO L82 PathProgramCache]: Analyzing trace with hash -993372653, now seen corresponding path program 1 times [2020-07-21 20:57:03,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:57:03,403 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2138958064] [2020-07-21 20:57:03,404 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:57:03,552 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:57:03,553 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:57:03,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 20:57:03,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:57:03,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:57:03,612 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:57:03,612 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2138958064] [2020-07-21 20:57:03,612 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:57:03,613 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 20:57:03,613 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063729300] [2020-07-21 20:57:03,615 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 20:57:03,615 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:57:03,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 20:57:03,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:57:03,616 INFO L87 Difference]: Start difference. First operand 249 states and 339 transitions. Second operand 3 states. [2020-07-21 20:57:03,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:57:03,688 INFO L93 Difference]: Finished difference Result 675 states and 941 transitions. [2020-07-21 20:57:03,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 20:57:03,691 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2020-07-21 20:57:03,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:57:03,703 INFO L225 Difference]: With dead ends: 675 [2020-07-21 20:57:03,704 INFO L226 Difference]: Without dead ends: 451 [2020-07-21 20:57:03,708 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 76 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:57:03,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2020-07-21 20:57:03,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 447. [2020-07-21 20:57:03,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 447 states. [2020-07-21 20:57:03,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 609 transitions. [2020-07-21 20:57:03,768 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 609 transitions. Word has length 79 [2020-07-21 20:57:03,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:57:03,768 INFO L479 AbstractCegarLoop]: Abstraction has 447 states and 609 transitions. [2020-07-21 20:57:03,768 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 20:57:03,769 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 609 transitions. [2020-07-21 20:57:03,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-07-21 20:57:03,775 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:57:03,775 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:57:03,981 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:57:03,982 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:57:03,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:57:03,983 INFO L82 PathProgramCache]: Analyzing trace with hash -628516370, now seen corresponding path program 1 times [2020-07-21 20:57:03,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:57:03,984 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1404046517] [2020-07-21 20:57:03,984 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:57:04,071 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 20:57:04,071 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:57:04,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 20:57:04,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:57:04,106 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:57:04,106 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:57:04,107 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1404046517] [2020-07-21 20:57:04,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:57:04,107 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 20:57:04,108 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440644087] [2020-07-21 20:57:04,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 20:57:04,109 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:57:04,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 20:57:04,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:57:04,110 INFO L87 Difference]: Start difference. First operand 447 states and 609 transitions. Second operand 3 states. [2020-07-21 20:57:04,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:57:04,191 INFO L93 Difference]: Finished difference Result 1257 states and 1756 transitions. [2020-07-21 20:57:04,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 20:57:04,192 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2020-07-21 20:57:04,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:57:04,200 INFO L225 Difference]: With dead ends: 1257 [2020-07-21 20:57:04,200 INFO L226 Difference]: Without dead ends: 837 [2020-07-21 20:57:04,203 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:57:04,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2020-07-21 20:57:04,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 837. [2020-07-21 20:57:04,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 837 states. [2020-07-21 20:57:04,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 1151 transitions. [2020-07-21 20:57:04,291 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 1151 transitions. Word has length 100 [2020-07-21 20:57:04,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:57:04,292 INFO L479 AbstractCegarLoop]: Abstraction has 837 states and 1151 transitions. [2020-07-21 20:57:04,292 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 20:57:04,292 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1151 transitions. [2020-07-21 20:57:04,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-07-21 20:57:04,307 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:57:04,307 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:57:04,518 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:57:04,519 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:57:04,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:57:04,520 INFO L82 PathProgramCache]: Analyzing trace with hash 1693230004, now seen corresponding path program 1 times [2020-07-21 20:57:04,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:57:04,521 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [141084820] [2020-07-21 20:57:04,522 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:57:04,620 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 20:57:04,620 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:57:04,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 20:57:04,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:57:04,677 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-21 20:57:04,678 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:57:04,678 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [141084820] [2020-07-21 20:57:04,678 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:57:04,679 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 20:57:04,679 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169547659] [2020-07-21 20:57:04,680 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 20:57:04,680 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:57:04,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 20:57:04,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:57:04,681 INFO L87 Difference]: Start difference. First operand 837 states and 1151 transitions. Second operand 3 states. [2020-07-21 20:57:04,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:57:04,784 INFO L93 Difference]: Finished difference Result 2421 states and 3506 transitions. [2020-07-21 20:57:04,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 20:57:04,785 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 183 [2020-07-21 20:57:04,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:57:04,799 INFO L225 Difference]: With dead ends: 2421 [2020-07-21 20:57:04,800 INFO L226 Difference]: Without dead ends: 1621 [2020-07-21 20:57:04,804 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 180 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:57:04,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1621 states. [2020-07-21 20:57:04,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1621 to 1601. [2020-07-21 20:57:04,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1601 states. [2020-07-21 20:57:04,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1601 states to 1601 states and 2278 transitions. [2020-07-21 20:57:04,928 INFO L78 Accepts]: Start accepts. Automaton has 1601 states and 2278 transitions. Word has length 183 [2020-07-21 20:57:04,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:57:04,928 INFO L479 AbstractCegarLoop]: Abstraction has 1601 states and 2278 transitions. [2020-07-21 20:57:04,928 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 20:57:04,929 INFO L276 IsEmpty]: Start isEmpty. Operand 1601 states and 2278 transitions. [2020-07-21 20:57:04,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-07-21 20:57:04,939 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:57:04,939 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:57:05,146 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:57:05,147 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:57:05,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:57:05,147 INFO L82 PathProgramCache]: Analyzing trace with hash 811575438, now seen corresponding path program 1 times [2020-07-21 20:57:05,148 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:57:05,148 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2079473548] [2020-07-21 20:57:05,148 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:57:05,239 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 20:57:05,239 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:57:05,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 20:57:05,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:57:05,297 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-07-21 20:57:05,298 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:57:05,298 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2079473548] [2020-07-21 20:57:05,298 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:57:05,299 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 20:57:05,299 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315058449] [2020-07-21 20:57:05,299 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 20:57:05,300 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:57:05,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 20:57:05,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 20:57:05,300 INFO L87 Difference]: Start difference. First operand 1601 states and 2278 transitions. Second operand 6 states. [2020-07-21 20:57:05,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:57:05,421 INFO L93 Difference]: Finished difference Result 3142 states and 4520 transitions. [2020-07-21 20:57:05,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 20:57:05,421 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 176 [2020-07-21 20:57:05,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:57:05,433 INFO L225 Difference]: With dead ends: 3142 [2020-07-21 20:57:05,434 INFO L226 Difference]: Without dead ends: 1582 [2020-07-21 20:57:05,441 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-21 20:57:05,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1582 states. [2020-07-21 20:57:05,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1582 to 1478. [2020-07-21 20:57:05,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1478 states. [2020-07-21 20:57:05,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1478 states and 2061 transitions. [2020-07-21 20:57:05,553 INFO L78 Accepts]: Start accepts. Automaton has 1478 states and 2061 transitions. Word has length 176 [2020-07-21 20:57:05,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:57:05,554 INFO L479 AbstractCegarLoop]: Abstraction has 1478 states and 2061 transitions. [2020-07-21 20:57:05,554 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 20:57:05,554 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 2061 transitions. [2020-07-21 20:57:05,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-07-21 20:57:05,563 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:57:05,563 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:57:05,777 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:57:05,778 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:57:05,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:57:05,779 INFO L82 PathProgramCache]: Analyzing trace with hash -701227362, now seen corresponding path program 1 times [2020-07-21 20:57:05,779 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:57:05,779 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1235768810] [2020-07-21 20:57:05,780 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:57:05,877 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 20:57:05,877 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:57:05,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 20:57:05,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:57:05,941 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-07-21 20:57:05,942 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:57:05,942 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1235768810] [2020-07-21 20:57:05,942 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:57:05,942 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 20:57:05,943 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984776454] [2020-07-21 20:57:05,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 20:57:05,943 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:57:05,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 20:57:05,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:57:05,944 INFO L87 Difference]: Start difference. First operand 1478 states and 2061 transitions. Second operand 3 states. [2020-07-21 20:57:06,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:57:06,024 INFO L93 Difference]: Finished difference Result 2902 states and 4034 transitions. [2020-07-21 20:57:06,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 20:57:06,025 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 186 [2020-07-21 20:57:06,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:57:06,034 INFO L225 Difference]: With dead ends: 2902 [2020-07-21 20:57:06,034 INFO L226 Difference]: Without dead ends: 1465 [2020-07-21 20:57:06,040 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:57:06,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1465 states. [2020-07-21 20:57:06,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1465 to 1465. [2020-07-21 20:57:06,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1465 states. [2020-07-21 20:57:06,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1465 states to 1465 states and 2028 transitions. [2020-07-21 20:57:06,134 INFO L78 Accepts]: Start accepts. Automaton has 1465 states and 2028 transitions. Word has length 186 [2020-07-21 20:57:06,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:57:06,135 INFO L479 AbstractCegarLoop]: Abstraction has 1465 states and 2028 transitions. [2020-07-21 20:57:06,135 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 20:57:06,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1465 states and 2028 transitions. [2020-07-21 20:57:06,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-07-21 20:57:06,147 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:57:06,148 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:57:06,362 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:57:06,363 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:57:06,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:57:06,364 INFO L82 PathProgramCache]: Analyzing trace with hash -1558272866, now seen corresponding path program 1 times [2020-07-21 20:57:06,364 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:57:06,364 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1996484512] [2020-07-21 20:57:06,365 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:57:06,492 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 20:57:06,493 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:57:06,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-21 20:57:06,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:57:06,545 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-07-21 20:57:06,546 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:57:06,546 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1996484512] [2020-07-21 20:57:06,546 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:57:06,546 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 20:57:06,547 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197476480] [2020-07-21 20:57:06,547 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 20:57:06,547 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:57:06,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 20:57:06,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 20:57:06,548 INFO L87 Difference]: Start difference. First operand 1465 states and 2028 transitions. Second operand 6 states. [2020-07-21 20:57:06,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:57:06,656 INFO L93 Difference]: Finished difference Result 2608 states and 3665 transitions. [2020-07-21 20:57:06,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 20:57:06,657 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 183 [2020-07-21 20:57:06,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:57:06,664 INFO L225 Difference]: With dead ends: 2608 [2020-07-21 20:57:06,664 INFO L226 Difference]: Without dead ends: 1176 [2020-07-21 20:57:06,670 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 20:57:06,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176 states. [2020-07-21 20:57:06,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176 to 1176. [2020-07-21 20:57:06,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1176 states. [2020-07-21 20:57:06,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 1618 transitions. [2020-07-21 20:57:06,736 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 1618 transitions. Word has length 183 [2020-07-21 20:57:06,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:57:06,736 INFO L479 AbstractCegarLoop]: Abstraction has 1176 states and 1618 transitions. [2020-07-21 20:57:06,736 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 20:57:06,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1618 transitions. [2020-07-21 20:57:06,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-07-21 20:57:06,744 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:57:06,747 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:57:06,960 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:57:06,961 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:57:06,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:57:06,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1488624992, now seen corresponding path program 1 times [2020-07-21 20:57:06,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:57:06,963 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2118761365] [2020-07-21 20:57:06,963 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:57:07,118 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:57:07,119 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:57:07,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 982 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 20:57:07,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:57:07,177 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2020-07-21 20:57:07,178 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:57:07,178 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2118761365] [2020-07-21 20:57:07,178 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:57:07,178 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 20:57:07,179 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485641446] [2020-07-21 20:57:07,179 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 20:57:07,179 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:57:07,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 20:57:07,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:57:07,180 INFO L87 Difference]: Start difference. First operand 1176 states and 1618 transitions. Second operand 3 states. [2020-07-21 20:57:07,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:57:07,260 INFO L93 Difference]: Finished difference Result 2396 states and 3303 transitions. [2020-07-21 20:57:07,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 20:57:07,261 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 183 [2020-07-21 20:57:07,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:57:07,268 INFO L225 Difference]: With dead ends: 2396 [2020-07-21 20:57:07,268 INFO L226 Difference]: Without dead ends: 1253 [2020-07-21 20:57:07,273 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 180 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:57:07,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1253 states. [2020-07-21 20:57:07,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1253 to 1247. [2020-07-21 20:57:07,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1247 states. [2020-07-21 20:57:07,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 1701 transitions. [2020-07-21 20:57:07,337 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 1701 transitions. Word has length 183 [2020-07-21 20:57:07,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:57:07,337 INFO L479 AbstractCegarLoop]: Abstraction has 1247 states and 1701 transitions. [2020-07-21 20:57:07,337 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 20:57:07,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1701 transitions. [2020-07-21 20:57:07,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-07-21 20:57:07,345 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:57:07,346 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:57:07,561 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:57:07,562 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:57:07,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:57:07,562 INFO L82 PathProgramCache]: Analyzing trace with hash 1735624790, now seen corresponding path program 1 times [2020-07-21 20:57:07,562 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:57:07,563 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [938011575] [2020-07-21 20:57:07,563 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:57:07,650 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 20:57:07,650 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:57:07,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-21 20:57:07,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:57:07,698 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-07-21 20:57:07,699 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:57:07,699 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [938011575] [2020-07-21 20:57:07,699 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:57:07,699 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 20:57:07,700 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067852055] [2020-07-21 20:57:07,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 20:57:07,700 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:57:07,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 20:57:07,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 20:57:07,701 INFO L87 Difference]: Start difference. First operand 1247 states and 1701 transitions. Second operand 6 states. [2020-07-21 20:57:07,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:57:07,773 INFO L93 Difference]: Finished difference Result 2552 states and 3538 transitions. [2020-07-21 20:57:07,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 20:57:07,774 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 184 [2020-07-21 20:57:07,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:57:07,783 INFO L225 Difference]: With dead ends: 2552 [2020-07-21 20:57:07,783 INFO L226 Difference]: Without dead ends: 1349 [2020-07-21 20:57:07,789 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 20:57:07,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1349 states. [2020-07-21 20:57:07,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1349 to 1349. [2020-07-21 20:57:07,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1349 states. [2020-07-21 20:57:07,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 1349 states and 1829 transitions. [2020-07-21 20:57:07,890 INFO L78 Accepts]: Start accepts. Automaton has 1349 states and 1829 transitions. Word has length 184 [2020-07-21 20:57:07,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:57:07,891 INFO L479 AbstractCegarLoop]: Abstraction has 1349 states and 1829 transitions. [2020-07-21 20:57:07,891 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 20:57:07,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1349 states and 1829 transitions. [2020-07-21 20:57:07,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-07-21 20:57:07,903 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:57:07,905 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:57:08,119 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:57:08,119 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:57:08,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:57:08,120 INFO L82 PathProgramCache]: Analyzing trace with hash -628216872, now seen corresponding path program 1 times [2020-07-21 20:57:08,120 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:57:08,121 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1251948936] [2020-07-21 20:57:08,121 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:57:08,272 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:57:08,273 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:57:08,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 979 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 20:57:08,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:57:08,315 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-07-21 20:57:08,316 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:57:08,316 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1251948936] [2020-07-21 20:57:08,316 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:57:08,316 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 20:57:08,317 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063119956] [2020-07-21 20:57:08,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 20:57:08,317 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:57:08,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 20:57:08,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:57:08,318 INFO L87 Difference]: Start difference. First operand 1349 states and 1829 transitions. Second operand 3 states. [2020-07-21 20:57:08,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:57:08,403 INFO L93 Difference]: Finished difference Result 3546 states and 4843 transitions. [2020-07-21 20:57:08,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 20:57:08,404 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 184 [2020-07-21 20:57:08,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:57:08,419 INFO L225 Difference]: With dead ends: 3546 [2020-07-21 20:57:08,420 INFO L226 Difference]: Without dead ends: 2303 [2020-07-21 20:57:08,426 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 181 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:57:08,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2303 states. [2020-07-21 20:57:08,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2303 to 2275. [2020-07-21 20:57:08,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2275 states. [2020-07-21 20:57:08,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2275 states to 2275 states and 3073 transitions. [2020-07-21 20:57:08,551 INFO L78 Accepts]: Start accepts. Automaton has 2275 states and 3073 transitions. Word has length 184 [2020-07-21 20:57:08,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:57:08,552 INFO L479 AbstractCegarLoop]: Abstraction has 2275 states and 3073 transitions. [2020-07-21 20:57:08,552 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 20:57:08,552 INFO L276 IsEmpty]: Start isEmpty. Operand 2275 states and 3073 transitions. [2020-07-21 20:57:08,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-07-21 20:57:08,562 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:57:08,563 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:57:08,778 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:57:08,779 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:57:08,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:57:08,780 INFO L82 PathProgramCache]: Analyzing trace with hash 160087976, now seen corresponding path program 1 times [2020-07-21 20:57:08,780 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:57:08,780 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [593716102] [2020-07-21 20:57:08,781 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:57:08,916 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 20:57:08,917 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:57:08,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 20:57:08,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:57:08,963 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-21 20:57:08,963 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:57:08,964 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [593716102] [2020-07-21 20:57:08,964 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:57:08,964 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 20:57:08,965 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44192125] [2020-07-21 20:57:08,965 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 20:57:08,966 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:57:08,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 20:57:08,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:57:08,967 INFO L87 Difference]: Start difference. First operand 2275 states and 3073 transitions. Second operand 3 states. [2020-07-21 20:57:09,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:57:09,089 INFO L93 Difference]: Finished difference Result 4466 states and 6160 transitions. [2020-07-21 20:57:09,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 20:57:09,089 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2020-07-21 20:57:09,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:57:09,107 INFO L225 Difference]: With dead ends: 4466 [2020-07-21 20:57:09,107 INFO L226 Difference]: Without dead ends: 2297 [2020-07-21 20:57:09,123 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:57:09,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2297 states. [2020-07-21 20:57:09,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2297 to 2275. [2020-07-21 20:57:09,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2275 states. [2020-07-21 20:57:09,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2275 states to 2275 states and 2985 transitions. [2020-07-21 20:57:09,240 INFO L78 Accepts]: Start accepts. Automaton has 2275 states and 2985 transitions. Word has length 185 [2020-07-21 20:57:09,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:57:09,240 INFO L479 AbstractCegarLoop]: Abstraction has 2275 states and 2985 transitions. [2020-07-21 20:57:09,241 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 20:57:09,241 INFO L276 IsEmpty]: Start isEmpty. Operand 2275 states and 2985 transitions. [2020-07-21 20:57:09,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-07-21 20:57:09,247 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:57:09,247 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:57:09,460 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:57:09,461 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:57:09,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:57:09,461 INFO L82 PathProgramCache]: Analyzing trace with hash 362991514, now seen corresponding path program 1 times [2020-07-21 20:57:09,462 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:57:09,462 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [511141223] [2020-07-21 20:57:09,463 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:57:09,608 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:57:09,609 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:57:09,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 978 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 20:57:09,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:57:09,694 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-07-21 20:57:09,694 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:57:09,694 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [511141223] [2020-07-21 20:57:09,695 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:57:09,695 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 20:57:09,695 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344200619] [2020-07-21 20:57:09,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 20:57:09,696 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:57:09,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 20:57:09,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:57:09,696 INFO L87 Difference]: Start difference. First operand 2275 states and 2985 transitions. Second operand 3 states. [2020-07-21 20:57:09,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:57:09,818 INFO L93 Difference]: Finished difference Result 6613 states and 8841 transitions. [2020-07-21 20:57:09,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 20:57:09,819 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 186 [2020-07-21 20:57:09,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:57:09,846 INFO L225 Difference]: With dead ends: 6613 [2020-07-21 20:57:09,846 INFO L226 Difference]: Without dead ends: 4444 [2020-07-21 20:57:09,856 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 183 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:57:09,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4444 states. [2020-07-21 20:57:10,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4444 to 4440. [2020-07-21 20:57:10,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4440 states. [2020-07-21 20:57:10,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4440 states to 4440 states and 5839 transitions. [2020-07-21 20:57:10,056 INFO L78 Accepts]: Start accepts. Automaton has 4440 states and 5839 transitions. Word has length 186 [2020-07-21 20:57:10,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:57:10,057 INFO L479 AbstractCegarLoop]: Abstraction has 4440 states and 5839 transitions. [2020-07-21 20:57:10,057 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 20:57:10,057 INFO L276 IsEmpty]: Start isEmpty. Operand 4440 states and 5839 transitions. [2020-07-21 20:57:10,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-07-21 20:57:10,066 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:57:10,066 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:57:10,280 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:57:10,281 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:57:10,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:57:10,281 INFO L82 PathProgramCache]: Analyzing trace with hash -1133495728, now seen corresponding path program 1 times [2020-07-21 20:57:10,282 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:57:10,282 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1823778844] [2020-07-21 20:57:10,282 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:57:10,367 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 20:57:10,368 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:57:10,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 20:57:10,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:57:10,403 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-21 20:57:10,403 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:57:10,403 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1823778844] [2020-07-21 20:57:10,403 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:57:10,404 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 20:57:10,404 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898079390] [2020-07-21 20:57:10,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 20:57:10,405 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:57:10,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 20:57:10,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:57:10,405 INFO L87 Difference]: Start difference. First operand 4440 states and 5839 transitions. Second operand 3 states. [2020-07-21 20:57:10,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:57:10,579 INFO L93 Difference]: Finished difference Result 7224 states and 9712 transitions. [2020-07-21 20:57:10,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 20:57:10,580 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 187 [2020-07-21 20:57:10,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:57:10,583 INFO L225 Difference]: With dead ends: 7224 [2020-07-21 20:57:10,583 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 20:57:10,618 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 184 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:57:10,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 20:57:10,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 20:57:10,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 20:57:10,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 20:57:10,620 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 187 [2020-07-21 20:57:10,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:57:10,621 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 20:57:10,621 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 20:57:10,621 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 20:57:10,621 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 20:57:10,834 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:57:10,838 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 20:57:11,033 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 25 [2020-07-21 20:57:15,624 WARN L193 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 60 [2020-07-21 20:57:16,762 WARN L193 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 53 [2020-07-21 20:57:16,881 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 29 [2020-07-21 20:57:17,367 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 40 [2020-07-21 20:57:17,600 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 29 [2020-07-21 20:57:17,890 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 40 [2020-07-21 20:57:18,175 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 37 [2020-07-21 20:57:18,415 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 36 [2020-07-21 20:57:18,575 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 29 [2020-07-21 20:57:18,923 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 31 [2020-07-21 20:57:19,694 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 52 [2020-07-21 20:57:19,949 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 34 [2020-07-21 20:57:20,172 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 26 [2020-07-21 20:57:21,146 WARN L193 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 60 [2020-07-21 20:57:21,731 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 57 [2020-07-21 20:57:21,843 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 21 [2020-07-21 20:57:22,768 WARN L193 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 55 [2020-07-21 20:57:22,945 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 30 [2020-07-21 20:57:23,336 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 35 [2020-07-21 20:57:23,621 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 34 [2020-07-21 20:57:23,919 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 22 [2020-07-21 20:57:24,240 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 36 [2020-07-21 20:57:24,792 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 49 [2020-07-21 20:57:25,275 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 34 [2020-07-21 20:57:25,280 INFO L268 CegarLoopResult]: For program point L385(lines 385 389) no Hoare annotation was computed. [2020-07-21 20:57:25,280 INFO L268 CegarLoopResult]: For program point L383(line 383) no Hoare annotation was computed. [2020-07-21 20:57:25,280 INFO L268 CegarLoopResult]: For program point L385-2(lines 369 393) no Hoare annotation was computed. [2020-07-21 20:57:25,280 INFO L268 CegarLoopResult]: For program point L377(lines 377 381) no Hoare annotation was computed. [2020-07-21 20:57:25,281 INFO L264 CegarLoopResult]: At program point L375(line 375) the Hoare annotation is: (let ((.cse5 (not (<= ~c_dr_pc~0 0))) (.cse1 (<= 2 ~c_dr_st~0)) (.cse4 (not (<= 2 |old(~c_dr_st~0)|))) (.cse0 (not (= 1 ~p_dw_pc~0))) (.cse6 (not (= 0 |old(~p_dw_st~0)|))) (.cse2 (not (= 1 ~p_dw_i~0))) (.cse7 (= 0 ~p_dw_st~0)) (.cse3 (not (<= ~c_dr_pc~0 1))) (.cse8 (not (<= 2 ~p_dw_pc~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse2 .cse4) (or .cse5 .cse6 .cse2 .cse7 .cse4) (or .cse5 (not (<= 2 ~slow_clk_edge~0)) (not (<= 2 ~fast_clk_edge~0)) .cse6 .cse2 .cse7) (or .cse1 .cse2 .cse3 .cse4 .cse8) (or .cse0 .cse6 .cse2 .cse3 .cse7) (or .cse6 .cse2 .cse7 .cse3 .cse8))) [2020-07-21 20:57:25,281 INFO L264 CegarLoopResult]: At program point L377-2(lines 377 381) the Hoare annotation is: (let ((.cse13 (<= ~c_dr_pc~0 1)) (.cse12 (= 1 ~p_dw_i~0)) (.cse10 (= 0 ~p_dw_st~0)) (.cse14 (= 1 ~p_dw_pc~0))) (let ((.cse0 (not .cse14)) (.cse8 (and .cse13 .cse14 .cse12 .cse10)) (.cse5 (<= 2 ~c_dr_st~0)) (.cse6 (not (<= 2 |old(~c_dr_st~0)|))) (.cse4 (not .cse13)) (.cse11 (not (<= 2 ~p_dw_pc~0))) (.cse7 (not (<= ~c_dr_pc~0 0))) (.cse2 (not (<= 2 ~fast_clk_edge~0))) (.cse9 (not (= 0 |old(~p_dw_st~0)|))) (.cse1 (= 0 activate_threads_~tmp~1)) (.cse3 (not .cse12))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse3 .cse4 .cse6) (or .cse7 .cse5 .cse3 .cse6) (or .cse0 .cse1 .cse3 .cse4 .cse8) (or .cse7 .cse9 .cse3 .cse10 .cse6) (or .cse1 .cse3 .cse10 .cse4 .cse11) (or .cse0 .cse9 .cse3 .cse4 .cse8) (or .cse5 .cse3 .cse4 .cse6 .cse11) (or .cse9 .cse3 .cse10 .cse4 .cse11) (or (not (<= ~p_dw_pc~0 0)) .cse7 (not (<= 2 ~slow_clk_edge~0)) .cse2 .cse9 (and .cse1 .cse10) .cse3)))) [2020-07-21 20:57:25,281 INFO L268 CegarLoopResult]: For program point L375-1(line 375) no Hoare annotation was computed. [2020-07-21 20:57:25,282 INFO L264 CegarLoopResult]: At program point activate_threadsENTRY(lines 369 393) the Hoare annotation is: (let ((.cse5 (not (<= ~c_dr_pc~0 0))) (.cse1 (<= 2 ~c_dr_st~0)) (.cse4 (not (<= 2 |old(~c_dr_st~0)|))) (.cse0 (not (= 1 ~p_dw_pc~0))) (.cse6 (not (= 0 |old(~p_dw_st~0)|))) (.cse2 (not (= 1 ~p_dw_i~0))) (.cse7 (= 0 ~p_dw_st~0)) (.cse3 (not (<= ~c_dr_pc~0 1))) (.cse8 (not (<= 2 ~p_dw_pc~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse2 .cse4) (or .cse5 .cse6 .cse2 .cse7 .cse4) (or .cse5 (not (<= 2 ~slow_clk_edge~0)) (not (<= 2 ~fast_clk_edge~0)) .cse6 .cse2 .cse7) (or .cse1 .cse2 .cse3 .cse4 .cse8) (or .cse0 .cse6 .cse2 .cse3 .cse7) (or .cse6 .cse2 .cse7 .cse3 .cse8))) [2020-07-21 20:57:25,282 INFO L268 CegarLoopResult]: For program point activate_threadsEXIT(lines 369 393) no Hoare annotation was computed. [2020-07-21 20:57:25,282 INFO L268 CegarLoopResult]: For program point exists_runnable_threadEXIT(lines 277 296) no Hoare annotation was computed. [2020-07-21 20:57:25,282 INFO L268 CegarLoopResult]: For program point L285(lines 285 290) no Hoare annotation was computed. [2020-07-21 20:57:25,282 INFO L268 CegarLoopResult]: For program point L281(lines 281 291) no Hoare annotation was computed. [2020-07-21 20:57:25,282 INFO L271 CegarLoopResult]: At program point exists_runnable_threadENTRY(lines 277 296) the Hoare annotation is: true [2020-07-21 20:57:25,282 INFO L264 CegarLoopResult]: At program point L293(lines 280 295) the Hoare annotation is: (let ((.cse0 (not (<= ~c_dr_pc~0 0))) (.cse1 (not (<= 2 ~slow_clk_edge~0))) (.cse3 (not (<= 2 ~fast_clk_edge~0))) (.cse6 (not (<= 2 ~c_dr_st~0))) (.cse2 (not (= 0 ~p_dw_st~0))) (.cse4 (not (= 1 ~p_dw_i~0))) (.cse5 (<= 1 exists_runnable_thread_~__retres1~2)) (.cse7 (not (<= ~c_dr_pc~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse2 .cse4 .cse5 .cse6) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse7 .cse6) (or .cse2 .cse4 .cse5 .cse7 (not (<= 2 ~p_dw_pc~0))) (or (not (= 1 ~p_dw_pc~0)) .cse2 .cse4 .cse5 .cse7))) [2020-07-21 20:57:25,283 INFO L268 CegarLoopResult]: For program point exists_runnable_threadFINAL(lines 277 296) no Hoare annotation was computed. [2020-07-21 20:57:25,283 INFO L271 CegarLoopResult]: At program point update_fifo_qENTRY(lines 22 41) the Hoare annotation is: true [2020-07-21 20:57:25,283 INFO L268 CegarLoopResult]: For program point L31-1(lines 31 35) no Hoare annotation was computed. [2020-07-21 20:57:25,283 INFO L268 CegarLoopResult]: For program point update_fifo_qEXIT(lines 22 41) no Hoare annotation was computed. [2020-07-21 20:57:25,283 INFO L268 CegarLoopResult]: For program point L26-1(lines 25 40) no Hoare annotation was computed. [2020-07-21 20:57:25,283 INFO L268 CegarLoopResult]: For program point update_fifo_qFINAL(lines 22 41) no Hoare annotation was computed. [2020-07-21 20:57:25,283 INFO L268 CegarLoopResult]: For program point reset_delta_eventsEXIT(lines 315 332) no Hoare annotation was computed. [2020-07-21 20:57:25,283 INFO L268 CegarLoopResult]: For program point L319-1(lines 318 331) no Hoare annotation was computed. [2020-07-21 20:57:25,283 INFO L271 CegarLoopResult]: At program point reset_delta_eventsENTRY(lines 315 332) the Hoare annotation is: true [2020-07-21 20:57:25,283 INFO L268 CegarLoopResult]: For program point L324-1(lines 315 332) no Hoare annotation was computed. [2020-07-21 20:57:25,284 INFO L268 CegarLoopResult]: For program point L268-1(lines 259 276) no Hoare annotation was computed. [2020-07-21 20:57:25,284 INFO L268 CegarLoopResult]: For program point init_threadsEXIT(lines 259 276) no Hoare annotation was computed. [2020-07-21 20:57:25,284 INFO L264 CegarLoopResult]: At program point init_threadsENTRY(lines 259 276) the Hoare annotation is: (or (not (<= ~p_dw_pc~0 0)) (not (<= ~c_dr_pc~0 0)) (not (<= 2 ~slow_clk_edge~0)) (not (<= 2 ~fast_clk_edge~0)) (not (= 0 |old(~p_dw_st~0)|)) (not (= 1 ~p_dw_i~0)) (= 0 ~p_dw_st~0)) [2020-07-21 20:57:25,284 INFO L268 CegarLoopResult]: For program point L263-1(lines 262 275) no Hoare annotation was computed. [2020-07-21 20:57:25,284 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 544 555) the Hoare annotation is: (or (not (= 0 |old(~p_dw_st~0)|)) (not (<= |old(~c_dr_pc~0)| 0)) (and (<= ~p_dw_pc~0 0) (= 0 ~p_dw_st~0) (<= ~c_dr_pc~0 0)) (not (<= |old(~p_dw_pc~0)| 0))) [2020-07-21 20:57:25,284 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 544 555) no Hoare annotation was computed. [2020-07-21 20:57:25,284 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 544 555) no Hoare annotation was computed. [2020-07-21 20:57:25,284 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-21 20:57:25,284 INFO L264 CegarLoopResult]: At program point L549(line 549) the Hoare annotation is: (or (not (= 0 |old(~p_dw_st~0)|)) (not (<= |old(~c_dr_pc~0)| 0)) (and (<= ~p_dw_pc~0 0) (= 0 ~p_dw_st~0) (<= ~c_dr_pc~0 0)) (not (<= |old(~p_dw_pc~0)| 0))) [2020-07-21 20:57:25,285 INFO L264 CegarLoopResult]: At program point L549-1(line 549) the Hoare annotation is: (or (not (= 0 |old(~p_dw_st~0)|)) (not (<= |old(~c_dr_pc~0)| 0)) (and (<= ~p_dw_pc~0 0) (= 1 ~p_dw_i~0) (= 0 ~p_dw_st~0) (<= 2 ~fast_clk_edge~0) (<= 2 ~slow_clk_edge~0) (<= ~c_dr_pc~0 0)) (not (<= |old(~p_dw_pc~0)| 0))) [2020-07-21 20:57:25,285 INFO L264 CegarLoopResult]: At program point L161(lines 138 182) the Hoare annotation is: (let ((.cse0 (not (<= 2 ~slow_clk_edge~0))) (.cse1 (not (<= 2 ~fast_clk_edge~0))) (.cse2 (not (= 1 ~p_dw_i~0))) (.cse3 (not (<= |old(~p_dw_pc~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (<= ~c_dr_pc~0 1)) (not (<= 2 ~c_dr_st~0)) .cse3) (or (not (<= ~c_dr_pc~0 0)) .cse0 .cse1 .cse2 .cse3))) [2020-07-21 20:57:25,285 INFO L264 CegarLoopResult]: At program point do_write_pENTRY(lines 135 183) the Hoare annotation is: (let ((.cse0 (not (<= 2 ~slow_clk_edge~0))) (.cse1 (<= ~p_dw_pc~0 0)) (.cse2 (not (<= 2 ~fast_clk_edge~0))) (.cse3 (not (= 1 ~p_dw_i~0))) (.cse5 (not (<= ~c_dr_pc~0 1))) (.cse4 (not (<= |old(~p_dw_pc~0)| 0)))) (and (or (not (<= ~c_dr_pc~0 0)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse3 .cse5 (not (<= 2 |old(~p_dw_pc~0)|)) (<= 2 ~p_dw_pc~0)) (or (not (= 1 |old(~p_dw_pc~0)|)) .cse3 (= 1 ~p_dw_pc~0) .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse5 (not (<= 2 ~c_dr_st~0)) .cse4))) [2020-07-21 20:57:25,285 INFO L268 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-07-21 20:57:25,285 INFO L264 CegarLoopResult]: At program point L178(lines 135 183) the Hoare annotation is: (let ((.cse0 (not (<= 2 ~slow_clk_edge~0))) (.cse1 (not (<= 2 ~fast_clk_edge~0))) (.cse4 (not (<= |old(~p_dw_pc~0)| 0))) (.cse2 (not (= 1 ~p_dw_i~0))) (.cse3 (= 1 ~p_dw_pc~0)) (.cse5 (not (<= ~c_dr_pc~0 1)))) (and (or (not (<= ~c_dr_pc~0 0)) .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= 1 |old(~p_dw_pc~0)|)) .cse2 .cse3 .cse5 (<= 2 ~p_dw_pc~0)) (or .cse0 .cse1 .cse2 .cse3 .cse5 (not (<= 2 ~c_dr_st~0)) .cse4) (or .cse2 .cse3 .cse5 (not (<= 2 |old(~p_dw_pc~0)|))))) [2020-07-21 20:57:25,285 INFO L268 CegarLoopResult]: For program point L145(lines 145 149) no Hoare annotation was computed. [2020-07-21 20:57:25,285 INFO L264 CegarLoopResult]: At program point L143(lines 138 182) the Hoare annotation is: (let ((.cse0 (not (<= 2 ~slow_clk_edge~0))) (.cse1 (not (<= 2 ~fast_clk_edge~0))) (.cse4 (not (<= |old(~p_dw_pc~0)| 0))) (.cse2 (not (= 1 ~p_dw_i~0))) (.cse3 (not (<= ~c_dr_pc~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 ~c_dr_st~0)) .cse4) (or (not (<= ~c_dr_pc~0 0)) .cse0 .cse1 .cse2 .cse4) (or .cse2 .cse3 (not (<= 2 |old(~p_dw_pc~0)|))) (or (not (= 1 |old(~p_dw_pc~0)|)) .cse2 (= 1 ~p_dw_pc~0) .cse3))) [2020-07-21 20:57:25,286 INFO L268 CegarLoopResult]: For program point do_write_pEXIT(lines 135 183) no Hoare annotation was computed. [2020-07-21 20:57:25,286 INFO L271 CegarLoopResult]: At program point L154-1(lines 138 182) the Hoare annotation is: true [2020-07-21 20:57:25,286 INFO L268 CegarLoopResult]: For program point L142(lines 142 150) no Hoare annotation was computed. [2020-07-21 20:57:25,286 INFO L268 CegarLoopResult]: For program point errorEXIT(lines 5 12) no Hoare annotation was computed. [2020-07-21 20:57:25,286 INFO L268 CegarLoopResult]: For program point errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 9) no Hoare annotation was computed. [2020-07-21 20:57:25,286 INFO L271 CegarLoopResult]: At program point errorENTRY(lines 5 12) the Hoare annotation is: true [2020-07-21 20:57:25,287 INFO L268 CegarLoopResult]: For program point errorFINAL(lines 5 12) no Hoare annotation was computed. [2020-07-21 20:57:25,287 INFO L268 CegarLoopResult]: For program point L126(lines 126 130) no Hoare annotation was computed. [2020-07-21 20:57:25,287 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-21 20:57:25,287 INFO L268 CegarLoopResult]: For program point L126-2(lines 110 134) no Hoare annotation was computed. [2020-07-21 20:57:25,287 INFO L268 CegarLoopResult]: For program point immediate_notify_threadsENTRY(lines 110 134) no Hoare annotation was computed. [2020-07-21 20:57:25,287 INFO L268 CegarLoopResult]: For program point L118(lines 118 122) no Hoare annotation was computed. [2020-07-21 20:57:25,287 INFO L268 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-07-21 20:57:25,287 INFO L268 CegarLoopResult]: For program point L118-2(lines 118 122) no Hoare annotation was computed. [2020-07-21 20:57:25,287 INFO L268 CegarLoopResult]: For program point L116-1(line 116) no Hoare annotation was computed. [2020-07-21 20:57:25,288 INFO L268 CegarLoopResult]: For program point immediate_notify_threadsEXIT(lines 110 134) no Hoare annotation was computed. [2020-07-21 20:57:25,288 INFO L268 CegarLoopResult]: For program point fire_time_eventsEXIT(lines 335 350) no Hoare annotation was computed. [2020-07-21 20:57:25,288 INFO L264 CegarLoopResult]: At program point fire_time_eventsENTRY(lines 335 350) the Hoare annotation is: (let ((.cse0 (not (= 1 ~p_dw_i~0))) (.cse1 (not (<= ~c_dr_pc~0 1))) (.cse2 (<= 2 ~slow_clk_edge~0)) (.cse3 (not (<= 2 |old(~slow_clk_edge~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 ~p_dw_pc~0))) (or (not (= 1 ~p_dw_pc~0)) .cse0 .cse1 .cse2 .cse3))) [2020-07-21 20:57:25,288 INFO L268 CegarLoopResult]: For program point L339-1(lines 335 350) no Hoare annotation was computed. [2020-07-21 20:57:25,288 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 20:57:25,288 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 20:57:25,288 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 20:57:25,289 INFO L264 CegarLoopResult]: At program point evalENTRY(lines 394 446) the Hoare annotation is: (let ((.cse4 (<= 2 ~c_dr_st~0)) (.cse10 (<= ~c_dr_pc~0 0)) (.cse0 (not (= 1 |old(~p_dw_pc~0)|))) (.cse2 (<= ~c_dr_pc~0 1)) (.cse8 (not (<= |old(~c_dr_pc~0)| 0))) (.cse5 (not (<= 2 |old(~c_dr_st~0)|))) (.cse7 (not (= 0 |old(~p_dw_st~0)|))) (.cse1 (not (= 1 ~p_dw_i~0))) (.cse9 (= 0 ~p_dw_st~0)) (.cse6 (not (<= 2 |old(~p_dw_pc~0)|))) (.cse3 (not (<= |old(~c_dr_pc~0)| 1)))) (and (or .cse0 .cse1 (and .cse2 (= 1 ~p_dw_pc~0)) .cse3) (or .cse4 .cse0 .cse1 .cse5 .cse3) (or .cse4 .cse1 .cse5 .cse6 .cse3) (or (not (<= 2 ~slow_clk_edge~0)) (not (<= 2 ~fast_clk_edge~0)) .cse7 .cse1 .cse8 (and (<= ~p_dw_pc~0 0) .cse9 .cse10) (not (<= |old(~p_dw_pc~0)| 0))) (or .cse0 .cse1 .cse8 .cse10) (or .cse1 (and .cse4 .cse10) .cse8 .cse5) (or .cse1 .cse8 .cse10 .cse6) (or .cse0 .cse7 .cse1 .cse9 .cse3) (or (and .cse2 (<= 2 ~p_dw_pc~0)) .cse1 .cse6 .cse3) (or .cse7 .cse1 .cse8 .cse9 .cse5) (or .cse7 .cse1 .cse9 .cse6 .cse3))) [2020-07-21 20:57:25,289 INFO L264 CegarLoopResult]: At program point L417(line 417) the Hoare annotation is: (let ((.cse8 (<= 2 ~c_dr_st~0)) (.cse11 (<= ~c_dr_pc~0 0)) (.cse16 (= 1 ~p_dw_i~0)) (.cse17 (<= 2 ~p_dw_pc~0)) (.cse9 (<= ~c_dr_pc~0 1)) (.cse15 (= 1 ~p_dw_pc~0))) (let ((.cse6 (and .cse9 .cse15)) (.cse7 (and .cse9 .cse16 .cse17)) (.cse0 (not (= 1 |old(~p_dw_pc~0)|))) (.cse13 (and .cse15 .cse16 .cse11)) (.cse10 (not (<= |old(~c_dr_pc~0)| 0))) (.cse14 (and .cse16 .cse11 .cse17)) (.cse1 (not .cse16)) (.cse2 (and .cse8 .cse9 .cse16 .cse17)) (.cse3 (not (<= 2 |old(~c_dr_st~0)|))) (.cse12 (not (<= 2 |old(~p_dw_pc~0)|))) (.cse4 (and .cse8 .cse9 .cse15 .cse16)) (.cse5 (not (<= |old(~c_dr_pc~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse6 .cse7 .cse5) (or (and .cse8 .cse9) (not (<= 2 ~slow_clk_edge~0)) (not (<= 2 ~fast_clk_edge~0)) (not (= 0 |old(~p_dw_st~0)|)) .cse1 .cse10 .cse11) (or .cse1 .cse6 .cse7 .cse12 .cse5) (or .cse1 (and .cse8 .cse11) .cse10 .cse3) (or .cse0 .cse1 .cse2 .cse13 .cse10 .cse14 .cse4) (or .cse1 .cse2 .cse13 .cse10 .cse14 .cse12 .cse4) (or .cse1 .cse2 .cse3 .cse12 .cse4 .cse5)))) [2020-07-21 20:57:25,289 INFO L268 CegarLoopResult]: For program point L405(lines 405 409) no Hoare annotation was computed. [2020-07-21 20:57:25,289 INFO L268 CegarLoopResult]: For program point L405-1(lines 400 440) no Hoare annotation was computed. [2020-07-21 20:57:25,289 INFO L268 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-07-21 20:57:25,290 INFO L264 CegarLoopResult]: At program point L401(line 401) the Hoare annotation is: (let ((.cse9 (<= 2 ~c_dr_st~0)) (.cse10 (<= ~c_dr_pc~0 0)) (.cse18 (= 1 ~p_dw_i~0)) (.cse15 (<= 2 ~p_dw_pc~0)) (.cse16 (<= ~c_dr_pc~0 1)) (.cse17 (= 1 ~p_dw_pc~0))) (let ((.cse6 (and .cse16 .cse17)) (.cse7 (and .cse16 .cse18 .cse15)) (.cse0 (not (= 1 |old(~p_dw_pc~0)|))) (.cse12 (and .cse17 .cse18 .cse10)) (.cse13 (and .cse18 .cse10 .cse15)) (.cse2 (and .cse9 .cse16 .cse18 .cse15)) (.cse3 (not (<= 2 |old(~c_dr_st~0)|))) (.cse8 (not (<= 2 |old(~p_dw_pc~0)|))) (.cse4 (and .cse9 .cse16 .cse17 .cse18)) (.cse5 (not (<= |old(~c_dr_pc~0)| 1))) (.cse1 (not .cse18)) (.cse11 (not (<= |old(~c_dr_pc~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse6 .cse7 .cse5) (or .cse1 .cse6 .cse7 .cse8 .cse5) (or .cse1 (and .cse9 .cse10) .cse11 .cse3) (or .cse0 .cse1 .cse2 .cse12 .cse11 .cse13 .cse4) (or .cse1 .cse2 .cse12 .cse11 .cse13 .cse8 .cse4) (or .cse1 .cse2 .cse3 .cse8 .cse4 .cse5) (let ((.cse14 (= 0 ~p_dw_st~0))) (or (not (<= 2 ~slow_clk_edge~0)) (not (<= 2 ~fast_clk_edge~0)) (not (= 0 |old(~p_dw_st~0)|)) (and .cse14 .cse10) (and .cse10 .cse15) .cse1 (and .cse9 .cse16 .cse15) (and .cse17 .cse10) (and .cse9 .cse16 .cse14) .cse11 (and .cse9 .cse16 .cse17)))))) [2020-07-21 20:57:25,290 INFO L264 CegarLoopResult]: At program point L432(line 432) the Hoare annotation is: (let ((.cse14 (<= ~c_dr_pc~0 1)) (.cse7 (<= 2 ~p_dw_pc~0)) (.cse8 (= 1 ~p_dw_pc~0)) (.cse13 (= 1 ~p_dw_i~0)) (.cse6 (<= ~c_dr_pc~0 0))) (let ((.cse0 (not (= 1 |old(~p_dw_pc~0)|))) (.cse10 (and .cse8 .cse13 .cse6)) (.cse11 (and .cse13 .cse6 .cse7)) (.cse2 (and .cse14 .cse8)) (.cse3 (and .cse14 .cse13 .cse7)) (.cse12 (not (<= 2 |old(~p_dw_pc~0)|))) (.cse4 (not (<= |old(~c_dr_pc~0)| 1))) (.cse1 (not .cse13)) (.cse9 (not (<= |old(~c_dr_pc~0)| 0))) (.cse5 (not (<= 2 |old(~c_dr_st~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse4) (or (not (<= 2 ~slow_clk_edge~0)) (not (<= 2 ~fast_clk_edge~0)) (and (= 0 ~p_dw_st~0) .cse6) (not (= 0 |old(~p_dw_st~0)|)) (and .cse6 .cse7) .cse1 (and .cse8 .cse6) .cse9) (or .cse0 .cse1 .cse10 .cse9 .cse11) (or .cse1 .cse5 .cse12 .cse4) (or .cse1 .cse10 .cse9 .cse11 .cse12) (or .cse1 .cse2 .cse3 .cse12 .cse4) (or .cse1 .cse9 .cse5)))) [2020-07-21 20:57:25,290 INFO L268 CegarLoopResult]: For program point L414(lines 414 421) no Hoare annotation was computed. [2020-07-21 20:57:25,290 INFO L268 CegarLoopResult]: For program point evalEXIT(lines 394 446) no Hoare annotation was computed. [2020-07-21 20:57:25,290 INFO L268 CegarLoopResult]: For program point L410(lines 400 440) no Hoare annotation was computed. [2020-07-21 20:57:25,291 INFO L264 CegarLoopResult]: At program point L441(lines 394 446) the Hoare annotation is: (let ((.cse9 (<= 2 ~c_dr_st~0)) (.cse10 (<= ~c_dr_pc~0 0)) (.cse17 (= 1 ~p_dw_i~0)) (.cse14 (<= 2 ~p_dw_pc~0)) (.cse15 (<= ~c_dr_pc~0 1)) (.cse16 (= 1 ~p_dw_pc~0))) (let ((.cse6 (and .cse15 .cse16)) (.cse7 (and .cse15 .cse17 .cse14)) (.cse0 (not (= 1 |old(~p_dw_pc~0)|))) (.cse12 (and .cse16 .cse17 .cse10)) (.cse13 (and .cse17 .cse10 .cse14)) (.cse2 (and .cse9 .cse15 .cse17 .cse14)) (.cse3 (not (<= 2 |old(~c_dr_st~0)|))) (.cse8 (not (<= 2 |old(~p_dw_pc~0)|))) (.cse5 (not (<= |old(~c_dr_pc~0)| 1))) (.cse1 (not .cse17)) (.cse11 (not (<= |old(~c_dr_pc~0)| 0))) (.cse4 (and .cse9 .cse15 .cse16 .cse17))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse6 .cse7 .cse5) (or .cse1 .cse6 .cse7 .cse8 .cse5) (or .cse1 (and .cse9 .cse10) .cse11 .cse3) (or .cse0 .cse1 .cse2 .cse12 .cse11 .cse13 .cse4) (or .cse1 .cse2 .cse12 .cse11 .cse13 .cse8 .cse4) (or .cse1 .cse2 .cse3 .cse8 .cse4 .cse5) (or (not (<= 2 ~slow_clk_edge~0)) (not (<= 2 ~fast_clk_edge~0)) (not (= 0 |old(~p_dw_st~0)|)) (and .cse10 .cse14) .cse1 (and .cse9 .cse15 .cse14) (and .cse16 .cse10) .cse11 .cse4)))) [2020-07-21 20:57:25,291 INFO L268 CegarLoopResult]: For program point L429(lines 429 436) no Hoare annotation was computed. [2020-07-21 20:57:25,291 INFO L264 CegarLoopResult]: At program point L425(lines 400 440) the Hoare annotation is: (let ((.cse9 (<= 2 ~c_dr_st~0)) (.cse10 (<= ~c_dr_pc~0 0)) (.cse18 (= 1 ~p_dw_i~0)) (.cse15 (<= 2 ~p_dw_pc~0)) (.cse16 (<= ~c_dr_pc~0 1)) (.cse17 (= 1 ~p_dw_pc~0))) (let ((.cse6 (and .cse16 .cse17)) (.cse7 (and .cse16 .cse18 .cse15)) (.cse0 (not (= 1 |old(~p_dw_pc~0)|))) (.cse12 (and .cse17 .cse18 .cse10)) (.cse13 (and .cse18 .cse10 .cse15)) (.cse2 (and .cse9 .cse16 .cse18 .cse15)) (.cse3 (not (<= 2 |old(~c_dr_st~0)|))) (.cse8 (not (<= 2 |old(~p_dw_pc~0)|))) (.cse4 (and .cse9 .cse16 .cse17 .cse18)) (.cse5 (not (<= |old(~c_dr_pc~0)| 1))) (.cse1 (not .cse18)) (.cse11 (not (<= |old(~c_dr_pc~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse6 .cse7 .cse5) (or .cse1 .cse6 .cse7 .cse8 .cse5) (or .cse1 (and .cse9 .cse10) .cse11 .cse3) (or .cse0 .cse1 .cse2 .cse12 .cse11 .cse13 .cse4) (or .cse1 .cse2 .cse12 .cse11 .cse13 .cse8 .cse4) (or .cse1 .cse2 .cse3 .cse8 .cse4 .cse5) (let ((.cse14 (= 0 ~p_dw_st~0))) (or (not (<= 2 ~slow_clk_edge~0)) (not (<= 2 ~fast_clk_edge~0)) (not (= 0 |old(~p_dw_st~0)|)) (and .cse14 .cse10) (and .cse10 .cse15) .cse1 (and .cse9 .cse16 .cse15) (and .cse17 .cse10) (and .cse9 .cse16 .cse14) .cse11 (and .cse9 .cse16 .cse17)))))) [2020-07-21 20:57:25,291 INFO L271 CegarLoopResult]: At program point L462(lines 451 464) the Hoare annotation is: true [2020-07-21 20:57:25,291 INFO L268 CegarLoopResult]: For program point L455(lines 455 460) no Hoare annotation was computed. [2020-07-21 20:57:25,292 INFO L268 CegarLoopResult]: For program point stop_simulationEXIT(lines 447 465) no Hoare annotation was computed. [2020-07-21 20:57:25,292 INFO L271 CegarLoopResult]: At program point L453(line 453) the Hoare annotation is: true [2020-07-21 20:57:25,292 INFO L268 CegarLoopResult]: For program point L453-1(line 453) no Hoare annotation was computed. [2020-07-21 20:57:25,292 INFO L271 CegarLoopResult]: At program point stop_simulationENTRY(lines 447 465) the Hoare annotation is: true [2020-07-21 20:57:25,292 INFO L268 CegarLoopResult]: For program point stop_simulationFINAL(lines 447 465) no Hoare annotation was computed. [2020-07-21 20:57:25,292 INFO L268 CegarLoopResult]: For program point L96(lines 96 101) no Hoare annotation was computed. [2020-07-21 20:57:25,292 INFO L268 CegarLoopResult]: For program point L95-1(lines 95 104) no Hoare annotation was computed. [2020-07-21 20:57:25,292 INFO L271 CegarLoopResult]: At program point is_do_read_c_triggeredENTRY(lines 81 109) the Hoare annotation is: true [2020-07-21 20:57:25,292 INFO L268 CegarLoopResult]: For program point L86(lines 86 91) no Hoare annotation was computed. [2020-07-21 20:57:25,293 INFO L268 CegarLoopResult]: For program point L85(lines 85 94) no Hoare annotation was computed. [2020-07-21 20:57:25,293 INFO L268 CegarLoopResult]: For program point L85-2(lines 84 108) no Hoare annotation was computed. [2020-07-21 20:57:25,293 INFO L268 CegarLoopResult]: For program point is_do_read_c_triggeredFINAL(lines 81 109) no Hoare annotation was computed. [2020-07-21 20:57:25,293 INFO L264 CegarLoopResult]: At program point L106(lines 84 108) the Hoare annotation is: (let ((.cse2 (not (<= ~c_dr_pc~0 1))) (.cse4 (not (<= 2 ~p_dw_pc~0))) (.cse0 (not (<= 2 ~slow_clk_edge~0))) (.cse5 (not (= 1 ~p_dw_pc~0))) (.cse6 (not (<= ~c_dr_pc~0 0))) (.cse1 (not (= 1 ~p_dw_i~0))) (.cse3 (= 0 is_do_read_c_triggered_~__retres1~1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse2 .cse3) (or .cse6 .cse1 .cse3 .cse4) (or .cse6 .cse0 (not (= 0 ~p_dw_st~0)) (not (<= 2 ~fast_clk_edge~0)) .cse1 .cse3) (or .cse6 .cse1 .cse3 (not (<= 2 ~c_dr_st~0))) (or .cse5 .cse6 .cse1 .cse3))) [2020-07-21 20:57:25,293 INFO L268 CegarLoopResult]: For program point is_do_read_c_triggeredEXIT(lines 81 109) no Hoare annotation was computed. [2020-07-21 20:57:25,293 INFO L271 CegarLoopResult]: At program point update_channelsENTRY(lines 244 258) the Hoare annotation is: true [2020-07-21 20:57:25,293 INFO L268 CegarLoopResult]: For program point update_channelsEXIT(lines 244 258) no Hoare annotation was computed. [2020-07-21 20:57:25,294 INFO L271 CegarLoopResult]: At program point L250(line 250) the Hoare annotation is: true [2020-07-21 20:57:25,294 INFO L268 CegarLoopResult]: For program point L248(lines 244 258) no Hoare annotation was computed. [2020-07-21 20:57:25,294 INFO L271 CegarLoopResult]: At program point fire_delta_eventsENTRY(lines 297 314) the Hoare annotation is: true [2020-07-21 20:57:25,294 INFO L268 CegarLoopResult]: For program point L306-1(lines 297 314) no Hoare annotation was computed. [2020-07-21 20:57:25,294 INFO L268 CegarLoopResult]: For program point L301-1(lines 300 313) no Hoare annotation was computed. [2020-07-21 20:57:25,294 INFO L268 CegarLoopResult]: For program point fire_delta_eventsEXIT(lines 297 314) no Hoare annotation was computed. [2020-07-21 20:57:25,294 INFO L264 CegarLoopResult]: At program point L481-1(lines 478 518) the Hoare annotation is: (let ((.cse0 (<= ~c_dr_pc~0 1)) (.cse1 (<= ~c_dr_pc~0 0))) (or (not (= 0 |old(~p_dw_st~0)|)) (and .cse0 (<= 2 ~p_dw_pc~0)) (not (= 1 ~p_dw_i~0)) (and (<= 2 ~c_dr_st~0) .cse1) (and .cse0 (= 1 ~p_dw_pc~0)) (not (<= |old(~c_dr_pc~0)| 0)) (and (= 0 ~p_dw_st~0) (<= 2 ~fast_clk_edge~0) (<= 2 ~slow_clk_edge~0) .cse1) (not (<= 2 |old(~slow_clk_edge~0)|)) (not (<= |old(~p_dw_pc~0)| 0)) (not (<= 2 |old(~fast_clk_edge~0)|)))) [2020-07-21 20:57:25,294 INFO L264 CegarLoopResult]: At program point L477(line 477) the Hoare annotation is: (let ((.cse0 (= 0 ~p_dw_st~0)) (.cse1 (<= ~c_dr_pc~0 0))) (or (not (= 0 |old(~p_dw_st~0)|)) (not (= 1 ~p_dw_i~0)) (not (<= |old(~c_dr_pc~0)| 0)) (and (<= 2 ~c_dr_st~0) .cse0 .cse1) (not (<= 2 |old(~slow_clk_edge~0)|)) (and (<= ~p_dw_pc~0 0) .cse0 (<= 2 ~fast_clk_edge~0) (<= 2 ~slow_clk_edge~0) .cse1) (not (<= |old(~p_dw_pc~0)| 0)) (not (<= 2 |old(~fast_clk_edge~0)|)))) [2020-07-21 20:57:25,294 INFO L264 CegarLoopResult]: At program point L475(line 475) the Hoare annotation is: (let ((.cse0 (= 0 ~p_dw_st~0)) (.cse1 (<= ~c_dr_pc~0 0))) (or (not (= 0 |old(~p_dw_st~0)|)) (not (= 1 ~p_dw_i~0)) (not (<= |old(~c_dr_pc~0)| 0)) (and (<= 2 ~c_dr_st~0) .cse0 .cse1) (not (<= 2 |old(~slow_clk_edge~0)|)) (and (<= ~p_dw_pc~0 0) .cse0 (<= 2 ~fast_clk_edge~0) (<= 2 ~slow_clk_edge~0) .cse1) (not (<= |old(~p_dw_pc~0)| 0)) (not (<= 2 |old(~fast_clk_edge~0)|)))) [2020-07-21 20:57:25,295 INFO L268 CegarLoopResult]: For program point start_simulationEXIT(lines 466 524) no Hoare annotation was computed. [2020-07-21 20:57:25,295 INFO L264 CegarLoopResult]: At program point L504(line 504) the Hoare annotation is: (let ((.cse0 (<= ~c_dr_pc~0 1))) (or (not (= 0 |old(~p_dw_st~0)|)) (and .cse0 (<= 2 ~p_dw_pc~0)) (not (= 1 ~p_dw_i~0)) (and (<= 2 ~c_dr_st~0) (<= ~c_dr_pc~0 0)) (and .cse0 (= 1 ~p_dw_pc~0)) (not (<= |old(~c_dr_pc~0)| 0)) (not (<= 2 |old(~slow_clk_edge~0)|)) (not (<= |old(~p_dw_pc~0)| 0)) (not (<= 2 |old(~fast_clk_edge~0)|)))) [2020-07-21 20:57:25,295 INFO L268 CegarLoopResult]: For program point L500(lines 500 509) no Hoare annotation was computed. [2020-07-21 20:57:25,295 INFO L264 CegarLoopResult]: At program point L500-1(lines 500 509) the Hoare annotation is: (let ((.cse0 (<= ~c_dr_pc~0 1))) (or (not (= 0 |old(~p_dw_st~0)|)) (and .cse0 (<= 2 ~p_dw_pc~0)) (not (= 1 ~p_dw_i~0)) (and (<= 2 ~c_dr_st~0) (<= ~c_dr_pc~0 0)) (and .cse0 (= 1 ~p_dw_pc~0)) (not (<= |old(~c_dr_pc~0)| 0)) (not (<= 2 |old(~slow_clk_edge~0)|)) (not (<= |old(~p_dw_pc~0)| 0)) (not (<= 2 |old(~fast_clk_edge~0)|)))) [2020-07-21 20:57:25,295 INFO L268 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-07-21 20:57:25,295 INFO L264 CegarLoopResult]: At program point L494(line 494) the Hoare annotation is: (let ((.cse0 (<= ~c_dr_pc~0 1))) (or (not (= 0 |old(~p_dw_st~0)|)) (and .cse0 (<= 2 ~p_dw_pc~0)) (not (= 1 ~p_dw_i~0)) (and (<= 2 ~c_dr_st~0) (<= ~c_dr_pc~0 0)) (and .cse0 (= 1 ~p_dw_pc~0)) (not (<= |old(~c_dr_pc~0)| 0)) (not (<= 2 |old(~slow_clk_edge~0)|)) (not (<= |old(~p_dw_pc~0)| 0)) (not (<= 2 |old(~fast_clk_edge~0)|)))) [2020-07-21 20:57:25,295 INFO L271 CegarLoopResult]: At program point L519(lines 466 524) the Hoare annotation is: true [2020-07-21 20:57:25,295 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-21 20:57:25,295 INFO L268 CegarLoopResult]: For program point L513(lines 513 517) no Hoare annotation was computed. [2020-07-21 20:57:25,296 INFO L264 CegarLoopResult]: At program point start_simulationENTRY(lines 466 524) the Hoare annotation is: (or (not (= 0 |old(~p_dw_st~0)|)) (not (= 1 ~p_dw_i~0)) (not (<= |old(~c_dr_pc~0)| 0)) (not (<= 2 |old(~slow_clk_edge~0)|)) (and (<= ~p_dw_pc~0 0) (= 0 ~p_dw_st~0) (<= 2 ~fast_clk_edge~0) (<= 2 ~slow_clk_edge~0) (<= ~c_dr_pc~0 0)) (not (<= |old(~p_dw_pc~0)| 0)) (not (<= 2 |old(~fast_clk_edge~0)|))) [2020-07-21 20:57:25,296 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-21 20:57:25,296 INFO L264 CegarLoopResult]: At program point L476(line 476) the Hoare annotation is: (let ((.cse0 (= 0 ~p_dw_st~0)) (.cse1 (<= ~c_dr_pc~0 0))) (or (not (= 0 |old(~p_dw_st~0)|)) (not (= 1 ~p_dw_i~0)) (not (<= |old(~c_dr_pc~0)| 0)) (and (<= 2 ~c_dr_st~0) .cse0 .cse1) (not (<= 2 |old(~slow_clk_edge~0)|)) (and (<= ~p_dw_pc~0 0) .cse0 (<= 2 ~fast_clk_edge~0) (<= 2 ~slow_clk_edge~0) .cse1) (not (<= |old(~p_dw_pc~0)| 0)) (not (<= 2 |old(~fast_clk_edge~0)|)))) [2020-07-21 20:57:25,296 INFO L264 CegarLoopResult]: At program point L474(line 474) the Hoare annotation is: (or (not (= 0 |old(~p_dw_st~0)|)) (not (= 1 ~p_dw_i~0)) (not (<= |old(~c_dr_pc~0)| 0)) (not (<= 2 |old(~slow_clk_edge~0)|)) (and (<= ~p_dw_pc~0 0) (= 0 ~p_dw_st~0) (<= 2 ~fast_clk_edge~0) (<= 2 ~slow_clk_edge~0) (<= ~c_dr_pc~0 0)) (not (<= |old(~p_dw_pc~0)| 0)) (not (<= 2 |old(~fast_clk_edge~0)|))) [2020-07-21 20:57:25,296 INFO L264 CegarLoopResult]: At program point L474-1(line 474) the Hoare annotation is: (or (not (= 0 |old(~p_dw_st~0)|)) (not (= 1 ~p_dw_i~0)) (not (<= |old(~c_dr_pc~0)| 0)) (not (<= 2 |old(~slow_clk_edge~0)|)) (and (<= ~p_dw_pc~0 0) (= 0 ~p_dw_st~0) (<= 2 ~fast_clk_edge~0) (<= 2 ~slow_clk_edge~0) (<= ~c_dr_pc~0 0)) (not (<= |old(~p_dw_pc~0)| 0)) (not (<= 2 |old(~fast_clk_edge~0)|))) [2020-07-21 20:57:25,296 INFO L264 CegarLoopResult]: At program point L503(line 503) the Hoare annotation is: (let ((.cse0 (<= ~c_dr_pc~0 1))) (or (not (= 0 |old(~p_dw_st~0)|)) (and .cse0 (<= 2 ~p_dw_pc~0)) (not (= 1 ~p_dw_i~0)) (and (<= 2 ~c_dr_st~0) (<= ~c_dr_pc~0 0)) (and .cse0 (= 1 ~p_dw_pc~0)) (not (<= |old(~c_dr_pc~0)| 0)) (not (<= 2 |old(~slow_clk_edge~0)|)) (not (<= |old(~p_dw_pc~0)| 0)) (not (<= 2 |old(~fast_clk_edge~0)|)))) [2020-07-21 20:57:25,296 INFO L264 CegarLoopResult]: At program point L503-1(line 503) the Hoare annotation is: (let ((.cse0 (<= ~c_dr_pc~0 1))) (or (not (= 0 |old(~p_dw_st~0)|)) (and .cse0 (<= 2 ~p_dw_pc~0)) (not (= 1 ~p_dw_i~0)) (and (<= 2 ~c_dr_st~0) (<= ~c_dr_pc~0 0)) (and .cse0 (= 1 ~p_dw_pc~0)) (not (<= |old(~c_dr_pc~0)| 0)) (not (<= 2 |old(~slow_clk_edge~0)|)) (not (<= |old(~p_dw_pc~0)| 0)) (not (<= 2 |old(~fast_clk_edge~0)|)))) [2020-07-21 20:57:25,296 INFO L264 CegarLoopResult]: At program point L495(line 495) the Hoare annotation is: (let ((.cse0 (<= ~c_dr_pc~0 1))) (or (not (= 0 |old(~p_dw_st~0)|)) (and .cse0 (<= 2 ~p_dw_pc~0)) (not (= 1 ~p_dw_i~0)) (and (<= 2 ~c_dr_st~0) (<= ~c_dr_pc~0 0)) (and .cse0 (= 1 ~p_dw_pc~0)) (not (<= |old(~c_dr_pc~0)| 0)) (not (<= 2 |old(~slow_clk_edge~0)|)) (not (<= |old(~p_dw_pc~0)| 0)) (not (<= 2 |old(~fast_clk_edge~0)|)))) [2020-07-21 20:57:25,296 INFO L264 CegarLoopResult]: At program point L493(line 493) the Hoare annotation is: (let ((.cse0 (<= ~c_dr_pc~0 1))) (or (not (= 0 |old(~p_dw_st~0)|)) (and .cse0 (<= 2 ~p_dw_pc~0)) (not (= 1 ~p_dw_i~0)) (and (<= 2 ~c_dr_st~0) (<= ~c_dr_pc~0 0)) (and .cse0 (= 1 ~p_dw_pc~0)) (not (<= |old(~c_dr_pc~0)| 0)) (not (<= 2 |old(~slow_clk_edge~0)|)) (not (<= |old(~p_dw_pc~0)| 0)) (not (<= 2 |old(~fast_clk_edge~0)|)))) [2020-07-21 20:57:25,297 INFO L264 CegarLoopResult]: At program point L493-1(line 493) the Hoare annotation is: (let ((.cse0 (<= ~c_dr_pc~0 1))) (or (not (= 0 |old(~p_dw_st~0)|)) (and .cse0 (<= 2 ~p_dw_pc~0)) (not (= 1 ~p_dw_i~0)) (and (<= 2 ~c_dr_st~0) (<= ~c_dr_pc~0 0)) (and .cse0 (= 1 ~p_dw_pc~0)) (not (<= |old(~c_dr_pc~0)| 0)) (not (<= 2 |old(~slow_clk_edge~0)|)) (not (<= |old(~p_dw_pc~0)| 0)) (not (<= 2 |old(~fast_clk_edge~0)|)))) [2020-07-21 20:57:25,297 INFO L264 CegarLoopResult]: At program point L489(line 489) the Hoare annotation is: (let ((.cse0 (<= ~c_dr_pc~0 1))) (or (not (= 0 |old(~p_dw_st~0)|)) (and .cse0 (<= 2 ~p_dw_pc~0)) (not (= 1 ~p_dw_i~0)) (and (<= 2 ~c_dr_st~0) (<= ~c_dr_pc~0 0)) (and .cse0 (= 1 ~p_dw_pc~0)) (not (<= |old(~c_dr_pc~0)| 0)) (not (<= 2 |old(~slow_clk_edge~0)|)) (not (<= |old(~p_dw_pc~0)| 0)) (not (<= 2 |old(~fast_clk_edge~0)|)))) [2020-07-21 20:57:25,297 INFO L268 CegarLoopResult]: For program point L489-1(line 489) no Hoare annotation was computed. [2020-07-21 20:57:25,297 INFO L264 CegarLoopResult]: At program point L485(line 485) the Hoare annotation is: (let ((.cse0 (<= ~c_dr_pc~0 1)) (.cse1 (<= ~c_dr_pc~0 0))) (or (not (= 0 |old(~p_dw_st~0)|)) (and .cse0 (<= 2 ~p_dw_pc~0)) (not (= 1 ~p_dw_i~0)) (and (<= 2 ~c_dr_st~0) .cse1) (and .cse0 (= 1 ~p_dw_pc~0)) (not (<= |old(~c_dr_pc~0)| 0)) (and (= 0 ~p_dw_st~0) (<= 2 ~fast_clk_edge~0) (<= 2 ~slow_clk_edge~0) .cse1) (not (<= 2 |old(~slow_clk_edge~0)|)) (not (<= |old(~p_dw_pc~0)| 0)) (not (<= 2 |old(~fast_clk_edge~0)|)))) [2020-07-21 20:57:25,297 INFO L268 CegarLoopResult]: For program point L485-1(line 485) no Hoare annotation was computed. [2020-07-21 20:57:25,297 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 20:57:25,297 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~p_dw_pc~0 0) (= 0 ~p_dw_st~0) (<= ~c_dr_pc~0 0)) [2020-07-21 20:57:25,297 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 20:57:25,297 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 20:57:25,297 INFO L268 CegarLoopResult]: For program point L66-1(lines 66 75) no Hoare annotation was computed. [2020-07-21 20:57:25,297 INFO L268 CegarLoopResult]: For program point L57(lines 57 62) no Hoare annotation was computed. [2020-07-21 20:57:25,297 INFO L268 CegarLoopResult]: For program point L56(lines 56 65) no Hoare annotation was computed. [2020-07-21 20:57:25,297 INFO L268 CegarLoopResult]: For program point L56-2(lines 55 79) no Hoare annotation was computed. [2020-07-21 20:57:25,298 INFO L268 CegarLoopResult]: For program point is_do_write_p_triggeredFINAL(lines 52 80) no Hoare annotation was computed. [2020-07-21 20:57:25,298 INFO L268 CegarLoopResult]: For program point is_do_write_p_triggeredEXIT(lines 52 80) no Hoare annotation was computed. [2020-07-21 20:57:25,298 INFO L264 CegarLoopResult]: At program point L77(lines 55 79) the Hoare annotation is: (let ((.cse0 (not (<= 2 ~fast_clk_edge~0))) (.cse1 (= 0 is_do_write_p_triggered_~__retres1~0)) (.cse2 (not (= 1 ~p_dw_i~0)))) (and (or (not (<= ~p_dw_pc~0 0)) (not (<= ~c_dr_pc~0 0)) (not (<= 2 ~slow_clk_edge~0)) (not (= 0 ~p_dw_st~0)) .cse0 .cse1 .cse2) (or (not (= 1 ~p_dw_pc~0)) .cse0 .cse1 .cse2 (not (<= ~c_dr_pc~0 1))))) [2020-07-21 20:57:25,298 INFO L271 CegarLoopResult]: At program point is_do_write_p_triggeredENTRY(lines 52 80) the Hoare annotation is: true [2020-07-21 20:57:25,298 INFO L268 CegarLoopResult]: For program point L67(lines 67 72) no Hoare annotation was computed. [2020-07-21 20:57:25,298 INFO L268 CegarLoopResult]: For program point reset_time_eventsEXIT(lines 351 368) no Hoare annotation was computed. [2020-07-21 20:57:25,298 INFO L268 CegarLoopResult]: For program point L360-1(lines 351 368) no Hoare annotation was computed. [2020-07-21 20:57:25,298 INFO L264 CegarLoopResult]: At program point reset_time_eventsENTRY(lines 351 368) the Hoare annotation is: (let ((.cse0 (not (= 1 ~p_dw_i~0))) (.cse1 (not (<= ~c_dr_pc~0 1))) (.cse2 (<= 2 ~slow_clk_edge~0)) (.cse3 (not (<= 2 |old(~slow_clk_edge~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 ~p_dw_pc~0))) (or (not (= 1 ~p_dw_pc~0)) .cse0 .cse1 .cse2 .cse3))) [2020-07-21 20:57:25,298 INFO L268 CegarLoopResult]: For program point L355-1(lines 354 367) no Hoare annotation was computed. [2020-07-21 20:57:25,298 INFO L268 CegarLoopResult]: For program point L225(lines 225 231) no Hoare annotation was computed. [2020-07-21 20:57:25,298 INFO L268 CegarLoopResult]: For program point L192(lines 192 196) no Hoare annotation was computed. [2020-07-21 20:57:25,298 INFO L268 CegarLoopResult]: For program point do_read_cEXIT(lines 185 243) no Hoare annotation was computed. [2020-07-21 20:57:25,298 INFO L264 CegarLoopResult]: At program point L238(lines 185 243) the Hoare annotation is: (let ((.cse0 (and (<= 2 ~c_dr_st~0) (<= ~c_dr_pc~0 1))) (.cse1 (not (= 1 ~p_dw_i~0))) (.cse2 (not (<= |old(~c_dr_pc~0)| 1)))) (and (or .cse0 (not (<= 2 ~slow_clk_edge~0)) (not (= 0 ~p_dw_st~0)) (not (<= 2 ~fast_clk_edge~0)) .cse1 (not (<= |old(~c_dr_pc~0)| 0))) (or (not (= 1 ~p_dw_pc~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~p_dw_pc~0))))) [2020-07-21 20:57:25,299 INFO L264 CegarLoopResult]: At program point L234(line 234) the Hoare annotation is: (let ((.cse0 (not (= 1 ~p_dw_i~0))) (.cse1 (not (<= |old(~c_dr_pc~0)| 1)))) (and (or (not (<= 2 ~slow_clk_edge~0)) (not (= 0 ~p_dw_st~0)) (not (<= 2 ~fast_clk_edge~0)) .cse0 (not (<= |old(~c_dr_pc~0)| 0))) (or (not (= 1 ~p_dw_pc~0)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~p_dw_pc~0))))) [2020-07-21 20:57:25,299 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-07-21 20:57:25,299 INFO L264 CegarLoopResult]: At program point L234-1(lines 188 242) the Hoare annotation is: (let ((.cse0 (<= ~c_dr_pc~0 1)) (.cse1 (not (= 1 ~p_dw_i~0))) (.cse2 (not (<= |old(~c_dr_pc~0)| 1)))) (and (or (not (= 1 ~p_dw_pc~0)) .cse0 .cse1 .cse2) (or (not (<= 2 ~slow_clk_edge~0)) (not (= 0 ~p_dw_st~0)) (not (<= 2 ~fast_clk_edge~0)) .cse0 .cse1 (not (<= |old(~c_dr_pc~0)| 0))) (or .cse0 .cse1 .cse2 (not (<= 2 ~p_dw_pc~0))))) [2020-07-21 20:57:25,299 INFO L264 CegarLoopResult]: At program point L193(lines 188 242) the Hoare annotation is: (let ((.cse0 (not (= 1 ~p_dw_i~0))) (.cse1 (not (<= |old(~c_dr_pc~0)| 1)))) (and (or (not (<= 2 ~slow_clk_edge~0)) (not (= 0 ~p_dw_st~0)) (not (<= 2 ~fast_clk_edge~0)) .cse0 (not (<= |old(~c_dr_pc~0)| 0))) (or (not (= 1 ~p_dw_pc~0)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~p_dw_pc~0))))) [2020-07-21 20:57:25,299 INFO L268 CegarLoopResult]: For program point L224(lines 224 236) no Hoare annotation was computed. [2020-07-21 20:57:25,299 INFO L268 CegarLoopResult]: For program point L189(lines 189 197) no Hoare annotation was computed. [2020-07-21 20:57:25,299 INFO L264 CegarLoopResult]: At program point do_read_cENTRY(lines 185 243) the Hoare annotation is: (let ((.cse1 (<= ~c_dr_pc~0 1)) (.cse3 (not (<= |old(~c_dr_pc~0)| 1))) (.cse6 (not (<= 2 ~p_dw_pc~0))) (.cse0 (not (= 1 ~p_dw_pc~0))) (.cse2 (not (= 1 ~p_dw_i~0))) (.cse4 (not (<= |old(~c_dr_pc~0)| 0))) (.cse5 (<= ~c_dr_pc~0 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= 2 ~slow_clk_edge~0)) (not (= 0 ~p_dw_st~0)) (not (<= 2 ~fast_clk_edge~0)) .cse2 .cse4 .cse5) (or .cse2 .cse4 .cse5 .cse6) (or .cse1 .cse2 .cse3 .cse6) (or .cse0 .cse2 .cse4 .cse5))) [2020-07-21 20:57:25,299 INFO L268 CegarLoopResult]: For program point L208-1(lines 208 218) no Hoare annotation was computed. [2020-07-21 20:57:25,300 INFO L264 CegarLoopResult]: At program point L229(line 229) the Hoare annotation is: (let ((.cse0 (not (= 1 ~p_dw_i~0))) (.cse1 (not (<= |old(~c_dr_pc~0)| 1)))) (and (or (not (<= 2 ~slow_clk_edge~0)) (not (= 0 ~p_dw_st~0)) (not (<= 2 ~fast_clk_edge~0)) .cse0 (not (<= |old(~c_dr_pc~0)| 0))) (or (not (= 1 ~p_dw_pc~0)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~p_dw_pc~0))))) [2020-07-21 20:57:25,300 INFO L268 CegarLoopResult]: For program point init_modelFINAL(lines 525 543) no Hoare annotation was computed. [2020-07-21 20:57:25,300 INFO L268 CegarLoopResult]: For program point init_modelEXIT(lines 525 543) no Hoare annotation was computed. [2020-07-21 20:57:25,300 INFO L264 CegarLoopResult]: At program point init_modelENTRY(lines 525 543) the Hoare annotation is: (or (and (<= ~p_dw_pc~0 0) (<= ~c_dr_pc~0 0)) (not (= 0 ~p_dw_st~0)) (not (<= |old(~c_dr_pc~0)| 0)) (not (<= |old(~p_dw_pc~0)| 0))) [2020-07-21 20:57:25,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 08:57:25 BoogieIcfgContainer [2020-07-21 20:57:25,362 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 20:57:25,366 INFO L168 Benchmark]: Toolchain (without parser) took 23969.32 ms. Allocated memory was 140.0 MB in the beginning and 654.8 MB in the end (delta: 514.9 MB). Free memory was 104.1 MB in the beginning and 469.7 MB in the end (delta: -365.6 MB). Peak memory consumption was 534.0 MB. Max. memory is 7.1 GB. [2020-07-21 20:57:25,367 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory is still 122.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-21 20:57:25,367 INFO L168 Benchmark]: CACSL2BoogieTranslator took 440.43 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 103.7 MB in the beginning and 179.6 MB in the end (delta: -75.9 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2020-07-21 20:57:25,368 INFO L168 Benchmark]: Boogie Preprocessor took 58.27 ms. Allocated memory is still 203.9 MB. Free memory was 179.6 MB in the beginning and 177.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-07-21 20:57:25,370 INFO L168 Benchmark]: RCFGBuilder took 670.81 ms. Allocated memory is still 203.9 MB. Free memory was 177.7 MB in the beginning and 141.8 MB in the end (delta: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 7.1 GB. [2020-07-21 20:57:25,371 INFO L168 Benchmark]: TraceAbstraction took 22794.50 ms. Allocated memory was 203.9 MB in the beginning and 654.8 MB in the end (delta: 450.9 MB). Free memory was 141.8 MB in the beginning and 469.7 MB in the end (delta: -328.0 MB). Peak memory consumption was 507.7 MB. Max. memory is 7.1 GB. [2020-07-21 20:57:25,377 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory is still 122.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 440.43 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 103.7 MB in the beginning and 179.6 MB in the end (delta: -75.9 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 58.27 ms. Allocated memory is still 203.9 MB. Free memory was 179.6 MB in the beginning and 177.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 670.81 ms. Allocated memory is still 203.9 MB. Free memory was 177.7 MB in the beginning and 141.8 MB in the end (delta: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22794.50 ms. Allocated memory was 203.9 MB in the beginning and 654.8 MB in the end (delta: 450.9 MB). Free memory was 141.8 MB in the beginning and 469.7 MB in the end (delta: -328.0 MB). Peak memory consumption was 507.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 9]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: (((((!(2 <= slow_clk_edge) || !(0 == p_dw_st)) || !(2 <= fast_clk_edge)) || !(1 == p_dw_i)) || !(\old(c_dr_pc) <= 0)) && ((!(1 == p_dw_pc) || !(1 == p_dw_i)) || !(\old(c_dr_pc) <= 1))) && ((!(1 == p_dw_i) || !(\old(c_dr_pc) <= 1)) || !(2 <= p_dw_pc)) - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: ((((((!(p_dw_pc <= 0) || !(c_dr_pc <= 0)) || !(2 <= slow_clk_edge)) || !(0 == p_dw_st)) || !(2 <= fast_clk_edge)) || 0 == __retres1) || !(1 == p_dw_i)) && ((((!(1 == p_dw_pc) || !(2 <= fast_clk_edge)) || 0 == __retres1) || !(1 == p_dw_i)) || !(c_dr_pc <= 1)) - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: (((((((((((!(1 == \old(p_dw_pc)) || !(1 == p_dw_i)) || (((2 <= c_dr_st && c_dr_pc <= 1) && 1 == p_dw_i) && 2 <= p_dw_pc)) || !(2 <= \old(c_dr_st))) || (((2 <= c_dr_st && c_dr_pc <= 1) && 1 == p_dw_pc) && 1 == p_dw_i)) || !(\old(c_dr_pc) <= 1)) && ((((!(1 == \old(p_dw_pc)) || !(1 == p_dw_i)) || (c_dr_pc <= 1 && 1 == p_dw_pc)) || ((c_dr_pc <= 1 && 1 == p_dw_i) && 2 <= p_dw_pc)) || !(\old(c_dr_pc) <= 1))) && ((((!(1 == p_dw_i) || (c_dr_pc <= 1 && 1 == p_dw_pc)) || ((c_dr_pc <= 1 && 1 == p_dw_i) && 2 <= p_dw_pc)) || !(2 <= \old(p_dw_pc))) || !(\old(c_dr_pc) <= 1))) && (((!(1 == p_dw_i) || (2 <= c_dr_st && c_dr_pc <= 0)) || !(\old(c_dr_pc) <= 0)) || !(2 <= \old(c_dr_st)))) && ((((((!(1 == \old(p_dw_pc)) || !(1 == p_dw_i)) || (((2 <= c_dr_st && c_dr_pc <= 1) && 1 == p_dw_i) && 2 <= p_dw_pc)) || ((1 == p_dw_pc && 1 == p_dw_i) && c_dr_pc <= 0)) || !(\old(c_dr_pc) <= 0)) || ((1 == p_dw_i && c_dr_pc <= 0) && 2 <= p_dw_pc)) || (((2 <= c_dr_st && c_dr_pc <= 1) && 1 == p_dw_pc) && 1 == p_dw_i))) && ((((((!(1 == p_dw_i) || (((2 <= c_dr_st && c_dr_pc <= 1) && 1 == p_dw_i) && 2 <= p_dw_pc)) || ((1 == p_dw_pc && 1 == p_dw_i) && c_dr_pc <= 0)) || !(\old(c_dr_pc) <= 0)) || ((1 == p_dw_i && c_dr_pc <= 0) && 2 <= p_dw_pc)) || !(2 <= \old(p_dw_pc))) || (((2 <= c_dr_st && c_dr_pc <= 1) && 1 == p_dw_pc) && 1 == p_dw_i))) && (((((!(1 == p_dw_i) || (((2 <= c_dr_st && c_dr_pc <= 1) && 1 == p_dw_i) && 2 <= p_dw_pc)) || !(2 <= \old(c_dr_st))) || !(2 <= \old(p_dw_pc))) || (((2 <= c_dr_st && c_dr_pc <= 1) && 1 == p_dw_pc) && 1 == p_dw_i)) || !(\old(c_dr_pc) <= 1))) && ((((((((!(2 <= slow_clk_edge) || !(2 <= fast_clk_edge)) || !(0 == \old(p_dw_st))) || (c_dr_pc <= 0 && 2 <= p_dw_pc)) || !(1 == p_dw_i)) || ((2 <= c_dr_st && c_dr_pc <= 1) && 2 <= p_dw_pc)) || (1 == p_dw_pc && c_dr_pc <= 0)) || !(\old(c_dr_pc) <= 0)) || (((2 <= c_dr_st && c_dr_pc <= 1) && 1 == p_dw_pc) && 1 == p_dw_i)) - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: (((((((!(c_dr_pc <= 0) || !(2 <= slow_clk_edge)) || !(2 <= fast_clk_edge)) || !(1 == p_dw_i)) || 1 == p_dw_pc) || !(\old(p_dw_pc) <= 0)) && ((((!(1 == \old(p_dw_pc)) || !(1 == p_dw_i)) || 1 == p_dw_pc) || !(c_dr_pc <= 1)) || 2 <= p_dw_pc)) && ((((((!(2 <= slow_clk_edge) || !(2 <= fast_clk_edge)) || !(1 == p_dw_i)) || 1 == p_dw_pc) || !(c_dr_pc <= 1)) || !(2 <= c_dr_st)) || !(\old(p_dw_pc) <= 0))) && (((!(1 == p_dw_i) || 1 == p_dw_pc) || !(c_dr_pc <= 1)) || !(2 <= \old(p_dw_pc))) - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: ((((!(1 == p_dw_pc) || c_dr_pc <= 1) || !(1 == p_dw_i)) || !(\old(c_dr_pc) <= 1)) && (((((!(2 <= slow_clk_edge) || !(0 == p_dw_st)) || !(2 <= fast_clk_edge)) || c_dr_pc <= 1) || !(1 == p_dw_i)) || !(\old(c_dr_pc) <= 0))) && (((c_dr_pc <= 1 || !(1 == p_dw_i)) || !(\old(c_dr_pc) <= 1)) || !(2 <= p_dw_pc)) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (((((((!(2 <= slow_clk_edge) || !(2 <= fast_clk_edge)) || !(1 == p_dw_i)) || !(c_dr_pc <= 1)) || !(2 <= c_dr_st)) || !(\old(p_dw_pc) <= 0)) && ((((!(c_dr_pc <= 0) || !(2 <= slow_clk_edge)) || !(2 <= fast_clk_edge)) || !(1 == p_dw_i)) || !(\old(p_dw_pc) <= 0))) && ((!(1 == p_dw_i) || !(c_dr_pc <= 1)) || !(2 <= \old(p_dw_pc)))) && (((!(1 == \old(p_dw_pc)) || !(1 == p_dw_i)) || 1 == p_dw_pc) || !(c_dr_pc <= 1)) - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: ((((((((!(0 == \old(p_dw_st)) || (c_dr_pc <= 1 && 2 <= p_dw_pc)) || !(1 == p_dw_i)) || (2 <= c_dr_st && c_dr_pc <= 0)) || (c_dr_pc <= 1 && 1 == p_dw_pc)) || !(\old(c_dr_pc) <= 0)) || (((0 == p_dw_st && 2 <= fast_clk_edge) && 2 <= slow_clk_edge) && c_dr_pc <= 0)) || !(2 <= \old(slow_clk_edge))) || !(\old(p_dw_pc) <= 0)) || !(2 <= \old(fast_clk_edge)) - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: ((((((((!(c_dr_pc <= 0) || !(2 <= slow_clk_edge)) || !(0 == p_dw_st)) || !(2 <= fast_clk_edge)) || !(1 == p_dw_i)) || 1 <= __retres1) && ((((!(c_dr_pc <= 0) || !(0 == p_dw_st)) || !(1 == p_dw_i)) || 1 <= __retres1) || !(2 <= c_dr_st))) && ((((((!(2 <= slow_clk_edge) || !(0 == p_dw_st)) || !(2 <= fast_clk_edge)) || !(1 == p_dw_i)) || 1 <= __retres1) || !(c_dr_pc <= 1)) || !(2 <= c_dr_st))) && ((((!(0 == p_dw_st) || !(1 == p_dw_i)) || 1 <= __retres1) || !(c_dr_pc <= 1)) || !(2 <= p_dw_pc))) && ((((!(1 == p_dw_pc) || !(0 == p_dw_st)) || !(1 == p_dw_i)) || 1 <= __retres1) || !(c_dr_pc <= 1)) - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (((((!(2 <= slow_clk_edge) || !(2 <= fast_clk_edge)) || !(1 == p_dw_i)) || !(c_dr_pc <= 1)) || !(2 <= c_dr_st)) || !(\old(p_dw_pc) <= 0)) && ((((!(c_dr_pc <= 0) || !(2 <= slow_clk_edge)) || !(2 <= fast_clk_edge)) || !(1 == p_dw_i)) || !(\old(p_dw_pc) <= 0)) - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: (((((((((((!(1 == \old(p_dw_pc)) || !(1 == p_dw_i)) || (((2 <= c_dr_st && c_dr_pc <= 1) && 1 == p_dw_i) && 2 <= p_dw_pc)) || !(2 <= \old(c_dr_st))) || (((2 <= c_dr_st && c_dr_pc <= 1) && 1 == p_dw_pc) && 1 == p_dw_i)) || !(\old(c_dr_pc) <= 1)) && ((((!(1 == \old(p_dw_pc)) || !(1 == p_dw_i)) || (c_dr_pc <= 1 && 1 == p_dw_pc)) || ((c_dr_pc <= 1 && 1 == p_dw_i) && 2 <= p_dw_pc)) || !(\old(c_dr_pc) <= 1))) && ((((!(1 == p_dw_i) || (c_dr_pc <= 1 && 1 == p_dw_pc)) || ((c_dr_pc <= 1 && 1 == p_dw_i) && 2 <= p_dw_pc)) || !(2 <= \old(p_dw_pc))) || !(\old(c_dr_pc) <= 1))) && (((!(1 == p_dw_i) || (2 <= c_dr_st && c_dr_pc <= 0)) || !(\old(c_dr_pc) <= 0)) || !(2 <= \old(c_dr_st)))) && ((((((!(1 == \old(p_dw_pc)) || !(1 == p_dw_i)) || (((2 <= c_dr_st && c_dr_pc <= 1) && 1 == p_dw_i) && 2 <= p_dw_pc)) || ((1 == p_dw_pc && 1 == p_dw_i) && c_dr_pc <= 0)) || !(\old(c_dr_pc) <= 0)) || ((1 == p_dw_i && c_dr_pc <= 0) && 2 <= p_dw_pc)) || (((2 <= c_dr_st && c_dr_pc <= 1) && 1 == p_dw_pc) && 1 == p_dw_i))) && ((((((!(1 == p_dw_i) || (((2 <= c_dr_st && c_dr_pc <= 1) && 1 == p_dw_i) && 2 <= p_dw_pc)) || ((1 == p_dw_pc && 1 == p_dw_i) && c_dr_pc <= 0)) || !(\old(c_dr_pc) <= 0)) || ((1 == p_dw_i && c_dr_pc <= 0) && 2 <= p_dw_pc)) || !(2 <= \old(p_dw_pc))) || (((2 <= c_dr_st && c_dr_pc <= 1) && 1 == p_dw_pc) && 1 == p_dw_i))) && (((((!(1 == p_dw_i) || (((2 <= c_dr_st && c_dr_pc <= 1) && 1 == p_dw_i) && 2 <= p_dw_pc)) || !(2 <= \old(c_dr_st))) || !(2 <= \old(p_dw_pc))) || (((2 <= c_dr_st && c_dr_pc <= 1) && 1 == p_dw_pc) && 1 == p_dw_i)) || !(\old(c_dr_pc) <= 1))) && ((((((((((!(2 <= slow_clk_edge) || !(2 <= fast_clk_edge)) || !(0 == \old(p_dw_st))) || (0 == p_dw_st && c_dr_pc <= 0)) || (c_dr_pc <= 0 && 2 <= p_dw_pc)) || !(1 == p_dw_i)) || ((2 <= c_dr_st && c_dr_pc <= 1) && 2 <= p_dw_pc)) || (1 == p_dw_pc && c_dr_pc <= 0)) || ((2 <= c_dr_st && c_dr_pc <= 1) && 0 == p_dw_st)) || !(\old(c_dr_pc) <= 0)) || ((2 <= c_dr_st && c_dr_pc <= 1) && 1 == p_dw_pc)) - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: ((((((((!(2 <= slow_clk_edge) || !(1 == p_dw_i)) || !(c_dr_pc <= 1)) || 0 == __retres1) || !(2 <= p_dw_pc)) && ((((!(1 == p_dw_pc) || !(2 <= slow_clk_edge)) || !(1 == p_dw_i)) || !(c_dr_pc <= 1)) || 0 == __retres1)) && (((!(c_dr_pc <= 0) || !(1 == p_dw_i)) || 0 == __retres1) || !(2 <= p_dw_pc))) && (((((!(c_dr_pc <= 0) || !(2 <= slow_clk_edge)) || !(0 == p_dw_st)) || !(2 <= fast_clk_edge)) || !(1 == p_dw_i)) || 0 == __retres1)) && (((!(c_dr_pc <= 0) || !(1 == p_dw_i)) || 0 == __retres1) || !(2 <= c_dr_st))) && (((!(1 == p_dw_pc) || !(c_dr_pc <= 0)) || !(1 == p_dw_i)) || 0 == __retres1) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: (((((((2 <= c_dr_st && c_dr_pc <= 1) || !(2 <= slow_clk_edge)) || !(0 == p_dw_st)) || !(2 <= fast_clk_edge)) || !(1 == p_dw_i)) || !(\old(c_dr_pc) <= 0)) && (((!(1 == p_dw_pc) || (2 <= c_dr_st && c_dr_pc <= 1)) || !(1 == p_dw_i)) || !(\old(c_dr_pc) <= 1))) && ((((2 <= c_dr_st && c_dr_pc <= 1) || !(1 == p_dw_i)) || !(\old(c_dr_pc) <= 1)) || !(2 <= p_dw_pc)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 158 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.2s, OverallIterations: 13, TraceHistogramMax: 5, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2875 SDtfs, 1209 SDslu, 3492 SDs, 0 SdLazy, 167 SolverSat, 33 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2085 GetRequests, 2053 SyntacticMatches, 6 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4440occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 192 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 7741 PreInvPairs, 10036 NumberOfFragments, 4298 HoareAnnotationTreeSize, 7741 FomulaSimplifications, 33345 FormulaSimplificationTreeSizeReduction, 3.4s HoareSimplificationTime, 63 FomulaSimplificationsInter, 53750 FormulaSimplificationTreeSizeReductionInter, 10.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 2094 NumberOfCodeBlocks, 1365 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 2081 ConstructedInterpolants, 0 QuantifiedInterpolants, 508109 SizeOfPredicates, 9 NumberOfNonLiveVariables, 6435 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 1057/1057 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...