/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 NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -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 [2020-07-20 14:59:13,599 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 14:59:13,602 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 14:59:13,615 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 14:59:13,615 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 14:59:13,616 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 14:59:13,617 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 14:59:13,619 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 14:59:13,621 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 14:59:13,622 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 14:59:13,623 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 14:59:13,624 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 14:59:13,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 14:59:13,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 14:59:13,627 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 14:59:13,628 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 14:59:13,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 14:59:13,629 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 14:59:13,631 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 14:59:13,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 14:59:13,634 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 14:59:13,635 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 14:59:13,637 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 14:59:13,637 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 14:59:13,640 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 14:59:13,640 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 14:59:13,641 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 14:59:13,641 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 14:59:13,642 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 14:59:13,643 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 14:59:13,643 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 14:59:13,644 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 14:59:13,645 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 14:59:13,645 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 14:59:13,646 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 14:59:13,647 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 14:59:13,647 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 14:59:13,648 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 14:59:13,648 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 14:59:13,649 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 14:59:13,649 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 14:59:13,650 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 [2020-07-20 14:59:13,665 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 14:59:13,665 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 14:59:13,666 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 14:59:13,667 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 14:59:13,667 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 14:59:13,667 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 14:59:13,667 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 14:59:13,667 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 14:59:13,668 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 14:59:13,668 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 14:59:13,668 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 14:59:13,668 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 14:59:13,668 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 14:59:13,669 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 14:59:13,669 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 14:59:13,669 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 14:59:13,669 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 14:59:13,669 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 14:59:13,670 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 14:59:13,670 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 14:59:13,670 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 14:59:13,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 14:59:13,670 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 14:59:13,671 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 14:59:13,671 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 14:59:13,671 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 14:59:13,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:59:13,671 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 14:59:13,672 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 14:59:13,672 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 -> NUM_FUNCTIONS 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 -> 4 [2020-07-20 14:59:14,045 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 14:59:14,060 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 14:59:14,064 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 14:59:14,065 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 14:59:14,065 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 14:59:14,066 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_3.cil.c [2020-07-20 14:59:14,129 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99fe44185/b3535288efb747f4894725ec93560401/FLAG53614cd0d [2020-07-20 14:59:14,616 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 14:59:14,617 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_3.cil.c [2020-07-20 14:59:14,631 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99fe44185/b3535288efb747f4894725ec93560401/FLAG53614cd0d [2020-07-20 14:59:14,916 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99fe44185/b3535288efb747f4894725ec93560401 [2020-07-20 14:59:14,927 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 14:59:14,929 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 14:59:14,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 14:59:14,931 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 14:59:14,934 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 14:59:14,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:59:14" (1/1) ... [2020-07-20 14:59:14,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f41f43f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:59:14, skipping insertion in model container [2020-07-20 14:59:14,939 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:59:14" (1/1) ... [2020-07-20 14:59:14,947 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 14:59:15,007 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 14:59:15,300 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 14:59:15,307 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 14:59:15,357 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 14:59:15,469 INFO L208 MainTranslator]: Completed translation [2020-07-20 14:59:15,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:59:15 WrapperNode [2020-07-20 14:59:15,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 14:59:15,470 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 14:59:15,470 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 14:59:15,470 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 14:59:15,484 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:59:15" (1/1) ... [2020-07-20 14:59:15,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:59:15" (1/1) ... [2020-07-20 14:59:15,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:59:15" (1/1) ... [2020-07-20 14:59:15,496 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:59:15" (1/1) ... [2020-07-20 14:59:15,510 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:59:15" (1/1) ... [2020-07-20 14:59:15,532 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:59:15" (1/1) ... [2020-07-20 14:59:15,537 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:59:15" (1/1) ... [2020-07-20 14:59:15,541 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 14:59:15,542 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 14:59:15,547 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 14:59:15,547 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 14:59:15,548 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:59:15" (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 [2020-07-20 14:59:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 14:59:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 14:59:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-07-20 14:59:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2020-07-20 14:59:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2020-07-20 14:59:15,606 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2020-07-20 14:59:15,606 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2020-07-20 14:59:15,606 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2020-07-20 14:59:15,606 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2020-07-20 14:59:15,606 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-07-20 14:59:15,606 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-07-20 14:59:15,607 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-07-20 14:59:15,607 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-07-20 14:59:15,607 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-07-20 14:59:15,607 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-07-20 14:59:15,607 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-07-20 14:59:15,607 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-07-20 14:59:15,608 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-07-20 14:59:15,608 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-07-20 14:59:15,608 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-07-20 14:59:15,608 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-07-20 14:59:15,608 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 14:59:15,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 14:59:15,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 14:59:15,609 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-07-20 14:59:15,609 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2020-07-20 14:59:15,609 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2020-07-20 14:59:15,609 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2020-07-20 14:59:15,609 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2020-07-20 14:59:15,609 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2020-07-20 14:59:15,610 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2020-07-20 14:59:15,610 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-07-20 14:59:15,610 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-07-20 14:59:15,610 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-07-20 14:59:15,610 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-07-20 14:59:15,610 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-07-20 14:59:15,611 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-07-20 14:59:15,611 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-07-20 14:59:15,611 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-07-20 14:59:15,611 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-07-20 14:59:15,611 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-07-20 14:59:15,611 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-07-20 14:59:15,611 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-07-20 14:59:15,612 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 14:59:15,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 14:59:15,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 14:59:16,138 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; [2020-07-20 14:59:16,139 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !(1 == ~q_free~0); [2020-07-20 14:59:16,161 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 14:59:16,161 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-20 14:59:16,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:59:16 BoogieIcfgContainer [2020-07-20 14:59:16,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 14:59:16,169 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 14:59:16,170 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 14:59:16,173 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 14:59:16,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 02:59:14" (1/3) ... [2020-07-20 14:59:16,174 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fed1738 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:59:16, skipping insertion in model container [2020-07-20 14:59:16,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:59:15" (2/3) ... [2020-07-20 14:59:16,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fed1738 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:59:16, skipping insertion in model container [2020-07-20 14:59:16,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:59:16" (3/3) ... [2020-07-20 14:59:16,177 INFO L109 eAbstractionObserver]: Analyzing ICFG pc_sfifo_3.cil.c [2020-07-20 14:59:16,189 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 14:59:16,198 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 14:59:16,213 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 14:59:16,240 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 14:59:16,241 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 14:59:16,241 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 14:59:16,241 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 14:59:16,242 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 14:59:16,242 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 14:59:16,242 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 14:59:16,242 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 14:59:16,268 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states. [2020-07-20 14:59:16,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-07-20 14:59:16,280 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:59:16,281 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] [2020-07-20 14:59:16,282 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:59:16,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:59:16,289 INFO L82 PathProgramCache]: Analyzing trace with hash 1427944937, now seen corresponding path program 1 times [2020-07-20 14:59:16,299 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:59:16,299 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1617115803] [2020-07-20 14:59:16,300 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 14:59:16,513 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 14:59:16,513 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:59:16,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 14:59:16,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:59:16,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:59:16,592 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 14:59:16,593 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1617115803] [2020-07-20 14:59:16,594 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 14:59:16,594 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 14:59:16,595 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824746030] [2020-07-20 14:59:16,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 14:59:16,601 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:59:16,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 14:59:16,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:59:16,619 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 3 states. [2020-07-20 14:59:16,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:59:16,735 INFO L93 Difference]: Finished difference Result 395 states and 564 transitions. [2020-07-20 14:59:16,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 14:59:16,737 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2020-07-20 14:59:16,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:59:16,774 INFO L225 Difference]: With dead ends: 395 [2020-07-20 14:59:16,774 INFO L226 Difference]: Without dead ends: 253 [2020-07-20 14:59:16,780 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 [2020-07-20 14:59:16,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2020-07-20 14:59:16,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 249. [2020-07-20 14:59:16,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2020-07-20 14:59:16,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 339 transitions. [2020-07-20 14:59:16,869 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 339 transitions. Word has length 78 [2020-07-20 14:59:16,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:59:16,870 INFO L479 AbstractCegarLoop]: Abstraction has 249 states and 339 transitions. [2020-07-20 14:59:16,870 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 14:59:16,870 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 339 transitions. [2020-07-20 14:59:16,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-07-20 14:59:16,875 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:59:16,875 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] [2020-07-20 14:59:17,090 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:59:17,090 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:59:17,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:59:17,092 INFO L82 PathProgramCache]: Analyzing trace with hash -993372653, now seen corresponding path program 1 times [2020-07-20 14:59:17,092 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:59:17,093 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1765805200] [2020-07-20 14:59:17,093 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 14:59:17,218 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 14:59:17,219 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:59:17,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 14:59:17,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:59:17,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:59:17,297 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 14:59:17,297 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1765805200] [2020-07-20 14:59:17,298 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 14:59:17,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 14:59:17,298 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680294264] [2020-07-20 14:59:17,301 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 14:59:17,301 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:59:17,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 14:59:17,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:59:17,302 INFO L87 Difference]: Start difference. First operand 249 states and 339 transitions. Second operand 3 states. [2020-07-20 14:59:17,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:59:17,364 INFO L93 Difference]: Finished difference Result 685 states and 940 transitions. [2020-07-20 14:59:17,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 14:59:17,365 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2020-07-20 14:59:17,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:59:17,372 INFO L225 Difference]: With dead ends: 685 [2020-07-20 14:59:17,372 INFO L226 Difference]: Without dead ends: 461 [2020-07-20 14:59:17,379 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 [2020-07-20 14:59:17,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2020-07-20 14:59:17,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 453. [2020-07-20 14:59:17,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 453 states. [2020-07-20 14:59:17,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 614 transitions. [2020-07-20 14:59:17,442 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 614 transitions. Word has length 79 [2020-07-20 14:59:17,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:59:17,443 INFO L479 AbstractCegarLoop]: Abstraction has 453 states and 614 transitions. [2020-07-20 14:59:17,443 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 14:59:17,443 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 614 transitions. [2020-07-20 14:59:17,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-07-20 14:59:17,448 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:59:17,448 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 14:59:17,653 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:59:17,653 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:59:17,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:59:17,654 INFO L82 PathProgramCache]: Analyzing trace with hash -572417591, now seen corresponding path program 1 times [2020-07-20 14:59:17,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:59:17,655 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1196842067] [2020-07-20 14:59:17,656 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 14:59:17,782 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 14:59:17,783 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:59:17,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 14:59:17,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:59:17,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:59:17,821 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 14:59:17,822 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1196842067] [2020-07-20 14:59:17,822 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 14:59:17,822 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 14:59:17,823 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411520498] [2020-07-20 14:59:17,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 14:59:17,824 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:59:17,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 14:59:17,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:59:17,824 INFO L87 Difference]: Start difference. First operand 453 states and 614 transitions. Second operand 3 states. [2020-07-20 14:59:17,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:59:17,896 INFO L93 Difference]: Finished difference Result 1307 states and 1796 transitions. [2020-07-20 14:59:17,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 14:59:17,897 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2020-07-20 14:59:17,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:59:17,907 INFO L225 Difference]: With dead ends: 1307 [2020-07-20 14:59:17,907 INFO L226 Difference]: Without dead ends: 879 [2020-07-20 14:59:17,911 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 77 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:59:17,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2020-07-20 14:59:18,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 875. [2020-07-20 14:59:18,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 875 states. [2020-07-20 14:59:18,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 1185 transitions. [2020-07-20 14:59:18,029 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 1185 transitions. Word has length 80 [2020-07-20 14:59:18,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:59:18,030 INFO L479 AbstractCegarLoop]: Abstraction has 875 states and 1185 transitions. [2020-07-20 14:59:18,031 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 14:59:18,031 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1185 transitions. [2020-07-20 14:59:18,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-07-20 14:59:18,045 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:59:18,046 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 14:59:18,259 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:59:18,260 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:59:18,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:59:18,261 INFO L82 PathProgramCache]: Analyzing trace with hash -1775594296, now seen corresponding path program 1 times [2020-07-20 14:59:18,261 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:59:18,262 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1934290803] [2020-07-20 14:59:18,263 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 14:59:18,361 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 14:59:18,362 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:59:18,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 14:59:18,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:59:18,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:59:18,387 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 14:59:18,387 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1934290803] [2020-07-20 14:59:18,388 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 14:59:18,388 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 14:59:18,388 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743749226] [2020-07-20 14:59:18,389 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 14:59:18,389 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:59:18,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 14:59:18,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:59:18,390 INFO L87 Difference]: Start difference. First operand 875 states and 1185 transitions. Second operand 3 states. [2020-07-20 14:59:18,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:59:18,442 INFO L93 Difference]: Finished difference Result 1724 states and 2334 transitions. [2020-07-20 14:59:18,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 14:59:18,443 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2020-07-20 14:59:18,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:59:18,449 INFO L225 Difference]: With dead ends: 1724 [2020-07-20 14:59:18,450 INFO L226 Difference]: Without dead ends: 869 [2020-07-20 14:59:18,453 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:59:18,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2020-07-20 14:59:18,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 869. [2020-07-20 14:59:18,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2020-07-20 14:59:18,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1173 transitions. [2020-07-20 14:59:18,506 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1173 transitions. Word has length 81 [2020-07-20 14:59:18,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:59:18,506 INFO L479 AbstractCegarLoop]: Abstraction has 869 states and 1173 transitions. [2020-07-20 14:59:18,507 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 14:59:18,507 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1173 transitions. [2020-07-20 14:59:18,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-07-20 14:59:18,508 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:59:18,508 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 14:59:18,722 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:59:18,723 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:59:18,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:59:18,724 INFO L82 PathProgramCache]: Analyzing trace with hash -1721201398, now seen corresponding path program 1 times [2020-07-20 14:59:18,724 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:59:18,725 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1190245339] [2020-07-20 14:59:18,725 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 14:59:18,841 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 14:59:18,842 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:59:18,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 14:59:18,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:59:18,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:59:18,888 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 14:59:18,888 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1190245339] [2020-07-20 14:59:18,888 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 14:59:18,888 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 14:59:18,889 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141152247] [2020-07-20 14:59:18,889 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 14:59:18,890 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:59:18,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 14:59:18,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 14:59:18,890 INFO L87 Difference]: Start difference. First operand 869 states and 1173 transitions. Second operand 5 states. [2020-07-20 14:59:19,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:59:19,656 INFO L93 Difference]: Finished difference Result 2771 states and 3909 transitions. [2020-07-20 14:59:19,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 14:59:19,656 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 81 [2020-07-20 14:59:19,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:59:19,670 INFO L225 Difference]: With dead ends: 2771 [2020-07-20 14:59:19,678 INFO L226 Difference]: Without dead ends: 1921 [2020-07-20 14:59:19,683 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-20 14:59:19,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1921 states. [2020-07-20 14:59:19,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1921 to 1769. [2020-07-20 14:59:19,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1769 states. [2020-07-20 14:59:19,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1769 states to 1769 states and 2387 transitions. [2020-07-20 14:59:19,808 INFO L78 Accepts]: Start accepts. Automaton has 1769 states and 2387 transitions. Word has length 81 [2020-07-20 14:59:19,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:59:19,809 INFO L479 AbstractCegarLoop]: Abstraction has 1769 states and 2387 transitions. [2020-07-20 14:59:19,809 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 14:59:19,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1769 states and 2387 transitions. [2020-07-20 14:59:19,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-07-20 14:59:19,811 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:59:19,811 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 14:59:20,025 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:59:20,026 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:59:20,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:59:20,026 INFO L82 PathProgramCache]: Analyzing trace with hash 98731082, now seen corresponding path program 1 times [2020-07-20 14:59:20,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:59:20,027 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [201048824] [2020-07-20 14:59:20,027 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 14:59:20,131 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 14:59:20,132 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:59:20,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 14:59:20,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:59:20,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:59:20,202 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 14:59:20,202 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [201048824] [2020-07-20 14:59:20,202 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 14:59:20,202 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 14:59:20,203 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640929579] [2020-07-20 14:59:20,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 14:59:20,203 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:59:20,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 14:59:20,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 14:59:20,204 INFO L87 Difference]: Start difference. First operand 1769 states and 2387 transitions. Second operand 5 states. [2020-07-20 14:59:21,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:59:21,012 INFO L93 Difference]: Finished difference Result 5701 states and 8113 transitions. [2020-07-20 14:59:21,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 14:59:21,013 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 81 [2020-07-20 14:59:21,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:59:21,042 INFO L225 Difference]: With dead ends: 5701 [2020-07-20 14:59:21,042 INFO L226 Difference]: Without dead ends: 3957 [2020-07-20 14:59:21,055 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-20 14:59:21,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3957 states. [2020-07-20 14:59:21,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3957 to 3641. [2020-07-20 14:59:21,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3641 states. [2020-07-20 14:59:21,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3641 states to 3641 states and 4937 transitions. [2020-07-20 14:59:21,335 INFO L78 Accepts]: Start accepts. Automaton has 3641 states and 4937 transitions. Word has length 81 [2020-07-20 14:59:21,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:59:21,335 INFO L479 AbstractCegarLoop]: Abstraction has 3641 states and 4937 transitions. [2020-07-20 14:59:21,335 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 14:59:21,335 INFO L276 IsEmpty]: Start isEmpty. Operand 3641 states and 4937 transitions. [2020-07-20 14:59:21,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-07-20 14:59:21,337 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:59:21,338 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 14:59:21,551 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:59:21,552 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:59:21,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:59:21,553 INFO L82 PathProgramCache]: Analyzing trace with hash 682063114, now seen corresponding path program 1 times [2020-07-20 14:59:21,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:59:21,554 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [945398121] [2020-07-20 14:59:21,554 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 14:59:21,670 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 14:59:21,670 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:59:21,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 14:59:21,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:59:21,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:59:21,705 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 14:59:21,706 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [945398121] [2020-07-20 14:59:21,706 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 14:59:21,706 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 14:59:21,706 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988322218] [2020-07-20 14:59:21,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 14:59:21,707 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:59:21,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 14:59:21,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 14:59:21,708 INFO L87 Difference]: Start difference. First operand 3641 states and 4937 transitions. Second operand 6 states. [2020-07-20 14:59:21,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:59:21,886 INFO L93 Difference]: Finished difference Result 7409 states and 10117 transitions. [2020-07-20 14:59:21,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 14:59:21,886 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 81 [2020-07-20 14:59:21,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:59:21,910 INFO L225 Difference]: With dead ends: 7409 [2020-07-20 14:59:21,911 INFO L226 Difference]: Without dead ends: 3809 [2020-07-20 14:59:21,922 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 14:59:21,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3809 states. [2020-07-20 14:59:22,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3809 to 3761. [2020-07-20 14:59:22,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3761 states. [2020-07-20 14:59:22,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3761 states to 3761 states and 5049 transitions. [2020-07-20 14:59:22,154 INFO L78 Accepts]: Start accepts. Automaton has 3761 states and 5049 transitions. Word has length 81 [2020-07-20 14:59:22,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:59:22,155 INFO L479 AbstractCegarLoop]: Abstraction has 3761 states and 5049 transitions. [2020-07-20 14:59:22,155 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 14:59:22,155 INFO L276 IsEmpty]: Start isEmpty. Operand 3761 states and 5049 transitions. [2020-07-20 14:59:22,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-07-20 14:59:22,157 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:59:22,157 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 14:59:22,370 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:59:22,371 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:59:22,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:59:22,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1561920184, now seen corresponding path program 1 times [2020-07-20 14:59:22,372 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:59:22,373 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1570120946] [2020-07-20 14:59:22,373 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 14:59:22,464 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 14:59:22,464 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:59:22,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 14:59:22,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:59:22,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:59:22,494 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 14:59:22,495 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1570120946] [2020-07-20 14:59:22,495 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 14:59:22,495 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 14:59:22,495 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089544846] [2020-07-20 14:59:22,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 14:59:22,496 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:59:22,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 14:59:22,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 14:59:22,497 INFO L87 Difference]: Start difference. First operand 3761 states and 5049 transitions. Second operand 6 states. [2020-07-20 14:59:22,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:59:22,662 INFO L93 Difference]: Finished difference Result 7679 states and 10351 transitions. [2020-07-20 14:59:22,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 14:59:22,663 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 81 [2020-07-20 14:59:22,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:59:22,696 INFO L225 Difference]: With dead ends: 7679 [2020-07-20 14:59:22,697 INFO L226 Difference]: Without dead ends: 3959 [2020-07-20 14:59:22,715 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 14:59:22,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3959 states. [2020-07-20 14:59:22,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3959 to 3959. [2020-07-20 14:59:22,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3959 states. [2020-07-20 14:59:23,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3959 states to 3959 states and 5275 transitions. [2020-07-20 14:59:23,107 INFO L78 Accepts]: Start accepts. Automaton has 3959 states and 5275 transitions. Word has length 81 [2020-07-20 14:59:23,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:59:23,108 INFO L479 AbstractCegarLoop]: Abstraction has 3959 states and 5275 transitions. [2020-07-20 14:59:23,108 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 14:59:23,108 INFO L276 IsEmpty]: Start isEmpty. Operand 3959 states and 5275 transitions. [2020-07-20 14:59:23,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-07-20 14:59:23,111 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:59:23,111 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 14:59:23,324 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:59:23,325 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:59:23,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:59:23,326 INFO L82 PathProgramCache]: Analyzing trace with hash 683659270, now seen corresponding path program 1 times [2020-07-20 14:59:23,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:59:23,327 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [922618855] [2020-07-20 14:59:23,327 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 14:59:23,443 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:59:23,443 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:59:23,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 14:59:23,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:59:23,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:59:23,482 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 14:59:23,483 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [922618855] [2020-07-20 14:59:23,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 14:59:23,483 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 14:59:23,484 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207722347] [2020-07-20 14:59:23,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 14:59:23,484 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:59:23,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 14:59:23,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:59:23,485 INFO L87 Difference]: Start difference. First operand 3959 states and 5275 transitions. Second operand 3 states. [2020-07-20 14:59:23,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:59:23,735 INFO L93 Difference]: Finished difference Result 11393 states and 15522 transitions. [2020-07-20 14:59:23,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 14:59:23,736 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2020-07-20 14:59:23,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:59:23,787 INFO L225 Difference]: With dead ends: 11393 [2020-07-20 14:59:23,788 INFO L226 Difference]: Without dead ends: 7475 [2020-07-20 14:59:23,805 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:59:23,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7475 states. [2020-07-20 14:59:24,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7475 to 7411. [2020-07-20 14:59:24,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7411 states. [2020-07-20 14:59:24,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7411 states to 7411 states and 9879 transitions. [2020-07-20 14:59:24,253 INFO L78 Accepts]: Start accepts. Automaton has 7411 states and 9879 transitions. Word has length 81 [2020-07-20 14:59:24,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:59:24,255 INFO L479 AbstractCegarLoop]: Abstraction has 7411 states and 9879 transitions. [2020-07-20 14:59:24,255 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 14:59:24,255 INFO L276 IsEmpty]: Start isEmpty. Operand 7411 states and 9879 transitions. [2020-07-20 14:59:24,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-07-20 14:59:24,259 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:59:24,259 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, 1] [2020-07-20 14:59:24,473 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:59:24,474 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:59:24,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:59:24,474 INFO L82 PathProgramCache]: Analyzing trace with hash 477155572, now seen corresponding path program 1 times [2020-07-20 14:59:24,474 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:59:24,475 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2078516511] [2020-07-20 14:59:24,475 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 14:59:24,534 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 14:59:24,535 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:59:24,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 14:59:24,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:59:24,553 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:59:24,554 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 14:59:24,554 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2078516511] [2020-07-20 14:59:24,554 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 14:59:24,554 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 14:59:24,554 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488892490] [2020-07-20 14:59:24,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 14:59:24,555 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:59:24,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 14:59:24,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:59:24,556 INFO L87 Difference]: Start difference. First operand 7411 states and 9879 transitions. Second operand 3 states. [2020-07-20 14:59:25,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:59:25,042 INFO L93 Difference]: Finished difference Result 21583 states and 29211 transitions. [2020-07-20 14:59:25,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 14:59:25,042 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2020-07-20 14:59:25,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:59:25,103 INFO L225 Difference]: With dead ends: 21583 [2020-07-20 14:59:25,104 INFO L226 Difference]: Without dead ends: 10905 [2020-07-20 14:59:25,142 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:59:25,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10905 states. [2020-07-20 14:59:25,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10905 to 10905. [2020-07-20 14:59:25,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10905 states. [2020-07-20 14:59:25,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10905 states to 10905 states and 14581 transitions. [2020-07-20 14:59:25,573 INFO L78 Accepts]: Start accepts. Automaton has 10905 states and 14581 transitions. Word has length 101 [2020-07-20 14:59:25,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:59:25,574 INFO L479 AbstractCegarLoop]: Abstraction has 10905 states and 14581 transitions. [2020-07-20 14:59:25,574 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 14:59:25,575 INFO L276 IsEmpty]: Start isEmpty. Operand 10905 states and 14581 transitions. [2020-07-20 14:59:25,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-07-20 14:59:25,606 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:59:25,606 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 14:59:26,279 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:59:26,280 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:59:26,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:59:26,281 INFO L82 PathProgramCache]: Analyzing trace with hash 694113001, now seen corresponding path program 1 times [2020-07-20 14:59:26,281 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:59:26,281 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1559991189] [2020-07-20 14:59:26,281 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 14:59:26,387 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 14:59:26,387 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:59:26,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 14:59:26,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:59:26,433 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2020-07-20 14:59:26,433 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 14:59:26,434 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1559991189] [2020-07-20 14:59:26,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 14:59:26,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 14:59:26,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563228788] [2020-07-20 14:59:26,435 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 14:59:26,435 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:59:26,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 14:59:26,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:59:26,436 INFO L87 Difference]: Start difference. First operand 10905 states and 14581 transitions. Second operand 3 states. [2020-07-20 14:59:26,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:59:26,919 INFO L93 Difference]: Finished difference Result 30131 states and 41062 transitions. [2020-07-20 14:59:26,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 14:59:26,920 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2020-07-20 14:59:26,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:59:27,043 INFO L225 Difference]: With dead ends: 30131 [2020-07-20 14:59:27,043 INFO L226 Difference]: Without dead ends: 19263 [2020-07-20 14:59:27,160 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 182 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:59:27,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19263 states. [2020-07-20 14:59:27,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19263 to 19119. [2020-07-20 14:59:27,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19119 states. [2020-07-20 14:59:28,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19119 states to 19119 states and 25661 transitions. [2020-07-20 14:59:28,031 INFO L78 Accepts]: Start accepts. Automaton has 19119 states and 25661 transitions. Word has length 185 [2020-07-20 14:59:28,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:59:28,031 INFO L479 AbstractCegarLoop]: Abstraction has 19119 states and 25661 transitions. [2020-07-20 14:59:28,031 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 14:59:28,032 INFO L276 IsEmpty]: Start isEmpty. Operand 19119 states and 25661 transitions. [2020-07-20 14:59:28,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-07-20 14:59:28,064 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:59:28,064 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 14:59:28,278 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:59:28,279 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:59:28,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:59:28,280 INFO L82 PathProgramCache]: Analyzing trace with hash 544229803, now seen corresponding path program 1 times [2020-07-20 14:59:28,280 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:59:28,280 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1376276725] [2020-07-20 14:59:28,281 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 14:59:28,382 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 14:59:28,383 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:59:28,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 14:59:28,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:59:28,418 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-20 14:59:28,419 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 14:59:28,419 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1376276725] [2020-07-20 14:59:28,419 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 14:59:28,419 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 14:59:28,420 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134214880] [2020-07-20 14:59:28,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 14:59:28,420 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:59:28,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 14:59:28,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:59:28,421 INFO L87 Difference]: Start difference. First operand 19119 states and 25661 transitions. Second operand 3 states. [2020-07-20 14:59:28,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:59:28,936 INFO L93 Difference]: Finished difference Result 29487 states and 40071 transitions. [2020-07-20 14:59:28,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 14:59:28,936 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2020-07-20 14:59:28,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:59:28,945 INFO L225 Difference]: With dead ends: 29487 [2020-07-20 14:59:28,945 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 14:59:29,034 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 [2020-07-20 14:59:29,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 14:59:29,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 14:59:29,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 14:59:29,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 14:59:29,040 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 185 [2020-07-20 14:59:29,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:59:29,041 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 14:59:29,041 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 14:59:29,041 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 14:59:29,042 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 14:59:29,255 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:59:29,257 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 14:59:29,744 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 57 [2020-07-20 14:59:30,068 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 1 [2020-07-20 14:59:30,774 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 57 [2020-07-20 14:59:31,608 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 57 [2020-07-20 14:59:32,001 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 1 [2020-07-20 14:59:35,045 WARN L193 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 57 [2020-07-20 14:59:40,040 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 39 [2020-07-20 14:59:43,529 WARN L193 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 306 DAG size of output: 40 [2020-07-20 14:59:43,673 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 39 [2020-07-20 14:59:43,790 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 39 [2020-07-20 14:59:43,970 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2020-07-20 14:59:47,177 WARN L193 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 306 DAG size of output: 40 [2020-07-20 14:59:47,557 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 22 [2020-07-20 14:59:47,704 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 39 [2020-07-20 14:59:49,065 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 392 DAG size of output: 36 [2020-07-20 14:59:50,347 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 392 DAG size of output: 32 [2020-07-20 14:59:51,637 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 392 DAG size of output: 32 [2020-07-20 14:59:52,071 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 22 [2020-07-20 14:59:53,335 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 392 DAG size of output: 36 [2020-07-20 14:59:54,466 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 390 DAG size of output: 31 [2020-07-20 14:59:54,570 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2020-07-20 14:59:54,931 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 18 [2020-07-20 14:59:56,118 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 392 DAG size of output: 32 [2020-07-20 14:59:56,512 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 22 [2020-07-20 14:59:57,004 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 26 [2020-07-20 14:59:57,138 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 39 [2020-07-20 14:59:59,190 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 264 DAG size of output: 35 [2020-07-20 14:59:59,565 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 18 [2020-07-20 15:00:00,171 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 14 [2020-07-20 15:00:01,397 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 392 DAG size of output: 32 [2020-07-20 15:00:02,004 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 14 [2020-07-20 15:00:05,167 WARN L193 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 306 DAG size of output: 40 [2020-07-20 15:00:05,404 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2020-07-20 15:00:06,862 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 396 DAG size of output: 48 [2020-07-20 15:00:07,334 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 31 [2020-07-20 15:00:08,493 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 390 DAG size of output: 34 [2020-07-20 15:00:11,705 WARN L193 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 306 DAG size of output: 40 [2020-07-20 15:00:11,824 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 39 [2020-07-20 15:00:12,180 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 18 [2020-07-20 15:00:12,392 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 39 [2020-07-20 15:00:12,871 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 29 [2020-07-20 15:00:13,024 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 39 [2020-07-20 15:00:13,528 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 31 [2020-07-20 15:00:14,715 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 392 DAG size of output: 32 [2020-07-20 15:00:18,056 WARN L193 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 394 DAG size of output: 57 [2020-07-20 15:00:18,205 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 39 [2020-07-20 15:00:18,353 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 39 [2020-07-20 15:00:19,771 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 182 DAG size of output: 30 [2020-07-20 15:00:19,776 INFO L268 CegarLoopResult]: For program point L385(lines 385 389) no Hoare annotation was computed. [2020-07-20 15:00:19,776 INFO L268 CegarLoopResult]: For program point L383(line 383) no Hoare annotation was computed. [2020-07-20 15:00:19,776 INFO L268 CegarLoopResult]: For program point L385-2(lines 369 393) no Hoare annotation was computed. [2020-07-20 15:00:19,777 INFO L268 CegarLoopResult]: For program point L377(lines 377 381) no Hoare annotation was computed. [2020-07-20 15:00:19,777 INFO L264 CegarLoopResult]: At program point L375(line 375) the Hoare annotation is: (let ((.cse0 (not (<= ~c_dr_pc~0 0))) (.cse4 (not (= 0 |old(~p_dw_st~0)|))) (.cse6 (not (<= 2 ~q_write_ev~0))) (.cse7 (= 0 ~p_dw_st~0)) (.cse1 (<= 2 ~c_dr_st~0)) (.cse5 (not (= ~c_dr_pc~0 1))) (.cse2 (not (= 1 ~p_dw_i~0))) (.cse3 (not (<= 2 |old(~c_dr_st~0)|))) (.cse8 (not (<= ~q_free~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 .cse6 .cse7) (or .cse0 .cse4 .cse2 .cse7 .cse3) (or .cse4 .cse5 .cse2 .cse7 .cse8) (or .cse0 .cse4 .cse2 .cse7 .cse8) (or .cse1 .cse5 .cse2 .cse6 .cse3) (or .cse0 .cse4 .cse2 .cse6 .cse7) (or .cse1 .cse5 .cse2 .cse3 .cse8))) [2020-07-20 15:00:19,778 INFO L264 CegarLoopResult]: At program point L377-2(lines 377 381) the Hoare annotation is: (let ((.cse11 (<= 2 ~c_dr_st~0)) (.cse17 (<= ~q_free~0 0)) (.cse15 (= 1 ~p_dw_i~0)) (.cse9 (= 0 ~p_dw_st~0)) (.cse16 (<= ~c_dr_pc~0 0))) (let ((.cse4 (and .cse15 .cse9 .cse16)) (.cse14 (and .cse15 .cse9 .cse17)) (.cse5 (not (= 0 |old(~p_dw_st~0)|))) (.cse10 (not .cse17)) (.cse1 (not .cse16)) (.cse6 (not (<= 2 |old(~c_dr_st~0)|))) (.cse7 (and .cse11 .cse15 .cse9 .cse16)) (.cse0 (= 0 activate_threads_~tmp~1)) (.cse12 (not (<= 2 ~fast_clk_edge~0))) (.cse8 (not (= ~c_dr_pc~0 1))) (.cse2 (not .cse15)) (.cse3 (not (<= 2 ~q_write_ev~0))) (.cse13 (not (<= 2 ~q_read_ev~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse2 .cse6 .cse7) (or .cse5 .cse8 .cse2 .cse9 .cse10) (or .cse11 .cse8 .cse2 .cse3 .cse6) (or .cse1 .cse5 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse12 .cse2 .cse10 .cse13) (or .cse0 .cse8 .cse2 .cse9 .cse10) (or .cse11 .cse8 .cse2 .cse6 .cse10) (or .cse0 .cse1 .cse2 .cse14 .cse10) (or .cse1 .cse5 .cse2 .cse14 .cse10) (or .cse5 .cse8 .cse2 .cse3 .cse9) (or .cse0 .cse8 .cse2 .cse3 .cse9) (or .cse0 .cse12 .cse8 .cse2 .cse10 .cse13) (or .cse0 .cse1 .cse12 .cse2 .cse6 .cse13) (or .cse0 .cse1 .cse12 .cse2 .cse3 .cse13) (or .cse1 .cse2 .cse6 .cse7 (and .cse0 .cse11)) (or .cse0 .cse12 .cse8 .cse2 .cse3 .cse13)))) [2020-07-20 15:00:19,778 INFO L268 CegarLoopResult]: For program point L375-1(line 375) no Hoare annotation was computed. [2020-07-20 15:00:19,778 INFO L264 CegarLoopResult]: At program point activate_threadsENTRY(lines 369 393) the Hoare annotation is: (let ((.cse0 (not (<= ~c_dr_pc~0 0))) (.cse4 (not (= 0 |old(~p_dw_st~0)|))) (.cse6 (not (<= 2 ~q_write_ev~0))) (.cse7 (= 0 ~p_dw_st~0)) (.cse1 (<= 2 ~c_dr_st~0)) (.cse5 (not (= ~c_dr_pc~0 1))) (.cse2 (not (= 1 ~p_dw_i~0))) (.cse3 (not (<= 2 |old(~c_dr_st~0)|))) (.cse8 (not (<= ~q_free~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 .cse6 .cse7) (or .cse0 .cse4 .cse2 .cse7 .cse3) (or .cse4 .cse5 .cse2 .cse7 .cse8) (or .cse0 .cse4 .cse2 .cse7 .cse8) (or .cse1 .cse5 .cse2 .cse6 .cse3) (or .cse0 .cse4 .cse2 .cse6 .cse7) (or .cse1 .cse5 .cse2 .cse3 .cse8))) [2020-07-20 15:00:19,779 INFO L268 CegarLoopResult]: For program point activate_threadsEXIT(lines 369 393) no Hoare annotation was computed. [2020-07-20 15:00:19,779 INFO L268 CegarLoopResult]: For program point exists_runnable_threadEXIT(lines 277 296) no Hoare annotation was computed. [2020-07-20 15:00:19,779 INFO L268 CegarLoopResult]: For program point L285(lines 285 290) no Hoare annotation was computed. [2020-07-20 15:00:19,779 INFO L268 CegarLoopResult]: For program point L281(lines 281 291) no Hoare annotation was computed. [2020-07-20 15:00:19,779 INFO L271 CegarLoopResult]: At program point exists_runnable_threadENTRY(lines 277 296) the Hoare annotation is: true [2020-07-20 15:00:19,779 INFO L271 CegarLoopResult]: At program point L293(lines 280 295) the Hoare annotation is: true [2020-07-20 15:00:19,779 INFO L268 CegarLoopResult]: For program point exists_runnable_threadFINAL(lines 277 296) no Hoare annotation was computed. [2020-07-20 15:00:19,780 INFO L264 CegarLoopResult]: At program point update_fifo_qENTRY(lines 22 41) the Hoare annotation is: (let ((.cse4 (not (= ~c_dr_pc~0 1))) (.cse3 (not (<= ~q_free~0 0))) (.cse0 (not (<= ~c_dr_pc~0 0))) (.cse1 (not (= 1 ~p_dw_i~0))) (.cse2 (and (<= |old(~q_read_ev~0)| ~q_read_ev~0) (<= |old(~q_write_ev~0)| ~q_write_ev~0))) (.cse5 (not (<= 2 |old(~q_write_ev~0)|)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~c_dr_st~0))) (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse5) (or .cse4 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse5))) [2020-07-20 15:00:19,780 INFO L268 CegarLoopResult]: For program point L31-1(lines 31 35) no Hoare annotation was computed. [2020-07-20 15:00:19,780 INFO L268 CegarLoopResult]: For program point update_fifo_qEXIT(lines 22 41) no Hoare annotation was computed. [2020-07-20 15:00:19,780 INFO L268 CegarLoopResult]: For program point L26-1(lines 25 40) no Hoare annotation was computed. [2020-07-20 15:00:19,780 INFO L268 CegarLoopResult]: For program point update_fifo_qFINAL(lines 22 41) no Hoare annotation was computed. [2020-07-20 15:00:19,780 INFO L268 CegarLoopResult]: For program point reset_delta_eventsEXIT(lines 315 332) no Hoare annotation was computed. [2020-07-20 15:00:19,780 INFO L268 CegarLoopResult]: For program point L319-1(lines 318 331) no Hoare annotation was computed. [2020-07-20 15:00:19,780 INFO L264 CegarLoopResult]: At program point reset_delta_eventsENTRY(lines 315 332) the Hoare annotation is: (let ((.cse4 (not (= ~c_dr_pc~0 1))) (.cse3 (not (<= ~q_free~0 0))) (.cse0 (not (<= ~c_dr_pc~0 0))) (.cse1 (not (= 1 ~p_dw_i~0))) (.cse2 (and (<= |old(~q_read_ev~0)| ~q_read_ev~0) (<= |old(~q_write_ev~0)| ~q_write_ev~0))) (.cse5 (not (<= 2 |old(~q_write_ev~0)|)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~c_dr_st~0))) (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse5) (or .cse4 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse5))) [2020-07-20 15:00:19,781 INFO L268 CegarLoopResult]: For program point L324-1(lines 315 332) no Hoare annotation was computed. [2020-07-20 15:00:19,781 INFO L268 CegarLoopResult]: For program point L268-1(lines 259 276) no Hoare annotation was computed. [2020-07-20 15:00:19,781 INFO L268 CegarLoopResult]: For program point init_threadsEXIT(lines 259 276) no Hoare annotation was computed. [2020-07-20 15:00:19,781 INFO L264 CegarLoopResult]: At program point init_threadsENTRY(lines 259 276) the Hoare annotation is: (let ((.cse0 (not (<= ~c_dr_pc~0 0))) (.cse1 (not (<= 2 ~slow_clk_edge~0))) (.cse2 (not (<= 2 ~fast_clk_edge~0))) (.cse3 (not (= 0 |old(~p_dw_st~0)|))) (.cse4 (not (= 1 ~p_dw_i~0))) (.cse5 (= 0 ~p_dw_st~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (<= ~q_free~0 0)) (not (<= 2 ~q_read_ev~0))) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (<= 2 ~q_write_ev~0)) .cse5))) [2020-07-20 15:00:19,781 INFO L268 CegarLoopResult]: For program point L263-1(lines 262 275) no Hoare annotation was computed. [2020-07-20 15:00:19,781 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 544 555) the Hoare annotation is: (or (not (= 0 |old(~p_dw_st~0)|)) (not (<= |old(~q_free~0)| 0)) (not (<= |old(~c_dr_pc~0)| 0)) (and (= 0 ~p_dw_st~0) (<= ~c_dr_pc~0 0) (<= ~q_free~0 0) (<= |old(~q_read_ev~0)| ~q_read_ev~0) (<= |old(~q_write_ev~0)| ~q_write_ev~0))) [2020-07-20 15:00:19,781 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 544 555) no Hoare annotation was computed. [2020-07-20 15:00:19,781 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 544 555) no Hoare annotation was computed. [2020-07-20 15:00:19,782 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-20 15:00:19,782 INFO L264 CegarLoopResult]: At program point L549(line 549) the Hoare annotation is: (or (not (= 0 |old(~p_dw_st~0)|)) (not (<= |old(~q_free~0)| 0)) (not (<= |old(~c_dr_pc~0)| 0)) (and (= 0 ~p_dw_st~0) (<= ~c_dr_pc~0 0) (<= ~q_free~0 0) (<= |old(~q_read_ev~0)| ~q_read_ev~0) (<= |old(~q_write_ev~0)| ~q_write_ev~0))) [2020-07-20 15:00:19,782 INFO L264 CegarLoopResult]: At program point L549-1(line 549) the Hoare annotation is: (or (and (<= 2 ~q_read_ev~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) (<= 2 ~q_write_ev~0)) (not (= 0 |old(~p_dw_st~0)|)) (not (<= |old(~q_free~0)| 0)) (not (<= |old(~c_dr_pc~0)| 0))) [2020-07-20 15:00:19,782 INFO L264 CegarLoopResult]: At program point L161(lines 138 182) the Hoare annotation is: (or (not (<= ~c_dr_pc~0 0)) (not (<= |old(~q_free~0)| 0)) (not (= 1 ~p_dw_i~0)) (<= ~q_free~0 0)) [2020-07-20 15:00:19,782 INFO L264 CegarLoopResult]: At program point do_write_pENTRY(lines 135 183) the Hoare annotation is: (let ((.cse0 (not (<= |old(~q_free~0)| 0))) (.cse1 (not (= 1 ~p_dw_i~0))) (.cse2 (<= ~q_free~0 0))) (and (or .cse0 (not (= ~c_dr_pc~0 1)) .cse1 .cse2) (or (not (<= ~c_dr_pc~0 0)) .cse0 .cse1 .cse2))) [2020-07-20 15:00:19,782 INFO L268 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-07-20 15:00:19,782 INFO L264 CegarLoopResult]: At program point L178(lines 135 183) the Hoare annotation is: (let ((.cse0 (not (<= |old(~q_free~0)| 0))) (.cse1 (not (= 1 ~p_dw_i~0))) (.cse2 (<= ~q_free~0 0))) (and (or .cse0 (not (= ~c_dr_pc~0 1)) .cse1 .cse2) (or (not (<= ~c_dr_pc~0 0)) .cse0 .cse1 .cse2))) [2020-07-20 15:00:19,783 INFO L268 CegarLoopResult]: For program point L145(lines 145 149) no Hoare annotation was computed. [2020-07-20 15:00:19,783 INFO L264 CegarLoopResult]: At program point L143(lines 138 182) the Hoare annotation is: (or (not (<= ~c_dr_pc~0 0)) (not (<= |old(~q_free~0)| 0)) (not (= 1 ~p_dw_i~0)) (<= ~q_free~0 0)) [2020-07-20 15:00:19,783 INFO L268 CegarLoopResult]: For program point do_write_pEXIT(lines 135 183) no Hoare annotation was computed. [2020-07-20 15:00:19,783 INFO L264 CegarLoopResult]: At program point L154-1(lines 138 182) the Hoare annotation is: (let ((.cse0 (not (<= |old(~q_free~0)| 0))) (.cse1 (not (= 1 ~p_dw_i~0))) (.cse2 (<= ~q_free~0 0))) (and (or .cse0 (not (= ~c_dr_pc~0 1)) .cse1 .cse2) (or (not (<= ~c_dr_pc~0 0)) .cse0 .cse1 .cse2))) [2020-07-20 15:00:19,783 INFO L268 CegarLoopResult]: For program point L142(lines 142 150) no Hoare annotation was computed. [2020-07-20 15:00:19,783 INFO L268 CegarLoopResult]: For program point errorEXIT(lines 5 12) no Hoare annotation was computed. [2020-07-20 15:00:19,783 INFO L268 CegarLoopResult]: For program point errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 9) no Hoare annotation was computed. [2020-07-20 15:00:19,784 INFO L271 CegarLoopResult]: At program point errorENTRY(lines 5 12) the Hoare annotation is: true [2020-07-20 15:00:19,784 INFO L268 CegarLoopResult]: For program point errorFINAL(lines 5 12) no Hoare annotation was computed. [2020-07-20 15:00:19,784 INFO L268 CegarLoopResult]: For program point L126(lines 126 130) no Hoare annotation was computed. [2020-07-20 15:00:19,784 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-20 15:00:19,784 INFO L268 CegarLoopResult]: For program point L126-2(lines 110 134) no Hoare annotation was computed. [2020-07-20 15:00:19,784 INFO L268 CegarLoopResult]: For program point immediate_notify_threadsENTRY(lines 110 134) no Hoare annotation was computed. [2020-07-20 15:00:19,784 INFO L268 CegarLoopResult]: For program point L118(lines 118 122) no Hoare annotation was computed. [2020-07-20 15:00:19,785 INFO L268 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-07-20 15:00:19,785 INFO L268 CegarLoopResult]: For program point L118-2(lines 118 122) no Hoare annotation was computed. [2020-07-20 15:00:19,785 INFO L268 CegarLoopResult]: For program point L116-1(line 116) no Hoare annotation was computed. [2020-07-20 15:00:19,785 INFO L268 CegarLoopResult]: For program point immediate_notify_threadsEXIT(lines 110 134) no Hoare annotation was computed. [2020-07-20 15:00:19,785 INFO L268 CegarLoopResult]: For program point fire_time_eventsEXIT(lines 335 350) no Hoare annotation was computed. [2020-07-20 15:00:19,785 INFO L264 CegarLoopResult]: At program point fire_time_eventsENTRY(lines 335 350) the Hoare annotation is: (let ((.cse0 (not (<= ~c_dr_pc~0 0))) (.cse2 (not (<= 2 ~q_write_ev~0))) (.cse6 (not (= ~c_dr_pc~0 1))) (.cse1 (not (= 1 ~p_dw_i~0))) (.cse3 (<= 2 ~slow_clk_edge~0)) (.cse4 (not (<= 2 |old(~slow_clk_edge~0)|))) (.cse5 (not (<= ~q_free~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse3 .cse4 (not (<= 2 ~c_dr_st~0))) (or .cse6 .cse1 .cse2 .cse3 .cse4) (or .cse6 .cse1 .cse3 .cse4 .cse5))) [2020-07-20 15:00:19,785 INFO L268 CegarLoopResult]: For program point L339-1(lines 335 350) no Hoare annotation was computed. [2020-07-20 15:00:19,785 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 15:00:19,785 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= |old(~q_read_ev~0)| ~q_read_ev~0) (<= |old(~q_write_ev~0)| ~q_write_ev~0)) [2020-07-20 15:00:19,785 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 15:00:19,786 INFO L264 CegarLoopResult]: At program point evalENTRY(lines 394 446) the Hoare annotation is: (let ((.cse6 (<= ~q_free~0 0)) (.cse5 (= ~c_dr_pc~0 1)) (.cse0 (<= 2 ~c_dr_st~0)) (.cse11 (<= ~c_dr_pc~0 0)) (.cse8 (not (<= 2 ~q_write_ev~0))) (.cse3 (not (<= 2 |old(~c_dr_st~0)|))) (.cse4 (not (= 1 |old(~c_dr_pc~0)|))) (.cse7 (not (= 0 |old(~p_dw_st~0)|))) (.cse1 (not (<= |old(~q_free~0)| 0))) (.cse2 (not (= 1 ~p_dw_i~0))) (.cse10 (not (<= |old(~c_dr_pc~0)| 0))) (.cse9 (= 0 ~p_dw_st~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 (and .cse5 .cse6) .cse4) (or .cse7 .cse2 .cse8 .cse9 .cse4) (or .cse1 .cse2 .cse10 (and .cse11 .cse6)) (or .cse0 .cse2 .cse8 .cse3 .cse4) (or .cse2 .cse8 .cse5 .cse4) (or .cse2 (and .cse0 .cse11) .cse10 .cse3) (or .cse2 .cse8 .cse10 .cse11) (or .cse7 .cse2 .cse8 .cse10 .cse9) (or .cse7 .cse2 .cse10 .cse9 .cse3) (or .cse7 .cse1 .cse2 .cse9 .cse4) (or .cse7 .cse1 .cse2 .cse10 .cse9))) [2020-07-20 15:00:19,786 INFO L264 CegarLoopResult]: At program point L417(line 417) the Hoare annotation is: (let ((.cse6 (<= ~q_free~0 0)) (.cse9 (<= 2 ~c_dr_st~0)) (.cse12 (= 1 ~p_dw_i~0)) (.cse5 (= ~c_dr_pc~0 1))) (let ((.cse4 (not (= 1 |old(~c_dr_pc~0)|))) (.cse3 (not (<= 2 |old(~c_dr_st~0)|))) (.cse7 (not (<= 2 ~q_write_ev~0))) (.cse8 (and .cse9 .cse12 .cse5)) (.cse0 (not (<= |old(~q_free~0)| 0))) (.cse1 (and .cse9 .cse12 .cse5 .cse6)) (.cse2 (not .cse12)) (.cse11 (not (<= |old(~c_dr_pc~0)| 0))) (.cse10 (<= ~c_dr_pc~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 (and .cse5 .cse6) .cse4) (or .cse2 .cse7 .cse8 .cse3 .cse4) (or .cse2 .cse7 .cse5 .cse4) (or .cse2 (and .cse9 .cse10) .cse11 .cse3) (or .cse2 .cse7 .cse8 .cse11 .cse10) (or .cse0 .cse1 .cse2 .cse11 (and .cse10 .cse6))))) [2020-07-20 15:00:19,786 INFO L268 CegarLoopResult]: For program point L405(lines 405 409) no Hoare annotation was computed. [2020-07-20 15:00:19,786 INFO L268 CegarLoopResult]: For program point L405-1(lines 400 440) no Hoare annotation was computed. [2020-07-20 15:00:19,786 INFO L268 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-07-20 15:00:19,786 INFO L264 CegarLoopResult]: At program point L401(line 401) the Hoare annotation is: (let ((.cse6 (<= ~q_free~0 0)) (.cse9 (<= 2 ~c_dr_st~0)) (.cse12 (= 1 ~p_dw_i~0)) (.cse5 (= ~c_dr_pc~0 1))) (let ((.cse4 (not (= 1 |old(~c_dr_pc~0)|))) (.cse3 (not (<= 2 |old(~c_dr_st~0)|))) (.cse7 (not (<= 2 ~q_write_ev~0))) (.cse8 (and .cse9 .cse12 .cse5)) (.cse0 (not (<= |old(~q_free~0)| 0))) (.cse1 (and .cse9 .cse12 .cse5 .cse6)) (.cse2 (not .cse12)) (.cse11 (not (<= |old(~c_dr_pc~0)| 0))) (.cse10 (<= ~c_dr_pc~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 (and .cse5 .cse6) .cse4) (or .cse2 .cse7 .cse8 .cse3 .cse4) (or .cse2 .cse7 .cse5 .cse4) (or .cse2 (and .cse9 .cse10) .cse11 .cse3) (or .cse2 .cse7 .cse8 .cse11 .cse10) (or .cse0 .cse1 .cse2 .cse11 (and .cse10 .cse6))))) [2020-07-20 15:00:19,787 INFO L264 CegarLoopResult]: At program point L432(line 432) the Hoare annotation is: (let ((.cse3 (<= ~q_free~0 0)) (.cse2 (= ~c_dr_pc~0 1)) (.cse0 (not (<= |old(~q_free~0)| 0))) (.cse8 (not (<= 2 |old(~c_dr_st~0)|))) (.cse4 (not (= 1 |old(~c_dr_pc~0)|))) (.cse1 (not (= 1 ~p_dw_i~0))) (.cse7 (not (<= 2 ~q_write_ev~0))) (.cse5 (not (<= |old(~c_dr_pc~0)| 0))) (.cse6 (<= ~c_dr_pc~0 0))) (and (or .cse0 .cse1 (and .cse2 .cse3) .cse4) (or .cse0 .cse1 .cse5 (and .cse6 .cse3)) (or .cse1 .cse7 .cse2 .cse4) (or .cse0 .cse1 .cse8 .cse4) (or .cse1 .cse5 .cse8) (or .cse1 .cse7 .cse8 .cse4) (or .cse1 .cse7 .cse5 .cse6))) [2020-07-20 15:00:19,787 INFO L268 CegarLoopResult]: For program point L414(lines 414 421) no Hoare annotation was computed. [2020-07-20 15:00:19,787 INFO L268 CegarLoopResult]: For program point evalEXIT(lines 394 446) no Hoare annotation was computed. [2020-07-20 15:00:19,787 INFO L268 CegarLoopResult]: For program point L410(lines 400 440) no Hoare annotation was computed. [2020-07-20 15:00:19,787 INFO L264 CegarLoopResult]: At program point L441(lines 394 446) the Hoare annotation is: (let ((.cse6 (<= ~q_free~0 0)) (.cse9 (<= 2 ~c_dr_st~0)) (.cse12 (= 1 ~p_dw_i~0)) (.cse5 (= ~c_dr_pc~0 1))) (let ((.cse4 (not (= 1 |old(~c_dr_pc~0)|))) (.cse3 (not (<= 2 |old(~c_dr_st~0)|))) (.cse7 (not (<= 2 ~q_write_ev~0))) (.cse8 (and .cse9 .cse12 .cse5)) (.cse0 (not (<= |old(~q_free~0)| 0))) (.cse1 (and .cse9 .cse12 .cse5 .cse6)) (.cse2 (not .cse12)) (.cse11 (not (<= |old(~c_dr_pc~0)| 0))) (.cse10 (<= ~c_dr_pc~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 (and .cse5 .cse6) .cse4) (or .cse2 .cse7 .cse8 .cse3 .cse4) (or .cse2 .cse7 .cse5 .cse4) (or .cse2 (and .cse9 .cse10) .cse11 .cse3) (or .cse2 .cse7 .cse8 .cse11 .cse10) (or .cse0 .cse1 .cse2 .cse11 (and .cse10 .cse6))))) [2020-07-20 15:00:19,787 INFO L268 CegarLoopResult]: For program point L429(lines 429 436) no Hoare annotation was computed. [2020-07-20 15:00:19,787 INFO L264 CegarLoopResult]: At program point L425(lines 400 440) the Hoare annotation is: (let ((.cse6 (<= ~q_free~0 0)) (.cse9 (<= 2 ~c_dr_st~0)) (.cse12 (= 1 ~p_dw_i~0)) (.cse5 (= ~c_dr_pc~0 1))) (let ((.cse4 (not (= 1 |old(~c_dr_pc~0)|))) (.cse3 (not (<= 2 |old(~c_dr_st~0)|))) (.cse7 (not (<= 2 ~q_write_ev~0))) (.cse8 (and .cse9 .cse12 .cse5)) (.cse0 (not (<= |old(~q_free~0)| 0))) (.cse1 (and .cse9 .cse12 .cse5 .cse6)) (.cse2 (not .cse12)) (.cse11 (not (<= |old(~c_dr_pc~0)| 0))) (.cse10 (<= ~c_dr_pc~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 (and .cse5 .cse6) .cse4) (or .cse2 .cse7 .cse8 .cse3 .cse4) (or .cse2 .cse7 .cse5 .cse4) (or .cse2 (and .cse9 .cse10) .cse11 .cse3) (or .cse2 .cse7 .cse8 .cse11 .cse10) (or .cse0 .cse1 .cse2 .cse11 (and .cse10 .cse6))))) [2020-07-20 15:00:19,787 INFO L271 CegarLoopResult]: At program point L462(lines 451 464) the Hoare annotation is: true [2020-07-20 15:00:19,788 INFO L268 CegarLoopResult]: For program point L455(lines 455 460) no Hoare annotation was computed. [2020-07-20 15:00:19,788 INFO L268 CegarLoopResult]: For program point stop_simulationEXIT(lines 447 465) no Hoare annotation was computed. [2020-07-20 15:00:19,788 INFO L271 CegarLoopResult]: At program point L453(line 453) the Hoare annotation is: true [2020-07-20 15:00:19,788 INFO L268 CegarLoopResult]: For program point L453-1(line 453) no Hoare annotation was computed. [2020-07-20 15:00:19,788 INFO L271 CegarLoopResult]: At program point stop_simulationENTRY(lines 447 465) the Hoare annotation is: true [2020-07-20 15:00:19,788 INFO L268 CegarLoopResult]: For program point stop_simulationFINAL(lines 447 465) no Hoare annotation was computed. [2020-07-20 15:00:19,788 INFO L268 CegarLoopResult]: For program point L96(lines 96 101) no Hoare annotation was computed. [2020-07-20 15:00:19,788 INFO L268 CegarLoopResult]: For program point L95-1(lines 95 104) no Hoare annotation was computed. [2020-07-20 15:00:19,789 INFO L271 CegarLoopResult]: At program point is_do_read_c_triggeredENTRY(lines 81 109) the Hoare annotation is: true [2020-07-20 15:00:19,789 INFO L268 CegarLoopResult]: For program point L86(lines 86 91) no Hoare annotation was computed. [2020-07-20 15:00:19,789 INFO L268 CegarLoopResult]: For program point L85(lines 85 94) no Hoare annotation was computed. [2020-07-20 15:00:19,789 INFO L268 CegarLoopResult]: For program point L85-2(lines 84 108) no Hoare annotation was computed. [2020-07-20 15:00:19,789 INFO L268 CegarLoopResult]: For program point is_do_read_c_triggeredFINAL(lines 81 109) no Hoare annotation was computed. [2020-07-20 15:00:19,789 INFO L264 CegarLoopResult]: At program point L106(lines 84 108) the Hoare annotation is: (let ((.cse4 (not (<= 2 ~q_write_ev~0))) (.cse5 (not (<= 2 ~slow_clk_edge~0))) (.cse6 (not (= ~c_dr_pc~0 1))) (.cse3 (not (<= ~q_free~0 0))) (.cse0 (not (<= ~c_dr_pc~0 0))) (.cse1 (not (= 1 ~p_dw_i~0))) (.cse2 (= 0 is_do_read_c_triggered_~__retres1~1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse2) (or .cse5 .cse6 .cse1 .cse4 .cse2) (or .cse5 .cse6 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (<= 2 ~c_dr_st~0))))) [2020-07-20 15:00:19,789 INFO L268 CegarLoopResult]: For program point is_do_read_c_triggeredEXIT(lines 81 109) no Hoare annotation was computed. [2020-07-20 15:00:19,789 INFO L264 CegarLoopResult]: At program point update_channelsENTRY(lines 244 258) the Hoare annotation is: (let ((.cse4 (not (= ~c_dr_pc~0 1))) (.cse3 (not (<= ~q_free~0 0))) (.cse0 (not (<= ~c_dr_pc~0 0))) (.cse1 (not (= 1 ~p_dw_i~0))) (.cse2 (and (<= |old(~q_read_ev~0)| ~q_read_ev~0) (<= |old(~q_write_ev~0)| ~q_write_ev~0))) (.cse5 (not (<= 2 |old(~q_write_ev~0)|)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~c_dr_st~0))) (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse5) (or .cse4 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse5))) [2020-07-20 15:00:19,789 INFO L268 CegarLoopResult]: For program point update_channelsEXIT(lines 244 258) no Hoare annotation was computed. [2020-07-20 15:00:19,790 INFO L264 CegarLoopResult]: At program point L250(line 250) the Hoare annotation is: (let ((.cse4 (not (= ~c_dr_pc~0 1))) (.cse3 (not (<= ~q_free~0 0))) (.cse0 (not (<= ~c_dr_pc~0 0))) (.cse1 (not (= 1 ~p_dw_i~0))) (.cse2 (and (<= |old(~q_read_ev~0)| ~q_read_ev~0) (<= |old(~q_write_ev~0)| ~q_write_ev~0))) (.cse5 (not (<= 2 |old(~q_write_ev~0)|)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~c_dr_st~0))) (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse5) (or .cse4 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse5))) [2020-07-20 15:00:19,790 INFO L268 CegarLoopResult]: For program point L248(lines 244 258) no Hoare annotation was computed. [2020-07-20 15:00:19,790 INFO L264 CegarLoopResult]: At program point fire_delta_eventsENTRY(lines 297 314) the Hoare annotation is: (let ((.cse4 (not (= ~c_dr_pc~0 1))) (.cse3 (not (<= ~q_free~0 0))) (.cse0 (not (<= ~c_dr_pc~0 0))) (.cse1 (not (= 1 ~p_dw_i~0))) (.cse2 (and (<= |old(~q_read_ev~0)| ~q_read_ev~0) (<= |old(~q_write_ev~0)| ~q_write_ev~0))) (.cse5 (not (<= 2 |old(~q_write_ev~0)|)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~c_dr_st~0))) (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse5) (or .cse4 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse5))) [2020-07-20 15:00:19,790 INFO L268 CegarLoopResult]: For program point L306-1(lines 297 314) no Hoare annotation was computed. [2020-07-20 15:00:19,790 INFO L268 CegarLoopResult]: For program point L301-1(lines 300 313) no Hoare annotation was computed. [2020-07-20 15:00:19,790 INFO L268 CegarLoopResult]: For program point fire_delta_eventsEXIT(lines 297 314) no Hoare annotation was computed. [2020-07-20 15:00:19,790 INFO L264 CegarLoopResult]: At program point L481-1(lines 478 518) the Hoare annotation is: (let ((.cse1 (<= 2 ~q_write_ev~0)) (.cse0 (<= ~c_dr_pc~0 0)) (.cse2 (= ~c_dr_pc~0 1)) (.cse3 (<= ~q_free~0 0))) (or (and .cse0 .cse1) (not (= 0 |old(~p_dw_st~0)|)) (not (= 1 ~p_dw_i~0)) (and .cse2 .cse1) (and (<= 2 ~c_dr_st~0) .cse0) (not (<= |old(~c_dr_pc~0)| 0)) (and .cse0 .cse3) (and .cse2 .cse3) (not (<= 2 |old(~slow_clk_edge~0)|)) (not (<= 2 |old(~q_write_ev~0)|)) (not (<= 2 |old(~fast_clk_edge~0)|)) (not (<= 2 |old(~q_read_ev~0)|)))) [2020-07-20 15:00:19,790 INFO L264 CegarLoopResult]: At program point L477(line 477) the Hoare annotation is: (let ((.cse0 (= 0 ~p_dw_st~0)) (.cse1 (<= 2 ~fast_clk_edge~0)) (.cse2 (<= 2 ~slow_clk_edge~0)) (.cse3 (<= ~c_dr_pc~0 0))) (or (not (= 0 |old(~p_dw_st~0)|)) (and .cse0 .cse1 .cse2 .cse3 (<= ~q_free~0 0) (<= |old(~q_read_ev~0)| ~q_read_ev~0)) (and (<= 2 ~c_dr_st~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (<= |old(~q_write_ev~0)| ~q_write_ev~0)) (not (= 1 ~p_dw_i~0)) (not (<= |old(~c_dr_pc~0)| 0)) (not (<= 2 |old(~slow_clk_edge~0)|)) (not (<= 2 |old(~q_write_ev~0)|)) (not (<= 2 |old(~q_read_ev~0)|)) (not (<= 2 |old(~fast_clk_edge~0)|)))) [2020-07-20 15:00:19,790 INFO L264 CegarLoopResult]: At program point L475(line 475) the Hoare annotation is: (let ((.cse0 (= 0 ~p_dw_st~0)) (.cse1 (<= 2 ~fast_clk_edge~0)) (.cse2 (<= 2 ~slow_clk_edge~0)) (.cse3 (<= ~c_dr_pc~0 0))) (or (not (= 0 |old(~p_dw_st~0)|)) (and .cse0 .cse1 .cse2 .cse3 (<= ~q_free~0 0) (<= |old(~q_read_ev~0)| ~q_read_ev~0)) (and (<= 2 ~c_dr_st~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (<= |old(~q_write_ev~0)| ~q_write_ev~0)) (not (= 1 ~p_dw_i~0)) (not (<= |old(~c_dr_pc~0)| 0)) (not (<= 2 |old(~slow_clk_edge~0)|)) (not (<= 2 |old(~q_write_ev~0)|)) (not (<= 2 |old(~q_read_ev~0)|)) (not (<= 2 |old(~fast_clk_edge~0)|)))) [2020-07-20 15:00:19,791 INFO L268 CegarLoopResult]: For program point start_simulationEXIT(lines 466 524) no Hoare annotation was computed. [2020-07-20 15:00:19,791 INFO L264 CegarLoopResult]: At program point L504(line 504) the Hoare annotation is: (let ((.cse1 (<= 2 ~q_write_ev~0)) (.cse0 (<= ~c_dr_pc~0 0)) (.cse2 (= ~c_dr_pc~0 1)) (.cse3 (<= ~q_free~0 0))) (or (and .cse0 .cse1) (not (= 0 |old(~p_dw_st~0)|)) (not (= 1 ~p_dw_i~0)) (and .cse2 .cse1) (and (<= 2 ~c_dr_st~0) .cse0) (and .cse0 .cse3) (not (<= |old(~c_dr_pc~0)| 0)) (and .cse2 .cse3) (not (<= 2 |old(~slow_clk_edge~0)|)) (not (<= 2 |old(~q_write_ev~0)|)) (not (<= 2 |old(~fast_clk_edge~0)|)) (not (<= 2 |old(~q_read_ev~0)|)))) [2020-07-20 15:00:19,791 INFO L268 CegarLoopResult]: For program point L500(lines 500 509) no Hoare annotation was computed. [2020-07-20 15:00:19,791 INFO L264 CegarLoopResult]: At program point L500-1(lines 500 509) the Hoare annotation is: (let ((.cse1 (<= 2 ~q_write_ev~0)) (.cse0 (<= ~c_dr_pc~0 0)) (.cse2 (= ~c_dr_pc~0 1)) (.cse3 (<= ~q_free~0 0))) (or (and .cse0 .cse1) (not (= 0 |old(~p_dw_st~0)|)) (not (= 1 ~p_dw_i~0)) (and .cse2 .cse1) (and (<= 2 ~c_dr_st~0) .cse0) (not (<= |old(~c_dr_pc~0)| 0)) (and .cse0 .cse3) (and .cse2 .cse3) (not (<= 2 |old(~slow_clk_edge~0)|)) (not (<= 2 |old(~q_write_ev~0)|)) (not (<= 2 |old(~fast_clk_edge~0)|)) (not (<= 2 |old(~q_read_ev~0)|)))) [2020-07-20 15:00:19,791 INFO L268 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-07-20 15:00:19,791 INFO L264 CegarLoopResult]: At program point L494(line 494) the Hoare annotation is: (let ((.cse1 (<= 2 ~q_write_ev~0)) (.cse0 (<= ~c_dr_pc~0 0)) (.cse2 (= ~c_dr_pc~0 1)) (.cse3 (<= ~q_free~0 0))) (or (and .cse0 .cse1) (not (= 0 |old(~p_dw_st~0)|)) (not (= 1 ~p_dw_i~0)) (and .cse2 .cse1) (and (<= 2 ~c_dr_st~0) .cse0) (not (<= |old(~c_dr_pc~0)| 0)) (and .cse0 .cse3) (and .cse2 .cse3) (not (<= 2 |old(~slow_clk_edge~0)|)) (not (<= 2 |old(~q_write_ev~0)|)) (not (<= 2 |old(~fast_clk_edge~0)|)) (not (<= 2 |old(~q_read_ev~0)|)))) [2020-07-20 15:00:19,791 INFO L271 CegarLoopResult]: At program point L519(lines 466 524) the Hoare annotation is: true [2020-07-20 15:00:19,791 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-20 15:00:19,791 INFO L268 CegarLoopResult]: For program point L513(lines 513 517) no Hoare annotation was computed. [2020-07-20 15:00:19,792 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)) (and (= 0 ~p_dw_st~0) (<= 2 ~fast_clk_edge~0) (<= 2 ~slow_clk_edge~0) (<= ~c_dr_pc~0 0) (<= |old(~q_read_ev~0)| ~q_read_ev~0) (<= |old(~q_write_ev~0)| ~q_write_ev~0)) (not (<= 2 |old(~slow_clk_edge~0)|)) (not (<= 2 |old(~q_write_ev~0)|)) (not (<= 2 |old(~q_read_ev~0)|)) (not (<= 2 |old(~fast_clk_edge~0)|))) [2020-07-20 15:00:19,792 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-20 15:00:19,792 INFO L264 CegarLoopResult]: At program point L476(line 476) the Hoare annotation is: (let ((.cse0 (= 0 ~p_dw_st~0)) (.cse1 (<= 2 ~fast_clk_edge~0)) (.cse2 (<= 2 ~slow_clk_edge~0)) (.cse3 (<= ~c_dr_pc~0 0))) (or (not (= 0 |old(~p_dw_st~0)|)) (and .cse0 .cse1 .cse2 .cse3 (<= ~q_free~0 0) (<= |old(~q_read_ev~0)| ~q_read_ev~0)) (and (<= 2 ~c_dr_st~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (<= |old(~q_write_ev~0)| ~q_write_ev~0)) (not (= 1 ~p_dw_i~0)) (not (<= |old(~c_dr_pc~0)| 0)) (not (<= 2 |old(~slow_clk_edge~0)|)) (not (<= 2 |old(~q_write_ev~0)|)) (not (<= 2 |old(~q_read_ev~0)|)) (not (<= 2 |old(~fast_clk_edge~0)|)))) [2020-07-20 15:00:19,792 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)) (and (= 0 ~p_dw_st~0) (<= 2 ~fast_clk_edge~0) (<= 2 ~slow_clk_edge~0) (<= ~c_dr_pc~0 0) (<= |old(~q_read_ev~0)| ~q_read_ev~0) (<= |old(~q_write_ev~0)| ~q_write_ev~0)) (not (<= 2 |old(~slow_clk_edge~0)|)) (not (<= 2 |old(~q_write_ev~0)|)) (not (<= 2 |old(~q_read_ev~0)|)) (not (<= 2 |old(~fast_clk_edge~0)|))) [2020-07-20 15:00:19,792 INFO L264 CegarLoopResult]: At program point L474-1(line 474) the Hoare annotation is: (let ((.cse0 (= 0 ~p_dw_st~0)) (.cse1 (<= 2 ~fast_clk_edge~0)) (.cse2 (<= 2 ~slow_clk_edge~0)) (.cse3 (<= ~c_dr_pc~0 0))) (or (not (= 0 |old(~p_dw_st~0)|)) (and .cse0 .cse1 .cse2 .cse3 (<= ~q_free~0 0) (<= |old(~q_read_ev~0)| ~q_read_ev~0)) (and .cse0 .cse1 .cse2 .cse3 (<= |old(~q_write_ev~0)| ~q_write_ev~0)) (not (= 1 ~p_dw_i~0)) (not (<= |old(~c_dr_pc~0)| 0)) (not (<= 2 |old(~slow_clk_edge~0)|)) (not (<= 2 |old(~q_write_ev~0)|)) (not (<= 2 |old(~q_read_ev~0)|)) (not (<= 2 |old(~fast_clk_edge~0)|)))) [2020-07-20 15:00:19,792 INFO L264 CegarLoopResult]: At program point L503(line 503) the Hoare annotation is: (let ((.cse1 (<= 2 ~q_write_ev~0)) (.cse0 (<= ~c_dr_pc~0 0)) (.cse2 (= ~c_dr_pc~0 1)) (.cse3 (<= ~q_free~0 0))) (or (and .cse0 .cse1) (not (= 0 |old(~p_dw_st~0)|)) (not (= 1 ~p_dw_i~0)) (and .cse2 .cse1) (and (<= 2 ~c_dr_st~0) .cse0) (and .cse0 .cse3) (not (<= |old(~c_dr_pc~0)| 0)) (and .cse2 .cse3) (not (<= 2 |old(~slow_clk_edge~0)|)) (not (<= 2 |old(~q_write_ev~0)|)) (not (<= 2 |old(~fast_clk_edge~0)|)) (not (<= 2 |old(~q_read_ev~0)|)))) [2020-07-20 15:00:19,792 INFO L264 CegarLoopResult]: At program point L503-1(line 503) the Hoare annotation is: (let ((.cse1 (<= 2 ~q_write_ev~0)) (.cse0 (<= ~c_dr_pc~0 0)) (.cse2 (= ~c_dr_pc~0 1)) (.cse3 (<= ~q_free~0 0))) (or (and .cse0 .cse1) (not (= 0 |old(~p_dw_st~0)|)) (not (= 1 ~p_dw_i~0)) (and .cse2 .cse1) (and (<= 2 ~c_dr_st~0) .cse0) (and .cse0 .cse3) (not (<= |old(~c_dr_pc~0)| 0)) (and .cse2 .cse3) (not (<= 2 |old(~slow_clk_edge~0)|)) (not (<= 2 |old(~q_write_ev~0)|)) (not (<= 2 |old(~fast_clk_edge~0)|)) (not (<= 2 |old(~q_read_ev~0)|)))) [2020-07-20 15:00:19,792 INFO L264 CegarLoopResult]: At program point L495(line 495) the Hoare annotation is: (let ((.cse1 (<= 2 ~q_write_ev~0)) (.cse0 (<= ~c_dr_pc~0 0)) (.cse2 (= ~c_dr_pc~0 1)) (.cse3 (<= ~q_free~0 0))) (or (and .cse0 .cse1) (not (= 0 |old(~p_dw_st~0)|)) (not (= 1 ~p_dw_i~0)) (and .cse2 .cse1) (and (<= 2 ~c_dr_st~0) .cse0) (not (<= |old(~c_dr_pc~0)| 0)) (and .cse0 .cse3) (and .cse2 .cse3) (not (<= 2 |old(~slow_clk_edge~0)|)) (not (<= 2 |old(~q_write_ev~0)|)) (not (<= 2 |old(~fast_clk_edge~0)|)) (not (<= 2 |old(~q_read_ev~0)|)))) [2020-07-20 15:00:19,793 INFO L264 CegarLoopResult]: At program point L493(line 493) the Hoare annotation is: (let ((.cse1 (<= 2 ~q_write_ev~0)) (.cse0 (<= ~c_dr_pc~0 0)) (.cse2 (= ~c_dr_pc~0 1)) (.cse3 (<= ~q_free~0 0))) (or (and .cse0 .cse1) (not (= 0 |old(~p_dw_st~0)|)) (not (= 1 ~p_dw_i~0)) (and .cse2 .cse1) (and (<= 2 ~c_dr_st~0) .cse0) (not (<= |old(~c_dr_pc~0)| 0)) (and .cse0 .cse3) (and .cse2 .cse3) (not (<= 2 |old(~slow_clk_edge~0)|)) (not (<= 2 |old(~q_write_ev~0)|)) (not (<= 2 |old(~fast_clk_edge~0)|)) (not (<= 2 |old(~q_read_ev~0)|)))) [2020-07-20 15:00:19,793 INFO L264 CegarLoopResult]: At program point L493-1(line 493) the Hoare annotation is: (let ((.cse1 (<= 2 ~q_write_ev~0)) (.cse0 (<= ~c_dr_pc~0 0)) (.cse2 (= ~c_dr_pc~0 1)) (.cse3 (<= ~q_free~0 0))) (or (and .cse0 .cse1) (not (= 0 |old(~p_dw_st~0)|)) (not (= 1 ~p_dw_i~0)) (and .cse2 .cse1) (and (<= 2 ~c_dr_st~0) .cse0) (not (<= |old(~c_dr_pc~0)| 0)) (and .cse0 .cse3) (and .cse2 .cse3) (not (<= 2 |old(~slow_clk_edge~0)|)) (not (<= 2 |old(~q_write_ev~0)|)) (not (<= 2 |old(~fast_clk_edge~0)|)) (not (<= 2 |old(~q_read_ev~0)|)))) [2020-07-20 15:00:19,793 INFO L264 CegarLoopResult]: At program point L489(line 489) the Hoare annotation is: (let ((.cse1 (<= 2 ~q_write_ev~0)) (.cse0 (<= ~c_dr_pc~0 0)) (.cse2 (= ~c_dr_pc~0 1)) (.cse3 (<= ~q_free~0 0))) (or (and .cse0 .cse1) (not (= 0 |old(~p_dw_st~0)|)) (not (= 1 ~p_dw_i~0)) (and .cse2 .cse1) (and (<= 2 ~c_dr_st~0) .cse0) (not (<= |old(~c_dr_pc~0)| 0)) (and .cse0 .cse3) (and .cse2 .cse3) (not (<= 2 |old(~slow_clk_edge~0)|)) (not (<= 2 |old(~q_write_ev~0)|)) (not (<= 2 |old(~fast_clk_edge~0)|)) (not (<= 2 |old(~q_read_ev~0)|)))) [2020-07-20 15:00:19,793 INFO L268 CegarLoopResult]: For program point L489-1(line 489) no Hoare annotation was computed. [2020-07-20 15:00:19,793 INFO L264 CegarLoopResult]: At program point L485(line 485) the Hoare annotation is: (let ((.cse1 (<= 2 ~q_write_ev~0)) (.cse0 (<= ~c_dr_pc~0 0)) (.cse2 (= ~c_dr_pc~0 1)) (.cse3 (<= ~q_free~0 0))) (or (and .cse0 .cse1) (not (= 0 |old(~p_dw_st~0)|)) (not (= 1 ~p_dw_i~0)) (and .cse2 .cse1) (and (<= 2 ~c_dr_st~0) .cse0) (not (<= |old(~c_dr_pc~0)| 0)) (and .cse0 .cse3) (and .cse2 .cse3) (not (<= 2 |old(~slow_clk_edge~0)|)) (not (<= 2 |old(~q_write_ev~0)|)) (not (<= 2 |old(~fast_clk_edge~0)|)) (not (<= 2 |old(~q_read_ev~0)|)))) [2020-07-20 15:00:19,793 INFO L268 CegarLoopResult]: For program point L485-1(line 485) no Hoare annotation was computed. [2020-07-20 15:00:19,793 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 15:00:19,793 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~p_dw_st~0) (<= ~c_dr_pc~0 0) (<= ~q_free~0 0)) [2020-07-20 15:00:19,793 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 15:00:19,793 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 15:00:19,793 INFO L268 CegarLoopResult]: For program point L66-1(lines 66 75) no Hoare annotation was computed. [2020-07-20 15:00:19,794 INFO L268 CegarLoopResult]: For program point L57(lines 57 62) no Hoare annotation was computed. [2020-07-20 15:00:19,794 INFO L268 CegarLoopResult]: For program point L56(lines 56 65) no Hoare annotation was computed. [2020-07-20 15:00:19,794 INFO L268 CegarLoopResult]: For program point L56-2(lines 55 79) no Hoare annotation was computed. [2020-07-20 15:00:19,794 INFO L268 CegarLoopResult]: For program point is_do_write_p_triggeredFINAL(lines 52 80) no Hoare annotation was computed. [2020-07-20 15:00:19,794 INFO L268 CegarLoopResult]: For program point is_do_write_p_triggeredEXIT(lines 52 80) no Hoare annotation was computed. [2020-07-20 15:00:19,794 INFO L264 CegarLoopResult]: At program point L77(lines 55 79) the Hoare annotation is: (let ((.cse4 (not (<= ~q_free~0 0))) (.cse6 (not (<= ~c_dr_pc~0 0))) (.cse0 (not (<= 2 ~fast_clk_edge~0))) (.cse1 (= 0 is_do_write_p_triggered_~__retres1~0)) (.cse2 (not (= ~c_dr_pc~0 1))) (.cse3 (not (= 1 ~p_dw_i~0))) (.cse7 (not (<= 2 ~q_write_ev~0))) (.cse5 (not (<= 2 ~q_read_ev~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse1 .cse3 (not (<= 2 ~c_dr_st~0)) .cse5) (or .cse6 .cse0 .cse1 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse1 .cse3 .cse7 .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse7 .cse5))) [2020-07-20 15:00:19,794 INFO L271 CegarLoopResult]: At program point is_do_write_p_triggeredENTRY(lines 52 80) the Hoare annotation is: true [2020-07-20 15:00:19,794 INFO L268 CegarLoopResult]: For program point L67(lines 67 72) no Hoare annotation was computed. [2020-07-20 15:00:19,794 INFO L268 CegarLoopResult]: For program point reset_time_eventsEXIT(lines 351 368) no Hoare annotation was computed. [2020-07-20 15:00:19,794 INFO L268 CegarLoopResult]: For program point L360-1(lines 351 368) no Hoare annotation was computed. [2020-07-20 15:00:19,794 INFO L264 CegarLoopResult]: At program point reset_time_eventsENTRY(lines 351 368) the Hoare annotation is: (let ((.cse0 (not (<= ~c_dr_pc~0 0))) (.cse2 (not (<= 2 ~q_write_ev~0))) (.cse6 (not (= ~c_dr_pc~0 1))) (.cse1 (not (= 1 ~p_dw_i~0))) (.cse3 (<= 2 ~slow_clk_edge~0)) (.cse4 (not (<= 2 |old(~slow_clk_edge~0)|))) (.cse5 (not (<= ~q_free~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse3 .cse4 (not (<= 2 ~c_dr_st~0))) (or .cse6 .cse1 .cse2 .cse3 .cse4) (or .cse6 .cse1 .cse3 .cse4 .cse5))) [2020-07-20 15:00:19,794 INFO L268 CegarLoopResult]: For program point L355-1(lines 354 367) no Hoare annotation was computed. [2020-07-20 15:00:19,794 INFO L268 CegarLoopResult]: For program point L225(lines 225 231) no Hoare annotation was computed. [2020-07-20 15:00:19,795 INFO L268 CegarLoopResult]: For program point L192(lines 192 196) no Hoare annotation was computed. [2020-07-20 15:00:19,795 INFO L268 CegarLoopResult]: For program point do_read_cEXIT(lines 185 243) no Hoare annotation was computed. [2020-07-20 15:00:19,795 INFO L264 CegarLoopResult]: At program point L238(lines 185 243) the Hoare annotation is: (let ((.cse7 (<= 2 ~c_dr_st~0)) (.cse8 (= 1 ~p_dw_i~0)) (.cse9 (= ~c_dr_pc~0 1))) (let ((.cse4 (not (<= |old(~q_free~0)| 0))) (.cse5 (and .cse7 .cse8 .cse9 (<= ~q_free~0 0))) (.cse3 (not (<= |old(~c_dr_pc~0)| 0))) (.cse0 (not .cse8)) (.cse1 (not (<= 2 ~q_write_ev~0))) (.cse2 (and .cse7 .cse8 .cse9)) (.cse6 (not (= 1 |old(~c_dr_pc~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse6) (or .cse4 .cse5 .cse0 .cse3) (or .cse0 .cse1 .cse2 .cse6)))) [2020-07-20 15:00:19,795 INFO L264 CegarLoopResult]: At program point L234(line 234) the Hoare annotation is: (let ((.cse2 (not (= 1 |old(~c_dr_pc~0)|))) (.cse1 (not (<= 2 ~q_write_ev~0))) (.cse3 (not (<= |old(~q_free~0)| 0))) (.cse0 (not (= 1 ~p_dw_i~0))) (.cse4 (not (<= |old(~c_dr_pc~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse2) (or .cse0 .cse1 .cse4) (or .cse3 .cse0 .cse4))) [2020-07-20 15:00:19,795 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-07-20 15:00:19,795 INFO L264 CegarLoopResult]: At program point L234-1(lines 188 242) the Hoare annotation is: (let ((.cse2 (= ~c_dr_pc~0 1)) (.cse4 (not (= 1 |old(~c_dr_pc~0)|))) (.cse0 (not (<= |old(~q_free~0)| 0))) (.cse1 (not (= 1 ~p_dw_i~0))) (.cse3 (<= ~q_free~0 0))) (and (or .cse0 .cse1 (and .cse2 .cse3) .cse4) (or .cse1 (not (<= 2 ~q_write_ev~0)) .cse2 .cse4) (or .cse0 .cse1 (not (<= |old(~c_dr_pc~0)| 0)) .cse3))) [2020-07-20 15:00:19,795 INFO L264 CegarLoopResult]: At program point L193(lines 188 242) the Hoare annotation is: (let ((.cse2 (not (= 1 |old(~c_dr_pc~0)|))) (.cse1 (not (<= 2 ~q_write_ev~0))) (.cse3 (not (<= |old(~q_free~0)| 0))) (.cse0 (not (= 1 ~p_dw_i~0))) (.cse4 (not (<= |old(~c_dr_pc~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse2) (or .cse0 .cse1 .cse4) (or .cse3 .cse0 .cse4))) [2020-07-20 15:00:19,795 INFO L268 CegarLoopResult]: For program point L224(lines 224 236) no Hoare annotation was computed. [2020-07-20 15:00:19,795 INFO L268 CegarLoopResult]: For program point L189(lines 189 197) no Hoare annotation was computed. [2020-07-20 15:00:19,795 INFO L264 CegarLoopResult]: At program point do_read_cENTRY(lines 185 243) the Hoare annotation is: (let ((.cse2 (= ~c_dr_pc~0 1)) (.cse4 (not (= 1 |old(~c_dr_pc~0)|))) (.cse0 (not (<= |old(~q_free~0)| 0))) (.cse3 (<= ~q_free~0 0)) (.cse1 (not (= 1 ~p_dw_i~0))) (.cse5 (not (<= 2 ~q_write_ev~0))) (.cse6 (not (<= |old(~c_dr_pc~0)| 0))) (.cse7 (<= ~c_dr_pc~0 0))) (and (or .cse0 .cse1 (and .cse2 .cse3) .cse4) (or .cse1 .cse5 .cse2 .cse4) (or .cse0 .cse1 .cse6 (and .cse7 .cse3)) (or .cse1 .cse5 .cse6 .cse7))) [2020-07-20 15:00:19,795 INFO L268 CegarLoopResult]: For program point L208-1(lines 208 218) no Hoare annotation was computed. [2020-07-20 15:00:19,796 INFO L264 CegarLoopResult]: At program point L229(line 229) the Hoare annotation is: (let ((.cse2 (not (= 1 |old(~c_dr_pc~0)|))) (.cse1 (not (<= 2 ~q_write_ev~0))) (.cse3 (not (<= |old(~q_free~0)| 0))) (.cse0 (not (= 1 ~p_dw_i~0))) (.cse4 (not (<= |old(~c_dr_pc~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse2) (or .cse0 .cse1 .cse4) (or .cse3 .cse0 .cse4))) [2020-07-20 15:00:19,796 INFO L268 CegarLoopResult]: For program point init_modelFINAL(lines 525 543) no Hoare annotation was computed. [2020-07-20 15:00:19,796 INFO L268 CegarLoopResult]: For program point init_modelEXIT(lines 525 543) no Hoare annotation was computed. [2020-07-20 15:00:19,796 INFO L264 CegarLoopResult]: At program point init_modelENTRY(lines 525 543) the Hoare annotation is: (or (not (= 0 ~p_dw_st~0)) (and (<= ~c_dr_pc~0 0) (<= ~q_free~0 0) (<= |old(~q_read_ev~0)| ~q_read_ev~0) (<= |old(~q_write_ev~0)| ~q_write_ev~0)) (not (<= |old(~q_free~0)| 0)) (not (<= |old(~c_dr_pc~0)| 0))) [2020-07-20 15:00:19,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 03:00:19 BoogieIcfgContainer [2020-07-20 15:00:19,826 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 15:00:19,828 INFO L168 Benchmark]: Toolchain (without parser) took 64900.08 ms. Allocated memory was 137.9 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 102.0 MB in the beginning and 248.5 MB in the end (delta: -146.5 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2020-07-20 15:00:19,829 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-20 15:00:19,829 INFO L168 Benchmark]: CACSL2BoogieTranslator took 539.41 ms. Allocated memory was 137.9 MB in the beginning and 198.7 MB in the end (delta: 60.8 MB). Free memory was 101.6 MB in the beginning and 176.5 MB in the end (delta: -74.9 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2020-07-20 15:00:19,830 INFO L168 Benchmark]: Boogie Preprocessor took 71.50 ms. Allocated memory is still 198.7 MB. Free memory was 176.5 MB in the beginning and 173.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2020-07-20 15:00:19,830 INFO L168 Benchmark]: RCFGBuilder took 626.00 ms. Allocated memory is still 198.7 MB. Free memory was 173.4 MB in the beginning and 137.8 MB in the end (delta: 35.6 MB). Peak memory consumption was 35.6 MB. Max. memory is 7.1 GB. [2020-07-20 15:00:19,831 INFO L168 Benchmark]: TraceAbstraction took 63657.09 ms. Allocated memory was 198.7 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 137.1 MB in the beginning and 248.5 MB in the end (delta: -111.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2020-07-20 15:00:19,833 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 539.41 ms. Allocated memory was 137.9 MB in the beginning and 198.7 MB in the end (delta: 60.8 MB). Free memory was 101.6 MB in the beginning and 176.5 MB in the end (delta: -74.9 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 71.50 ms. Allocated memory is still 198.7 MB. Free memory was 176.5 MB in the beginning and 173.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 626.00 ms. Allocated memory is still 198.7 MB. Free memory was 173.4 MB in the beginning and 137.8 MB in the end (delta: 35.6 MB). Peak memory consumption was 35.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 63657.09 ms. Allocated memory was 198.7 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 137.1 MB in the beginning and 248.5 MB in the end (delta: -111.3 MB). Peak memory consumption was 1.3 GB. 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: ((((!(1 == p_dw_i) || !(2 <= q_write_ev)) || !(1 == \old(c_dr_pc))) && ((!(\old(q_free) <= 0) || !(1 == p_dw_i)) || !(1 == \old(c_dr_pc)))) && ((!(1 == p_dw_i) || !(2 <= q_write_ev)) || !(\old(c_dr_pc) <= 0))) && ((!(\old(q_free) <= 0) || !(1 == p_dw_i)) || !(\old(c_dr_pc) <= 0)) - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: ((((((((!(2 <= fast_clk_edge) || 0 == __retres1) || !(c_dr_pc == 1)) || !(1 == p_dw_i)) || !(q_free <= 0)) || !(2 <= q_read_ev)) && (((((!(c_dr_pc <= 0) || !(2 <= fast_clk_edge)) || 0 == __retres1) || !(1 == p_dw_i)) || !(2 <= c_dr_st)) || !(2 <= q_read_ev))) && (((((!(c_dr_pc <= 0) || !(2 <= fast_clk_edge)) || 0 == __retres1) || !(1 == p_dw_i)) || !(q_free <= 0)) || !(2 <= q_read_ev))) && (((((!(c_dr_pc <= 0) || !(2 <= fast_clk_edge)) || 0 == __retres1) || !(1 == p_dw_i)) || !(2 <= q_write_ev)) || !(2 <= q_read_ev))) && (((((!(2 <= fast_clk_edge) || 0 == __retres1) || !(c_dr_pc == 1)) || !(1 == p_dw_i)) || !(2 <= q_write_ev)) || !(2 <= q_read_ev)) - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: (((((((((!(\old(q_free) <= 0) || (((2 <= c_dr_st && 1 == p_dw_i) && c_dr_pc == 1) && q_free <= 0)) || !(1 == p_dw_i)) || !(2 <= \old(c_dr_st))) || !(1 == \old(c_dr_pc))) && (((!(\old(q_free) <= 0) || !(1 == p_dw_i)) || (c_dr_pc == 1 && q_free <= 0)) || !(1 == \old(c_dr_pc)))) && ((((!(1 == p_dw_i) || !(2 <= q_write_ev)) || ((2 <= c_dr_st && 1 == p_dw_i) && c_dr_pc == 1)) || !(2 <= \old(c_dr_st))) || !(1 == \old(c_dr_pc)))) && (((!(1 == p_dw_i) || !(2 <= q_write_ev)) || c_dr_pc == 1) || !(1 == \old(c_dr_pc)))) && (((!(1 == p_dw_i) || (2 <= c_dr_st && c_dr_pc <= 0)) || !(\old(c_dr_pc) <= 0)) || !(2 <= \old(c_dr_st)))) && ((((!(1 == p_dw_i) || !(2 <= q_write_ev)) || ((2 <= c_dr_st && 1 == p_dw_i) && c_dr_pc == 1)) || !(\old(c_dr_pc) <= 0)) || c_dr_pc <= 0)) && ((((!(\old(q_free) <= 0) || (((2 <= c_dr_st && 1 == p_dw_i) && c_dr_pc == 1) && q_free <= 0)) || !(1 == p_dw_i)) || !(\old(c_dr_pc) <= 0)) || (c_dr_pc <= 0 && q_free <= 0)) - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: (((!(\old(q_free) <= 0) || !(c_dr_pc == 1)) || !(1 == p_dw_i)) || q_free <= 0) && (((!(c_dr_pc <= 0) || !(\old(q_free) <= 0)) || !(1 == p_dw_i)) || q_free <= 0) - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: ((((!(\old(q_free) <= 0) || !(1 == p_dw_i)) || (c_dr_pc == 1 && q_free <= 0)) || !(1 == \old(c_dr_pc))) && (((!(1 == p_dw_i) || !(2 <= q_write_ev)) || c_dr_pc == 1) || !(1 == \old(c_dr_pc)))) && (((!(\old(q_free) <= 0) || !(1 == p_dw_i)) || !(\old(c_dr_pc) <= 0)) || q_free <= 0) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (((!(\old(q_free) <= 0) || !(c_dr_pc == 1)) || !(1 == p_dw_i)) || q_free <= 0) && (((!(c_dr_pc <= 0) || !(\old(q_free) <= 0)) || !(1 == p_dw_i)) || q_free <= 0) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: ((!(c_dr_pc <= 0) || !(\old(q_free) <= 0)) || !(1 == p_dw_i)) || q_free <= 0 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: (((((((((((c_dr_pc <= 0 && 2 <= q_write_ev) || !(0 == \old(p_dw_st))) || !(1 == p_dw_i)) || (c_dr_pc == 1 && 2 <= q_write_ev)) || (2 <= c_dr_st && c_dr_pc <= 0)) || !(\old(c_dr_pc) <= 0)) || (c_dr_pc <= 0 && q_free <= 0)) || (c_dr_pc == 1 && q_free <= 0)) || !(2 <= \old(slow_clk_edge))) || !(2 <= \old(q_write_ev))) || !(2 <= \old(fast_clk_edge))) || !(2 <= \old(q_read_ev)) - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: ((!(c_dr_pc <= 0) || !(\old(q_free) <= 0)) || !(1 == p_dw_i)) || q_free <= 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: (((((((((!(\old(q_free) <= 0) || (((2 <= c_dr_st && 1 == p_dw_i) && c_dr_pc == 1) && q_free <= 0)) || !(1 == p_dw_i)) || !(2 <= \old(c_dr_st))) || !(1 == \old(c_dr_pc))) && (((!(\old(q_free) <= 0) || !(1 == p_dw_i)) || (c_dr_pc == 1 && q_free <= 0)) || !(1 == \old(c_dr_pc)))) && ((((!(1 == p_dw_i) || !(2 <= q_write_ev)) || ((2 <= c_dr_st && 1 == p_dw_i) && c_dr_pc == 1)) || !(2 <= \old(c_dr_st))) || !(1 == \old(c_dr_pc)))) && (((!(1 == p_dw_i) || !(2 <= q_write_ev)) || c_dr_pc == 1) || !(1 == \old(c_dr_pc)))) && (((!(1 == p_dw_i) || (2 <= c_dr_st && c_dr_pc <= 0)) || !(\old(c_dr_pc) <= 0)) || !(2 <= \old(c_dr_st)))) && ((((!(1 == p_dw_i) || !(2 <= q_write_ev)) || ((2 <= c_dr_st && 1 == p_dw_i) && c_dr_pc == 1)) || !(\old(c_dr_pc) <= 0)) || c_dr_pc <= 0)) && ((((!(\old(q_free) <= 0) || (((2 <= c_dr_st && 1 == p_dw_i) && c_dr_pc == 1) && q_free <= 0)) || !(1 == p_dw_i)) || !(\old(c_dr_pc) <= 0)) || (c_dr_pc <= 0 && q_free <= 0)) - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: ((((((!(c_dr_pc <= 0) || !(1 == p_dw_i)) || 0 == __retres1) || !(q_free <= 0)) && (((!(c_dr_pc <= 0) || !(1 == p_dw_i)) || !(2 <= q_write_ev)) || 0 == __retres1)) && ((((!(2 <= slow_clk_edge) || !(c_dr_pc == 1)) || !(1 == p_dw_i)) || !(2 <= q_write_ev)) || 0 == __retres1)) && ((((!(2 <= slow_clk_edge) || !(c_dr_pc == 1)) || !(1 == p_dw_i)) || 0 == __retres1) || !(q_free <= 0))) && (((!(c_dr_pc <= 0) || !(1 == p_dw_i)) || 0 == __retres1) || !(2 <= c_dr_st)) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: (((((!(1 == p_dw_i) || !(2 <= q_write_ev)) || ((2 <= c_dr_st && 1 == p_dw_i) && c_dr_pc == 1)) || !(\old(c_dr_pc) <= 0)) && (((!(\old(q_free) <= 0) || (((2 <= c_dr_st && 1 == p_dw_i) && c_dr_pc == 1) && q_free <= 0)) || !(1 == p_dw_i)) || !(1 == \old(c_dr_pc)))) && (((!(\old(q_free) <= 0) || (((2 <= c_dr_st && 1 == p_dw_i) && c_dr_pc == 1) && q_free <= 0)) || !(1 == p_dw_i)) || !(\old(c_dr_pc) <= 0))) && (((!(1 == p_dw_i) || !(2 <= q_write_ev)) || ((2 <= c_dr_st && 1 == p_dw_i) && c_dr_pc == 1)) || !(1 == \old(c_dr_pc))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 158 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.0s, OverallIterations: 12, TraceHistogramMax: 5, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 50.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2650 SDtfs, 1875 SDslu, 2830 SDs, 0 SdLazy, 874 SolverSat, 284 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1188 GetRequests, 1157 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19119occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.0s AutomataMinimizationTime, 12 MinimizatonAttempts, 740 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 22217 PreInvPairs, 28893 NumberOfFragments, 4510 HoareAnnotationTreeSize, 22217 FomulaSimplifications, 138631 FormulaSimplificationTreeSizeReduction, 10.4s HoareSimplificationTime, 63 FomulaSimplificationsInter, 242892 FormulaSimplificationTreeSizeReductionInter, 39.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 1194 NumberOfCodeBlocks, 641 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 1182 ConstructedInterpolants, 0 QuantifiedInterpolants, 181766 SizeOfPredicates, 12 NumberOfNonLiveVariables, 5147 ConjunctsInSsa, 64 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 228/228 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...