/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label19.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:29:34,984 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:29:34,988 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:29:35,016 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:29:35,016 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:29:35,017 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:29:35,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:29:35,021 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:29:35,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:29:35,024 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:29:35,025 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:29:35,026 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:29:35,026 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:29:35,027 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:29:35,029 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:29:35,030 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:29:35,031 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:29:35,032 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:29:35,034 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:29:35,036 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:29:35,038 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:29:35,039 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:29:35,040 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:29:35,041 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:29:35,049 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:29:35,050 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:29:35,050 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:29:35,051 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:29:35,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:29:35,055 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:29:35,055 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:29:35,056 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:29:35,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:29:35,057 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:29:35,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:29:35,060 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:29:35,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:29:35,061 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:29:35,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:29:35,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:29:35,065 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:29:35,066 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 12:29:35,127 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:29:35,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:29:35,129 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:29:35,129 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:29:35,129 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:29:35,129 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:29:35,130 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:29:35,130 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:29:35,131 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:29:35,131 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:29:35,131 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:29:35,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:29:35,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:29:35,132 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:29:35,132 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:29:35,132 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:29:35,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:29:35,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:29:35,134 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:29:35,134 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:29:35,134 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:29:35,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:29:35,135 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:29:35,135 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:29:35,135 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:29:35,136 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:29:35,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:29:35,136 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:29:35,136 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:29:35,136 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:29:35,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:29:35,647 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:29:35,652 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:29:35,656 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:29:35,656 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:29:35,658 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label19.c [2020-09-21 12:29:35,745 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a81481c52/f0328718a3e147409ca00a85132ffefc/FLAG32dba10ff [2020-09-21 12:29:36,433 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:29:36,434 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label19.c [2020-09-21 12:29:36,446 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a81481c52/f0328718a3e147409ca00a85132ffefc/FLAG32dba10ff [2020-09-21 12:29:36,718 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a81481c52/f0328718a3e147409ca00a85132ffefc [2020-09-21 12:29:36,732 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:29:36,738 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:29:36,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:29:36,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:29:36,744 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:29:36,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:29:36" (1/1) ... [2020-09-21 12:29:36,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ce0c36b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:29:36, skipping insertion in model container [2020-09-21 12:29:36,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:29:36" (1/1) ... [2020-09-21 12:29:36,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:29:36,826 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:29:37,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:29:37,370 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:29:37,497 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:29:37,518 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:29:37,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:29:37 WrapperNode [2020-09-21 12:29:37,519 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:29:37,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:29:37,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:29:37,520 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:29:37,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:29:37" (1/1) ... [2020-09-21 12:29:37,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:29:37" (1/1) ... [2020-09-21 12:29:37,557 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:29:37" (1/1) ... [2020-09-21 12:29:37,558 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:29:37" (1/1) ... [2020-09-21 12:29:37,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:29:37" (1/1) ... [2020-09-21 12:29:37,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:29:37" (1/1) ... [2020-09-21 12:29:37,625 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:29:37" (1/1) ... [2020-09-21 12:29:37,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:29:37,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:29:37,633 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:29:37,633 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:29:37,635 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:29:37" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:29:37,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:29:37,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:29:37,726 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-21 12:29:37,726 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:29:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-21 12:29:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:29:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:29:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 12:29:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:29:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:29:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:29:39,048 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:29:39,050 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-21 12:29:39,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:29:39 BoogieIcfgContainer [2020-09-21 12:29:39,063 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:29:39,066 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:29:39,066 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:29:39,070 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:29:39,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:29:36" (1/3) ... [2020-09-21 12:29:39,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4079f57a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:29:39, skipping insertion in model container [2020-09-21 12:29:39,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:29:37" (2/3) ... [2020-09-21 12:29:39,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4079f57a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:29:39, skipping insertion in model container [2020-09-21 12:29:39,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:29:39" (3/3) ... [2020-09-21 12:29:39,075 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label19.c [2020-09-21 12:29:39,087 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:29:39,099 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:29:39,121 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:29:39,153 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:29:39,154 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:29:39,154 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:29:39,154 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:29:39,154 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:29:39,154 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:29:39,154 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:29:39,154 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:29:39,179 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-09-21 12:29:39,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-09-21 12:29:39,192 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:29:39,193 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:29:39,193 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:29:39,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:29:39,200 INFO L82 PathProgramCache]: Analyzing trace with hash 797442718, now seen corresponding path program 1 times [2020-09-21 12:29:39,209 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:29:39,209 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1586618525] [2020-09-21 12:29:39,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:29:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:39,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:40,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:40,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:40,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-09-21 12:29:40,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:29:40,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1008 [2020-09-21 12:29:40,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:40,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:29:40,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:29:40,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-09-21 12:29:40,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 12:29:40,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:29:40,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:40,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:40,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:40,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:29:40,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:40,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 12:29:40,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:40,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:29:40,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:40,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:29:40,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:40,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:29:40,708 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1586618525] [2020-09-21 12:29:40,710 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:29:40,711 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 12:29:40,712 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132679864] [2020-09-21 12:29:40,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:29:40,720 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:29:40,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:29:40,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:29:40,743 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 4 states. [2020-09-21 12:29:42,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:29:42,430 INFO L93 Difference]: Finished difference Result 627 states and 1073 transitions. [2020-09-21 12:29:42,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:29:42,433 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2020-09-21 12:29:42,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:29:42,466 INFO L225 Difference]: With dead ends: 627 [2020-09-21 12:29:42,467 INFO L226 Difference]: Without dead ends: 327 [2020-09-21 12:29:42,482 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:29:42,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-09-21 12:29:42,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 319. [2020-09-21 12:29:42,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-09-21 12:29:42,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 480 transitions. [2020-09-21 12:29:42,575 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 480 transitions. Word has length 98 [2020-09-21 12:29:42,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:29:42,576 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 480 transitions. [2020-09-21 12:29:42,576 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:29:42,576 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 480 transitions. [2020-09-21 12:29:42,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-09-21 12:29:42,583 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:29:42,583 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:29:42,584 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:29:42,584 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:29:42,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:29:42,585 INFO L82 PathProgramCache]: Analyzing trace with hash 1720377347, now seen corresponding path program 1 times [2020-09-21 12:29:42,585 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:29:42,585 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [465540828] [2020-09-21 12:29:42,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:29:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:42,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:42,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:43,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:43,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-09-21 12:29:43,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:29:43,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1022 [2020-09-21 12:29:43,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:43,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:29:43,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-21 12:29:43,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-21 12:29:43,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 25 [2020-09-21 12:29:43,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:29:43,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:43,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:43,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:43,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:29:43,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:43,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:29:43,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:43,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:29:43,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:43,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:29:43,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:29:43,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:29:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:43,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:43,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:43,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:29:43,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:43,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-21 12:29:43,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:43,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:29:43,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:43,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 12:29:43,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:29:43,871 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:29:43,871 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [465540828] [2020-09-21 12:29:43,872 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:29:43,872 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:29:43,872 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212069909] [2020-09-21 12:29:43,874 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:29:43,875 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:29:43,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:29:43,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:29:43,875 INFO L87 Difference]: Start difference. First operand 319 states and 480 transitions. Second operand 5 states. [2020-09-21 12:29:45,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:29:45,450 INFO L93 Difference]: Finished difference Result 938 states and 1440 transitions. [2020-09-21 12:29:45,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:29:45,450 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 113 [2020-09-21 12:29:45,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:29:45,456 INFO L225 Difference]: With dead ends: 938 [2020-09-21 12:29:45,456 INFO L226 Difference]: Without dead ends: 625 [2020-09-21 12:29:45,458 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:29:45,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2020-09-21 12:29:45,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 613. [2020-09-21 12:29:45,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 613 states. [2020-09-21 12:29:45,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 813 transitions. [2020-09-21 12:29:45,505 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 813 transitions. Word has length 113 [2020-09-21 12:29:45,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:29:45,506 INFO L479 AbstractCegarLoop]: Abstraction has 613 states and 813 transitions. [2020-09-21 12:29:45,506 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:29:45,506 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 813 transitions. [2020-09-21 12:29:45,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-09-21 12:29:45,513 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:29:45,514 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:29:45,514 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:29:45,514 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:29:45,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:29:45,515 INFO L82 PathProgramCache]: Analyzing trace with hash -540211274, now seen corresponding path program 1 times [2020-09-21 12:29:45,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:29:45,515 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [769861965] [2020-09-21 12:29:45,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:29:45,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:45,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:45,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:46,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:46,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-09-21 12:29:46,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:29:46,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1018 [2020-09-21 12:29:46,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:46,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:29:46,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-09-21 12:29:46,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-21 12:29:46,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:46,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:29:46,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:46,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:46,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:46,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:29:46,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:46,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:29:46,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:46,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:29:46,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:46,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:29:46,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:29:46,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:29:46,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:46,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:46,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:46,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 12:29:46,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:46,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-21 12:29:46,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:46,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:29:46,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:46,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 12:29:46,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:29:46,777 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:29:46,777 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [769861965] [2020-09-21 12:29:46,777 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:29:46,778 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:29:46,778 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862205093] [2020-09-21 12:29:46,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:29:46,779 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:29:46,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:29:46,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:29:46,780 INFO L87 Difference]: Start difference. First operand 613 states and 813 transitions. Second operand 5 states. [2020-09-21 12:29:48,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:29:48,361 INFO L93 Difference]: Finished difference Result 1528 states and 2140 transitions. [2020-09-21 12:29:48,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:29:48,364 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2020-09-21 12:29:48,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:29:48,371 INFO L225 Difference]: With dead ends: 1528 [2020-09-21 12:29:48,372 INFO L226 Difference]: Without dead ends: 921 [2020-09-21 12:29:48,374 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:29:48,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2020-09-21 12:29:48,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 907. [2020-09-21 12:29:48,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 907 states. [2020-09-21 12:29:48,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1176 transitions. [2020-09-21 12:29:48,424 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1176 transitions. Word has length 120 [2020-09-21 12:29:48,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:29:48,424 INFO L479 AbstractCegarLoop]: Abstraction has 907 states and 1176 transitions. [2020-09-21 12:29:48,425 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:29:48,425 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1176 transitions. [2020-09-21 12:29:48,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-09-21 12:29:48,432 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:29:48,432 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:29:48,432 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:29:48,433 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:29:48,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:29:48,433 INFO L82 PathProgramCache]: Analyzing trace with hash 1255105582, now seen corresponding path program 1 times [2020-09-21 12:29:48,433 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:29:48,434 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [778299217] [2020-09-21 12:29:48,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:29:48,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:48,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:48,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:49,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:49,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-09-21 12:29:49,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:29:49,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1018 [2020-09-21 12:29:49,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:49,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:29:49,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-09-21 12:29:49,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-21 12:29:49,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:49,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:29:49,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:49,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:49,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:49,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:29:49,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:49,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:29:49,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:49,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:29:49,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:49,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:29:49,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:29:49,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:29:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:49,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:49,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:49,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:29:49,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:49,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-21 12:29:49,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:49,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:29:49,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:49,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-21 12:29:49,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:49,816 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:29:49,817 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [778299217] [2020-09-21 12:29:49,817 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:29:49,817 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:29:49,818 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786695417] [2020-09-21 12:29:49,819 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:29:49,819 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:29:49,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:29:49,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:29:49,820 INFO L87 Difference]: Start difference. First operand 907 states and 1176 transitions. Second operand 5 states. [2020-09-21 12:29:51,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:29:51,188 INFO L93 Difference]: Finished difference Result 1908 states and 2559 transitions. [2020-09-21 12:29:51,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:29:51,189 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 124 [2020-09-21 12:29:51,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:29:51,195 INFO L225 Difference]: With dead ends: 1908 [2020-09-21 12:29:51,195 INFO L226 Difference]: Without dead ends: 921 [2020-09-21 12:29:51,198 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:29:51,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2020-09-21 12:29:51,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 907. [2020-09-21 12:29:51,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 907 states. [2020-09-21 12:29:51,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1156 transitions. [2020-09-21 12:29:51,233 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1156 transitions. Word has length 124 [2020-09-21 12:29:51,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:29:51,233 INFO L479 AbstractCegarLoop]: Abstraction has 907 states and 1156 transitions. [2020-09-21 12:29:51,233 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:29:51,233 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1156 transitions. [2020-09-21 12:29:51,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-09-21 12:29:51,237 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:29:51,237 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 12:29:51,237 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:29:51,237 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:29:51,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:29:51,238 INFO L82 PathProgramCache]: Analyzing trace with hash -569982810, now seen corresponding path program 1 times [2020-09-21 12:29:51,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:29:51,238 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1855127668] [2020-09-21 12:29:51,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:29:51,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:51,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:51,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:51,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:52,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:52,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-09-21 12:29:52,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:29:52,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1019 [2020-09-21 12:29:52,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:52,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:29:52,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-09-21 12:29:52,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-21 12:29:52,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:52,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:29:52,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:52,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:52,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:52,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:29:52,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:52,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:29:52,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:52,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:29:52,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:52,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:29:52,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:29:52,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:29:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:52,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:52,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:52,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-21 12:29:52,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:52,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-21 12:29:52,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:52,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:29:52,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:52,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 12:29:52,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:29:52,519 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:29:52,519 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1855127668] [2020-09-21 12:29:52,520 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:29:52,520 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:29:52,520 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869938619] [2020-09-21 12:29:52,521 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:29:52,521 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:29:52,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:29:52,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:29:52,522 INFO L87 Difference]: Start difference. First operand 907 states and 1156 transitions. Second operand 5 states. [2020-09-21 12:29:53,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:29:53,877 INFO L93 Difference]: Finished difference Result 2554 states and 3350 transitions. [2020-09-21 12:29:53,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:29:53,878 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 128 [2020-09-21 12:29:53,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:29:53,888 INFO L225 Difference]: With dead ends: 2554 [2020-09-21 12:29:53,888 INFO L226 Difference]: Without dead ends: 1212 [2020-09-21 12:29:53,893 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:29:53,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1212 states. [2020-09-21 12:29:53,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1212 to 1056. [2020-09-21 12:29:53,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1056 states. [2020-09-21 12:29:53,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1311 transitions. [2020-09-21 12:29:53,946 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1311 transitions. Word has length 128 [2020-09-21 12:29:53,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:29:53,948 INFO L479 AbstractCegarLoop]: Abstraction has 1056 states and 1311 transitions. [2020-09-21 12:29:53,948 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:29:53,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1311 transitions. [2020-09-21 12:29:53,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-09-21 12:29:53,952 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:29:53,952 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 12:29:53,952 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 12:29:53,952 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:29:53,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:29:53,953 INFO L82 PathProgramCache]: Analyzing trace with hash 1877661198, now seen corresponding path program 1 times [2020-09-21 12:29:53,953 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:29:53,953 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [274637436] [2020-09-21 12:29:53,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:29:53,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:54,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:54,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:54,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:54,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-09-21 12:29:54,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:29:54,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1009 [2020-09-21 12:29:54,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:54,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:29:54,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-09-21 12:29:54,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-21 12:29:54,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:55,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:29:55,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:55,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:55,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:55,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:29:55,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:55,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:29:55,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:55,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:29:55,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:55,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:29:55,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:55,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:29:55,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:55,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:55,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:55,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-21 12:29:55,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:55,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-21 12:29:55,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:55,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:29:55,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:55,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-21 12:29:55,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:55,289 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 38 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:29:55,289 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [274637436] [2020-09-21 12:29:55,291 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:29:55,291 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-21 12:29:55,291 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913139137] [2020-09-21 12:29:55,292 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 12:29:55,293 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:29:55,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 12:29:55,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:29:55,294 INFO L87 Difference]: Start difference. First operand 1056 states and 1311 transitions. Second operand 6 states. [2020-09-21 12:29:57,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:29:57,047 INFO L93 Difference]: Finished difference Result 3289 states and 4290 transitions. [2020-09-21 12:29:57,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:29:57,050 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 140 [2020-09-21 12:29:57,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:29:57,061 INFO L225 Difference]: With dead ends: 3289 [2020-09-21 12:29:57,062 INFO L226 Difference]: Without dead ends: 2238 [2020-09-21 12:29:57,065 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:29:57,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2238 states. [2020-09-21 12:29:57,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2238 to 2078. [2020-09-21 12:29:57,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2078 states. [2020-09-21 12:29:57,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2078 states to 2078 states and 2644 transitions. [2020-09-21 12:29:57,142 INFO L78 Accepts]: Start accepts. Automaton has 2078 states and 2644 transitions. Word has length 140 [2020-09-21 12:29:57,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:29:57,143 INFO L479 AbstractCegarLoop]: Abstraction has 2078 states and 2644 transitions. [2020-09-21 12:29:57,143 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 12:29:57,143 INFO L276 IsEmpty]: Start isEmpty. Operand 2078 states and 2644 transitions. [2020-09-21 12:29:57,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-21 12:29:57,153 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:29:57,153 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 12:29:57,154 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 12:29:57,154 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:29:57,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:29:57,154 INFO L82 PathProgramCache]: Analyzing trace with hash -216169760, now seen corresponding path program 1 times [2020-09-21 12:29:57,154 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:29:57,155 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1226412364] [2020-09-21 12:29:57,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:29:57,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:57,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:57,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:58,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:58,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-09-21 12:29:58,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:29:58,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1006 [2020-09-21 12:29:58,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:58,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:29:58,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-09-21 12:29:58,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-09-21 12:29:58,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:58,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:29:58,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:58,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:58,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:58,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:29:58,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:58,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:29:58,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:58,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:29:58,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:58,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:29:58,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:58,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:29:58,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:58,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:58,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:58,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-21 12:29:58,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:58,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-21 12:29:58,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:58,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:29:58,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:58,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-21 12:29:58,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:29:58,482 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 52 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:29:58,483 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1226412364] [2020-09-21 12:29:58,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:29:58,484 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:29:58,484 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028633993] [2020-09-21 12:29:58,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:29:58,485 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:29:58,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:29:58,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:29:58,486 INFO L87 Difference]: Start difference. First operand 2078 states and 2644 transitions. Second operand 5 states. [2020-09-21 12:30:00,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:30:00,133 INFO L93 Difference]: Finished difference Result 4889 states and 6396 transitions. [2020-09-21 12:30:00,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:30:00,134 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-09-21 12:30:00,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:30:00,134 INFO L225 Difference]: With dead ends: 4889 [2020-09-21 12:30:00,135 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:30:00,145 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:30:00,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:30:00,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:30:00,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:30:00,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:30:00,146 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 156 [2020-09-21 12:30:00,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:30:00,147 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:30:00,147 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:30:00,147 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:30:00,147 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:30:00,147 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 12:30:00,150 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:30:01,316 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 30 [2020-09-21 12:30:01,648 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 30 [2020-09-21 12:30:02,281 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 55 [2020-09-21 12:30:02,458 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2020-09-21 12:30:02,555 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:30:02,556 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-09-21 12:30:02,556 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:30:02,556 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,556 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,556 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,556 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,556 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,557 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-09-21 12:30:02,557 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-09-21 12:30:02,557 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-09-21 12:30:02,557 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-09-21 12:30:02,557 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-09-21 12:30:02,557 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-09-21 12:30:02,557 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-09-21 12:30:02,557 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-09-21 12:30:02,557 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-09-21 12:30:02,557 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-09-21 12:30:02,557 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-09-21 12:30:02,558 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-09-21 12:30:02,558 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-09-21 12:30:02,558 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,558 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,558 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,558 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,558 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-09-21 12:30:02,558 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,558 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-09-21 12:30:02,558 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-09-21 12:30:02,558 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-09-21 12:30:02,559 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-09-21 12:30:02,559 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-09-21 12:30:02,559 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-09-21 12:30:02,559 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-09-21 12:30:02,559 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-09-21 12:30:02,559 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-09-21 12:30:02,559 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-09-21 12:30:02,559 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-09-21 12:30:02,560 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-09-21 12:30:02,560 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-09-21 12:30:02,560 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-09-21 12:30:02,560 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-09-21 12:30:02,560 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,561 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,561 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,561 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,561 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,561 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 448) no Hoare annotation was computed. [2020-09-21 12:30:02,561 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-09-21 12:30:02,562 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-09-21 12:30:02,562 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-09-21 12:30:02,562 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-09-21 12:30:02,562 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-09-21 12:30:02,562 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-09-21 12:30:02,563 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-09-21 12:30:02,563 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-09-21 12:30:02,563 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-09-21 12:30:02,563 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-09-21 12:30:02,563 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-09-21 12:30:02,563 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,563 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,564 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,564 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,564 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,564 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-09-21 12:30:02,564 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-09-21 12:30:02,564 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-09-21 12:30:02,564 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-09-21 12:30:02,564 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-09-21 12:30:02,565 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-09-21 12:30:02,565 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-09-21 12:30:02,565 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-09-21 12:30:02,565 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-09-21 12:30:02,565 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-09-21 12:30:02,565 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-09-21 12:30:02,565 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-09-21 12:30:02,565 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-09-21 12:30:02,566 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,566 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,566 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,566 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,566 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,566 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-09-21 12:30:02,566 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-09-21 12:30:02,567 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-09-21 12:30:02,567 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-09-21 12:30:02,567 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-09-21 12:30:02,567 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-09-21 12:30:02,567 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-09-21 12:30:02,567 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-09-21 12:30:02,567 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-09-21 12:30:02,567 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-09-21 12:30:02,568 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-09-21 12:30:02,568 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-09-21 12:30:02,568 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-09-21 12:30:02,568 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-09-21 12:30:02,568 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-09-21 12:30:02,568 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-09-21 12:30:02,568 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,568 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,568 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,569 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,569 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-09-21 12:30:02,569 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,569 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-09-21 12:30:02,569 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,569 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-09-21 12:30:02,569 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-09-21 12:30:02,569 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-09-21 12:30:02,570 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,570 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,570 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-09-21 12:30:02,570 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-09-21 12:30:02,570 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-09-21 12:30:02,570 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-09-21 12:30:02,570 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-09-21 12:30:02,570 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-09-21 12:30:02,570 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-09-21 12:30:02,571 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-09-21 12:30:02,571 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-09-21 12:30:02,571 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-09-21 12:30:02,571 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-09-21 12:30:02,571 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,571 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,571 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,571 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,572 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,572 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,572 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-09-21 12:30:02,572 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-09-21 12:30:02,572 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-09-21 12:30:02,572 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-09-21 12:30:02,572 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-09-21 12:30:02,572 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-09-21 12:30:02,572 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-09-21 12:30:02,573 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-09-21 12:30:02,573 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-09-21 12:30:02,573 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-09-21 12:30:02,573 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-09-21 12:30:02,573 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,573 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,573 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,574 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,574 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,574 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,574 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-09-21 12:30:02,574 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-09-21 12:30:02,574 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-09-21 12:30:02,574 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-09-21 12:30:02,574 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-09-21 12:30:02,574 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-09-21 12:30:02,574 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-09-21 12:30:02,574 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-09-21 12:30:02,575 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-09-21 12:30:02,575 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-09-21 12:30:02,575 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-09-21 12:30:02,575 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-09-21 12:30:02,575 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-09-21 12:30:02,575 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-09-21 12:30:02,575 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,576 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,576 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,578 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse1 (= ~a17~0 |old(~a17~0)|)) (.cse2 (= ~a11~0 |old(~a11~0)|)) (.cse3 (= ~a25~0 |old(~a25~0)|)) (.cse4 (= ~a19~0 |old(~a19~0)|))) (let ((.cse0 (and (= ~a28~0 |old(~a28~0)|) .cse1 .cse2 .cse3 .cse4))) (and (or .cse0 (and (not (<= 1 |old(~a19~0)|)) (not (< 0 |old(~a25~0)|))) (and (or (not (< 1 |old(~a25~0)|)) (not (<= |old(~a19~0)| 1))) (not (<= |old(~a25~0)| 0)))) (or .cse0 (= |old(~a19~0)| |old(~a25~0)|) (not (<= 10 |old(~a28~0)|))) (or (and .cse1 .cse2 .cse3 (= ~a28~0 9) .cse4) (not (= 9 |old(~a28~0)|))) (or .cse0 (not (<= 11 |old(~a28~0)|))) (or .cse0 (not (= |old(~a11~0)| 1))) (or (not (<= 8 |old(~a17~0)|)) .cse0)))) [2020-09-21 12:30:02,578 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,578 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,578 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,578 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-09-21 12:30:02,578 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-09-21 12:30:02,578 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-09-21 12:30:02,579 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-09-21 12:30:02,579 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-09-21 12:30:02,579 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-09-21 12:30:02,579 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-09-21 12:30:02,579 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-09-21 12:30:02,579 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-09-21 12:30:02,579 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-09-21 12:30:02,579 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-09-21 12:30:02,580 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-09-21 12:30:02,580 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-09-21 12:30:02,580 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,580 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,580 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,580 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,580 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,580 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,580 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-09-21 12:30:02,581 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-09-21 12:30:02,581 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-09-21 12:30:02,581 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-09-21 12:30:02,581 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-09-21 12:30:02,581 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-09-21 12:30:02,581 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-09-21 12:30:02,581 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-09-21 12:30:02,582 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-09-21 12:30:02,582 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-09-21 12:30:02,582 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-09-21 12:30:02,582 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-09-21 12:30:02,582 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-09-21 12:30:02,582 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-09-21 12:30:02,582 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-09-21 12:30:02,582 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-09-21 12:30:02,582 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,583 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,583 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,583 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,583 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:02,583 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-09-21 12:30:02,583 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-09-21 12:30:02,583 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-09-21 12:30:02,583 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-09-21 12:30:02,584 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-09-21 12:30:02,584 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-09-21 12:30:02,584 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-09-21 12:30:02,584 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-09-21 12:30:02,584 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-09-21 12:30:02,584 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-09-21 12:30:02,584 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-09-21 12:30:02,584 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-09-21 12:30:02,584 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-09-21 12:30:02,585 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-09-21 12:30:02,585 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-09-21 12:30:02,585 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-09-21 12:30:02,585 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-09-21 12:30:02,585 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-09-21 12:30:02,585 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-09-21 12:30:02,585 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:30:02,585 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (or (<= 1 ~a19~0) (< 0 ~a25~0)) (or (<= ~a25~0 0) (and (< 1 ~a25~0) (<= ~a19~0 1))) (<= 8 ~a17~0)) [2020-09-21 12:30:02,586 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:30:02,586 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:30:02,586 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= 8 |old(~a17~0)|)) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a19~0 |old(~a19~0)|)) (and (not (<= 1 |old(~a19~0)|)) (not (< 0 |old(~a25~0)|))) (and (or (not (< 1 |old(~a25~0)|)) (not (<= |old(~a19~0)| 1))) (not (<= |old(~a25~0)| 0)))) [2020-09-21 12:30:02,586 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (or (<= 11 ~a28~0) (not (<= 8 |old(~a17~0)|)) (<= 8 ~a17~0) (and (or (<= 1 ~a19~0) (< 0 ~a25~0)) (or (<= ~a25~0 0) (and (< 1 ~a25~0) (<= ~a19~0 1)))) (= ~a28~0 9) (and (not (<= 1 |old(~a19~0)|)) (not (< 0 |old(~a25~0)|))) (and (or (not (< 1 |old(~a25~0)|)) (not (<= |old(~a19~0)| 1))) (not (<= |old(~a25~0)| 0))) (= ~a11~0 1) (and (<= 10 ~a28~0) (not (= ~a25~0 ~a19~0)))) [2020-09-21 12:30:02,586 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-09-21 12:30:02,586 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-09-21 12:30:02,587 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (or (<= 11 ~a28~0) (not (<= 8 |old(~a17~0)|)) (<= 8 ~a17~0) (and (or (<= 1 ~a19~0) (< 0 ~a25~0)) (or (<= ~a25~0 0) (and (< 1 ~a25~0) (<= ~a19~0 1)))) (= ~a28~0 9) (and (not (<= 1 |old(~a19~0)|)) (not (< 0 |old(~a25~0)|))) (and (or (not (< 1 |old(~a25~0)|)) (not (<= |old(~a19~0)| 1))) (not (<= |old(~a25~0)| 0))) (= ~a11~0 1) (and (<= 10 ~a28~0) (not (= ~a25~0 ~a19~0)))) [2020-09-21 12:30:02,587 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-09-21 12:30:02,587 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-09-21 12:30:02,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:30:02 BoogieIcfgContainer [2020-09-21 12:30:02,633 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:30:02,639 INFO L168 Benchmark]: Toolchain (without parser) took 25901.15 ms. Allocated memory was 145.8 MB in the beginning and 518.0 MB in the end (delta: 372.2 MB). Free memory was 98.1 MB in the beginning and 442.3 MB in the end (delta: -344.2 MB). Peak memory consumption was 388.5 MB. Max. memory is 7.1 GB. [2020-09-21 12:30:02,642 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.8 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 12:30:02,644 INFO L168 Benchmark]: CACSL2BoogieTranslator took 780.01 ms. Allocated memory was 145.8 MB in the beginning and 201.9 MB in the end (delta: 56.1 MB). Free memory was 97.4 MB in the beginning and 165.1 MB in the end (delta: -67.7 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:30:02,645 INFO L168 Benchmark]: Boogie Preprocessor took 113.05 ms. Allocated memory is still 201.9 MB. Free memory was 165.1 MB in the beginning and 159.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2020-09-21 12:30:02,646 INFO L168 Benchmark]: RCFGBuilder took 1431.16 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 159.8 MB in the beginning and 174.5 MB in the end (delta: -14.7 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. [2020-09-21 12:30:02,650 INFO L168 Benchmark]: TraceAbstraction took 23566.92 ms. Allocated memory was 234.4 MB in the beginning and 518.0 MB in the end (delta: 283.6 MB). Free memory was 174.5 MB in the beginning and 442.3 MB in the end (delta: -267.7 MB). Peak memory consumption was 376.3 MB. Max. memory is 7.1 GB. [2020-09-21 12:30:02,655 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 145.8 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 780.01 ms. Allocated memory was 145.8 MB in the beginning and 201.9 MB in the end (delta: 56.1 MB). Free memory was 97.4 MB in the beginning and 165.1 MB in the end (delta: -67.7 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.05 ms. Allocated memory is still 201.9 MB. Free memory was 165.1 MB in the beginning and 159.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1431.16 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 159.8 MB in the beginning and 174.5 MB in the end (delta: -14.7 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23566.92 ms. Allocated memory was 234.4 MB in the beginning and 518.0 MB in the end (delta: 283.6 MB). Free memory was 174.5 MB in the beginning and 442.3 MB in the end (delta: -267.7 MB). Peak memory consumption was 376.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 448]: 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: 606]: Loop Invariant Derived loop invariant: (((((((11 <= a28 || !(8 <= \old(a17))) || 8 <= a17) || ((1 <= a19 || 0 < a25) && (a25 <= 0 || (1 < a25 && a19 <= 1)))) || a28 == 9) || (!(1 <= \old(a19)) && !(0 < \old(a25)))) || ((!(1 < \old(a25)) || !(\old(a19) <= 1)) && !(\old(a25) <= 0))) || a11 == 1) || (10 <= a28 && !(a25 == a19)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.9s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 11.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 269 SDtfs, 2220 SDslu, 243 SDs, 0 SdLazy, 5280 SolverSat, 728 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 75 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2078occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 364 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 72 PreInvPairs, 124 NumberOfFragments, 402 HoareAnnotationTreeSize, 72 FomulaSimplifications, 84460 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1878 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 8.7s InterpolantComputationTime, 879 NumberOfCodeBlocks, 879 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 872 ConstructedInterpolants, 0 QuantifiedInterpolants, 515771 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 167/173 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...