/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label41.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 10:10:50,950 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 10:10:50,953 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 10:10:50,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 10:10:50,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 10:10:50,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 10:10:50,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 10:10:50,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 10:10:51,001 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 10:10:51,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 10:10:51,004 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 10:10:51,005 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 10:10:51,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 10:10:51,007 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 10:10:51,008 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 10:10:51,009 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 10:10:51,010 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 10:10:51,011 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 10:10:51,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 10:10:51,015 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 10:10:51,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 10:10:51,019 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 10:10:51,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 10:10:51,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 10:10:51,024 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 10:10:51,024 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 10:10:51,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 10:10:51,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 10:10:51,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 10:10:51,027 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 10:10:51,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 10:10:51,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 10:10:51,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 10:10:51,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 10:10:51,031 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 10:10:51,032 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 10:10:51,033 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 10:10:51,033 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 10:10:51,033 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 10:10:51,034 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 10:10:51,035 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 10:10:51,039 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 10:10:51,085 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 10:10:51,085 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 10:10:51,089 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 10:10:51,090 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 10:10:51,090 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 10:10:51,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 10:10:51,090 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 10:10:51,091 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 10:10:51,091 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 10:10:51,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 10:10:51,092 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 10:10:51,092 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 10:10:51,093 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 10:10:51,093 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 10:10:51,093 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 10:10:51,093 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 10:10:51,106 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 10:10:51,107 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 10:10:51,107 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 10:10:51,107 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 10:10:51,107 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 10:10:51,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 10:10:51,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 10:10:51,108 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 10:10:51,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 10:10:51,109 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 10:10:51,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 10:10:51,109 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 10:10:51,109 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 10:10:51,109 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 10:10:51,514 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 10:10:51,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 10:10:51,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 10:10:51,547 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 10:10:51,548 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 10:10:51,549 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label41.c [2020-10-28 10:10:51,633 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/55afc6476/f4e114d4cb734261a4d8cd1616d90a1f/FLAG42869b172 [2020-10-28 10:10:52,431 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 10:10:52,432 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label41.c [2020-10-28 10:10:52,443 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/55afc6476/f4e114d4cb734261a4d8cd1616d90a1f/FLAG42869b172 [2020-10-28 10:10:52,674 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/55afc6476/f4e114d4cb734261a4d8cd1616d90a1f [2020-10-28 10:10:52,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 10:10:52,685 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 10:10:52,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 10:10:52,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 10:10:52,691 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 10:10:52,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:10:52" (1/1) ... [2020-10-28 10:10:52,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@96cc21f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:10:52, skipping insertion in model container [2020-10-28 10:10:52,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:10:52" (1/1) ... [2020-10-28 10:10:52,703 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 10:10:52,743 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 10:10:53,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 10:10:53,143 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 10:10:53,292 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 10:10:53,310 INFO L208 MainTranslator]: Completed translation [2020-10-28 10:10:53,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:10:53 WrapperNode [2020-10-28 10:10:53,311 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 10:10:53,312 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 10:10:53,312 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 10:10:53,312 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 10:10:53,326 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:10:53" (1/1) ... [2020-10-28 10:10:53,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:10:53" (1/1) ... [2020-10-28 10:10:53,363 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:10:53" (1/1) ... [2020-10-28 10:10:53,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:10:53" (1/1) ... [2020-10-28 10:10:53,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:10:53" (1/1) ... [2020-10-28 10:10:53,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:10:53" (1/1) ... [2020-10-28 10:10:53,427 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:10:53" (1/1) ... [2020-10-28 10:10:53,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 10:10:53,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 10:10:53,437 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 10:10:53,437 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 10:10:53,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:10:53" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 10:10:53,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 10:10:53,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 10:10:53,534 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 10:10:53,534 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-28 10:10:53,534 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 10:10:53,535 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-28 10:10:53,535 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 10:10:53,536 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 10:10:53,536 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 10:10:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 10:10:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 10:10:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 10:10:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 10:10:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 10:10:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 10:10:53,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 10:10:53,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 10:10:53,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 10:10:53,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 10:10:54,913 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 10:10:54,913 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 10:10:54,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:10:54 BoogieIcfgContainer [2020-10-28 10:10:54,916 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 10:10:54,920 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 10:10:54,920 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 10:10:54,925 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 10:10:54,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:10:52" (1/3) ... [2020-10-28 10:10:54,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e2e8f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:10:54, skipping insertion in model container [2020-10-28 10:10:54,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:10:53" (2/3) ... [2020-10-28 10:10:54,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e2e8f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:10:54, skipping insertion in model container [2020-10-28 10:10:54,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:10:54" (3/3) ... [2020-10-28 10:10:54,930 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label41.c [2020-10-28 10:10:54,943 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 10:10:54,949 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 10:10:54,964 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 10:10:55,008 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 10:10:55,008 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 10:10:55,009 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 10:10:55,009 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 10:10:55,009 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 10:10:55,009 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 10:10:55,009 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 10:10:55,009 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 10:10:55,040 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-28 10:10:55,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-28 10:10:55,057 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:10:55,058 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] [2020-10-28 10:10:55,058 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:10:55,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:10:55,068 INFO L82 PathProgramCache]: Analyzing trace with hash 1756184309, now seen corresponding path program 1 times [2020-10-28 10:10:55,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:10:55,078 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [964378899] [2020-10-28 10:10:55,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:10:55,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:10:55,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:55,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:57,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:10:57,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-28 10:10:57,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:10:57,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1716 [2020-10-28 10:10:57,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:10:57,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:10:57,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 10:10:57,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 10:10:57,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-28 10:10:57,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-28 10:10:57,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:10:57,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:10:57,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:57,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:10:57,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:10:57,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:10:57,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 10:10:57,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:10:57,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:10:57,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:10:57,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:10:57,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 10:10:57,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:10:57,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:10:57,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [964378899] [2020-10-28 10:10:57,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 10:10:57,413 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 10:10:57,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978274840] [2020-10-28 10:10:57,421 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 10:10:57,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:10:57,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 10:10:57,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 10:10:57,446 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 4 states. [2020-10-28 10:10:59,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:10:59,369 INFO L93 Difference]: Finished difference Result 667 states and 1119 transitions. [2020-10-28 10:10:59,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:10:59,371 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 97 [2020-10-28 10:10:59,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:10:59,387 INFO L225 Difference]: With dead ends: 667 [2020-10-28 10:10:59,387 INFO L226 Difference]: Without dead ends: 342 [2020-10-28 10:10:59,394 INFO L677 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 [2020-10-28 10:10:59,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-10-28 10:10:59,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 338. [2020-10-28 10:10:59,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2020-10-28 10:10:59,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 489 transitions. [2020-10-28 10:10:59,476 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 489 transitions. Word has length 97 [2020-10-28 10:10:59,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:10:59,477 INFO L481 AbstractCegarLoop]: Abstraction has 338 states and 489 transitions. [2020-10-28 10:10:59,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 10:10:59,477 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 489 transitions. [2020-10-28 10:10:59,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-10-28 10:10:59,483 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:10:59,484 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2020-10-28 10:10:59,484 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 10:10:59,484 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:10:59,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:10:59,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1860414273, now seen corresponding path program 1 times [2020-10-28 10:10:59,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:10:59,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2107208961] [2020-10-28 10:10:59,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:10:59,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:10:59,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:59,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:59,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:00,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:00,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-28 10:11:00,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 10:11:00,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 754 [2020-10-28 10:11:00,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:00,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:00,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:11:00,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-28 10:11:00,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-28 10:11:00,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:11:00,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:11:00,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:00,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:00,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:00,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:11:00,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:00,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 10:11:00,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:00,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:00,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:11:00,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:11:00,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:11:00,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:11:00,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:11:00,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:00,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:00,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:00,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 10:11:00,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:00,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 10:11:00,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:00,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:00,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:11:00,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:11:00,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 10:11:00,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:11:00,535 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:11:00,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2107208961] [2020-10-28 10:11:00,536 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:11:00,536 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-28 10:11:00,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872445925] [2020-10-28 10:11:00,538 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 10:11:00,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:11:00,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 10:11:00,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:11:00,539 INFO L87 Difference]: Start difference. First operand 338 states and 489 transitions. Second operand 6 states. [2020-10-28 10:11:03,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:11:03,062 INFO L93 Difference]: Finished difference Result 1271 states and 1906 transitions. [2020-10-28 10:11:03,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 10:11:03,063 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 105 [2020-10-28 10:11:03,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:11:03,081 INFO L225 Difference]: With dead ends: 1271 [2020-10-28 10:11:03,081 INFO L226 Difference]: Without dead ends: 939 [2020-10-28 10:11:03,083 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-28 10:11:03,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2020-10-28 10:11:03,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 925. [2020-10-28 10:11:03,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 925 states. [2020-10-28 10:11:03,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1318 transitions. [2020-10-28 10:11:03,191 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1318 transitions. Word has length 105 [2020-10-28 10:11:03,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:11:03,192 INFO L481 AbstractCegarLoop]: Abstraction has 925 states and 1318 transitions. [2020-10-28 10:11:03,193 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 10:11:03,193 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1318 transitions. [2020-10-28 10:11:03,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-28 10:11:03,206 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:11:03,207 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:11:03,209 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 10:11:03,209 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:11:03,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:11:03,211 INFO L82 PathProgramCache]: Analyzing trace with hash -998786269, now seen corresponding path program 1 times [2020-10-28 10:11:03,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:11:03,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [168634268] [2020-10-28 10:11:03,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:11:03,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:03,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:03,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:03,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:04,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:07,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:07,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:08,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:08,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-28 10:11:08,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 10:11:08,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-28 10:11:08,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:08,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:08,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:11:08,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-28 10:11:08,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-28 10:11:08,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:11:08,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:11:08,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:08,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:08,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:08,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:11:08,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:08,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 10:11:08,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:08,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:08,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:11:08,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:11:08,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:11:08,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:11:08,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:11:08,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:08,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:08,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:08,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 10:11:08,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:08,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 10:11:08,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:08,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:08,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:11:08,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:11:08,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 10:11:08,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:08,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 10:11:08,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:08,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:08,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:08,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:08,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-28 10:11:08,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:11:08,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-28 10:11:08,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:08,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:08,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:11:08,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 10:11:08,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 10:11:08,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:08,534 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 10:11:08,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [168634268] [2020-10-28 10:11:08,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:11:08,535 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 10:11:08,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404672493] [2020-10-28 10:11:08,535 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 10:11:08,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:11:08,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 10:11:08,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 10:11:08,537 INFO L87 Difference]: Start difference. First operand 925 states and 1318 transitions. Second operand 7 states. [2020-10-28 10:11:10,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:11:10,591 INFO L93 Difference]: Finished difference Result 2779 states and 4202 transitions. [2020-10-28 10:11:10,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 10:11:10,594 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 125 [2020-10-28 10:11:10,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:11:10,613 INFO L225 Difference]: With dead ends: 2779 [2020-10-28 10:11:10,613 INFO L226 Difference]: Without dead ends: 1860 [2020-10-28 10:11:10,617 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-28 10:11:10,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1860 states. [2020-10-28 10:11:10,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1860 to 1826. [2020-10-28 10:11:10,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1826 states. [2020-10-28 10:11:10,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1826 states to 1826 states and 2545 transitions. [2020-10-28 10:11:10,745 INFO L78 Accepts]: Start accepts. Automaton has 1826 states and 2545 transitions. Word has length 125 [2020-10-28 10:11:10,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:11:10,747 INFO L481 AbstractCegarLoop]: Abstraction has 1826 states and 2545 transitions. [2020-10-28 10:11:10,747 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 10:11:10,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1826 states and 2545 transitions. [2020-10-28 10:11:10,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-28 10:11:10,756 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:11:10,756 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-28 10:11:10,756 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 10:11:10,757 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:11:10,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:11:10,757 INFO L82 PathProgramCache]: Analyzing trace with hash 293636838, now seen corresponding path program 1 times [2020-10-28 10:11:10,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:11:10,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1604102088] [2020-10-28 10:11:10,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:11:10,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:10,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:10,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:11,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:14,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:15,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:15,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:15,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-28 10:11:15,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 10:11:15,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-28 10:11:15,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:15,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:15,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 10:11:15,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-28 10:11:15,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-28 10:11:15,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 10:11:15,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:11:15,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:15,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:15,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:15,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:11:15,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:15,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 10:11:15,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:15,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:15,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:11:15,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:11:15,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:11:15,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:15,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:11:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:15,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:16,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:16,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 10:11:16,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:16,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 10:11:16,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:16,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:16,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:11:16,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:11:16,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 10:11:16,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:16,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 10:11:16,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:16,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:16,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:16,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:16,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-28 10:11:16,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:11:16,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-28 10:11:16,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:16,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:16,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:11:16,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 10:11:16,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 10:11:16,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:16,178 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 32 proven. 15 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-28 10:11:16,178 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1604102088] [2020-10-28 10:11:16,178 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:11:16,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 10:11:16,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712199695] [2020-10-28 10:11:16,180 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 10:11:16,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:11:16,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 10:11:16,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-28 10:11:16,181 INFO L87 Difference]: Start difference. First operand 1826 states and 2545 transitions. Second operand 8 states. [2020-10-28 10:11:18,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:11:18,955 INFO L93 Difference]: Finished difference Result 6402 states and 9469 transitions. [2020-10-28 10:11:18,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 10:11:18,956 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 139 [2020-10-28 10:11:18,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:11:18,996 INFO L225 Difference]: With dead ends: 6402 [2020-10-28 10:11:18,996 INFO L226 Difference]: Without dead ends: 4582 [2020-10-28 10:11:19,006 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-28 10:11:19,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4582 states. [2020-10-28 10:11:19,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4582 to 4223. [2020-10-28 10:11:19,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4223 states. [2020-10-28 10:11:19,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4223 states to 4223 states and 5844 transitions. [2020-10-28 10:11:19,220 INFO L78 Accepts]: Start accepts. Automaton has 4223 states and 5844 transitions. Word has length 139 [2020-10-28 10:11:19,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:11:19,221 INFO L481 AbstractCegarLoop]: Abstraction has 4223 states and 5844 transitions. [2020-10-28 10:11:19,221 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 10:11:19,221 INFO L276 IsEmpty]: Start isEmpty. Operand 4223 states and 5844 transitions. [2020-10-28 10:11:19,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-28 10:11:19,232 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:11:19,232 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 10:11:19,233 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 10:11:19,233 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:11:19,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:11:19,234 INFO L82 PathProgramCache]: Analyzing trace with hash 10991677, now seen corresponding path program 1 times [2020-10-28 10:11:19,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:11:19,235 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1410623457] [2020-10-28 10:11:19,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:11:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:19,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:19,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:19,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:20,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:20,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-28 10:11:20,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 10:11:20,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1335 [2020-10-28 10:11:20,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:20,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:20,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:11:20,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-28 10:11:20,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-28 10:11:20,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:11:20,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:11:20,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:20,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:20,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:20,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:11:20,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:20,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 10:11:20,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:20,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:20,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:11:20,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:11:20,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:11:20,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:20,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:11:20,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:20,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:20,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:20,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 10:11:20,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:20,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 10:11:20,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:20,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:20,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:11:20,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:11:20,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 10:11:20,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:20,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 10:11:20,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:20,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:20,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:20,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-28 10:11:20,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:20,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-28 10:11:20,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:20,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:20,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:11:20,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 10:11:20,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-28 10:11:20,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:20,895 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 54 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 10:11:20,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1410623457] [2020-10-28 10:11:20,896 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:11:20,896 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 10:11:20,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837344113] [2020-10-28 10:11:20,897 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 10:11:20,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:11:20,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 10:11:20,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 10:11:20,898 INFO L87 Difference]: Start difference. First operand 4223 states and 5844 transitions. Second operand 7 states. [2020-10-28 10:11:22,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:11:22,930 INFO L93 Difference]: Finished difference Result 8995 states and 13239 transitions. [2020-10-28 10:11:22,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 10:11:22,931 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 152 [2020-10-28 10:11:22,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:11:22,971 INFO L225 Difference]: With dead ends: 8995 [2020-10-28 10:11:22,972 INFO L226 Difference]: Without dead ends: 4778 [2020-10-28 10:11:22,986 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-28 10:11:22,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4778 states. [2020-10-28 10:11:23,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4778 to 4075. [2020-10-28 10:11:23,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4075 states. [2020-10-28 10:11:23,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4075 states to 4075 states and 5491 transitions. [2020-10-28 10:11:23,204 INFO L78 Accepts]: Start accepts. Automaton has 4075 states and 5491 transitions. Word has length 152 [2020-10-28 10:11:23,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:11:23,205 INFO L481 AbstractCegarLoop]: Abstraction has 4075 states and 5491 transitions. [2020-10-28 10:11:23,205 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 10:11:23,205 INFO L276 IsEmpty]: Start isEmpty. Operand 4075 states and 5491 transitions. [2020-10-28 10:11:23,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-28 10:11:23,216 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:11:23,217 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2020-10-28 10:11:23,217 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 10:11:23,217 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:11:23,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:11:23,218 INFO L82 PathProgramCache]: Analyzing trace with hash 1109677333, now seen corresponding path program 1 times [2020-10-28 10:11:23,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:11:23,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [32448257] [2020-10-28 10:11:23,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:11:23,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:23,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:23,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:23,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:23,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:23,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:24,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:24,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:28,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:28,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-10-28 10:11:28,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 10:11:28,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-28 10:11:28,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:28,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:28,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:11:28,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-28 10:11:28,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 10:11:28,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:28,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:11:28,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:28,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:28,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:28,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:11:28,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:28,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 10:11:28,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:28,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:28,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:11:28,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:11:28,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:11:28,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:28,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:11:28,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:28,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:28,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:28,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 10:11:28,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:28,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 10:11:28,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:28,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:28,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:11:28,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:11:28,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:11:28,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:28,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 10:11:28,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:28,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:28,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:28,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-28 10:11:28,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:28,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 10:11:28,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:28,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:28,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:11:28,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-28 10:11:28,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 10:11:28,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:28,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 10:11:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:28,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:28,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:28,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-28 10:11:28,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:28,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 10:11:28,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:28,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:28,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:11:28,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-28 10:11:28,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:11:28,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:28,504 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 63 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-10-28 10:11:28,504 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [32448257] [2020-10-28 10:11:28,506 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:11:28,506 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:11:28,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337179128] [2020-10-28 10:11:28,506 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:11:28,507 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:11:28,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:11:28,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:11:28,508 INFO L87 Difference]: Start difference. First operand 4075 states and 5491 transitions. Second operand 5 states. [2020-10-28 10:11:29,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:11:29,934 INFO L93 Difference]: Finished difference Result 8152 states and 11047 transitions. [2020-10-28 10:11:29,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:11:29,935 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 166 [2020-10-28 10:11:29,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:11:29,955 INFO L225 Difference]: With dead ends: 8152 [2020-10-28 10:11:29,955 INFO L226 Difference]: Without dead ends: 4083 [2020-10-28 10:11:29,966 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:11:29,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4083 states. [2020-10-28 10:11:30,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4083 to 3785. [2020-10-28 10:11:30,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3785 states. [2020-10-28 10:11:30,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3785 states to 3785 states and 4714 transitions. [2020-10-28 10:11:30,086 INFO L78 Accepts]: Start accepts. Automaton has 3785 states and 4714 transitions. Word has length 166 [2020-10-28 10:11:30,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:11:30,086 INFO L481 AbstractCegarLoop]: Abstraction has 3785 states and 4714 transitions. [2020-10-28 10:11:30,086 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:11:30,086 INFO L276 IsEmpty]: Start isEmpty. Operand 3785 states and 4714 transitions. [2020-10-28 10:11:30,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-10-28 10:11:30,095 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:11:30,096 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:11:30,096 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 10:11:30,096 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:11:30,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:11:30,097 INFO L82 PathProgramCache]: Analyzing trace with hash -373823026, now seen corresponding path program 1 times [2020-10-28 10:11:30,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:11:30,097 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [711855017] [2020-10-28 10:11:30,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:11:30,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:30,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:30,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:30,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:31,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:34,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:34,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-28 10:11:34,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 10:11:34,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4238 [2020-10-28 10:11:34,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:34,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:34,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 10:11:34,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 10:11:34,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-28 10:11:34,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:34,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:11:34,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:34,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:34,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:34,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:11:34,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:34,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 10:11:34,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:34,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:34,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:11:34,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:11:34,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:11:34,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:34,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:11:34,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:34,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:34,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:34,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 10:11:34,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:34,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 10:11:34,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:34,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:34,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:11:34,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:11:34,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:11:34,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:34,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 10:11:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:34,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:34,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:34,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 10:11:34,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:34,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 10:11:34,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:34,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:34,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:11:34,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:11:34,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 10:11:34,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:34,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 10:11:34,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:34,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:34,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:34,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:34,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-28 10:11:34,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:11:34,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-28 10:11:34,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:34,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:34,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:11:34,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 10:11:34,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-28 10:11:34,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:34,833 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 90 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-28 10:11:34,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [711855017] [2020-10-28 10:11:34,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:11:34,835 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 10:11:34,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105105843] [2020-10-28 10:11:34,836 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 10:11:34,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:11:34,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 10:11:34,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-28 10:11:34,838 INFO L87 Difference]: Start difference. First operand 3785 states and 4714 transitions. Second operand 7 states. [2020-10-28 10:11:35,275 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-28 10:11:36,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:11:36,641 INFO L93 Difference]: Finished difference Result 7610 states and 9584 transitions. [2020-10-28 10:11:36,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 10:11:36,642 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 174 [2020-10-28 10:11:36,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:11:36,661 INFO L225 Difference]: With dead ends: 7610 [2020-10-28 10:11:36,661 INFO L226 Difference]: Without dead ends: 3831 [2020-10-28 10:11:36,672 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-10-28 10:11:36,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3831 states. [2020-10-28 10:11:36,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3831 to 3199. [2020-10-28 10:11:36,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3199 states. [2020-10-28 10:11:36,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3199 states to 3199 states and 3693 transitions. [2020-10-28 10:11:36,769 INFO L78 Accepts]: Start accepts. Automaton has 3199 states and 3693 transitions. Word has length 174 [2020-10-28 10:11:36,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:11:36,770 INFO L481 AbstractCegarLoop]: Abstraction has 3199 states and 3693 transitions. [2020-10-28 10:11:36,770 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 10:11:36,770 INFO L276 IsEmpty]: Start isEmpty. Operand 3199 states and 3693 transitions. [2020-10-28 10:11:36,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-28 10:11:36,778 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:11:36,778 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2020-10-28 10:11:36,778 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 10:11:36,779 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:11:36,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:11:36,779 INFO L82 PathProgramCache]: Analyzing trace with hash 1051655057, now seen corresponding path program 1 times [2020-10-28 10:11:36,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:11:36,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1363169090] [2020-10-28 10:11:36,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:11:36,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:36,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:36,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:36,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:37,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:37,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:41,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:41,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-28 10:11:41,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 10:11:41,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 10:11:41,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:41,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:41,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:11:41,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 10:11:41,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-28 10:11:41,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:41,956 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-28 10:11:41,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:11:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:41,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:41,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:41,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:11:41,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:41,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 10:11:41,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:41,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:41,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:11:41,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:11:41,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:11:41,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:41,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:11:41,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:41,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:41,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:41,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 10:11:41,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:41,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 10:11:41,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:41,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:41,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:11:41,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:11:41,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:11:41,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:41,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 10:11:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:42,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:42,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:42,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 10:11:42,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:42,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 10:11:42,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:42,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:42,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:11:42,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:11:42,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 10:11:42,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:42,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 10:11:42,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:42,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:42,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:42,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 10:11:42,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:42,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-28 10:11:42,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:42,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:42,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:11:42,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 10:11:42,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-28 10:11:42,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:42,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-28 10:11:42,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:42,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:42,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:42,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-28 10:11:42,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:42,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 10:11:42,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:42,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:42,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:11:42,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-28 10:11:42,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:11:42,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:42,170 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 103 proven. 17 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-28 10:11:42,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1363169090] [2020-10-28 10:11:42,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:11:42,171 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 10:11:42,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847897564] [2020-10-28 10:11:42,173 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 10:11:42,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:11:42,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 10:11:42,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-28 10:11:42,174 INFO L87 Difference]: Start difference. First operand 3199 states and 3693 transitions. Second operand 8 states. [2020-10-28 10:11:44,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:11:44,074 INFO L93 Difference]: Finished difference Result 6530 states and 7562 transitions. [2020-10-28 10:11:44,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 10:11:44,075 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 177 [2020-10-28 10:11:44,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:11:44,086 INFO L225 Difference]: With dead ends: 6530 [2020-10-28 10:11:44,086 INFO L226 Difference]: Without dead ends: 2747 [2020-10-28 10:11:44,094 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-10-28 10:11:44,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2747 states. [2020-10-28 10:11:44,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2747 to 2729. [2020-10-28 10:11:44,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2729 states. [2020-10-28 10:11:44,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2729 states to 2729 states and 3068 transitions. [2020-10-28 10:11:44,168 INFO L78 Accepts]: Start accepts. Automaton has 2729 states and 3068 transitions. Word has length 177 [2020-10-28 10:11:44,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:11:44,168 INFO L481 AbstractCegarLoop]: Abstraction has 2729 states and 3068 transitions. [2020-10-28 10:11:44,169 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 10:11:44,169 INFO L276 IsEmpty]: Start isEmpty. Operand 2729 states and 3068 transitions. [2020-10-28 10:11:44,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-10-28 10:11:44,177 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:11:44,177 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:11:44,178 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 10:11:44,178 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:11:44,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:11:44,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1118834413, now seen corresponding path program 1 times [2020-10-28 10:11:44,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:11:44,179 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [761720007] [2020-10-28 10:11:44,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:11:44,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:44,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:44,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:44,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:44,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:44,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:48,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:49,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:49,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-28 10:11:49,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 10:11:49,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-28 10:11:49,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:49,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:49,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 10:11:49,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-28 10:11:49,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-28 10:11:49,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:49,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:11:49,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:49,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:49,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:49,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:11:49,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:49,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 10:11:49,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:49,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:49,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:11:49,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:11:49,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:11:49,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:49,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:11:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:49,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:49,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:49,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 10:11:49,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:49,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 10:11:49,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:49,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:49,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:11:49,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:11:49,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:11:49,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:49,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 10:11:49,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:49,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:49,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:49,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 10:11:49,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:49,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 10:11:49,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:49,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:49,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:11:49,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:11:49,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:11:49,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:49,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 10:11:49,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:49,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:49,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:49,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 10:11:49,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:49,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 10:11:49,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:49,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:49,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:11:49,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:11:49,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-28 10:11:49,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:49,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-28 10:11:49,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:49,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:49,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:49,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:49,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-28 10:11:49,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:11:49,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-28 10:11:49,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:49,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:49,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:11:49,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:11:49,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-28 10:11:49,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:49,678 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 127 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2020-10-28 10:11:49,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [761720007] [2020-10-28 10:11:49,683 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:11:49,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-28 10:11:49,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093464767] [2020-10-28 10:11:49,684 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 10:11:49,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:11:49,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 10:11:49,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:11:49,686 INFO L87 Difference]: Start difference. First operand 2729 states and 3068 transitions. Second operand 6 states. [2020-10-28 10:11:51,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:11:51,613 INFO L93 Difference]: Finished difference Result 4822 states and 5456 transitions. [2020-10-28 10:11:51,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 10:11:51,613 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 222 [2020-10-28 10:11:51,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:11:51,627 INFO L225 Difference]: With dead ends: 4822 [2020-10-28 10:11:51,627 INFO L226 Difference]: Without dead ends: 3452 [2020-10-28 10:11:51,631 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-28 10:11:51,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3452 states. [2020-10-28 10:11:51,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3452 to 2874. [2020-10-28 10:11:51,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2874 states. [2020-10-28 10:11:51,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2874 states to 2874 states and 3227 transitions. [2020-10-28 10:11:51,711 INFO L78 Accepts]: Start accepts. Automaton has 2874 states and 3227 transitions. Word has length 222 [2020-10-28 10:11:51,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:11:51,711 INFO L481 AbstractCegarLoop]: Abstraction has 2874 states and 3227 transitions. [2020-10-28 10:11:51,711 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 10:11:51,712 INFO L276 IsEmpty]: Start isEmpty. Operand 2874 states and 3227 transitions. [2020-10-28 10:11:51,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-10-28 10:11:51,722 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:11:51,722 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:11:51,722 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 10:11:51,723 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:11:51,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:11:51,723 INFO L82 PathProgramCache]: Analyzing trace with hash 2009396864, now seen corresponding path program 1 times [2020-10-28 10:11:51,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:11:51,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1862436186] [2020-10-28 10:11:51,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:11:51,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:51,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:51,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:51,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:51,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:52,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:52,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:52,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:56,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:56,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 300 [2020-10-28 10:11:56,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 10:11:56,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 10:11:56,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:56,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:56,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 10:11:56,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-28 10:11:56,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-28 10:11:56,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:56,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:11:56,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:56,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:56,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:56,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:11:56,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:56,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 10:11:56,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:56,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:56,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:11:56,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:11:56,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:11:56,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:56,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:11:56,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:56,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:56,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:56,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 10:11:56,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:56,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 10:11:56,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:56,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:56,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:11:56,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:11:56,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:11:56,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:56,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 10:11:56,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:56,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:56,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:56,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 10:11:56,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:56,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 10:11:56,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:56,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:56,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:11:56,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:11:56,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-28 10:11:56,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:57,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 10:11:57,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:57,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:57,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:57,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:57,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 10:11:57,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:11:57,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-28 10:11:57,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:57,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:57,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:11:57,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 10:11:57,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-28 10:11:57,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:11:57,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-28 10:11:57,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:57,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:57,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:57,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-28 10:11:57,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:57,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-28 10:11:57,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:57,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:57,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:11:57,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 10:11:57,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-28 10:11:57,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:57,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 10:11:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:57,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:57,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:57,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 10:11:57,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:57,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 10:11:57,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:57,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:57,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:11:57,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-28 10:11:57,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:11:57,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:57,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-28 10:11:57,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:57,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:57,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:57,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-28 10:11:57,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:57,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 10:11:57,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:57,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:57,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:11:57,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-28 10:11:57,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:11:57,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:57,436 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 252 proven. 92 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2020-10-28 10:11:57,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1862436186] [2020-10-28 10:11:57,437 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:11:57,437 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 10:11:57,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207224665] [2020-10-28 10:11:57,438 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 10:11:57,438 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:11:57,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 10:11:57,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-28 10:11:57,439 INFO L87 Difference]: Start difference. First operand 2874 states and 3227 transitions. Second operand 7 states. [2020-10-28 10:11:59,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:11:59,153 INFO L93 Difference]: Finished difference Result 3473 states and 3903 transitions. [2020-10-28 10:11:59,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 10:11:59,153 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 278 [2020-10-28 10:11:59,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:11:59,154 INFO L225 Difference]: With dead ends: 3473 [2020-10-28 10:11:59,154 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 10:11:59,160 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-28 10:11:59,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 10:11:59,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 10:11:59,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 10:11:59,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 10:11:59,161 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 278 [2020-10-28 10:11:59,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:11:59,161 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 10:11:59,161 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 10:11:59,161 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 10:11:59,162 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 10:11:59,162 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 10:11:59,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 10:12:00,315 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 266 [2020-10-28 10:12:00,604 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 266 [2020-10-28 10:12:00,854 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 31 [2020-10-28 10:12:02,615 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 213 DAG size of output: 76 [2020-10-28 10:12:03,722 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 248 DAG size of output: 62 [2020-10-28 10:12:04,736 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 248 DAG size of output: 62 [2020-10-28 10:12:05,091 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 51 [2020-10-28 10:12:05,096 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-28 10:12:05,096 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-28 10:12:05,096 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-28 10:12:05,097 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-28 10:12:05,097 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 10:12:05,097 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|)) [2020-10-28 10:12:05,097 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 10:12:05,098 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-28 10:12:05,098 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-28 10:12:05,098 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-28 10:12:05,098 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-28 10:12:05,098 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-28 10:12:05,098 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-28 10:12:05,098 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-28 10:12:05,099 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-28 10:12:05,099 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-28 10:12:05,099 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-28 10:12:05,099 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-28 10:12:05,099 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-28 10:12:05,099 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-28 10:12:05,100 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-28 10:12:05,100 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-28 10:12:05,100 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,100 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,100 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,100 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,100 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,100 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-28 10:12:05,100 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-28 10:12:05,100 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-28 10:12:05,101 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-28 10:12:05,101 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-28 10:12:05,101 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-28 10:12:05,101 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-28 10:12:05,101 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-28 10:12:05,101 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-28 10:12:05,101 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-28 10:12:05,101 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-28 10:12:05,101 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-28 10:12:05,101 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-28 10:12:05,101 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,102 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,102 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,102 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,102 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-28 10:12:05,102 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,102 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-28 10:12:05,102 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-28 10:12:05,102 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-28 10:12:05,102 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-28 10:12:05,102 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-28 10:12:05,102 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-28 10:12:05,103 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-28 10:12:05,103 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-28 10:12:05,103 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-28 10:12:05,103 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-28 10:12:05,103 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-28 10:12:05,103 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-28 10:12:05,103 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-28 10:12:05,103 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-28 10:12:05,103 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-28 10:12:05,103 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,103 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,103 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,104 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,104 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,104 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-28 10:12:05,104 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-28 10:12:05,104 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-28 10:12:05,104 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-28 10:12:05,104 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-28 10:12:05,104 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-28 10:12:05,104 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-28 10:12:05,104 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-28 10:12:05,105 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-28 10:12:05,105 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-28 10:12:05,105 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-28 10:12:05,105 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,105 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,105 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,105 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,105 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,105 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-28 10:12:05,105 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-28 10:12:05,106 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-28 10:12:05,106 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-28 10:12:05,106 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-28 10:12:05,106 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-28 10:12:05,106 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-28 10:12:05,106 INFO L270 CegarLoopResult]: At program point L444(line 444) the Hoare annotation is: (let ((.cse2 (not (<= 9 |old(~a28~0)|))) (.cse1 (not (= 0 |old(~a11~0)|))) (.cse5 (not (<= |old(~a25~0)| 0))) (.cse4 (not (<= |old(~a19~0)| 0))) (.cse8 (not (<= |old(~a11~0)| 1))) (.cse6 (not (= 8 |old(~a17~0)|))) (.cse9 (not (<= 1 |old(~a11~0)|))) (.cse7 (= 8 |old(~a28~0)|)) (.cse0 (not (= |old(~a19~0)| 1))) (.cse10 (not (<= |old(~a28~0)| 8))) (.cse3 (not (<= |old(~a17~0)| 7)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse0 .cse3 .cse5 .cse2) (or .cse0 .cse1 .cse6) (or .cse7 .cse1 .cse6 .cse4) (or .cse1 .cse6 .cse5 .cse4) (or .cse8 .cse9 .cse4 (and (or .cse10 (= |old(~a25~0)| 1) .cse6) (or .cse7 .cse10 .cse6))) (or .cse7 .cse8 .cse0 .cse6 .cse9) (or .cse7 .cse0 .cse10 .cse3))) [2020-10-28 10:12:05,106 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-28 10:12:05,106 INFO L274 CegarLoopResult]: For program point L444-1(line 444) no Hoare annotation was computed. [2020-10-28 10:12:05,107 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-28 10:12:05,107 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-28 10:12:05,107 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-28 10:12:05,107 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-28 10:12:05,107 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,107 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,107 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,107 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,107 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,107 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-28 10:12:05,107 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-28 10:12:05,107 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-28 10:12:05,108 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-28 10:12:05,108 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-28 10:12:05,108 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-28 10:12:05,108 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-28 10:12:05,108 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-28 10:12:05,108 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-28 10:12:05,108 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,108 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,108 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-28 10:12:05,108 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-28 10:12:05,108 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-28 10:12:05,108 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-28 10:12:05,109 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-28 10:12:05,109 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-28 10:12:05,109 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-28 10:12:05,109 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,109 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,109 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,109 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,109 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-28 10:12:05,109 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,109 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-28 10:12:05,109 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,110 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-28 10:12:05,110 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-28 10:12:05,110 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-28 10:12:05,110 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-28 10:12:05,110 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-28 10:12:05,110 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-28 10:12:05,110 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-28 10:12:05,110 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-28 10:12:05,110 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-28 10:12:05,110 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-28 10:12:05,110 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-28 10:12:05,111 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-28 10:12:05,111 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-28 10:12:05,111 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-28 10:12:05,111 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,111 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,111 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,111 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,111 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,111 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,111 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-28 10:12:05,112 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-28 10:12:05,112 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-28 10:12:05,112 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-28 10:12:05,112 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-28 10:12:05,112 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-28 10:12:05,112 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-28 10:12:05,112 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-28 10:12:05,112 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-28 10:12:05,112 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-28 10:12:05,112 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-28 10:12:05,112 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,113 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,113 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,113 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,113 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,113 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,113 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-28 10:12:05,113 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-28 10:12:05,113 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-28 10:12:05,113 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-28 10:12:05,113 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-28 10:12:05,113 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-28 10:12:05,114 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-28 10:12:05,114 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse18 (= ~a17~0 |old(~a17~0)|)) (.cse15 (= ~a19~0 1)) (.cse13 (= ~a28~0 |old(~a28~0)|)) (.cse14 (= ~a11~0 |old(~a11~0)|)) (.cse16 (= ~a25~0 |old(~a25~0)|)) (.cse17 (= ~a17~0 8)) (.cse19 (= ~a19~0 |old(~a19~0)|))) (let ((.cse0 (not (<= |old(~a11~0)| 1))) (.cse2 (not (<= 1 |old(~a11~0)|))) (.cse10 (not (<= 9 |old(~a28~0)|))) (.cse8 (not (= 0 |old(~a11~0)|))) (.cse5 (not (= 8 |old(~a17~0)|))) (.cse12 (not (<= |old(~a25~0)| 0))) (.cse3 (not (<= |old(~a19~0)| 0))) (.cse1 (and .cse13 .cse14 .cse16 .cse17 .cse19)) (.cse6 (= 8 |old(~a28~0)|)) (.cse7 (not (= |old(~a19~0)| 1))) (.cse4 (not (<= |old(~a28~0)| 8))) (.cse11 (not (<= |old(~a17~0)| 7))) (.cse9 (and .cse13 .cse18 .cse14 .cse15 .cse16))) (and (or .cse0 .cse1 .cse2 .cse3 (and (or .cse4 (= |old(~a25~0)| 1) .cse5) (or .cse6 .cse4 .cse5))) (or .cse7 .cse8 .cse9 .cse10) (or .cse7 .cse11 .cse12 .cse9 .cse10) (or .cse7 .cse8 (and .cse13 .cse14 .cse15 .cse16 .cse17) .cse5) (or .cse6 .cse0 .cse7 .cse5 .cse2 (and .cse13 (<= 1 ~a11~0) .cse15 .cse16 (<= ~a11~0 1) .cse17)) (or (and .cse13 .cse18 .cse14 .cse16 .cse19) .cse11 .cse3 .cse10) (or (and (or .cse6 .cse8 .cse5 .cse3) (or .cse8 .cse5 .cse12 .cse3)) .cse1) (or .cse6 .cse7 .cse4 .cse11 .cse9)))) [2020-10-28 10:12:05,114 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-28 10:12:05,115 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-28 10:12:05,115 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-28 10:12:05,115 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-28 10:12:05,115 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-28 10:12:05,115 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-28 10:12:05,115 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-28 10:12:05,115 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,115 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,115 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,115 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,115 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,116 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,116 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-28 10:12:05,116 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-28 10:12:05,116 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-28 10:12:05,116 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-28 10:12:05,116 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-28 10:12:05,116 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-28 10:12:05,116 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-28 10:12:05,116 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-28 10:12:05,116 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-28 10:12:05,117 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-28 10:12:05,117 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-28 10:12:05,117 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-28 10:12:05,117 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-28 10:12:05,117 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,117 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,117 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,117 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,117 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,117 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,118 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-28 10:12:05,118 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-28 10:12:05,118 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-28 10:12:05,118 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-28 10:12:05,118 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-28 10:12:05,118 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-28 10:12:05,118 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-28 10:12:05,118 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-28 10:12:05,118 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-28 10:12:05,118 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-28 10:12:05,119 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-28 10:12:05,119 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-28 10:12:05,119 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-28 10:12:05,119 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-28 10:12:05,119 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-28 10:12:05,119 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-28 10:12:05,119 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,119 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,119 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,119 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,119 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:05,120 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-28 10:12:05,120 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-28 10:12:05,120 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-28 10:12:05,120 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-28 10:12:05,120 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 10:12:05,120 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 1) (not (= ~a28~0 8)) (= ~a17~0 8) (<= ~a28~0 8) (= ~a11~0 0) (<= ~a25~0 0)) [2020-10-28 10:12:05,120 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 10:12:05,120 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 10:12:05,120 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse4 (<= 1 ~a11~0)) (.cse5 (<= ~a11~0 1)) (.cse3 (<= ~a25~0 0)) (.cse1 (= ~a17~0 8)) (.cse2 (= ~a11~0 0)) (.cse0 (<= ~a19~0 0)) (.cse9 (<= 9 ~a28~0)) (.cse8 (= ~a19~0 1)) (.cse6 (not (= ~a28~0 8))) (.cse7 (<= ~a28~0 8)) (.cse10 (<= ~a17~0 7))) (or (= 8 |old(~a28~0)|) (not (= |old(~a19~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (not (<= |old(~a28~0)| 8)) (and .cse4 .cse0 .cse5 (or (and .cse6 .cse1 .cse7) (and .cse1 .cse7 (not (= ~a25~0 1))))) (not (= 8 |old(~a17~0)|)) (and .cse4 .cse8 .cse6 .cse5 .cse1) (not (<= |old(~a25~0)| 0)) (and .cse8 .cse1 .cse2) (and .cse9 .cse8 .cse3 .cse10) (and .cse0 .cse6 .cse1 .cse2) (and .cse0 .cse9 .cse10) (not (= 0 |old(~a11~0)|)) (and .cse8 .cse6 .cse7 .cse10))) [2020-10-28 10:12:05,121 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (= 8 |old(~a28~0)|) (not (= |old(~a19~0)| 1)) (not (<= |old(~a28~0)| 8)) (not (= 0 |old(~a11~0)|)) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8)) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0))) [2020-10-28 10:12:05,121 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-28 10:12:05,121 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-28 10:12:05,121 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse4 (<= 1 ~a11~0)) (.cse5 (<= ~a11~0 1)) (.cse3 (<= ~a25~0 0)) (.cse1 (= ~a17~0 8)) (.cse2 (= ~a11~0 0)) (.cse0 (<= ~a19~0 0)) (.cse9 (<= 9 ~a28~0)) (.cse8 (= ~a19~0 1)) (.cse6 (not (= ~a28~0 8))) (.cse7 (<= ~a28~0 8)) (.cse10 (<= ~a17~0 7))) (or (= 8 |old(~a28~0)|) (not (= |old(~a19~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (not (<= |old(~a28~0)| 8)) (and .cse4 .cse0 .cse5 (or (and .cse6 .cse1 .cse7) (and .cse1 .cse7 (not (= ~a25~0 1))))) (not (= 8 |old(~a17~0)|)) (and .cse4 .cse8 .cse6 .cse5 .cse1) (not (<= |old(~a25~0)| 0)) (and .cse8 .cse1 .cse2) (and .cse9 .cse8 .cse3 .cse10) (and .cse0 .cse6 .cse1 .cse2) (and .cse0 .cse9 .cse10) (not (= 0 |old(~a11~0)|)) (and .cse8 .cse6 .cse7 .cse10))) [2020-10-28 10:12:05,121 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-28 10:12:05,121 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-28 10:12:05,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:12:05 BoogieIcfgContainer [2020-10-28 10:12:05,143 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 10:12:05,145 INFO L168 Benchmark]: Toolchain (without parser) took 72464.87 ms. Allocated memory was 153.1 MB in the beginning and 1.1 GB in the end (delta: 910.2 MB). Free memory was 127.6 MB in the beginning and 904.5 MB in the end (delta: -776.9 MB). Peak memory consumption was 640.2 MB. Max. memory is 8.0 GB. [2020-10-28 10:12:05,145 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 153.1 MB. Free memory is still 128.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 10:12:05,146 INFO L168 Benchmark]: CACSL2BoogieTranslator took 624.53 ms. Allocated memory is still 153.1 MB. Free memory was 126.9 MB in the beginning and 101.4 MB in the end (delta: 25.5 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2020-10-28 10:12:05,147 INFO L168 Benchmark]: Boogie Preprocessor took 123.80 ms. Allocated memory is still 153.1 MB. Free memory was 101.4 MB in the beginning and 96.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-28 10:12:05,147 INFO L168 Benchmark]: RCFGBuilder took 1479.32 ms. Allocated memory is still 153.1 MB. Free memory was 96.4 MB in the beginning and 74.6 MB in the end (delta: 21.8 MB). Peak memory consumption was 49.3 MB. Max. memory is 8.0 GB. [2020-10-28 10:12:05,148 INFO L168 Benchmark]: TraceAbstraction took 70223.16 ms. Allocated memory was 153.1 MB in the beginning and 1.1 GB in the end (delta: 910.2 MB). Free memory was 74.6 MB in the beginning and 904.5 MB in the end (delta: -829.9 MB). Peak memory consumption was 586.7 MB. Max. memory is 8.0 GB. [2020-10-28 10:12:05,151 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 153.1 MB. Free memory is still 128.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 624.53 ms. Allocated memory is still 153.1 MB. Free memory was 126.9 MB in the beginning and 101.4 MB in the end (delta: 25.5 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 123.80 ms. Allocated memory is still 153.1 MB. Free memory was 101.4 MB in the beginning and 96.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1479.32 ms. Allocated memory is still 153.1 MB. Free memory was 96.4 MB in the beginning and 74.6 MB in the end (delta: 21.8 MB). Peak memory consumption was 49.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 70223.16 ms. Allocated memory was 153.1 MB in the beginning and 1.1 GB in the end (delta: 910.2 MB). Free memory was 74.6 MB in the beginning and 904.5 MB in the end (delta: -829.9 MB). Peak memory consumption was 586.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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: 608]: Loop Invariant Derived loop invariant: ((((((((((((8 == \old(a28) || !(\old(a19) == 1)) || (((a19 <= 0 && a17 == 8) && a11 == 0) && a25 <= 0)) || !(\old(a28) <= 8)) || (((1 <= a11 && a19 <= 0) && a11 <= 1) && (((!(a28 == 8) && a17 == 8) && a28 <= 8) || ((a17 == 8 && a28 <= 8) && !(a25 == 1))))) || !(8 == \old(a17))) || ((((1 <= a11 && a19 == 1) && !(a28 == 8)) && a11 <= 1) && a17 == 8)) || !(\old(a25) <= 0)) || ((a19 == 1 && a17 == 8) && a11 == 0)) || (((9 <= a28 && a19 == 1) && a25 <= 0) && a17 <= 7)) || (((a19 <= 0 && !(a28 == 8)) && a17 == 8) && a11 == 0)) || ((a19 <= 0 && 9 <= a28) && a17 <= 7)) || !(0 == \old(a11))) || (((a19 == 1 && !(a28 == 8)) && a28 <= 8) && a17 <= 7) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 64.1s, OverallIterations: 10, TraceHistogramMax: 7, AutomataDifference: 20.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 367 SDtfs, 5090 SDslu, 468 SDs, 0 SdLazy, 8854 SolverSat, 1731 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 182 GetRequests, 105 SyntacticMatches, 1 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4223occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 2640 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 332 PreInvPairs, 366 NumberOfFragments, 901 HoareAnnotationTreeSize, 332 FomulaSimplifications, 109291 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 9 FomulaSimplificationsInter, 8538 FormulaSimplificationTreeSizeReductionInter, 4.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 41.3s InterpolantComputationTime, 1635 NumberOfCodeBlocks, 1635 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1625 ConstructedInterpolants, 0 QuantifiedInterpolants, 1137052 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 1047/1189 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...