/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/Problem10_label34.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 12:00:04,767 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 12:00:04,773 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 12:00:04,819 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 12:00:04,819 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 12:00:04,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 12:00:04,828 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 12:00:04,832 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 12:00:04,835 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 12:00:04,840 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 12:00:04,841 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 12:00:04,843 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 12:00:04,843 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 12:00:04,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 12:00:04,848 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 12:00:04,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 12:00:04,851 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 12:00:04,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 12:00:04,860 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 12:00:04,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 12:00:04,869 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 12:00:04,870 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 12:00:04,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 12:00:04,874 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 12:00:04,882 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 12:00:04,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 12:00:04,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 12:00:04,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 12:00:04,885 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 12:00:04,886 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 12:00:04,886 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 12:00:04,887 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 12:00:04,889 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 12:00:04,890 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 12:00:04,891 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 12:00:04,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 12:00:04,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 12:00:04,892 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 12:00:04,892 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 12:00:04,893 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 12:00:04,893 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 12:00:04,897 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 12:00:04,924 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 12:00:04,925 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 12:00:04,926 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 12:00:04,926 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 12:00:04,927 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 12:00:04,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 12:00:04,927 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 12:00:04,927 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 12:00:04,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 12:00:04,928 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 12:00:04,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 12:00:04,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 12:00:04,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 12:00:04,928 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 12:00:04,929 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 12:00:04,929 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 12:00:04,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 12:00:04,929 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 12:00:04,929 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 12:00:04,930 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 12:00:04,930 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 12:00:04,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 12:00:04,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 12:00:04,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 12:00:04,931 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 12:00:04,931 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 12:00:04,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 12:00:04,931 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 12:00:04,931 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 12:00:04,931 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 12:00:05,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 12:00:05,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 12:00:05,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 12:00:05,354 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 12:00:05,354 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 12:00:05,355 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label34.c [2020-10-28 12:00:05,441 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/01b82303a/ba8d92abfd8b46418bf591540c1438d4/FLAG11be29a1c [2020-10-28 12:00:06,198 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 12:00:06,200 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label34.c [2020-10-28 12:00:06,212 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/01b82303a/ba8d92abfd8b46418bf591540c1438d4/FLAG11be29a1c [2020-10-28 12:00:06,388 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/01b82303a/ba8d92abfd8b46418bf591540c1438d4 [2020-10-28 12:00:06,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 12:00:06,400 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 12:00:06,408 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 12:00:06,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 12:00:06,412 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 12:00:06,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 12:00:06" (1/1) ... [2020-10-28 12:00:06,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3406e747 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:00:06, skipping insertion in model container [2020-10-28 12:00:06,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 12:00:06" (1/1) ... [2020-10-28 12:00:06,427 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 12:00:06,477 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 12:00:06,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 12:00:06,888 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 12:00:07,047 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 12:00:07,079 INFO L208 MainTranslator]: Completed translation [2020-10-28 12:00:07,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:00:07 WrapperNode [2020-10-28 12:00:07,081 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 12:00:07,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 12:00:07,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 12:00:07,083 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 12:00:07,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:00:07" (1/1) ... [2020-10-28 12:00:07,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:00:07" (1/1) ... [2020-10-28 12:00:07,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:00:07" (1/1) ... [2020-10-28 12:00:07,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:00:07" (1/1) ... [2020-10-28 12:00:07,164 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:00:07" (1/1) ... [2020-10-28 12:00:07,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:00:07" (1/1) ... [2020-10-28 12:00:07,207 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:00:07" (1/1) ... [2020-10-28 12:00:07,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 12:00:07,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 12:00:07,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 12:00:07,224 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 12:00:07,225 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:00:07" (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 12:00:07,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 12:00:07,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 12:00:07,314 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 12:00:07,315 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-28 12:00:07,315 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 12:00:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-28 12:00:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 12:00:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 12:00:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 12:00:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 12:00:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 12:00:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 12:00:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 12:00:07,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 12:00:07,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 12:00:07,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 12:00:07,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 12:00:07,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 12:00:07,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 12:00:08,741 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 12:00:08,741 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 12:00:08,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 12:00:08 BoogieIcfgContainer [2020-10-28 12:00:08,743 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 12:00:08,745 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 12:00:08,745 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 12:00:08,749 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 12:00:08,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 12:00:06" (1/3) ... [2020-10-28 12:00:08,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d90c903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 12:00:08, skipping insertion in model container [2020-10-28 12:00:08,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:00:07" (2/3) ... [2020-10-28 12:00:08,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d90c903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 12:00:08, skipping insertion in model container [2020-10-28 12:00:08,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 12:00:08" (3/3) ... [2020-10-28 12:00:08,752 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label34.c [2020-10-28 12:00:08,764 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 12:00:08,769 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 12:00:08,783 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 12:00:08,819 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 12:00:08,819 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 12:00:08,819 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 12:00:08,819 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 12:00:08,819 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 12:00:08,819 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 12:00:08,820 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 12:00:08,820 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 12:00:08,851 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-28 12:00:08,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-28 12:00:08,861 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:00:08,862 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] [2020-10-28 12:00:08,862 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:00:08,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:00:08,869 INFO L82 PathProgramCache]: Analyzing trace with hash -789810908, now seen corresponding path program 1 times [2020-10-28 12:00:08,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:00:08,879 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1215099928] [2020-10-28 12:00:08,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:00:09,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:09,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:09,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:09,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 12:00:09,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:09,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 609 [2020-10-28 12:00:09,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:09,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:09,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:00:09,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 12:00:09,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-28 12:00:09,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 12:00:09,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:00:09,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:09,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:09,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:09,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:00:09,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:09,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-28 12:00:09,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:09,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:09,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:00:09,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:09,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 12:00:09,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:00:09,987 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 12:00:09,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1215099928] [2020-10-28 12:00:09,990 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 12:00:09,990 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 12:00:09,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545363359] [2020-10-28 12:00:09,998 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 12:00:09,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:00:10,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 12:00:10,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 12:00:10,021 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 4 states. [2020-10-28 12:00:12,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:00:12,122 INFO L93 Difference]: Finished difference Result 586 states and 1013 transitions. [2020-10-28 12:00:12,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:00:12,124 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 70 [2020-10-28 12:00:12,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:00:12,139 INFO L225 Difference]: With dead ends: 586 [2020-10-28 12:00:12,139 INFO L226 Difference]: Without dead ends: 303 [2020-10-28 12:00:12,147 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 12:00:12,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-28 12:00:12,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 297. [2020-10-28 12:00:12,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2020-10-28 12:00:12,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 424 transitions. [2020-10-28 12:00:12,229 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 424 transitions. Word has length 70 [2020-10-28 12:00:12,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:00:12,230 INFO L481 AbstractCegarLoop]: Abstraction has 297 states and 424 transitions. [2020-10-28 12:00:12,230 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 12:00:12,230 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 424 transitions. [2020-10-28 12:00:12,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-10-28 12:00:12,238 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:00:12,238 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 12:00:12,239 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 12:00:12,239 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:00:12,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:00:12,240 INFO L82 PathProgramCache]: Analyzing trace with hash -2093267068, now seen corresponding path program 1 times [2020-10-28 12:00:12,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:00:12,240 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1460103239] [2020-10-28 12:00:12,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:00:12,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:12,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:12,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:13,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:13,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:13,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-28 12:00:13,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 12:00:13,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1072 [2020-10-28 12:00:13,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:13,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:13,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:00:13,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 12:00:13,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-28 12:00:13,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:00:13,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:00:13,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:13,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:13,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:13,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:00:13,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:13,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 12:00:13,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:13,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:13,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:00:13,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:13,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 12:00:13,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:00:13,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:00:13,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:13,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:13,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:13,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-28 12:00:13,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:13,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-28 12:00:13,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:13,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:13,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:00:13,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:00:13,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-28 12:00:13,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:00:13,840 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 12:00:13,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1460103239] [2020-10-28 12:00:13,841 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 12:00:13,841 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 12:00:13,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788841117] [2020-10-28 12:00:13,843 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:00:13,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:00:13,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:00:13,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:00:13,847 INFO L87 Difference]: Start difference. First operand 297 states and 424 transitions. Second operand 7 states. [2020-10-28 12:00:15,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:00:15,624 INFO L93 Difference]: Finished difference Result 743 states and 1055 transitions. [2020-10-28 12:00:15,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 12:00:15,626 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 142 [2020-10-28 12:00:15,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:00:15,634 INFO L225 Difference]: With dead ends: 743 [2020-10-28 12:00:15,635 INFO L226 Difference]: Without dead ends: 452 [2020-10-28 12:00:15,639 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-28 12:00:15,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2020-10-28 12:00:15,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 448. [2020-10-28 12:00:15,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2020-10-28 12:00:15,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 604 transitions. [2020-10-28 12:00:15,712 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 604 transitions. Word has length 142 [2020-10-28 12:00:15,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:00:15,713 INFO L481 AbstractCegarLoop]: Abstraction has 448 states and 604 transitions. [2020-10-28 12:00:15,713 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:00:15,715 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 604 transitions. [2020-10-28 12:00:15,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-28 12:00:15,720 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:00:15,720 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 12:00:15,720 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 12:00:15,720 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:00:15,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:00:15,721 INFO L82 PathProgramCache]: Analyzing trace with hash -556375992, now seen corresponding path program 1 times [2020-10-28 12:00:15,726 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:00:15,727 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1991522094] [2020-10-28 12:00:15,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:00:15,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:15,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:16,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:16,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:16,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-28 12:00:16,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:00:16,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 524 [2020-10-28 12:00:16,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:16,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:16,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:00:16,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-28 12:00:16,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-28 12:00:16,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:16,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:00:16,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:16,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:16,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:16,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:00:16,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:16,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 12:00:16,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:16,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:16,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:00:16,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:16,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:00:16,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:16,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:00:16,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:16,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:16,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:16,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 12:00:16,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:16,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-28 12:00:16,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:16,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:16,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:00:16,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:16,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 12:00:16,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:16,655 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 61 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 12:00:16,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1991522094] [2020-10-28 12:00:16,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:00:16,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 12:00:16,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764373184] [2020-10-28 12:00:16,658 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 12:00:16,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:00:16,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 12:00:16,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:00:16,661 INFO L87 Difference]: Start difference. First operand 448 states and 604 transitions. Second operand 5 states. [2020-10-28 12:00:18,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:00:18,277 INFO L93 Difference]: Finished difference Result 1043 states and 1485 transitions. [2020-10-28 12:00:18,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:00:18,278 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-10-28 12:00:18,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:00:18,288 INFO L225 Difference]: With dead ends: 1043 [2020-10-28 12:00:18,289 INFO L226 Difference]: Without dead ends: 744 [2020-10-28 12:00:18,290 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:00:18,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2020-10-28 12:00:18,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 744. [2020-10-28 12:00:18,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2020-10-28 12:00:18,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 973 transitions. [2020-10-28 12:00:18,361 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 973 transitions. Word has length 149 [2020-10-28 12:00:18,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:00:18,362 INFO L481 AbstractCegarLoop]: Abstraction has 744 states and 973 transitions. [2020-10-28 12:00:18,362 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 12:00:18,362 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 973 transitions. [2020-10-28 12:00:18,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-28 12:00:18,373 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:00:18,373 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 12:00:18,375 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 12:00:18,375 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:00:18,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:00:18,376 INFO L82 PathProgramCache]: Analyzing trace with hash 32831300, now seen corresponding path program 1 times [2020-10-28 12:00:18,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:00:18,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [792692215] [2020-10-28 12:00:18,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:00:18,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:18,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:18,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:19,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:19,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-28 12:00:19,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:00:19,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 775 [2020-10-28 12:00:19,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:19,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:19,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:00:19,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 12:00:19,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-28 12:00:19,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:19,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:00:19,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:19,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:19,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:19,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:00:19,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:19,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 12:00:19,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:19,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:19,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:00:19,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:19,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 12:00:19,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:19,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:00:19,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:19,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:19,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:19,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-28 12:00:19,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:19,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-28 12:00:19,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:19,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:19,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:00:19,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:00:19,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-28 12:00:19,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:19,560 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 12:00:19,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [792692215] [2020-10-28 12:00:19,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 12:00:19,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 12:00:19,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897288076] [2020-10-28 12:00:19,562 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:00:19,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:00:19,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:00:19,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:00:19,563 INFO L87 Difference]: Start difference. First operand 744 states and 973 transitions. Second operand 7 states. [2020-10-28 12:00:21,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:00:21,466 INFO L93 Difference]: Finished difference Result 1663 states and 2304 transitions. [2020-10-28 12:00:21,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 12:00:21,467 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 151 [2020-10-28 12:00:21,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:00:21,474 INFO L225 Difference]: With dead ends: 1663 [2020-10-28 12:00:21,474 INFO L226 Difference]: Without dead ends: 1068 [2020-10-28 12:00:21,476 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 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 12:00:21,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1068 states. [2020-10-28 12:00:21,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1068 to 1050. [2020-10-28 12:00:21,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1050 states. [2020-10-28 12:00:21,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 1050 states and 1307 transitions. [2020-10-28 12:00:21,518 INFO L78 Accepts]: Start accepts. Automaton has 1050 states and 1307 transitions. Word has length 151 [2020-10-28 12:00:21,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:00:21,519 INFO L481 AbstractCegarLoop]: Abstraction has 1050 states and 1307 transitions. [2020-10-28 12:00:21,519 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:00:21,519 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 1307 transitions. [2020-10-28 12:00:21,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-10-28 12:00:21,523 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:00:21,524 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:00:21,524 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 12:00:21,524 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:00:21,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:00:21,524 INFO L82 PathProgramCache]: Analyzing trace with hash 1497363632, now seen corresponding path program 1 times [2020-10-28 12:00:21,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:00:21,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1815822025] [2020-10-28 12:00:21,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:00:21,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:21,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:21,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:21,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:22,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:23,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:23,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-28 12:00:23,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 12:00:23,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1899 [2020-10-28 12:00:23,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:23,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:23,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:00:23,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-28 12:00:23,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-28 12:00:23,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:00:23,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:00:23,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:23,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:23,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:23,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:00:23,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:23,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 12:00:23,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:23,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:23,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:00:23,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:23,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:00:23,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:00:23,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:00:23,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:23,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:23,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:23,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 12:00:23,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:23,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-28 12:00:23,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:23,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:23,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:00:23,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:23,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 12:00:23,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:23,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 12:00:23,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:23,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:23,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:23,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 12:00:23,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:23,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-28 12:00:23,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:23,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:23,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:00:23,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:00:23,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 12:00:23,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:23,911 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 194 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 12:00:23,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1815822025] [2020-10-28 12:00:23,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:00:23,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:00:23,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907961177] [2020-10-28 12:00:23,912 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:00:23,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:00:23,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:00:23,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:00:23,913 INFO L87 Difference]: Start difference. First operand 1050 states and 1307 transitions. Second operand 7 states. [2020-10-28 12:00:26,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:00:26,019 INFO L93 Difference]: Finished difference Result 2269 states and 2880 transitions. [2020-10-28 12:00:26,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 12:00:26,020 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 222 [2020-10-28 12:00:26,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:00:26,029 INFO L225 Difference]: With dead ends: 2269 [2020-10-28 12:00:26,029 INFO L226 Difference]: Without dead ends: 1070 [2020-10-28 12:00:26,033 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-28 12:00:26,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2020-10-28 12:00:26,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 1044. [2020-10-28 12:00:26,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1044 states. [2020-10-28 12:00:26,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 1189 transitions. [2020-10-28 12:00:26,076 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 1189 transitions. Word has length 222 [2020-10-28 12:00:26,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:00:26,076 INFO L481 AbstractCegarLoop]: Abstraction has 1044 states and 1189 transitions. [2020-10-28 12:00:26,078 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:00:26,078 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1189 transitions. [2020-10-28 12:00:26,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-10-28 12:00:26,082 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:00:26,082 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 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 12:00:26,083 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 12:00:26,083 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:00:26,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:00:26,083 INFO L82 PathProgramCache]: Analyzing trace with hash 1555690692, now seen corresponding path program 1 times [2020-10-28 12:00:26,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:00:26,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1055237396] [2020-10-28 12:00:26,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:00:26,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:26,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:26,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:27,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:27,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:27,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:27,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-28 12:00:27,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 12:00:27,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1569 [2020-10-28 12:00:27,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:27,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:27,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:00:27,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-28 12:00:27,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-28 12:00:27,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:27,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:00:27,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:27,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:27,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:27,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:00:27,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:27,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 12:00:27,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:27,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:27,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:00:27,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:27,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:00:27,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:27,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:00:27,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:27,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:27,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:27,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 12:00:27,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:27,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-28 12:00:27,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:27,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:27,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:00:27,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:27,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-28 12:00:27,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:00:27,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 12:00:28,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:28,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:28,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:28,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:28,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-28 12:00:28,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:00:28,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 223 [2020-10-28 12:00:28,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:28,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:28,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:00:28,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:00:28,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-28 12:00:28,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:28,339 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 127 proven. 62 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-28 12:00:28,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1055237396] [2020-10-28 12:00:28,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:00:28,342 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-28 12:00:28,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167015489] [2020-10-28 12:00:28,343 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 12:00:28,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:00:28,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 12:00:28,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:00:28,345 INFO L87 Difference]: Start difference. First operand 1044 states and 1189 transitions. Second operand 6 states. [2020-10-28 12:00:29,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:00:29,875 INFO L93 Difference]: Finished difference Result 2253 states and 2606 transitions. [2020-10-28 12:00:29,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 12:00:29,876 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 230 [2020-10-28 12:00:29,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:00:29,884 INFO L225 Difference]: With dead ends: 2253 [2020-10-28 12:00:29,884 INFO L226 Difference]: Without dead ends: 1207 [2020-10-28 12:00:29,887 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-28 12:00:29,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1207 states. [2020-10-28 12:00:29,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1207 to 1193. [2020-10-28 12:00:29,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1193 states. [2020-10-28 12:00:29,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 1193 states and 1342 transitions. [2020-10-28 12:00:29,943 INFO L78 Accepts]: Start accepts. Automaton has 1193 states and 1342 transitions. Word has length 230 [2020-10-28 12:00:29,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:00:29,943 INFO L481 AbstractCegarLoop]: Abstraction has 1193 states and 1342 transitions. [2020-10-28 12:00:29,944 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 12:00:29,944 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1342 transitions. [2020-10-28 12:00:29,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2020-10-28 12:00:29,951 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:00:29,952 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2020-10-28 12:00:29,952 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 12:00:29,952 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:00:29,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:00:29,953 INFO L82 PathProgramCache]: Analyzing trace with hash 2135302512, now seen corresponding path program 1 times [2020-10-28 12:00:29,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:00:29,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [655104926] [2020-10-28 12:00:29,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:00:30,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:30,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:30,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:30,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:34,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:34,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 340 [2020-10-28 12:00:34,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 12:00:34,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4585 [2020-10-28 12:00:34,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:34,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:34,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:00:34,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 268 [2020-10-28 12:00:34,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-28 12:00:34,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:00:34,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:00:34,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:34,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:34,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:34,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:00:34,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:34,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 12:00:34,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:34,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:34,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:00:34,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:34,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:00:34,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:34,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:00:34,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:34,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:34,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:34,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 12:00:34,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:34,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 12:00:34,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:34,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:34,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:00:34,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:34,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:00:34,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:00:34,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 12:00:34,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:34,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:35,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:35,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-28 12:00:35,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:35,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-28 12:00:35,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:35,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:35,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:00:35,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:35,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-28 12:00:35,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:35,207 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 125 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-28 12:00:35,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [655104926] [2020-10-28 12:00:35,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:00:35,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 12:00:35,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747117132] [2020-10-28 12:00:35,210 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 12:00:35,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:00:35,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 12:00:35,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:00:35,211 INFO L87 Difference]: Start difference. First operand 1193 states and 1342 transitions. Second operand 5 states. [2020-10-28 12:00:36,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:00:36,626 INFO L93 Difference]: Finished difference Result 2537 states and 2897 transitions. [2020-10-28 12:00:36,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:00:36,627 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 326 [2020-10-28 12:00:36,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:00:36,635 INFO L225 Difference]: With dead ends: 2537 [2020-10-28 12:00:36,636 INFO L226 Difference]: Without dead ends: 1344 [2020-10-28 12:00:36,640 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:00:36,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1344 states. [2020-10-28 12:00:36,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1344 to 1334. [2020-10-28 12:00:36,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1334 states. [2020-10-28 12:00:36,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 1334 states and 1498 transitions. [2020-10-28 12:00:36,683 INFO L78 Accepts]: Start accepts. Automaton has 1334 states and 1498 transitions. Word has length 326 [2020-10-28 12:00:36,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:00:36,684 INFO L481 AbstractCegarLoop]: Abstraction has 1334 states and 1498 transitions. [2020-10-28 12:00:36,684 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 12:00:36,684 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 1498 transitions. [2020-10-28 12:00:36,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2020-10-28 12:00:36,693 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:00:36,694 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 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] [2020-10-28 12:00:36,694 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 12:00:36,694 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:00:36,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:00:36,695 INFO L82 PathProgramCache]: Analyzing trace with hash 67929516, now seen corresponding path program 1 times [2020-10-28 12:00:36,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:00:36,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1681877432] [2020-10-28 12:00:36,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:00:36,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:36,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:36,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:37,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:38,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:41,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:41,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 397 [2020-10-28 12:00:41,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 12:00:41,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-10-28 12:00:41,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:41,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:41,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:00:41,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 204 [2020-10-28 12:00:41,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-28 12:00:41,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 27 [2020-10-28 12:00:41,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:00:41,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:41,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:41,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:41,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:00:41,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:41,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 12:00:41,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:41,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:41,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:00:41,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:41,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:00:41,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:42,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:00:42,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:42,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:42,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:42,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 12:00:42,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:42,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-28 12:00:42,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:42,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:42,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:00:42,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:42,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:00:42,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:00:42,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 12:00:42,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:42,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:42,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:42,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 12:00:42,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:42,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-28 12:00:42,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:42,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:42,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:00:42,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:42,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-28 12:00:42,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:42,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-28 12:00:42,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:42,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:42,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:42,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-28 12:00:42,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:42,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 180 [2020-10-28 12:00:42,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:42,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:42,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:00:42,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:00:42,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-28 12:00:42,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:42,681 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 377 proven. 2 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-10-28 12:00:42,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1681877432] [2020-10-28 12:00:42,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:00:42,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 12:00:42,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909683586] [2020-10-28 12:00:42,683 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 12:00:42,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:00:42,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 12:00:42,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-28 12:00:42,684 INFO L87 Difference]: Start difference. First operand 1334 states and 1498 transitions. Second operand 8 states. [2020-10-28 12:00:44,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:00:44,718 INFO L93 Difference]: Finished difference Result 3272 states and 3765 transitions. [2020-10-28 12:00:44,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 12:00:44,727 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 381 [2020-10-28 12:00:44,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:00:44,737 INFO L225 Difference]: With dead ends: 3272 [2020-10-28 12:00:44,737 INFO L226 Difference]: Without dead ends: 2087 [2020-10-28 12:00:44,740 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-28 12:00:44,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2087 states. [2020-10-28 12:00:44,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2087 to 1934. [2020-10-28 12:00:44,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1934 states. [2020-10-28 12:00:44,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1934 states to 1934 states and 2205 transitions. [2020-10-28 12:00:44,801 INFO L78 Accepts]: Start accepts. Automaton has 1934 states and 2205 transitions. Word has length 381 [2020-10-28 12:00:44,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:00:44,802 INFO L481 AbstractCegarLoop]: Abstraction has 1934 states and 2205 transitions. [2020-10-28 12:00:44,802 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 12:00:44,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1934 states and 2205 transitions. [2020-10-28 12:00:44,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2020-10-28 12:00:44,814 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:00:44,814 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:00:44,815 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 12:00:44,815 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:00:44,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:00:44,815 INFO L82 PathProgramCache]: Analyzing trace with hash 627992128, now seen corresponding path program 1 times [2020-10-28 12:00:44,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:00:44,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1963482158] [2020-10-28 12:00:44,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:00:44,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:45,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:45,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:45,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:48,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:48,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 407 [2020-10-28 12:00:48,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 12:00:48,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3526 [2020-10-28 12:00:48,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:48,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:48,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:00:48,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-28 12:00:48,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-28 12:00:48,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:48,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:00:48,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:48,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:48,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:48,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:00:48,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:48,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 12:00:48,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:48,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:48,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:00:48,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:48,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:00:48,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:48,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:00:48,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:48,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:48,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:48,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 12:00:48,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:48,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-28 12:00:48,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:48,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:48,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:00:48,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:48,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-28 12:00:48,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:48,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 12:00:48,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:48,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:48,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:48,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-28 12:00:48,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:48,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 189 [2020-10-28 12:00:48,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:48,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:48,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:00:48,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:00:48,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-28 12:00:48,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:49,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-28 12:00:49,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:49,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:49,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:49,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-28 12:00:49,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:49,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-28 12:00:49,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:49,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:49,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:00:49,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-28 12:00:49,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:00:49,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:49,413 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 274 proven. 86 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-10-28 12:00:49,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1963482158] [2020-10-28 12:00:49,413 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:00:49,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:00:49,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076501505] [2020-10-28 12:00:49,416 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:00:49,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:00:49,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:00:49,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:00:49,423 INFO L87 Difference]: Start difference. First operand 1934 states and 2205 transitions. Second operand 7 states. [2020-10-28 12:00:51,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:00:51,178 INFO L93 Difference]: Finished difference Result 4023 states and 4631 transitions. [2020-10-28 12:00:51,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 12:00:51,180 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 391 [2020-10-28 12:00:51,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:00:51,190 INFO L225 Difference]: With dead ends: 4023 [2020-10-28 12:00:51,190 INFO L226 Difference]: Without dead ends: 2238 [2020-10-28 12:00:51,195 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-28 12:00:51,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2238 states. [2020-10-28 12:00:51,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2238 to 2234. [2020-10-28 12:00:51,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2234 states. [2020-10-28 12:00:51,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2234 states to 2234 states and 2532 transitions. [2020-10-28 12:00:51,268 INFO L78 Accepts]: Start accepts. Automaton has 2234 states and 2532 transitions. Word has length 391 [2020-10-28 12:00:51,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:00:51,269 INFO L481 AbstractCegarLoop]: Abstraction has 2234 states and 2532 transitions. [2020-10-28 12:00:51,269 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:00:51,269 INFO L276 IsEmpty]: Start isEmpty. Operand 2234 states and 2532 transitions. [2020-10-28 12:00:51,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2020-10-28 12:00:51,281 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:00:51,281 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 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, 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] [2020-10-28 12:00:51,281 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 12:00:51,282 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:00:51,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:00:51,282 INFO L82 PathProgramCache]: Analyzing trace with hash 2083980744, now seen corresponding path program 1 times [2020-10-28 12:00:51,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:00:51,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1313748252] [2020-10-28 12:00:51,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:00:51,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:51,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:51,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:52,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:52,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 426 [2020-10-28 12:00:52,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:00:52,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1371 [2020-10-28 12:00:52,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:52,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:52,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:00:52,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 354 [2020-10-28 12:00:52,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-28 12:00:52,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:52,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:00:52,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:52,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:52,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:52,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:00:52,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:52,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 12:00:52,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:52,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:52,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:00:52,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:52,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:00:52,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:52,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:00:52,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:52,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:52,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:52,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-28 12:00:52,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:52,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-28 12:00:52,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:52,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:52,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:00:52,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:52,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:00:52,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:53,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-28 12:00:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:53,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:53,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:53,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-28 12:00:53,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:53,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 12:00:53,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:53,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:53,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:00:53,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:53,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:00:53,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:53,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-28 12:00:53,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:53,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:53,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:53,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-28 12:00:53,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:53,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-28 12:00:53,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:53,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:53,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:00:53,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:53,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-28 12:00:53,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:00:53,379 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 189 proven. 3 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2020-10-28 12:00:53,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1313748252] [2020-10-28 12:00:53,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:00:53,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 12:00:53,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030160758] [2020-10-28 12:00:53,381 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 12:00:53,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:00:53,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 12:00:53,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:00:53,382 INFO L87 Difference]: Start difference. First operand 2234 states and 2532 transitions. Second operand 5 states. [2020-10-28 12:00:54,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:00:54,734 INFO L93 Difference]: Finished difference Result 4896 states and 5593 transitions. [2020-10-28 12:00:54,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:00:54,737 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 410 [2020-10-28 12:00:54,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:00:54,739 INFO L225 Difference]: With dead ends: 4896 [2020-10-28 12:00:54,739 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 12:00:54,747 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:00:54,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 12:00:54,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 12:00:54,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 12:00:54,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 12:00:54,748 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 410 [2020-10-28 12:00:54,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:00:54,749 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 12:00:54,749 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 12:00:54,749 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 12:00:54,749 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 12:00:54,749 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 12:00:54,751 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 12:00:55,393 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 28 [2020-10-28 12:00:55,516 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 31 [2020-10-28 12:00:56,020 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 38 [2020-10-28 12:00:56,199 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 31 [2020-10-28 12:00:56,202 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-28 12:00:56,203 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-28 12:00:56,203 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-28 12:00:56,203 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-28 12:00:56,203 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 12:00:56,203 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-28 12:00:56,204 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 12:00:56,204 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-28 12:00:56,204 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-28 12:00:56,205 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-28 12:00:56,205 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-28 12:00:56,205 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-28 12:00:56,205 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-28 12:00:56,205 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-28 12:00:56,206 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-28 12:00:56,206 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-28 12:00:56,206 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-28 12:00:56,206 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-28 12:00:56,207 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-28 12:00:56,207 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-28 12:00:56,207 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,207 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,207 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,207 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,207 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,208 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,208 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-28 12:00:56,208 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-28 12:00:56,208 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-28 12:00:56,208 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-28 12:00:56,208 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-28 12:00:56,208 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-28 12:00:56,208 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-28 12:00:56,208 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-28 12:00:56,208 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-28 12:00:56,208 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-28 12:00:56,209 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-28 12:00:56,209 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,209 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,209 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,209 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,209 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,209 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-28 12:00:56,209 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-28 12:00:56,209 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-28 12:00:56,209 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-28 12:00:56,210 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-28 12:00:56,210 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-28 12:00:56,210 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-28 12:00:56,210 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-28 12:00:56,210 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-28 12:00:56,210 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-28 12:00:56,210 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-28 12:00:56,211 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-28 12:00:56,211 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-28 12:00:56,211 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-28 12:00:56,211 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,211 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,212 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,213 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,213 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,213 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-28 12:00:56,213 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-28 12:00:56,213 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-28 12:00:56,213 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-28 12:00:56,213 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-28 12:00:56,213 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-28 12:00:56,213 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-28 12:00:56,213 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-28 12:00:56,213 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-28 12:00:56,214 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-28 12:00:56,214 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,214 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,214 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,214 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,214 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,214 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-28 12:00:56,214 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-28 12:00:56,214 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-28 12:00:56,214 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-28 12:00:56,215 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-28 12:00:56,215 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-28 12:00:56,215 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-28 12:00:56,216 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-28 12:00:56,216 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-28 12:00:56,216 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-28 12:00:56,216 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-28 12:00:56,216 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-28 12:00:56,216 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-28 12:00:56,216 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,216 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,217 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,217 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,217 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,217 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-28 12:00:56,217 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-28 12:00:56,217 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-28 12:00:56,217 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-28 12:00:56,218 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-28 12:00:56,218 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,218 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,218 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-28 12:00:56,218 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-28 12:00:56,218 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-28 12:00:56,218 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-28 12:00:56,218 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,218 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,219 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,219 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,219 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,219 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-28 12:00:56,219 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-28 12:00:56,219 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-28 12:00:56,219 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-28 12:00:56,219 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-28 12:00:56,219 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-28 12:00:56,219 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-28 12:00:56,219 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-28 12:00:56,219 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-28 12:00:56,219 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-28 12:00:56,220 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-28 12:00:56,220 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-28 12:00:56,220 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-28 12:00:56,220 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,220 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,220 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,221 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,221 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-28 12:00:56,221 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,221 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,221 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-28 12:00:56,221 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-28 12:00:56,221 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-28 12:00:56,221 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-28 12:00:56,221 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-28 12:00:56,221 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-28 12:00:56,221 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-28 12:00:56,221 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-28 12:00:56,221 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-28 12:00:56,222 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-28 12:00:56,222 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-28 12:00:56,222 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-28 12:00:56,222 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-28 12:00:56,222 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,222 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,222 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,222 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,222 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,222 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,222 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-28 12:00:56,223 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse1 (not (<= |old(~a19~0)| 8))) (.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)))) (and (or (not (= 9 |old(~a19~0)|)) .cse0) (or .cse0 (not (= |old(~a10~0)| 1))) (or .cse1 .cse0 (not (= 2 |old(~a10~0)|))) (or .cse1 .cse0 (not (<= |old(~a1~0)| 33))) (or .cse0 (not (= 0 |old(~a10~0)|))) (or .cse1 .cse0 (not (= 4 |old(~a10~0)|))))) [2020-10-28 12:00:56,223 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-28 12:00:56,223 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-28 12:00:56,223 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-28 12:00:56,223 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-28 12:00:56,223 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-28 12:00:56,223 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-28 12:00:56,223 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-28 12:00:56,223 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-28 12:00:56,223 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-28 12:00:56,223 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-28 12:00:56,224 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-28 12:00:56,224 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-28 12:00:56,224 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-28 12:00:56,224 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,224 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,224 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,224 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,224 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,224 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,224 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-28 12:00:56,224 INFO L270 CegarLoopResult]: At program point L195(line 195) the Hoare annotation is: (let ((.cse0 (not (<= |old(~a19~0)| 8)))) (and (or .cse0 (not (<= |old(~a1~0)| 33))) (not (= |old(~a10~0)| 1)) (not (= 9 |old(~a19~0)|)) (or .cse0 (not (= 4 |old(~a10~0)|))) (not (= 0 |old(~a10~0)|)) (or .cse0 (not (= 2 |old(~a10~0)|))))) [2020-10-28 12:00:56,225 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-28 12:00:56,225 INFO L274 CegarLoopResult]: For program point L195-1(line 195) no Hoare annotation was computed. [2020-10-28 12:00:56,225 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-28 12:00:56,225 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-28 12:00:56,225 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-28 12:00:56,225 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-28 12:00:56,225 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-28 12:00:56,225 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-28 12:00:56,225 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-28 12:00:56,225 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-28 12:00:56,225 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-28 12:00:56,225 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-28 12:00:56,225 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,226 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,226 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,226 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,226 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,226 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,226 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-28 12:00:56,226 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-28 12:00:56,226 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-28 12:00:56,226 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-28 12:00:56,226 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-28 12:00:56,226 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-28 12:00:56,226 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-28 12:00:56,227 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-28 12:00:56,227 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-28 12:00:56,227 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-28 12:00:56,227 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-28 12:00:56,227 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-28 12:00:56,227 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,227 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,227 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,227 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,227 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,227 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:56,227 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 12:00:56,227 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a10~0 0) (= ~a19~0 9) (= 23 ~a1~0)) [2020-10-28 12:00:56,228 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 12:00:56,228 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 12:00:56,228 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)) (not (= 23 |old(~a1~0)|)) (and (= 23 ~a1~0) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) [2020-10-28 12:00:56,228 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-10-28 12:00:56,228 INFO L270 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 8))) (or (= ~a10~0 1) (= ~a10~0 0) (not (= 9 |old(~a19~0)|)) (= ~a19~0 9) (and (<= ~a1~0 33) .cse0) (not (= 0 |old(~a10~0)|)) (and (= ~a10~0 2) .cse0) (not (= 23 |old(~a1~0)|)) (and .cse0 (= ~a10~0 4)))) [2020-10-28 12:00:56,228 INFO L274 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-10-28 12:00:56,228 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-28 12:00:56,228 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 8))) (or (= ~a10~0 1) (= ~a10~0 0) (not (= 9 |old(~a19~0)|)) (= ~a19~0 9) (and (<= ~a1~0 33) .cse0) (not (= 0 |old(~a10~0)|)) (and (= ~a10~0 2) .cse0) (not (= 23 |old(~a1~0)|)) (and .cse0 (= ~a10~0 4)))) [2020-10-28 12:00:56,228 INFO L274 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-10-28 12:00:56,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 12:00:56 BoogieIcfgContainer [2020-10-28 12:00:56,259 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 12:00:56,262 INFO L168 Benchmark]: Toolchain (without parser) took 49864.78 ms. Allocated memory was 125.8 MB in the beginning and 934.3 MB in the end (delta: 808.5 MB). Free memory was 99.5 MB in the beginning and 720.2 MB in the end (delta: -620.8 MB). Peak memory consumption was 557.1 MB. Max. memory is 8.0 GB. [2020-10-28 12:00:56,263 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 125.8 MB. Free memory is still 88.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 12:00:56,264 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.46 ms. Allocated memory was 125.8 MB in the beginning and 162.5 MB in the end (delta: 36.7 MB). Free memory was 99.0 MB in the beginning and 141.9 MB in the end (delta: -42.9 MB). Peak memory consumption was 31.8 MB. Max. memory is 8.0 GB. [2020-10-28 12:00:56,267 INFO L168 Benchmark]: Boogie Preprocessor took 139.80 ms. Allocated memory is still 162.5 MB. Free memory was 141.9 MB in the beginning and 137.2 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-28 12:00:56,267 INFO L168 Benchmark]: RCFGBuilder took 1520.23 ms. Allocated memory is still 162.5 MB. Free memory was 136.8 MB in the beginning and 80.0 MB in the end (delta: 56.8 MB). Peak memory consumption was 58.3 MB. Max. memory is 8.0 GB. [2020-10-28 12:00:56,271 INFO L168 Benchmark]: TraceAbstraction took 47514.17 ms. Allocated memory was 162.5 MB in the beginning and 934.3 MB in the end (delta: 771.8 MB). Free memory was 79.5 MB in the beginning and 720.2 MB in the end (delta: -640.8 MB). Peak memory consumption was 499.5 MB. Max. memory is 8.0 GB. [2020-10-28 12:00:56,280 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 125.8 MB. Free memory is still 88.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 673.46 ms. Allocated memory was 125.8 MB in the beginning and 162.5 MB in the end (delta: 36.7 MB). Free memory was 99.0 MB in the beginning and 141.9 MB in the end (delta: -42.9 MB). Peak memory consumption was 31.8 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 139.80 ms. Allocated memory is still 162.5 MB. Free memory was 141.9 MB in the beginning and 137.2 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1520.23 ms. Allocated memory is still 162.5 MB. Free memory was 136.8 MB in the beginning and 80.0 MB in the end (delta: 56.8 MB). Peak memory consumption was 58.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 47514.17 ms. Allocated memory was 162.5 MB in the beginning and 934.3 MB in the end (delta: 771.8 MB). Free memory was 79.5 MB in the beginning and 720.2 MB in the end (delta: -640.8 MB). Peak memory consumption was 499.5 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: 584]: Loop Invariant Derived loop invariant: (((((((a10 == 1 || a10 == 0) || !(9 == \old(a19))) || a19 == 9) || (a1 <= 33 && a19 <= 8)) || !(0 == \old(a10))) || (a10 == 2 && a19 <= 8)) || !(23 == \old(a1))) || (a19 <= 8 && a10 == 4) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 45.9s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 17.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 264 SDtfs, 3384 SDslu, 304 SDs, 0 SdLazy, 8556 SolverSat, 961 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 141 GetRequests, 74 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2234occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 235 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 186 PreInvPairs, 232 NumberOfFragments, 325 HoareAnnotationTreeSize, 186 FomulaSimplifications, 5074 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 2552 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 25.7s InterpolantComputationTime, 2472 NumberOfCodeBlocks, 2472 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2462 ConstructedInterpolants, 0 QuantifiedInterpolants, 1692564 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 2067/2225 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...