/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=SHALLOWEST --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_label11.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-26 22:30:22,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 22:30:22,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 22:30:22,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 22:30:22,121 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 22:30:22,129 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 22:30:22,131 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 22:30:22,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 22:30:22,140 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 22:30:22,146 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 22:30:22,148 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 22:30:22,150 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 22:30:22,150 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 22:30:22,153 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 22:30:22,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 22:30:22,158 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 22:30:22,159 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 22:30:22,164 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 22:30:22,172 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 22:30:22,180 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 22:30:22,183 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 22:30:22,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 22:30:22,186 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 22:30:22,189 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 22:30:22,208 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 22:30:22,209 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 22:30:22,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 22:30:22,211 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 22:30:22,213 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 22:30:22,215 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 22:30:22,215 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 22:30:22,218 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 22:30:22,220 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 22:30:22,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 22:30:22,222 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 22:30:22,222 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 22:30:22,223 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 22:30:22,223 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 22:30:22,224 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 22:30:22,225 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 22:30:22,225 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 22:30:22,234 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 [2020-10-26 22:30:22,283 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 22:30:22,284 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 22:30:22,289 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 22:30:22,289 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 22:30:22,290 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 22:30:22,290 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 22:30:22,290 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 22:30:22,290 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 22:30:22,290 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 22:30:22,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 22:30:22,292 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 22:30:22,292 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 22:30:22,292 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 22:30:22,293 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 22:30:22,293 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 22:30:22,293 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 22:30:22,293 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 22:30:22,293 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 22:30:22,294 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 22:30:22,294 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 22:30:22,294 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 22:30:22,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 22:30:22,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 22:30:22,295 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 22:30:22,295 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 22:30:22,295 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 22:30:22,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 22:30:22,295 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 22:30:22,296 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 22:30:22,296 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-26 22:30:22,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 22:30:22,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 22:30:22,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 22:30:22,708 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 22:30:22,709 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 22:30:22,710 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label11.c [2020-10-26 22:30:22,796 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3b4490c1f/e0465ccbefac4c36aa02b356ebc74419/FLAG52549529c [2020-10-26 22:30:23,538 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 22:30:23,539 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label11.c [2020-10-26 22:30:23,551 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3b4490c1f/e0465ccbefac4c36aa02b356ebc74419/FLAG52549529c [2020-10-26 22:30:23,803 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3b4490c1f/e0465ccbefac4c36aa02b356ebc74419 [2020-10-26 22:30:23,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 22:30:23,815 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-26 22:30:23,817 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 22:30:23,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 22:30:23,826 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 22:30:23,827 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:30:23" (1/1) ... [2020-10-26 22:30:23,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cb8dd41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:30:23, skipping insertion in model container [2020-10-26 22:30:23,831 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:30:23" (1/1) ... [2020-10-26 22:30:23,840 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 22:30:23,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 22:30:24,354 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 22:30:24,375 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 22:30:24,519 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 22:30:24,548 INFO L208 MainTranslator]: Completed translation [2020-10-26 22:30:24,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:30:24 WrapperNode [2020-10-26 22:30:24,549 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 22:30:24,550 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 22:30:24,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 22:30:24,550 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 22:30:24,562 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:30:24" (1/1) ... [2020-10-26 22:30:24,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:30:24" (1/1) ... [2020-10-26 22:30:24,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:30:24" (1/1) ... [2020-10-26 22:30:24,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:30:24" (1/1) ... [2020-10-26 22:30:24,667 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:30:24" (1/1) ... [2020-10-26 22:30:24,713 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:30:24" (1/1) ... [2020-10-26 22:30:24,731 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:30:24" (1/1) ... [2020-10-26 22:30:24,740 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 22:30:24,742 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 22:30:24,742 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 22:30:24,742 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 22:30:24,743 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:30:24" (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 [2020-10-26 22:30:24,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-26 22:30:24,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 22:30:24,838 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-26 22:30:24,838 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-26 22:30:24,838 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-26 22:30:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-26 22:30:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-26 22:30:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-26 22:30:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-26 22:30:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 22:30:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-26 22:30:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-26 22:30:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-26 22:30:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-26 22:30:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 22:30:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 22:30:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 22:30:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-26 22:30:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 22:30:26,376 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 22:30:26,376 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-26 22:30:26,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:30:26 BoogieIcfgContainer [2020-10-26 22:30:26,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 22:30:26,381 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 22:30:26,382 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 22:30:26,386 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 22:30:26,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:30:23" (1/3) ... [2020-10-26 22:30:26,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e03eba6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:30:26, skipping insertion in model container [2020-10-26 22:30:26,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:30:24" (2/3) ... [2020-10-26 22:30:26,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e03eba6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:30:26, skipping insertion in model container [2020-10-26 22:30:26,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:30:26" (3/3) ... [2020-10-26 22:30:26,391 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label11.c [2020-10-26 22:30:26,406 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-26 22:30:26,412 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-26 22:30:26,428 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-26 22:30:26,461 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 22:30:26,462 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-26 22:30:26,462 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-26 22:30:26,462 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 22:30:26,462 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 22:30:26,462 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 22:30:26,463 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 22:30:26,463 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 22:30:26,489 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-26 22:30:26,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-10-26 22:30:26,500 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:30:26,501 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] [2020-10-26 22:30:26,502 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:30:26,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:30:26,510 INFO L82 PathProgramCache]: Analyzing trace with hash -304725924, now seen corresponding path program 1 times [2020-10-26 22:30:26,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:30:26,521 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1970477410] [2020-10-26 22:30:26,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:30:26,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:26,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:27,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:27,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-26 22:30:27,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:27,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 711 [2020-10-26 22:30:27,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:27,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:30:27,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:30:27,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-26 22:30:27,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-26 22:30:27,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:30:27,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:27,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:27,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:27,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:30:27,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:27,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-26 22:30:27,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:27,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:30:27,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:30:27,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:30:27,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:27,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 22:30:27,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1970477410] [2020-10-26 22:30:27,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 22:30:27,690 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 22:30:27,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873986446] [2020-10-26 22:30:27,697 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 22:30:27,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:30:27,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 22:30:27,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 22:30:27,716 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 4 states. [2020-10-26 22:30:29,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:30:29,710 INFO L93 Difference]: Finished difference Result 586 states and 1012 transitions. [2020-10-26 22:30:29,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:30:29,713 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 68 [2020-10-26 22:30:29,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:30:29,730 INFO L225 Difference]: With dead ends: 586 [2020-10-26 22:30:29,731 INFO L226 Difference]: Without dead ends: 303 [2020-10-26 22:30:29,741 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 [2020-10-26 22:30:29,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-26 22:30:29,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 299. [2020-10-26 22:30:29,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-10-26 22:30:29,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 396 transitions. [2020-10-26 22:30:29,869 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 396 transitions. Word has length 68 [2020-10-26 22:30:29,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:30:29,870 INFO L481 AbstractCegarLoop]: Abstraction has 299 states and 396 transitions. [2020-10-26 22:30:29,871 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 22:30:29,871 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 396 transitions. [2020-10-26 22:30:29,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-26 22:30:29,879 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:30:29,879 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:30:29,880 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-26 22:30:29,880 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:30:29,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:30:29,881 INFO L82 PathProgramCache]: Analyzing trace with hash -2074468320, now seen corresponding path program 1 times [2020-10-26 22:30:29,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:30:29,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [662347161] [2020-10-26 22:30:29,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:30:29,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:29,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:30,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:30,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:30,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-26 22:30:30,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:30:30,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 905 [2020-10-26 22:30:30,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:30,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-26 22:30:30,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:30:30,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-26 22:30:30,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:30:30,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:30:30,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:30,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:30,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:30,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:30:30,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:30,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-26 22:30:30,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:30,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:30:30,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:30:30,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:30:30,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:31,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:30:31,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:31,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:31,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:31,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:31,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-26 22:30:31,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:30:31,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 196 [2020-10-26 22:30:31,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:31,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:30:31,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:30:31,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-26 22:30:31,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:31,402 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 56 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-26 22:30:31,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [662347161] [2020-10-26 22:30:31,403 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:30:31,403 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 22:30:31,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530143631] [2020-10-26 22:30:31,406 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-26 22:30:31,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:30:31,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-26 22:30:31,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-26 22:30:31,413 INFO L87 Difference]: Start difference. First operand 299 states and 396 transitions. Second operand 6 states. [2020-10-26 22:30:33,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:30:33,079 INFO L93 Difference]: Finished difference Result 890 states and 1204 transitions. [2020-10-26 22:30:33,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-26 22:30:33,081 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 138 [2020-10-26 22:30:33,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:30:33,094 INFO L225 Difference]: With dead ends: 890 [2020-10-26 22:30:33,094 INFO L226 Difference]: Without dead ends: 597 [2020-10-26 22:30:33,100 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:30:33,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2020-10-26 22:30:33,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 591. [2020-10-26 22:30:33,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2020-10-26 22:30:33,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 760 transitions. [2020-10-26 22:30:33,182 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 760 transitions. Word has length 138 [2020-10-26 22:30:33,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:30:33,184 INFO L481 AbstractCegarLoop]: Abstraction has 591 states and 760 transitions. [2020-10-26 22:30:33,184 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-26 22:30:33,184 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 760 transitions. [2020-10-26 22:30:33,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-26 22:30:33,194 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:30:33,195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:30:33,195 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-26 22:30:33,195 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:30:33,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:30:33,196 INFO L82 PathProgramCache]: Analyzing trace with hash -970692448, now seen corresponding path program 1 times [2020-10-26 22:30:33,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:30:33,197 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1393167728] [2020-10-26 22:30:33,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:30:33,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:33,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:33,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:33,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:33,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 159 [2020-10-26 22:30:33,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:30:33,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 623 [2020-10-26 22:30:33,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:33,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:30:33,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-26 22:30:33,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-26 22:30:33,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:30:34,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:30:34,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:34,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:34,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:34,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:30:34,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:34,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-26 22:30:34,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:34,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:30:34,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:30:34,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:30:34,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-26 22:30:34,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:30:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:34,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:34,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:34,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-26 22:30:34,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:34,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-26 22:30:34,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:34,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:30:34,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:30:34,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-26 22:30:34,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:34,300 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 59 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 22:30:34,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1393167728] [2020-10-26 22:30:34,301 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:30:34,301 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 22:30:34,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864003196] [2020-10-26 22:30:34,303 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 22:30:34,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:30:34,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 22:30:34,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-26 22:30:34,308 INFO L87 Difference]: Start difference. First operand 591 states and 760 transitions. Second operand 5 states. [2020-10-26 22:30:35,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:30:35,639 INFO L93 Difference]: Finished difference Result 1205 states and 1557 transitions. [2020-10-26 22:30:35,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:30:35,641 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 147 [2020-10-26 22:30:35,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:30:35,648 INFO L225 Difference]: With dead ends: 1205 [2020-10-26 22:30:35,648 INFO L226 Difference]: Without dead ends: 597 [2020-10-26 22:30:35,650 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 [2020-10-26 22:30:35,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2020-10-26 22:30:35,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 591. [2020-10-26 22:30:35,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2020-10-26 22:30:35,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 755 transitions. [2020-10-26 22:30:35,700 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 755 transitions. Word has length 147 [2020-10-26 22:30:35,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:30:35,704 INFO L481 AbstractCegarLoop]: Abstraction has 591 states and 755 transitions. [2020-10-26 22:30:35,704 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 22:30:35,704 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 755 transitions. [2020-10-26 22:30:35,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-10-26 22:30:35,725 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:30:35,726 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:30:35,726 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-26 22:30:35,726 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:30:35,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:30:35,727 INFO L82 PathProgramCache]: Analyzing trace with hash -308277664, now seen corresponding path program 1 times [2020-10-26 22:30:35,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:30:35,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1007468776] [2020-10-26 22:30:35,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:30:35,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:35,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:36,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:36,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:36,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:36,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-26 22:30:36,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:30:36,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1020 [2020-10-26 22:30:36,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:36,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:30:36,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-26 22:30:36,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-26 22:30:36,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-26 22:30:36,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:30:36,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:36,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:36,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:36,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:30:36,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:36,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-26 22:30:36,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:36,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:30:36,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:30:36,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:30:36,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:36,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:30:36,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:36,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:37,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:37,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-26 22:30:37,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:37,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-26 22:30:37,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:37,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:30:37,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:30:37,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-26 22:30:37,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:30:37,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-26 22:30:37,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:37,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:37,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:37,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-26 22:30:37,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:37,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-26 22:30:37,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:37,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:30:37,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:30:37,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-26 22:30:37,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:37,351 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 187 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-26 22:30:37,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1007468776] [2020-10-26 22:30:37,352 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:30:37,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:30:37,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854808399] [2020-10-26 22:30:37,353 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:30:37,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:30:37,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:30:37,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:30:37,354 INFO L87 Difference]: Start difference. First operand 591 states and 755 transitions. Second operand 7 states. [2020-10-26 22:30:39,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:30:39,732 INFO L93 Difference]: Finished difference Result 1512 states and 2054 transitions. [2020-10-26 22:30:39,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 22:30:39,733 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 210 [2020-10-26 22:30:39,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:30:39,741 INFO L225 Difference]: With dead ends: 1512 [2020-10-26 22:30:39,742 INFO L226 Difference]: Without dead ends: 927 [2020-10-26 22:30:39,744 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:30:39,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2020-10-26 22:30:39,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 750. [2020-10-26 22:30:39,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 750 states. [2020-10-26 22:30:39,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 937 transitions. [2020-10-26 22:30:39,786 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 937 transitions. Word has length 210 [2020-10-26 22:30:39,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:30:39,787 INFO L481 AbstractCegarLoop]: Abstraction has 750 states and 937 transitions. [2020-10-26 22:30:39,787 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:30:39,787 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 937 transitions. [2020-10-26 22:30:39,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-26 22:30:39,792 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:30:39,792 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, 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] [2020-10-26 22:30:39,792 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-26 22:30:39,792 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:30:39,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:30:39,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1648401180, now seen corresponding path program 1 times [2020-10-26 22:30:39,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:30:39,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [12703234] [2020-10-26 22:30:39,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:30:39,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:39,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:39,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:40,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:42,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:43,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:43,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-26 22:30:43,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-26 22:30:43,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4052 [2020-10-26 22:30:43,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:43,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:30:43,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:30:43,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-26 22:30:43,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:44,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:30:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:44,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:44,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:44,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:30:44,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:44,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-26 22:30:44,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:44,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:30:44,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:30:44,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:30:44,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:44,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:30:44,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:44,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:44,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:44,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-26 22:30:44,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:44,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-10-26 22:30:44,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:44,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:30:44,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:30:44,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-26 22:30:44,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:44,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-26 22:30:44,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:44,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:44,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:44,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-26 22:30:44,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:44,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-26 22:30:44,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:44,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:30:44,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-26 22:30:44,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:30:44,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:44,500 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 120 proven. 67 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-26 22:30:44,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [12703234] [2020-10-26 22:30:44,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:30:44,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:30:44,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265632391] [2020-10-26 22:30:44,502 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:30:44,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:30:44,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:30:44,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:30:44,504 INFO L87 Difference]: Start difference. First operand 750 states and 937 transitions. Second operand 7 states. [2020-10-26 22:30:46,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:30:46,463 INFO L93 Difference]: Finished difference Result 1806 states and 2231 transitions. [2020-10-26 22:30:46,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 22:30:46,465 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 217 [2020-10-26 22:30:46,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:30:46,476 INFO L225 Difference]: With dead ends: 1806 [2020-10-26 22:30:46,477 INFO L226 Difference]: Without dead ends: 1062 [2020-10-26 22:30:46,480 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-26 22:30:46,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2020-10-26 22:30:46,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 1048. [2020-10-26 22:30:46,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1048 states. [2020-10-26 22:30:46,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 1048 states and 1260 transitions. [2020-10-26 22:30:46,538 INFO L78 Accepts]: Start accepts. Automaton has 1048 states and 1260 transitions. Word has length 217 [2020-10-26 22:30:46,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:30:46,538 INFO L481 AbstractCegarLoop]: Abstraction has 1048 states and 1260 transitions. [2020-10-26 22:30:46,538 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:30:46,540 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1260 transitions. [2020-10-26 22:30:46,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-10-26 22:30:46,547 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:30:46,547 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:30:46,547 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-26 22:30:46,547 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:30:46,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:30:46,548 INFO L82 PathProgramCache]: Analyzing trace with hash -819328360, now seen corresponding path program 1 times [2020-10-26 22:30:46,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:30:46,549 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [636832596] [2020-10-26 22:30:46,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:30:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:46,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:46,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:47,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:47,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-26 22:30:47,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:30:47,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1141 [2020-10-26 22:30:47,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:47,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:30:47,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-26 22:30:47,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 140 [2020-10-26 22:30:47,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:47,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:30:47,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:47,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:47,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:47,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:30:47,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:47,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-26 22:30:47,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:47,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:30:47,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:30:47,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:30:47,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:47,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:30:47,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:47,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:48,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:48,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-26 22:30:48,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:48,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-26 22:30:48,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:48,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:30:48,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:30:48,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-26 22:30:48,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:48,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-26 22:30:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:48,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:48,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:48,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:48,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-26 22:30:48,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:30:48,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-26 22:30:48,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:48,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:30:48,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:30:48,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-26 22:30:48,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:48,403 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 127 proven. 60 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-26 22:30:48,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [636832596] [2020-10-26 22:30:48,403 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:30:48,404 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-26 22:30:48,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309786123] [2020-10-26 22:30:48,405 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-26 22:30:48,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:30:48,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-26 22:30:48,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-26 22:30:48,406 INFO L87 Difference]: Start difference. First operand 1048 states and 1260 transitions. Second operand 6 states. [2020-10-26 22:30:50,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:30:50,216 INFO L93 Difference]: Finished difference Result 2259 states and 2858 transitions. [2020-10-26 22:30:50,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-26 22:30:50,218 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 255 [2020-10-26 22:30:50,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:30:50,226 INFO L225 Difference]: With dead ends: 2259 [2020-10-26 22:30:50,226 INFO L226 Difference]: Without dead ends: 1360 [2020-10-26 22:30:50,229 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 [2020-10-26 22:30:50,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1360 states. [2020-10-26 22:30:50,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1360 to 1346. [2020-10-26 22:30:50,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1346 states. [2020-10-26 22:30:50,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 1346 states and 1635 transitions. [2020-10-26 22:30:50,290 INFO L78 Accepts]: Start accepts. Automaton has 1346 states and 1635 transitions. Word has length 255 [2020-10-26 22:30:50,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:30:50,291 INFO L481 AbstractCegarLoop]: Abstraction has 1346 states and 1635 transitions. [2020-10-26 22:30:50,291 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-26 22:30:50,291 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states and 1635 transitions. [2020-10-26 22:30:50,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2020-10-26 22:30:50,298 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:30:50,300 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-26 22:30:50,300 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-26 22:30:50,301 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:30:50,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:30:50,304 INFO L82 PathProgramCache]: Analyzing trace with hash -305733720, now seen corresponding path program 1 times [2020-10-26 22:30:50,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:30:50,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2109090039] [2020-10-26 22:30:50,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:30:50,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:50,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:50,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:50,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:54,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:54,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 338 [2020-10-26 22:30:54,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:30:54,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4047 [2020-10-26 22:30:54,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:54,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-26 22:30:54,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-26 22:30:54,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 166 [2020-10-26 22:30:54,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:54,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:30:54,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:54,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:54,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:54,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:30:54,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:54,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-26 22:30:54,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:54,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:30:54,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:30:54,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:30:54,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:54,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:30:54,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:54,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:54,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:54,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-26 22:30:54,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:54,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-26 22:30:54,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:54,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:30:54,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:30:54,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-26 22:30:54,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:54,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-26 22:30:54,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:54,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:55,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:55,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-26 22:30:55,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:55,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 283 [2020-10-26 22:30:55,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:55,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-26 22:30:55,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:30:55,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-26 22:30:55,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:55,577 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 217 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-26 22:30:55,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2109090039] [2020-10-26 22:30:55,578 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:30:55,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-26 22:30:55,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87420970] [2020-10-26 22:30:55,579 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-26 22:30:55,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:30:55,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-26 22:30:55,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-26 22:30:55,581 INFO L87 Difference]: Start difference. First operand 1346 states and 1635 transitions. Second operand 8 states. [2020-10-26 22:30:58,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:30:58,156 INFO L93 Difference]: Finished difference Result 3469 states and 4380 transitions. [2020-10-26 22:30:58,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 22:30:58,157 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 324 [2020-10-26 22:30:58,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:30:58,174 INFO L225 Difference]: With dead ends: 3469 [2020-10-26 22:30:58,175 INFO L226 Difference]: Without dead ends: 2252 [2020-10-26 22:30:58,179 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-10-26 22:30:58,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2252 states. [2020-10-26 22:30:58,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2252 to 1950. [2020-10-26 22:30:58,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1950 states. [2020-10-26 22:30:58,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1950 states to 1950 states and 2492 transitions. [2020-10-26 22:30:58,259 INFO L78 Accepts]: Start accepts. Automaton has 1950 states and 2492 transitions. Word has length 324 [2020-10-26 22:30:58,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:30:58,260 INFO L481 AbstractCegarLoop]: Abstraction has 1950 states and 2492 transitions. [2020-10-26 22:30:58,260 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-26 22:30:58,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1950 states and 2492 transitions. [2020-10-26 22:30:58,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2020-10-26 22:30:58,269 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:30:58,270 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:30:58,270 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-26 22:30:58,270 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:30:58,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:30:58,271 INFO L82 PathProgramCache]: Analyzing trace with hash 755696068, now seen corresponding path program 1 times [2020-10-26 22:30:58,271 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:30:58,272 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [240813683] [2020-10-26 22:30:58,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:30:58,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:58,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:58,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:58,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:01,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:02,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:03,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:03,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 366 [2020-10-26 22:31:03,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-26 22:31:03,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-26 22:31:03,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:03,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:31:03,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-26 22:31:03,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-26 22:31:03,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:03,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:31:03,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:03,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:03,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:03,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:31:03,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:03,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-26 22:31:03,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:03,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:31:03,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:03,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:31:03,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:03,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:31:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:03,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:03,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:03,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-26 22:31:03,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:03,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-26 22:31:03,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:03,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:31:03,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:03,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-26 22:31:03,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:03,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-26 22:31:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:03,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:03,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:03,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-26 22:31:03,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:03,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-26 22:31:03,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:03,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:31:03,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:31:03,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-26 22:31:03,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:03,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-26 22:31:03,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:03,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:03,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:03,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-26 22:31:03,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:03,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-26 22:31:03,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:03,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:31:03,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-26 22:31:03,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:31:03,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:04,180 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 258 proven. 76 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2020-10-26 22:31:04,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [240813683] [2020-10-26 22:31:04,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:31:04,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:31:04,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506124530] [2020-10-26 22:31:04,183 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:31:04,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:31:04,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:31:04,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:31:04,184 INFO L87 Difference]: Start difference. First operand 1950 states and 2492 transitions. Second operand 7 states. [2020-10-26 22:31:06,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:31:06,606 INFO L93 Difference]: Finished difference Result 4355 states and 5633 transitions. [2020-10-26 22:31:06,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 22:31:06,607 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 350 [2020-10-26 22:31:06,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:31:06,623 INFO L225 Difference]: With dead ends: 4355 [2020-10-26 22:31:06,624 INFO L226 Difference]: Without dead ends: 2554 [2020-10-26 22:31:06,630 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-26 22:31:06,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2554 states. [2020-10-26 22:31:06,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2554 to 2540. [2020-10-26 22:31:06,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2540 states. [2020-10-26 22:31:06,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2540 states to 2540 states and 3145 transitions. [2020-10-26 22:31:06,719 INFO L78 Accepts]: Start accepts. Automaton has 2540 states and 3145 transitions. Word has length 350 [2020-10-26 22:31:06,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:31:06,720 INFO L481 AbstractCegarLoop]: Abstraction has 2540 states and 3145 transitions. [2020-10-26 22:31:06,720 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:31:06,720 INFO L276 IsEmpty]: Start isEmpty. Operand 2540 states and 3145 transitions. [2020-10-26 22:31:06,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2020-10-26 22:31:06,731 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:31:06,731 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:31:06,731 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-26 22:31:06,732 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:31:06,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:31:06,732 INFO L82 PathProgramCache]: Analyzing trace with hash 1910965628, now seen corresponding path program 1 times [2020-10-26 22:31:06,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:31:06,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [935899193] [2020-10-26 22:31:06,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:31:06,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:06,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:06,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:07,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:08,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:08,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:08,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 385 [2020-10-26 22:31:08,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-26 22:31:08,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2181 [2020-10-26 22:31:08,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:08,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:31:08,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 223 [2020-10-26 22:31:08,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 158 [2020-10-26 22:31:08,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:09,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:31:09,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:09,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:09,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:09,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:31:09,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:09,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 22:31:09,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:09,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:31:09,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:09,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:31:09,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:09,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:31:09,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:09,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:09,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:09,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-26 22:31:09,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:09,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-26 22:31:09,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:09,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:31:09,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:09,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:31:09,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:09,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-26 22:31:09,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:09,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:09,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:09,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-26 22:31:09,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:09,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-26 22:31:09,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:09,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:31:09,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:09,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-26 22:31:09,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:09,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-26 22:31:09,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:09,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:09,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:09,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:09,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-26 22:31:09,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:31:09,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-26 22:31:09,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:09,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:31:09,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:31:09,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-26 22:31:09,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:09,656 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 283 proven. 61 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-10-26 22:31:09,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [935899193] [2020-10-26 22:31:09,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:31:09,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-26 22:31:09,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022587744] [2020-10-26 22:31:09,658 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-26 22:31:09,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:31:09,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-26 22:31:09,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-26 22:31:09,659 INFO L87 Difference]: Start difference. First operand 2540 states and 3145 transitions. Second operand 6 states. [2020-10-26 22:31:11,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:31:11,574 INFO L93 Difference]: Finished difference Result 4156 states and 5448 transitions. [2020-10-26 22:31:11,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-26 22:31:11,575 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 369 [2020-10-26 22:31:11,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:31:11,602 INFO L225 Difference]: With dead ends: 4156 [2020-10-26 22:31:11,602 INFO L226 Difference]: Without dead ends: 4153 [2020-10-26 22:31:11,606 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-26 22:31:11,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4153 states. [2020-10-26 22:31:11,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4153 to 4139. [2020-10-26 22:31:11,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4139 states. [2020-10-26 22:31:11,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4139 states to 4139 states and 5402 transitions. [2020-10-26 22:31:11,786 INFO L78 Accepts]: Start accepts. Automaton has 4139 states and 5402 transitions. Word has length 369 [2020-10-26 22:31:11,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:31:11,787 INFO L481 AbstractCegarLoop]: Abstraction has 4139 states and 5402 transitions. [2020-10-26 22:31:11,787 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-26 22:31:11,788 INFO L276 IsEmpty]: Start isEmpty. Operand 4139 states and 5402 transitions. [2020-10-26 22:31:11,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2020-10-26 22:31:11,803 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:31:11,804 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:31:11,804 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-26 22:31:11,804 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:31:11,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:31:11,805 INFO L82 PathProgramCache]: Analyzing trace with hash 561106952, now seen corresponding path program 1 times [2020-10-26 22:31:11,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:31:11,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [48436880] [2020-10-26 22:31:11,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:31:11,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:11,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:12,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:13,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:13,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 409 [2020-10-26 22:31:13,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:31:13,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1159 [2020-10-26 22:31:13,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:13,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:31:13,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 339 [2020-10-26 22:31:13,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-26 22:31:13,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:13,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:31:13,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:13,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:13,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:13,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:31:13,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:13,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-26 22:31:13,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:13,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:31:13,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:13,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:31:13,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:13,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:31:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:13,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:13,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:13,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-26 22:31:13,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:13,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-26 22:31:13,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:13,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:31:13,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:13,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:31:13,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:13,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-26 22:31:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:13,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:13,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:13,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-26 22:31:13,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:13,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-26 22:31:13,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:13,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:31:13,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:13,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:31:13,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:13,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-26 22:31:13,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:13,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:13,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:13,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-26 22:31:13,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:13,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-26 22:31:13,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:13,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:31:13,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:13,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-26 22:31:13,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:13,607 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 183 proven. 3 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2020-10-26 22:31:13,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [48436880] [2020-10-26 22:31:13,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:31:13,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 22:31:13,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108190894] [2020-10-26 22:31:13,608 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 22:31:13,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:31:13,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 22:31:13,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-26 22:31:13,609 INFO L87 Difference]: Start difference. First operand 4139 states and 5402 transitions. Second operand 5 states. [2020-10-26 22:31:15,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:31:15,576 INFO L93 Difference]: Finished difference Result 8706 states and 11634 transitions. [2020-10-26 22:31:15,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:31:15,577 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 393 [2020-10-26 22:31:15,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:31:15,578 INFO L225 Difference]: With dead ends: 8706 [2020-10-26 22:31:15,578 INFO L226 Difference]: Without dead ends: 0 [2020-10-26 22:31:15,598 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 [2020-10-26 22:31:15,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-26 22:31:15,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-26 22:31:15,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-26 22:31:15,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-26 22:31:15,599 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 393 [2020-10-26 22:31:15,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:31:15,599 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 22:31:15,600 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 22:31:15,600 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-26 22:31:15,600 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-26 22:31:15,600 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-26 22:31:15,602 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-26 22:31:15,934 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 148 [2020-10-26 22:31:16,534 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 148 [2020-10-26 22:31:17,071 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 34 [2020-10-26 22:31:17,865 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 39 [2020-10-26 22:31:18,115 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 28 [2020-10-26 22:31:18,597 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 34 [2020-10-26 22:31:18,602 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-26 22:31:18,603 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-26 22:31:18,603 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-26 22:31:18,603 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-26 22:31:18,603 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-26 22:31:18,604 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)|)) [2020-10-26 22:31:18,604 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-26 22:31:18,604 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-26 22:31:18,604 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-26 22:31:18,605 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-26 22:31:18,605 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-26 22:31:18,605 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-26 22:31:18,605 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-26 22:31:18,605 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-26 22:31:18,605 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-26 22:31:18,606 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-26 22:31:18,606 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-26 22:31:18,606 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-26 22:31:18,606 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-26 22:31:18,606 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-26 22:31:18,606 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,606 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,606 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,606 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,607 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,607 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,607 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-26 22:31:18,607 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-26 22:31:18,607 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-26 22:31:18,607 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-26 22:31:18,607 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-26 22:31:18,607 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-26 22:31:18,607 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-26 22:31:18,608 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-26 22:31:18,608 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-26 22:31:18,608 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-26 22:31:18,608 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-26 22:31:18,608 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,608 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,608 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,608 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,608 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,609 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-26 22:31:18,609 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-26 22:31:18,609 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-26 22:31:18,609 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-26 22:31:18,609 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-26 22:31:18,609 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-26 22:31:18,609 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-26 22:31:18,609 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-26 22:31:18,610 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-26 22:31:18,610 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-26 22:31:18,610 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-26 22:31:18,610 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-26 22:31:18,610 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-26 22:31:18,610 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-26 22:31:18,610 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,610 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,610 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,611 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,611 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,611 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-26 22:31:18,611 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-26 22:31:18,611 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-26 22:31:18,611 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-26 22:31:18,611 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-26 22:31:18,611 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-26 22:31:18,611 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-26 22:31:18,612 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-26 22:31:18,612 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-26 22:31:18,612 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-26 22:31:18,612 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,612 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,612 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,612 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,612 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,612 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-26 22:31:18,613 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-26 22:31:18,613 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-26 22:31:18,613 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-26 22:31:18,613 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-26 22:31:18,613 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-26 22:31:18,613 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-26 22:31:18,613 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-26 22:31:18,613 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-26 22:31:18,613 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-26 22:31:18,613 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-26 22:31:18,614 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-26 22:31:18,614 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-26 22:31:18,614 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,614 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,614 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,614 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,614 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,614 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-26 22:31:18,614 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-26 22:31:18,615 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-26 22:31:18,615 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-26 22:31:18,615 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-26 22:31:18,615 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,615 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,615 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-26 22:31:18,615 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-26 22:31:18,615 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-26 22:31:18,615 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-26 22:31:18,616 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,616 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,616 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,616 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,616 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,616 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-26 22:31:18,616 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-26 22:31:18,616 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-26 22:31:18,616 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-26 22:31:18,616 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-26 22:31:18,617 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-26 22:31:18,617 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-26 22:31:18,617 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-26 22:31:18,617 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-26 22:31:18,617 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-26 22:31:18,617 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-26 22:31:18,617 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-26 22:31:18,617 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-26 22:31:18,617 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,617 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,617 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,618 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,618 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-26 22:31:18,618 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,618 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,618 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-26 22:31:18,618 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-26 22:31:18,618 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-26 22:31:18,618 INFO L270 CegarLoopResult]: At program point L189(line 189) the Hoare annotation is: (let ((.cse0 (not (<= |old(~a1~0)| 505272)))) (and (or (not (<= 0 (+ |old(~a1~0)| 7))) .cse0) (or (not (= 0 |old(~a10~0)|)) .cse0) (not (= 9 |old(~a19~0)|)) (not (= |old(~a10~0)| 1)) (not (= 2 |old(~a10~0)|)) (not (= 4 |old(~a10~0)|)))) [2020-10-26 22:31:18,619 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-26 22:31:18,619 INFO L274 CegarLoopResult]: For program point L189-1(line 189) no Hoare annotation was computed. [2020-10-26 22:31:18,619 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-26 22:31:18,619 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-26 22:31:18,619 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-26 22:31:18,619 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-26 22:31:18,619 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-26 22:31:18,619 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-26 22:31:18,619 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-26 22:31:18,619 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-26 22:31:18,620 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,620 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,620 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,620 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,620 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,620 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,620 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-26 22:31:18,620 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse1 (not (<= |old(~a1~0)| 505272))) (.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)))) (and (or .cse0 (not (= 4 |old(~a10~0)|))) (or .cse0 (not (= 0 |old(~a10~0)|)) .cse1) (or (not (= |old(~a10~0)| 1)) .cse0) (or (not (= 9 |old(~a19~0)|)) .cse0) (or .cse0 (not (<= 0 (+ |old(~a1~0)| 7))) .cse1) (or .cse0 (not (= 2 |old(~a10~0)|))))) [2020-10-26 22:31:18,620 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-26 22:31:18,621 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-26 22:31:18,621 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-26 22:31:18,621 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-26 22:31:18,621 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-26 22:31:18,621 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-26 22:31:18,621 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-26 22:31:18,621 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-26 22:31:18,621 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-26 22:31:18,621 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-26 22:31:18,621 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-26 22:31:18,621 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-26 22:31:18,622 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-26 22:31:18,622 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,622 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,622 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,622 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,622 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,622 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,622 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-26 22:31:18,622 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-26 22:31:18,622 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-26 22:31:18,622 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-26 22:31:18,623 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-26 22:31:18,623 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-26 22:31:18,623 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-26 22:31:18,623 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-26 22:31:18,623 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-26 22:31:18,623 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-26 22:31:18,623 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-26 22:31:18,623 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-26 22:31:18,623 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-26 22:31:18,623 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,624 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,624 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,624 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,624 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,624 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,624 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-26 22:31:18,624 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-26 22:31:18,624 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-26 22:31:18,624 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-26 22:31:18,624 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-26 22:31:18,625 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-26 22:31:18,625 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-26 22:31:18,625 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-26 22:31:18,625 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-26 22:31:18,625 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-26 22:31:18,625 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-26 22:31:18,625 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-26 22:31:18,625 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,625 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,625 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,625 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,625 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,626 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:18,626 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-26 22:31:18,626 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a10~0 0) (= ~a19~0 9) (<= 0 (+ ~a1~0 7)) (<= ~a1~0 23)) [2020-10-26 22:31:18,626 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-26 22:31:18,626 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-26 22:31:18,626 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (not (= 9 |old(~a19~0)|)) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= 0 (+ |old(~a1~0)| 7))) (not (= 0 |old(~a10~0)|))) [2020-10-26 22:31:18,626 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-10-26 22:31:18,626 INFO L270 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (let ((.cse0 (<= ~a1~0 505272))) (or (= ~a10~0 1) (not (= 9 |old(~a19~0)|)) (= ~a10~0 2) (not (<= |old(~a1~0)| 23)) (= ~a19~0 9) (not (= 0 |old(~a10~0)|)) (and (= ~a10~0 0) .cse0) (not (<= 0 (+ |old(~a1~0)| 7))) (= ~a10~0 4) (and .cse0 (<= 0 (+ ~a1~0 7))))) [2020-10-26 22:31:18,627 INFO L274 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-10-26 22:31:18,627 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-26 22:31:18,627 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse0 (<= ~a1~0 505272))) (or (= ~a10~0 1) (not (= 9 |old(~a19~0)|)) (= ~a10~0 2) (not (<= |old(~a1~0)| 23)) (= ~a19~0 9) (not (= 0 |old(~a10~0)|)) (and (= ~a10~0 0) .cse0) (not (<= 0 (+ |old(~a1~0)| 7))) (= ~a10~0 4) (and .cse0 (<= 0 (+ ~a1~0 7))))) [2020-10-26 22:31:18,627 INFO L274 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-10-26 22:31:18,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:31:18 BoogieIcfgContainer [2020-10-26 22:31:18,647 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 22:31:18,649 INFO L168 Benchmark]: Toolchain (without parser) took 54837.93 ms. Allocated memory was 151.0 MB in the beginning and 955.3 MB in the end (delta: 804.3 MB). Free memory was 125.0 MB in the beginning and 814.6 MB in the end (delta: -689.5 MB). Peak memory consumption was 539.5 MB. Max. memory is 8.0 GB. [2020-10-26 22:31:18,649 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 123.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-26 22:31:18,650 INFO L168 Benchmark]: CACSL2BoogieTranslator took 732.20 ms. Allocated memory is still 151.0 MB. Free memory was 124.4 MB in the beginning and 97.8 MB in the end (delta: 26.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-10-26 22:31:18,650 INFO L168 Benchmark]: Boogie Preprocessor took 190.85 ms. Allocated memory is still 151.0 MB. Free memory was 97.6 MB in the beginning and 131.1 MB in the end (delta: -33.5 MB). Peak memory consumption was 6.7 MB. Max. memory is 8.0 GB. [2020-10-26 22:31:18,651 INFO L168 Benchmark]: RCFGBuilder took 1637.47 ms. Allocated memory was 151.0 MB in the beginning and 183.5 MB in the end (delta: 32.5 MB). Free memory was 130.5 MB in the beginning and 142.6 MB in the end (delta: -12.1 MB). Peak memory consumption was 85.5 MB. Max. memory is 8.0 GB. [2020-10-26 22:31:18,652 INFO L168 Benchmark]: TraceAbstraction took 52265.33 ms. Allocated memory was 183.5 MB in the beginning and 955.3 MB in the end (delta: 771.8 MB). Free memory was 142.1 MB in the beginning and 814.6 MB in the end (delta: -672.5 MB). Peak memory consumption was 522.9 MB. Max. memory is 8.0 GB. [2020-10-26 22:31:18,656 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 123.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 732.20 ms. Allocated memory is still 151.0 MB. Free memory was 124.4 MB in the beginning and 97.8 MB in the end (delta: 26.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 190.85 ms. Allocated memory is still 151.0 MB. Free memory was 97.6 MB in the beginning and 131.1 MB in the end (delta: -33.5 MB). Peak memory consumption was 6.7 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1637.47 ms. Allocated memory was 151.0 MB in the beginning and 183.5 MB in the end (delta: 32.5 MB). Free memory was 130.5 MB in the beginning and 142.6 MB in the end (delta: -12.1 MB). Peak memory consumption was 85.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 52265.33 ms. Allocated memory was 183.5 MB in the beginning and 955.3 MB in the end (delta: 771.8 MB). Free memory was 142.1 MB in the beginning and 814.6 MB in the end (delta: -672.5 MB). Peak memory consumption was 522.9 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 || !(9 == \old(a19))) || a10 == 2) || !(\old(a1) <= 23)) || a19 == 9) || !(0 == \old(a10))) || (a10 == 0 && a1 <= 505272)) || !(0 <= \old(a1) + 7)) || a10 == 4) || (a1 <= 505272 && 0 <= a1 + 7) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 49.1s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 20.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 260 SDtfs, 3326 SDslu, 300 SDs, 0 SdLazy, 8281 SolverSat, 1134 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 158 GetRequests, 88 SyntacticMatches, 1 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4139occurred 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: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 551 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 222 PreInvPairs, 290 NumberOfFragments, 339 HoareAnnotationTreeSize, 222 FomulaSimplifications, 73504 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 9 FomulaSimplificationsInter, 9489 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 26.1s InterpolantComputationTime, 2471 NumberOfCodeBlocks, 2471 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2461 ConstructedInterpolants, 0 QuantifiedInterpolants, 1922629 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 1954/2242 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...