/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label07.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 11:57:48,060 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 11:57:48,066 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 11:57:48,129 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 11:57:48,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 11:57:48,136 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 11:57:48,140 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 11:57:48,144 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 11:57:48,148 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 11:57:48,154 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 11:57:48,156 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 11:57:48,157 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 11:57:48,158 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 11:57:48,161 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 11:57:48,164 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 11:57:48,166 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 11:57:48,167 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 11:57:48,171 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 11:57:48,178 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 11:57:48,189 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 11:57:48,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 11:57:48,193 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 11:57:48,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 11:57:48,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 11:57:48,207 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 11:57:48,207 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 11:57:48,208 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 11:57:48,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 11:57:48,211 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 11:57:48,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 11:57:48,212 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 11:57:48,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 11:57:48,215 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 11:57:48,216 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 11:57:48,218 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 11:57:48,218 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 11:57:48,219 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 11:57:48,219 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 11:57:48,219 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 11:57:48,220 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 11:57:48,221 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 11:57:48,229 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 11:57:48,307 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 11:57:48,307 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 11:57:48,311 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 11:57:48,311 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 11:57:48,312 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 11:57:48,312 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 11:57:48,312 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 11:57:48,312 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 11:57:48,313 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 11:57:48,313 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 11:57:48,314 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 11:57:48,314 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 11:57:48,314 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 11:57:48,314 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 11:57:48,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 11:57:48,315 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 11:57:48,315 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 11:57:48,315 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 11:57:48,315 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 11:57:48,316 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 11:57:48,316 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 11:57:48,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 11:57:48,316 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 11:57:48,317 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 11:57:48,317 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 11:57:48,317 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 11:57:48,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 11:57:48,317 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 11:57:48,317 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 11:57:48,318 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 11:57:48,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 11:57:48,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 11:57:48,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 11:57:48,779 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 11:57:48,780 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 11:57:48,782 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label07.c [2020-10-28 11:57:48,871 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/81bf8f74e/5cf8d1e30d364c35b93b29d9165af991/FLAG6dcd771e7 [2020-10-28 11:57:49,594 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 11:57:49,595 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label07.c [2020-10-28 11:57:49,613 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/81bf8f74e/5cf8d1e30d364c35b93b29d9165af991/FLAG6dcd771e7 [2020-10-28 11:57:49,862 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/81bf8f74e/5cf8d1e30d364c35b93b29d9165af991 [2020-10-28 11:57:49,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 11:57:49,877 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 11:57:49,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 11:57:49,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 11:57:49,886 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 11:57:49,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:57:49" (1/1) ... [2020-10-28 11:57:49,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d846b01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:57:49, skipping insertion in model container [2020-10-28 11:57:49,893 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:57:49" (1/1) ... [2020-10-28 11:57:49,903 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 11:57:49,971 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 11:57:50,484 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 11:57:50,495 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 11:57:50,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 11:57:50,696 INFO L208 MainTranslator]: Completed translation [2020-10-28 11:57:50,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:57:50 WrapperNode [2020-10-28 11:57:50,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 11:57:50,699 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 11:57:50,699 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 11:57:50,699 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 11:57:50,713 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:57:50" (1/1) ... [2020-10-28 11:57:50,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:57:50" (1/1) ... [2020-10-28 11:57:50,749 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:57:50" (1/1) ... [2020-10-28 11:57:50,749 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:57:50" (1/1) ... [2020-10-28 11:57:50,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:57:50" (1/1) ... [2020-10-28 11:57:50,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:57:50" (1/1) ... [2020-10-28 11:57:50,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:57:50" (1/1) ... [2020-10-28 11:57:50,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 11:57:50,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 11:57:50,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 11:57:50,841 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 11:57:50,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:57:50" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 11:57:50,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 11:57:50,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 11:57:50,946 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 11:57:50,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-28 11:57:50,947 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 11:57:50,948 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-28 11:57:50,948 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 11:57:50,948 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 11:57:50,948 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 11:57:50,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 11:57:50,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 11:57:50,950 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 11:57:50,950 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 11:57:50,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 11:57:50,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 11:57:50,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 11:57:50,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 11:57:50,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 11:57:50,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 11:57:52,613 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 11:57:52,614 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 11:57:52,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:57:52 BoogieIcfgContainer [2020-10-28 11:57:52,616 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 11:57:52,619 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 11:57:52,619 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 11:57:52,623 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 11:57:52,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:57:49" (1/3) ... [2020-10-28 11:57:52,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a0ecaa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:57:52, skipping insertion in model container [2020-10-28 11:57:52,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:57:50" (2/3) ... [2020-10-28 11:57:52,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a0ecaa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:57:52, skipping insertion in model container [2020-10-28 11:57:52,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:57:52" (3/3) ... [2020-10-28 11:57:52,628 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label07.c [2020-10-28 11:57:52,641 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 11:57:52,648 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 11:57:52,663 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 11:57:52,711 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 11:57:52,711 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 11:57:52,711 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 11:57:52,711 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 11:57:52,711 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 11:57:52,711 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 11:57:52,712 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 11:57:52,712 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 11:57:52,735 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-28 11:57:52,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-28 11:57:52,745 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:57:52,746 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] [2020-10-28 11:57:52,746 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:57:52,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:57:52,753 INFO L82 PathProgramCache]: Analyzing trace with hash -821265892, now seen corresponding path program 1 times [2020-10-28 11:57:52,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:57:52,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [407446897] [2020-10-28 11:57:52,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:57:52,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:57:53,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:57:53,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:57:53,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-28 11:57:53,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:57:53,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 623 [2020-10-28 11:57:53,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:57:53,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:57:53,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 11:57:53,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 11:57:53,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-28 11:57:53,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 11:57:53,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:57:53,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:57:53,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:57:53,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:57:53,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:57:53,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:57:53,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 11:57:53,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:57:53,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:57:53,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:57:53,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:57:53,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 11:57:53,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:57:53,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 11:57:53,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [407446897] [2020-10-28 11:57:53,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 11:57:53,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 11:57:53,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465104665] [2020-10-28 11:57:53,804 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 11:57:53,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:57:53,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 11:57:53,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 11:57:53,829 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 4 states. [2020-10-28 11:57:55,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:57:55,849 INFO L93 Difference]: Finished difference Result 586 states and 1012 transitions. [2020-10-28 11:57:55,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 11:57:55,852 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-10-28 11:57:55,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:57:55,868 INFO L225 Difference]: With dead ends: 586 [2020-10-28 11:57:55,868 INFO L226 Difference]: Without dead ends: 303 [2020-10-28 11:57:55,878 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 11:57:55,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-28 11:57:55,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 299. [2020-10-28 11:57:55,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-10-28 11:57:55,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 396 transitions. [2020-10-28 11:57:55,957 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 396 transitions. Word has length 52 [2020-10-28 11:57:55,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:57:55,958 INFO L481 AbstractCegarLoop]: Abstraction has 299 states and 396 transitions. [2020-10-28 11:57:55,958 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 11:57:55,958 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 396 transitions. [2020-10-28 11:57:55,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-28 11:57:55,964 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:57:55,964 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:57:55,965 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 11:57:55,965 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:57:55,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:57:55,966 INFO L82 PathProgramCache]: Analyzing trace with hash -313630496, now seen corresponding path program 1 times [2020-10-28 11:57:55,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:57:55,966 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1656007029] [2020-10-28 11:57:55,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:57:56,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:57:56,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:57:56,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:57:56,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:57:56,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-28 11:57:56,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 11:57:56,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 865 [2020-10-28 11:57:56,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:57:56,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:57:56,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:57:56,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-28 11:57:56,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-28 11:57:56,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:57:57,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:57:57,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:57:57,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:57:57,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:57:57,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:57:57,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:57:57,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 11:57:57,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:57:57,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:57:57,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:57:57,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:57:57,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:57:57,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 11:57:57,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:57:57,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:57:57,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:57:57,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:57:57,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 11:57:57,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:57:57,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-28 11:57:57,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:57:57,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:57:57,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:57:57,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:57:57,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-28 11:57:57,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:57:57,295 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 43 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 11:57:57,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1656007029] [2020-10-28 11:57:57,296 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:57:57,296 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 11:57:57,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638708550] [2020-10-28 11:57:57,299 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 11:57:57,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:57:57,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 11:57:57,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 11:57:57,303 INFO L87 Difference]: Start difference. First operand 299 states and 396 transitions. Second operand 5 states. [2020-10-28 11:57:58,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:57:58,887 INFO L93 Difference]: Finished difference Result 886 states and 1199 transitions. [2020-10-28 11:57:58,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 11:57:58,888 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 122 [2020-10-28 11:57:58,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:57:58,895 INFO L225 Difference]: With dead ends: 886 [2020-10-28 11:57:58,896 INFO L226 Difference]: Without dead ends: 593 [2020-10-28 11:57:58,898 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 11:57:58,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2020-10-28 11:57:58,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 589. [2020-10-28 11:57:58,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 589 states. [2020-10-28 11:57:58,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 757 transitions. [2020-10-28 11:57:58,953 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 757 transitions. Word has length 122 [2020-10-28 11:57:58,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:57:58,954 INFO L481 AbstractCegarLoop]: Abstraction has 589 states and 757 transitions. [2020-10-28 11:57:58,954 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 11:57:58,954 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 757 transitions. [2020-10-28 11:57:58,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-28 11:57:58,965 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:57:58,965 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:57:58,966 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 11:57:58,966 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:57:58,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:57:58,970 INFO L82 PathProgramCache]: Analyzing trace with hash -875787424, now seen corresponding path program 1 times [2020-10-28 11:57:58,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:57:58,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1498017605] [2020-10-28 11:57:58,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:57:59,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:57:59,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:57:59,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:57:59,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:57:59,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-28 11:57:59,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 11:57:59,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 438 [2020-10-28 11:57:59,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:57:59,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:57:59,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:57:59,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-28 11:57:59,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-28 11:57:59,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:57:59,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:57:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:57:59,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:57:59,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:57:59,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:57:59,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:57:59,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 11:57:59,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:57:59,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:57:59,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:57:59,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:57:59,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:57:59,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:57:59,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:57:59,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:57:59,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:57:59,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:57:59,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 11:57:59,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:57:59,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-28 11:57:59,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:57:59,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:57:59,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:57:59,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:57:59,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 11:57:59,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:57:59,765 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 43 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 11:57:59,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1498017605] [2020-10-28 11:57:59,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:57:59,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 11:57:59,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881695928] [2020-10-28 11:57:59,766 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 11:57:59,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:57:59,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 11:57:59,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 11:57:59,768 INFO L87 Difference]: Start difference. First operand 589 states and 757 transitions. Second operand 5 states. [2020-10-28 11:58:01,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:01,504 INFO L93 Difference]: Finished difference Result 1466 states and 1917 transitions. [2020-10-28 11:58:01,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 11:58:01,511 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 131 [2020-10-28 11:58:01,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:01,516 INFO L225 Difference]: With dead ends: 1466 [2020-10-28 11:58:01,516 INFO L226 Difference]: Without dead ends: 593 [2020-10-28 11:58:01,519 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 11:58:01,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2020-10-28 11:58:01,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 589. [2020-10-28 11:58:01,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 589 states. [2020-10-28 11:58:01,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 734 transitions. [2020-10-28 11:58:01,547 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 734 transitions. Word has length 131 [2020-10-28 11:58:01,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:01,548 INFO L481 AbstractCegarLoop]: Abstraction has 589 states and 734 transitions. [2020-10-28 11:58:01,548 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 11:58:01,548 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 734 transitions. [2020-10-28 11:58:01,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-10-28 11:58:01,551 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:01,552 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, 2, 2, 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] [2020-10-28 11:58:01,552 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 11:58:01,552 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:01,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:01,553 INFO L82 PathProgramCache]: Analyzing trace with hash -462680544, now seen corresponding path program 1 times [2020-10-28 11:58:01,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:01,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [787158964] [2020-10-28 11:58:01,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:01,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:01,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:01,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:02,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:02,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-10-28 11:58:02,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 11:58:02,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1009 [2020-10-28 11:58:02,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:02,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:02,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:02,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-28 11:58:02,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-28 11:58:02,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:02,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:02,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:02,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:02,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:02,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:02,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:02,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 11:58:02,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:02,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:02,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:02,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:02,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:02,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:02,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:02,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:02,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:02,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:02,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 11:58:02,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:02,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-28 11:58:02,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:02,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:02,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:02,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:02,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-28 11:58:02,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 11:58:02,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 11:58:02,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:02,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:02,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:02,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-28 11:58:02,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:02,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-28 11:58:02,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:02,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:02,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:02,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:58:02,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-28 11:58:02,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:03,159 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 155 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 11:58:03,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [787158964] [2020-10-28 11:58:03,160 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:58:03,160 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 11:58:03,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734521388] [2020-10-28 11:58:03,161 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 11:58:03,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:03,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 11:58:03,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-28 11:58:03,163 INFO L87 Difference]: Start difference. First operand 589 states and 734 transitions. Second operand 8 states. [2020-10-28 11:58:06,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:06,013 INFO L93 Difference]: Finished difference Result 1488 states and 1930 transitions. [2020-10-28 11:58:06,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 11:58:06,014 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 194 [2020-10-28 11:58:06,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:06,025 INFO L225 Difference]: With dead ends: 1488 [2020-10-28 11:58:06,026 INFO L226 Difference]: Without dead ends: 905 [2020-10-28 11:58:06,030 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-28 11:58:06,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2020-10-28 11:58:06,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 893. [2020-10-28 11:58:06,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 893 states. [2020-10-28 11:58:06,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 893 states and 1113 transitions. [2020-10-28 11:58:06,085 INFO L78 Accepts]: Start accepts. Automaton has 893 states and 1113 transitions. Word has length 194 [2020-10-28 11:58:06,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:06,087 INFO L481 AbstractCegarLoop]: Abstraction has 893 states and 1113 transitions. [2020-10-28 11:58:06,087 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 11:58:06,087 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1113 transitions. [2020-10-28 11:58:06,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-28 11:58:06,094 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:06,094 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, 2, 2, 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] [2020-10-28 11:58:06,094 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 11:58:06,095 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:06,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:06,095 INFO L82 PathProgramCache]: Analyzing trace with hash 185896332, now seen corresponding path program 1 times [2020-10-28 11:58:06,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:06,098 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [254400583] [2020-10-28 11:58:06,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:06,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:06,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:06,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:07,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:07,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:07,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-28 11:58:07,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 11:58:07,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1716 [2020-10-28 11:58:07,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:07,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:07,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:07,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-28 11:58:07,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-28 11:58:07,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:07,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:07,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:07,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:08,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:08,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:08,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:08,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 11:58:08,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:08,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:08,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:08,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:08,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:08,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:08,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:08,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:08,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:08,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:08,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 11:58:08,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:08,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-28 11:58:08,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:08,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:08,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:08,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:08,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-28 11:58:08,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:08,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 11:58:08,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:08,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:08,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:08,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 11:58:08,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:08,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-28 11:58:08,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:08,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:08,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:08,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:58:08,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-28 11:58:08,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:08,350 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 155 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 11:58:08,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [254400583] [2020-10-28 11:58:08,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:58:08,351 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 11:58:08,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998005619] [2020-10-28 11:58:08,352 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:58:08,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:08,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:58:08,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:58:08,354 INFO L87 Difference]: Start difference. First operand 893 states and 1113 transitions. Second operand 7 states. [2020-10-28 11:58:10,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:10,281 INFO L93 Difference]: Finished difference Result 2098 states and 2641 transitions. [2020-10-28 11:58:10,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 11:58:10,282 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 204 [2020-10-28 11:58:10,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:10,292 INFO L225 Difference]: With dead ends: 2098 [2020-10-28 11:58:10,293 INFO L226 Difference]: Without dead ends: 1211 [2020-10-28 11:58:10,296 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-28 11:58:10,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1211 states. [2020-10-28 11:58:10,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1211 to 1197. [2020-10-28 11:58:10,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1197 states. [2020-10-28 11:58:10,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 1197 states and 1411 transitions. [2020-10-28 11:58:10,350 INFO L78 Accepts]: Start accepts. Automaton has 1197 states and 1411 transitions. Word has length 204 [2020-10-28 11:58:10,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:10,351 INFO L481 AbstractCegarLoop]: Abstraction has 1197 states and 1411 transitions. [2020-10-28 11:58:10,351 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:58:10,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1411 transitions. [2020-10-28 11:58:10,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-28 11:58:10,354 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:10,355 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:58:10,355 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 11:58:10,355 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:10,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:10,356 INFO L82 PathProgramCache]: Analyzing trace with hash -1089816304, now seen corresponding path program 1 times [2020-10-28 11:58:10,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:10,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [642060272] [2020-10-28 11:58:10,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:10,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:10,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:10,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:13,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:15,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:15,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-28 11:58:15,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 11:58:15,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-28 11:58:15,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:15,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:15,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:15,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-28 11:58:15,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-28 11:58:15,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:15,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:15,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:15,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:15,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:15,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:15,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:15,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 11:58:15,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:15,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:15,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:15,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:15,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:15,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:15,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:15,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:15,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:15,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:15,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 11:58:15,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:15,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-28 11:58:15,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:15,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:15,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:15,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:15,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-28 11:58:15,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:15,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 11:58:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:15,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:15,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:15,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 11:58:15,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:15,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-28 11:58:15,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:15,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:15,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:15,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:58:15,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-28 11:58:15,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:15,903 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 162 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 11:58:15,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [642060272] [2020-10-28 11:58:15,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:58:15,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 11:58:15,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82934998] [2020-10-28 11:58:15,906 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:58:15,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:15,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:58:15,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:58:15,908 INFO L87 Difference]: Start difference. First operand 1197 states and 1411 transitions. Second operand 7 states. [2020-10-28 11:58:17,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:17,988 INFO L93 Difference]: Finished difference Result 2696 states and 3220 transitions. [2020-10-28 11:58:17,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 11:58:17,989 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 211 [2020-10-28 11:58:17,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:17,998 INFO L225 Difference]: With dead ends: 2696 [2020-10-28 11:58:17,998 INFO L226 Difference]: Without dead ends: 1505 [2020-10-28 11:58:18,002 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-28 11:58:18,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1505 states. [2020-10-28 11:58:18,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1505 to 1348. [2020-10-28 11:58:18,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1348 states. [2020-10-28 11:58:18,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1348 states to 1348 states and 1585 transitions. [2020-10-28 11:58:18,073 INFO L78 Accepts]: Start accepts. Automaton has 1348 states and 1585 transitions. Word has length 211 [2020-10-28 11:58:18,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:18,075 INFO L481 AbstractCegarLoop]: Abstraction has 1348 states and 1585 transitions. [2020-10-28 11:58:18,075 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:58:18,076 INFO L276 IsEmpty]: Start isEmpty. Operand 1348 states and 1585 transitions. [2020-10-28 11:58:18,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-10-28 11:58:18,081 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:18,081 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:58:18,081 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 11:58:18,082 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:18,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:18,082 INFO L82 PathProgramCache]: Analyzing trace with hash 2090873852, now seen corresponding path program 1 times [2020-10-28 11:58:18,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:18,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2084489960] [2020-10-28 11:58:18,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:18,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:18,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:18,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:18,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:20,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:22,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:22,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 235 [2020-10-28 11:58:22,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 11:58:22,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4636 [2020-10-28 11:58:22,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:22,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:22,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 11:58:22,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 11:58:22,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-28 11:58:22,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:22,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:22,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:22,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:22,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:22,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:22,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:22,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 11:58:22,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:22,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:22,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:22,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:22,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 11:58:22,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:22,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:22,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:22,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:23,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:23,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-28 11:58:23,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:23,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-10-28 11:58:23,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:23,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:23,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:23,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:58:23,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-28 11:58:23,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:23,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-28 11:58:23,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:23,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:23,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:23,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 11:58:23,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:23,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-28 11:58:23,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:23,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:23,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:23,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-28 11:58:23,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:23,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:23,317 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 88 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-28 11:58:23,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2084489960] [2020-10-28 11:58:23,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:58:23,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 11:58:23,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239283784] [2020-10-28 11:58:23,319 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:58:23,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:23,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:58:23,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:58:23,322 INFO L87 Difference]: Start difference. First operand 1348 states and 1585 transitions. Second operand 7 states. [2020-10-28 11:58:24,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:24,863 INFO L93 Difference]: Finished difference Result 2853 states and 3350 transitions. [2020-10-28 11:58:24,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 11:58:24,870 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 221 [2020-10-28 11:58:24,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:24,880 INFO L225 Difference]: With dead ends: 2853 [2020-10-28 11:58:24,880 INFO L226 Difference]: Without dead ends: 1511 [2020-10-28 11:58:24,884 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-28 11:58:24,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1511 states. [2020-10-28 11:58:24,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1511 to 1495. [2020-10-28 11:58:24,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1495 states. [2020-10-28 11:58:24,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1495 states to 1495 states and 1740 transitions. [2020-10-28 11:58:24,930 INFO L78 Accepts]: Start accepts. Automaton has 1495 states and 1740 transitions. Word has length 221 [2020-10-28 11:58:24,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:24,930 INFO L481 AbstractCegarLoop]: Abstraction has 1495 states and 1740 transitions. [2020-10-28 11:58:24,930 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:58:24,930 INFO L276 IsEmpty]: Start isEmpty. Operand 1495 states and 1740 transitions. [2020-10-28 11:58:24,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-10-28 11:58:24,934 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:24,935 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:58:24,935 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 11:58:24,935 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:24,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:24,936 INFO L82 PathProgramCache]: Analyzing trace with hash -1131815848, now seen corresponding path program 1 times [2020-10-28 11:58:24,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:24,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1165320737] [2020-10-28 11:58:24,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:24,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:25,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:25,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:25,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:25,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-10-28 11:58:25,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 11:58:25,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 940 [2020-10-28 11:58:25,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:25,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:25,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 11:58:25,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-28 11:58:25,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-28 11:58:25,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:26,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:26,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:26,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:26,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:26,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:26,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:26,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 11:58:26,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:26,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:26,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:26,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:26,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:26,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:26,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:26,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:26,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:26,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:26,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 11:58:26,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:26,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-28 11:58:26,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:26,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:26,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:26,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:26,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-28 11:58:26,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:26,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 11:58:26,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:26,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:26,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:26,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:26,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-28 11:58:26,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 11:58:26,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 171 [2020-10-28 11:58:26,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:26,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:26,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:26,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:26,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-28 11:58:26,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:26,569 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 86 proven. 2 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-10-28 11:58:26,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1165320737] [2020-10-28 11:58:26,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:58:26,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 11:58:26,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697795735] [2020-10-28 11:58:26,572 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 11:58:26,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:26,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 11:58:26,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 11:58:26,573 INFO L87 Difference]: Start difference. First operand 1495 states and 1740 transitions. Second operand 5 states. [2020-10-28 11:58:28,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:28,072 INFO L93 Difference]: Finished difference Result 2843 states and 3328 transitions. [2020-10-28 11:58:28,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 11:58:28,073 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 239 [2020-10-28 11:58:28,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:28,084 INFO L225 Difference]: With dead ends: 2843 [2020-10-28 11:58:28,084 INFO L226 Difference]: Without dead ends: 1497 [2020-10-28 11:58:28,088 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 11:58:28,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1497 states. [2020-10-28 11:58:28,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1497 to 1493. [2020-10-28 11:58:28,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1493 states. [2020-10-28 11:58:28,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1493 states and 1692 transitions. [2020-10-28 11:58:28,130 INFO L78 Accepts]: Start accepts. Automaton has 1493 states and 1692 transitions. Word has length 239 [2020-10-28 11:58:28,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:28,131 INFO L481 AbstractCegarLoop]: Abstraction has 1493 states and 1692 transitions. [2020-10-28 11:58:28,131 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 11:58:28,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1493 states and 1692 transitions. [2020-10-28 11:58:28,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2020-10-28 11:58:28,161 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:28,161 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:58:28,162 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 11:58:28,162 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:28,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:28,163 INFO L82 PathProgramCache]: Analyzing trace with hash 2023106676, now seen corresponding path program 1 times [2020-10-28 11:58:28,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:28,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [21237351] [2020-10-28 11:58:28,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:28,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:28,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:28,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:29,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:30,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:30,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 358 [2020-10-28 11:58:30,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 11:58:30,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2176 [2020-10-28 11:58:30,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:30,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:30,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:30,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-28 11:58:30,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-28 11:58:30,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:30,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:30,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:30,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:30,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:30,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:30,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:30,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 11:58:30,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:30,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:30,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:30,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:30,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:30,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:30,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:30,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:30,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:30,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:30,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 11:58:30,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:30,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-28 11:58:30,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:30,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:30,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:30,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:30,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-28 11:58:30,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:30,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 11:58:30,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:30,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:30,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:30,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 11:58:30,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:30,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-28 11:58:30,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:30,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:30,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:30,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:58:30,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-28 11:58:30,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:31,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-28 11:58:31,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:31,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:31,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:31,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-28 11:58:31,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:31,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-28 11:58:31,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:31,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:31,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:31,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-28 11:58:31,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:31,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:31,359 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 210 proven. 76 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-10-28 11:58:31,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [21237351] [2020-10-28 11:58:31,360 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:58:31,360 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 11:58:31,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377639889] [2020-10-28 11:58:31,362 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 11:58:31,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:31,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 11:58:31,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-28 11:58:31,370 INFO L87 Difference]: Start difference. First operand 1493 states and 1692 transitions. Second operand 8 states. [2020-10-28 11:58:33,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:33,797 INFO L93 Difference]: Finished difference Result 3306 states and 3803 transitions. [2020-10-28 11:58:33,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 11:58:33,799 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 342 [2020-10-28 11:58:33,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:33,811 INFO L225 Difference]: With dead ends: 3306 [2020-10-28 11:58:33,811 INFO L226 Difference]: Without dead ends: 1962 [2020-10-28 11:58:33,816 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-28 11:58:33,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2020-10-28 11:58:33,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1948. [2020-10-28 11:58:33,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1948 states. [2020-10-28 11:58:33,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1948 states to 1948 states and 2189 transitions. [2020-10-28 11:58:33,876 INFO L78 Accepts]: Start accepts. Automaton has 1948 states and 2189 transitions. Word has length 342 [2020-10-28 11:58:33,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:33,876 INFO L481 AbstractCegarLoop]: Abstraction has 1948 states and 2189 transitions. [2020-10-28 11:58:33,877 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 11:58:33,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1948 states and 2189 transitions. [2020-10-28 11:58:33,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2020-10-28 11:58:33,887 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:33,887 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:58:33,888 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 11:58:33,888 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:33,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:33,888 INFO L82 PathProgramCache]: Analyzing trace with hash -607910356, now seen corresponding path program 1 times [2020-10-28 11:58:33,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:33,889 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [284819206] [2020-10-28 11:58:33,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:33,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:34,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:34,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:34,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:34,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 377 [2020-10-28 11:58:34,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 11:58:34,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 900 [2020-10-28 11:58:34,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:34,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:34,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:34,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 323 [2020-10-28 11:58:34,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-28 11:58:34,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:34,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:35,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:35,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:35,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:35,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:35,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:35,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 11:58:35,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:35,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:35,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:35,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:35,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:35,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:35,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:35,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:35,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:35,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:35,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-28 11:58:35,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:35,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 11:58:35,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:35,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:35,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:35,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:35,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:35,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:35,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-28 11:58:35,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:35,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:35,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:35,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 11:58:35,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:35,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 11:58:35,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:35,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:35,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:35,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:35,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:35,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:35,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-28 11:58:35,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:35,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:35,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:35,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-28 11:58:35,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:35,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-28 11:58:35,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:35,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:35,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:35,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:35,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-28 11:58:35,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:35,418 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 135 proven. 3 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2020-10-28 11:58:35,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [284819206] [2020-10-28 11:58:35,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:58:35,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 11:58:35,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406923119] [2020-10-28 11:58:35,419 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 11:58:35,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:35,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 11:58:35,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 11:58:35,420 INFO L87 Difference]: Start difference. First operand 1948 states and 2189 transitions. Second operand 5 states. [2020-10-28 11:58:36,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:36,972 INFO L93 Difference]: Finished difference Result 3894 states and 4415 transitions. [2020-10-28 11:58:36,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 11:58:36,974 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 361 [2020-10-28 11:58:36,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:36,983 INFO L225 Difference]: With dead ends: 3894 [2020-10-28 11:58:36,983 INFO L226 Difference]: Without dead ends: 1801 [2020-10-28 11:58:36,989 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 11:58:36,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1801 states. [2020-10-28 11:58:37,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1801 to 1795. [2020-10-28 11:58:37,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1795 states. [2020-10-28 11:58:37,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1795 states to 1795 states and 2013 transitions. [2020-10-28 11:58:37,040 INFO L78 Accepts]: Start accepts. Automaton has 1795 states and 2013 transitions. Word has length 361 [2020-10-28 11:58:37,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:37,041 INFO L481 AbstractCegarLoop]: Abstraction has 1795 states and 2013 transitions. [2020-10-28 11:58:37,041 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 11:58:37,041 INFO L276 IsEmpty]: Start isEmpty. Operand 1795 states and 2013 transitions. [2020-10-28 11:58:37,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2020-10-28 11:58:37,051 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:37,051 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:58:37,052 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 11:58:37,052 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:37,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:37,052 INFO L82 PathProgramCache]: Analyzing trace with hash -1263426872, now seen corresponding path program 1 times [2020-10-28 11:58:37,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:37,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1936311568] [2020-10-28 11:58:37,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:37,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:37,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:37,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:38,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:38,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 393 [2020-10-28 11:58:38,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 11:58:38,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1008 [2020-10-28 11:58:38,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:38,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:38,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:38,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 339 [2020-10-28 11:58:38,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-28 11:58:38,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:38,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:38,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:38,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:38,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:38,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:38,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:38,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 11:58:38,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:38,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:38,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:38,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:38,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:38,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:38,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:38,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:38,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:38,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:38,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 11:58:38,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:38,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 11:58:38,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:38,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:38,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:38,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:38,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:38,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:38,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 11:58:38,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:38,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:38,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:38,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-28 11:58:38,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:38,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 11:58:38,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:38,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:38,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:38,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:38,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:38,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:38,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-28 11:58:38,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:38,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:38,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:38,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-28 11:58:38,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:38,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-28 11:58:38,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:38,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:38,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:38,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:38,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-28 11:58:38,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:38,736 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 135 proven. 3 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2020-10-28 11:58:38,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1936311568] [2020-10-28 11:58:38,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:58:38,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 11:58:38,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257747499] [2020-10-28 11:58:38,738 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 11:58:38,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:38,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 11:58:38,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 11:58:38,739 INFO L87 Difference]: Start difference. First operand 1795 states and 2013 transitions. Second operand 5 states. [2020-10-28 11:58:40,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:40,252 INFO L93 Difference]: Finished difference Result 3444 states and 3876 transitions. [2020-10-28 11:58:40,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 11:58:40,253 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 377 [2020-10-28 11:58:40,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:40,255 INFO L225 Difference]: With dead ends: 3444 [2020-10-28 11:58:40,255 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 11:58:40,262 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 11:58:40,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 11:58:40,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 11:58:40,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 11:58:40,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 11:58:40,263 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 377 [2020-10-28 11:58:40,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:40,264 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 11:58:40,264 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 11:58:40,264 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 11:58:40,264 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 11:58:40,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 11:58:40,267 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 11:58:40,528 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 111 [2020-10-28 11:58:40,938 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 111 [2020-10-28 11:58:41,266 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 32 [2020-10-28 11:58:41,870 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 44 [2020-10-28 11:58:42,006 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 31 [2020-10-28 11:58:42,316 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 32 [2020-10-28 11:58:42,321 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-28 11:58:42,321 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-28 11:58:42,321 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-28 11:58:42,321 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-28 11:58:42,321 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 11:58:42,322 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-28 11:58:42,322 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 11:58:42,322 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-28 11:58:42,322 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-28 11:58:42,322 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-28 11:58:42,322 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-28 11:58:42,322 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-28 11:58:42,322 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-28 11:58:42,322 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-28 11:58:42,322 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-28 11:58:42,322 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-28 11:58:42,322 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-28 11:58:42,323 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-28 11:58:42,323 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-28 11:58:42,323 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-28 11:58:42,323 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,323 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,323 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,323 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,323 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,323 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,324 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-28 11:58:42,324 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-28 11:58:42,324 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-28 11:58:42,324 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-28 11:58:42,324 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-28 11:58:42,324 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-28 11:58:42,324 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-28 11:58:42,325 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-28 11:58:42,325 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-28 11:58:42,325 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-28 11:58:42,325 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-28 11:58:42,325 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,325 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,325 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,325 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,325 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,325 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-28 11:58:42,325 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-28 11:58:42,326 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-28 11:58:42,326 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-28 11:58:42,326 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-28 11:58:42,326 INFO L270 CegarLoopResult]: At program point L141(line 141) the Hoare annotation is: (let ((.cse0 (not (<= 2 |old(~a10~0)|))) (.cse1 (not (<= |old(~a10~0)| 2)))) (and (not (= 3 |old(~a10~0)|)) (or .cse0 .cse1 (not (= 7 |old(~a19~0)|))) (not (= |old(~a10~0)| 1)) (not (= 0 |old(~a10~0)|)) (not (= 4 |old(~a10~0)|)) (not (= 8 |old(~a19~0)|)) (or (not (= 9 |old(~a19~0)|)) .cse0 .cse1))) [2020-10-28 11:58:42,326 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-28 11:58:42,326 INFO L274 CegarLoopResult]: For program point L141-1(line 141) no Hoare annotation was computed. [2020-10-28 11:58:42,326 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-28 11:58:42,326 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-28 11:58:42,326 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-28 11:58:42,327 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-28 11:58:42,327 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-28 11:58:42,327 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-28 11:58:42,327 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-28 11:58:42,327 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,327 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,327 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,327 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,327 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,327 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-28 11:58:42,328 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-28 11:58:42,328 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-28 11:58:42,328 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-28 11:58:42,328 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-28 11:58:42,328 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-28 11:58:42,328 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-28 11:58:42,328 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-28 11:58:42,328 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-28 11:58:42,328 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-28 11:58:42,328 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,329 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,329 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,329 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,329 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,329 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-28 11:58:42,329 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-28 11:58:42,329 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-28 11:58:42,329 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-28 11:58:42,329 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-28 11:58:42,329 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-28 11:58:42,330 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-28 11:58:42,330 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-28 11:58:42,330 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-28 11:58:42,330 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-28 11:58:42,330 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-28 11:58:42,330 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-28 11:58:42,330 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-28 11:58:42,330 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,330 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,330 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,330 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,331 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,331 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-28 11:58:42,331 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-28 11:58:42,331 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-28 11:58:42,331 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-28 11:58:42,331 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-28 11:58:42,331 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,331 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,331 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-28 11:58:42,331 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-28 11:58:42,331 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-28 11:58:42,332 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-28 11:58:42,332 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,332 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,332 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,332 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,332 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,332 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-28 11:58:42,332 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-28 11:58:42,332 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-28 11:58:42,333 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-28 11:58:42,333 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-28 11:58:42,333 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-28 11:58:42,333 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-28 11:58:42,333 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-28 11:58:42,333 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-28 11:58:42,333 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-28 11:58:42,333 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-28 11:58:42,333 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-28 11:58:42,333 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-28 11:58:42,334 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,334 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,334 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,334 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,334 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-28 11:58:42,334 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,334 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,334 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-28 11:58:42,334 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-28 11:58:42,334 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-28 11:58:42,335 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-28 11:58:42,335 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-28 11:58:42,335 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-28 11:58:42,335 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-28 11:58:42,335 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-28 11:58:42,335 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-28 11:58:42,335 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-28 11:58:42,335 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-28 11:58:42,335 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-28 11:58:42,335 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-28 11:58:42,335 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,336 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,336 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,336 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,336 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,336 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,336 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-28 11:58:42,336 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse1 (not (<= 2 |old(~a10~0)|))) (.cse2 (not (<= |old(~a10~0)| 2))) (.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 (= 8 |old(~a19~0)|))) (or .cse0 (not (= 9 |old(~a19~0)|)) .cse1 .cse2) (or .cse0 (not (= |old(~a10~0)| 1))) (or .cse0 .cse1 .cse2 (not (= 7 |old(~a19~0)|))) (or .cse0 (not (= 0 |old(~a10~0)|))) (or (not (= 3 |old(~a10~0)|)) .cse0))) [2020-10-28 11:58:42,337 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-28 11:58:42,337 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-28 11:58:42,337 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-28 11:58:42,337 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-28 11:58:42,337 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-28 11:58:42,337 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-28 11:58:42,337 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-28 11:58:42,337 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-28 11:58:42,337 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-28 11:58:42,337 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-28 11:58:42,337 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-28 11:58:42,337 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-28 11:58:42,338 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-28 11:58:42,338 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,338 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,338 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,338 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,338 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,338 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,338 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-28 11:58:42,338 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-28 11:58:42,338 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-28 11:58:42,338 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-28 11:58:42,339 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-28 11:58:42,339 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-28 11:58:42,339 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-28 11:58:42,339 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-28 11:58:42,339 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-28 11:58:42,339 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-28 11:58:42,339 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-28 11:58:42,339 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-28 11:58:42,339 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-28 11:58:42,339 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,339 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,339 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,340 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,340 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,340 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,340 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-28 11:58:42,340 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-28 11:58:42,340 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-28 11:58:42,340 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-28 11:58:42,340 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-28 11:58:42,340 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-28 11:58:42,340 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-28 11:58:42,340 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-28 11:58:42,340 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-28 11:58:42,341 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-28 11:58:42,341 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-28 11:58:42,341 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-28 11:58:42,341 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,341 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,341 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,341 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,341 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,341 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:58:42,341 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 11:58:42,342 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a10~0 0) (= ~a19~0 9) (= 23 ~a1~0)) [2020-10-28 11:58:42,342 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 11:58:42,342 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 11:58:42,342 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)) (not (= 23 |old(~a1~0)|)) (and (= 23 ~a1~0) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) [2020-10-28 11:58:42,342 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-10-28 11:58:42,342 INFO L270 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (let ((.cse0 (<= ~a10~0 2)) (.cse1 (<= 2 ~a10~0))) (or (= ~a19~0 8) (= ~a10~0 1) (= ~a10~0 3) (= ~a10~0 0) (not (= 9 |old(~a19~0)|)) (and (= 7 ~a19~0) .cse0 .cse1) (not (= 0 |old(~a10~0)|)) (and .cse0 (= ~a19~0 9) .cse1) (not (= 23 |old(~a1~0)|)) (= ~a10~0 4))) [2020-10-28 11:58:42,342 INFO L274 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-10-28 11:58:42,342 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-28 11:58:42,343 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse0 (<= ~a10~0 2)) (.cse1 (<= 2 ~a10~0))) (or (= ~a19~0 8) (= ~a10~0 1) (= ~a10~0 3) (= ~a10~0 0) (not (= 9 |old(~a19~0)|)) (and (= 7 ~a19~0) .cse0 .cse1) (not (= 0 |old(~a10~0)|)) (and .cse0 (= ~a19~0 9) .cse1) (not (= 23 |old(~a1~0)|)) (= ~a10~0 4))) [2020-10-28 11:58:42,343 INFO L274 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-10-28 11:58:42,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:58:42 BoogieIcfgContainer [2020-10-28 11:58:42,366 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 11:58:42,368 INFO L168 Benchmark]: Toolchain (without parser) took 52498.52 ms. Allocated memory was 152.0 MB in the beginning and 876.6 MB in the end (delta: 724.6 MB). Free memory was 126.5 MB in the beginning and 826.7 MB in the end (delta: -700.2 MB). Peak memory consumption was 521.8 MB. Max. memory is 8.0 GB. [2020-10-28 11:58:42,368 INFO L168 Benchmark]: CDTParser took 0.68 ms. Allocated memory is still 152.0 MB. Free memory is still 126.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 11:58:42,369 INFO L168 Benchmark]: CACSL2BoogieTranslator took 815.81 ms. Allocated memory is still 152.0 MB. Free memory was 125.9 MB in the beginning and 99.1 MB in the end (delta: 26.8 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. [2020-10-28 11:58:42,369 INFO L168 Benchmark]: Boogie Preprocessor took 141.39 ms. Allocated memory is still 152.0 MB. Free memory was 99.1 MB in the beginning and 94.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-28 11:58:42,370 INFO L168 Benchmark]: RCFGBuilder took 1775.32 ms. Allocated memory is still 152.0 MB. Free memory was 94.4 MB in the beginning and 69.9 MB in the end (delta: 24.5 MB). Peak memory consumption was 48.7 MB. Max. memory is 8.0 GB. [2020-10-28 11:58:42,371 INFO L168 Benchmark]: TraceAbstraction took 49746.82 ms. Allocated memory was 152.0 MB in the beginning and 876.6 MB in the end (delta: 724.6 MB). Free memory was 69.9 MB in the beginning and 826.7 MB in the end (delta: -756.8 MB). Peak memory consumption was 464.8 MB. Max. memory is 8.0 GB. [2020-10-28 11:58:42,374 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68 ms. Allocated memory is still 152.0 MB. Free memory is still 126.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 815.81 ms. Allocated memory is still 152.0 MB. Free memory was 125.9 MB in the beginning and 99.1 MB in the end (delta: 26.8 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 141.39 ms. Allocated memory is still 152.0 MB. Free memory was 99.1 MB in the beginning and 94.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1775.32 ms. Allocated memory is still 152.0 MB. Free memory was 94.4 MB in the beginning and 69.9 MB in the end (delta: 24.5 MB). Peak memory consumption was 48.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 49746.82 ms. Allocated memory was 152.0 MB in the beginning and 876.6 MB in the end (delta: 724.6 MB). Free memory was 69.9 MB in the beginning and 826.7 MB in the end (delta: -756.8 MB). Peak memory consumption was 464.8 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: ((((((((a19 == 8 || a10 == 1) || a10 == 3) || a10 == 0) || !(9 == \old(a19))) || ((7 == a19 && a10 <= 2) && 2 <= a10)) || !(0 == \old(a10))) || ((a10 <= 2 && a19 == 9) && 2 <= a10)) || !(23 == \old(a1))) || a10 == 4 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 47.5s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 20.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 313 SDtfs, 4174 SDslu, 340 SDs, 0 SdLazy, 9046 SolverSat, 1056 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 172 GetRequests, 94 SyntacticMatches, 1 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1948occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 235 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 199 PreInvPairs, 231 NumberOfFragments, 361 HoareAnnotationTreeSize, 199 FomulaSimplifications, 82410 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 9 FomulaSimplificationsInter, 2843 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 24.1s InterpolantComputationTime, 2454 NumberOfCodeBlocks, 2454 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2443 ConstructedInterpolants, 0 QuantifiedInterpolants, 1561175 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 1 PerfectInterpolantSequences, 1915/2084 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...