/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label55.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 04:50:58,741 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 04:50:58,746 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 04:50:58,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 04:50:58,792 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 04:50:58,793 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 04:50:58,795 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 04:50:58,798 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 04:50:58,801 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 04:50:58,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 04:50:58,803 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 04:50:58,805 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 04:50:58,806 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 04:50:58,807 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 04:50:58,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 04:50:58,810 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 04:50:58,812 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 04:50:58,813 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 04:50:58,816 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 04:50:58,819 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 04:50:58,821 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 04:50:58,825 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 04:50:58,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 04:50:58,828 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 04:50:58,848 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 04:50:58,848 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 04:50:58,849 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 04:50:58,853 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 04:50:58,854 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 04:50:58,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 04:50:58,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 04:50:58,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 04:50:58,863 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 04:50:58,865 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 04:50:58,868 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 04:50:58,869 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 04:50:58,870 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 04:50:58,871 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 04:50:58,871 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 04:50:58,872 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 04:50:58,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 04:50:58,876 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 [2020-10-29 04:50:58,933 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 04:50:58,934 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 04:50:58,939 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 04:50:58,939 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 04:50:58,940 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 04:50:58,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 04:50:58,940 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 04:50:58,940 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 04:50:58,941 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 04:50:58,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 04:50:58,942 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 04:50:58,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 04:50:58,943 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 04:50:58,943 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 04:50:58,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 04:50:58,943 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 04:50:58,944 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 04:50:58,944 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 04:50:58,944 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 04:50:58,944 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 04:50:58,944 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 04:50:58,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 04:50:58,945 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 04:50:58,945 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 04:50:58,945 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 04:50:58,946 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 04:50:58,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 04:50:58,946 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 04:50:58,946 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 04:50:58,947 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 04:50:59,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 04:50:59,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 04:50:59,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 04:50:59,471 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 04:50:59,472 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 04:50:59,474 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label55.c [2020-10-29 04:50:59,573 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/372128a9e/567702c09931447dab59c68dcb6331ba/FLAG163c4b7f8 [2020-10-29 04:51:00,431 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 04:51:00,432 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label55.c [2020-10-29 04:51:00,459 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/372128a9e/567702c09931447dab59c68dcb6331ba/FLAG163c4b7f8 [2020-10-29 04:51:00,676 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/372128a9e/567702c09931447dab59c68dcb6331ba [2020-10-29 04:51:00,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 04:51:00,686 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 04:51:00,688 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 04:51:00,688 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 04:51:00,692 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 04:51:00,693 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:51:00" (1/1) ... [2020-10-29 04:51:00,697 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@823163c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:51:00, skipping insertion in model container [2020-10-29 04:51:00,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:51:00" (1/1) ... [2020-10-29 04:51:00,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 04:51:00,751 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 04:51:01,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 04:51:01,218 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 04:51:01,363 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 04:51:01,383 INFO L208 MainTranslator]: Completed translation [2020-10-29 04:51:01,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:51:01 WrapperNode [2020-10-29 04:51:01,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 04:51:01,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 04:51:01,385 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 04:51:01,386 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 04:51:01,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:51:01" (1/1) ... [2020-10-29 04:51:01,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:51:01" (1/1) ... [2020-10-29 04:51:01,426 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:51:01" (1/1) ... [2020-10-29 04:51:01,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:51:01" (1/1) ... [2020-10-29 04:51:01,478 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:51:01" (1/1) ... [2020-10-29 04:51:01,501 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:51:01" (1/1) ... [2020-10-29 04:51:01,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:51:01" (1/1) ... [2020-10-29 04:51:01,518 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 04:51:01,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 04:51:01,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 04:51:01,521 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 04:51:01,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:51:01" (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 [2020-10-29 04:51:01,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 04:51:01,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 04:51:01,633 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 04:51:01,634 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 04:51:01,634 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 04:51:01,635 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 04:51:01,635 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 04:51:01,635 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 04:51:01,636 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 04:51:01,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 04:51:01,637 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 04:51:01,637 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 04:51:01,637 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 04:51:01,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 04:51:01,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 04:51:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 04:51:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 04:51:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 04:51:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 04:51:03,129 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 04:51:03,129 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 04:51:03,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:51:03 BoogieIcfgContainer [2020-10-29 04:51:03,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 04:51:03,134 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 04:51:03,134 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 04:51:03,138 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 04:51:03,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:51:00" (1/3) ... [2020-10-29 04:51:03,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34a745d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:51:03, skipping insertion in model container [2020-10-29 04:51:03,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:51:01" (2/3) ... [2020-10-29 04:51:03,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34a745d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:51:03, skipping insertion in model container [2020-10-29 04:51:03,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:51:03" (3/3) ... [2020-10-29 04:51:03,142 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label55.c [2020-10-29 04:51:03,155 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 04:51:03,161 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 04:51:03,177 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 04:51:03,209 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 04:51:03,210 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 04:51:03,210 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 04:51:03,210 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 04:51:03,210 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 04:51:03,210 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 04:51:03,210 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 04:51:03,210 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 04:51:03,236 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-29 04:51:03,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-29 04:51:03,250 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:51:03,251 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:51:03,251 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:51:03,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:51:03,259 INFO L82 PathProgramCache]: Analyzing trace with hash -368636091, now seen corresponding path program 1 times [2020-10-29 04:51:03,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:51:03,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1402482590] [2020-10-29 04:51:03,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:51:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:51:03,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:03,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:05,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:51:05,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-29 04:51:05,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 04:51:05,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1774 [2020-10-29 04:51:05,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:51:05,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:51:05,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 04:51:05,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 04:51:05,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-29 04:51:05,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 04:51:05,713 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-29 04:51:05,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:51:05,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:51:05,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:05,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:51:05,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:51:05,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:51:05,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-29 04:51:05,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:51:05,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:51:05,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:51:05,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:51:05,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 04:51:05,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:51:05,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:51:05,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1402482590] [2020-10-29 04:51:05,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 04:51:05,836 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-29 04:51:05,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69398162] [2020-10-29 04:51:05,847 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 04:51:05,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:51:05,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 04:51:05,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 04:51:05,872 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 4 states. [2020-10-29 04:51:06,049 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-29 04:51:08,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:51:08,033 INFO L93 Difference]: Finished difference Result 667 states and 1119 transitions. [2020-10-29 04:51:08,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:51:08,036 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 112 [2020-10-29 04:51:08,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:51:08,051 INFO L225 Difference]: With dead ends: 667 [2020-10-29 04:51:08,052 INFO L226 Difference]: Without dead ends: 342 [2020-10-29 04:51:08,059 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:51:08,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-10-29 04:51:08,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 338. [2020-10-29 04:51:08,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2020-10-29 04:51:08,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 489 transitions. [2020-10-29 04:51:08,153 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 489 transitions. Word has length 112 [2020-10-29 04:51:08,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:51:08,155 INFO L481 AbstractCegarLoop]: Abstraction has 338 states and 489 transitions. [2020-10-29 04:51:08,155 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 04:51:08,155 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 489 transitions. [2020-10-29 04:51:08,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-29 04:51:08,162 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:51:08,162 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:51:08,163 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 04:51:08,163 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:51:08,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:51:08,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1912144249, now seen corresponding path program 1 times [2020-10-29 04:51:08,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:51:08,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [908238429] [2020-10-29 04:51:08,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:51:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:51:08,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:08,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:08,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:09,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:09,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:51:09,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 04:51:09,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 04:51:09,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1447 [2020-10-29 04:51:09,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:51:09,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:51:09,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:51:09,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-29 04:51:09,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-29 04:51:09,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 04:51:09,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:51:09,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:51:09,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:09,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:51:09,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:51:09,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:51:09,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 04:51:09,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:51:09,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:51:09,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:51:09,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:51:09,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:51:09,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-29 04:51:09,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:51:09,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:51:09,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:09,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:51:09,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:51:09,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:51:09,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 04:51:09,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:51:09,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:51:09,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:51:09,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:51:09,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 04:51:09,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:51:09,925 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:51:09,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [908238429] [2020-10-29 04:51:09,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:51:09,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:51:09,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717467029] [2020-10-29 04:51:09,928 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:51:09,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:51:09,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:51:09,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:51:09,933 INFO L87 Difference]: Start difference. First operand 338 states and 489 transitions. Second operand 5 states. [2020-10-29 04:51:10,074 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-29 04:51:11,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:51:11,629 INFO L93 Difference]: Finished difference Result 970 states and 1435 transitions. [2020-10-29 04:51:11,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:51:11,630 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2020-10-29 04:51:11,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:51:11,638 INFO L225 Difference]: With dead ends: 970 [2020-10-29 04:51:11,638 INFO L226 Difference]: Without dead ends: 638 [2020-10-29 04:51:11,640 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:51:11,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2020-10-29 04:51:11,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 634. [2020-10-29 04:51:11,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 634 states. [2020-10-29 04:51:11,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 881 transitions. [2020-10-29 04:51:11,695 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 881 transitions. Word has length 120 [2020-10-29 04:51:11,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:51:11,696 INFO L481 AbstractCegarLoop]: Abstraction has 634 states and 881 transitions. [2020-10-29 04:51:11,696 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:51:11,696 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 881 transitions. [2020-10-29 04:51:11,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-29 04:51:11,701 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:51:11,702 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:51:11,702 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 04:51:11,702 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:51:11,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:51:11,703 INFO L82 PathProgramCache]: Analyzing trace with hash 1372070870, now seen corresponding path program 1 times [2020-10-29 04:51:11,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:51:11,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1471786544] [2020-10-29 04:51:11,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:51:11,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:51:11,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:11,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:12,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:13,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:51:13,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-29 04:51:13,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:51:13,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1497 [2020-10-29 04:51:13,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:51:13,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:51:13,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:51:13,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-29 04:51:13,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-29 04:51:13,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:51:13,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:51:13,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:51:13,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:13,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:51:13,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:51:13,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:51:13,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 04:51:13,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:51:13,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:51:13,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:51:13,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:51:13,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:51:13,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:51:13,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:51:13,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:51:13,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:13,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:51:13,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 04:51:13,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:51:13,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 04:51:13,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:51:13,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:51:13,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:51:13,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:51:13,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 04:51:13,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:51:13,546 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:51:13,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1471786544] [2020-10-29 04:51:13,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:51:13,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:51:13,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629778521] [2020-10-29 04:51:13,549 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:51:13,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:51:13,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:51:13,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:51:13,555 INFO L87 Difference]: Start difference. First operand 634 states and 881 transitions. Second operand 5 states. [2020-10-29 04:51:15,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:51:15,368 INFO L93 Difference]: Finished difference Result 1850 states and 2603 transitions. [2020-10-29 04:51:15,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:51:15,370 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 134 [2020-10-29 04:51:15,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:51:15,376 INFO L225 Difference]: With dead ends: 1850 [2020-10-29 04:51:15,376 INFO L226 Difference]: Without dead ends: 630 [2020-10-29 04:51:15,380 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:51:15,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2020-10-29 04:51:15,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 626. [2020-10-29 04:51:15,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2020-10-29 04:51:15,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 840 transitions. [2020-10-29 04:51:15,414 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 840 transitions. Word has length 134 [2020-10-29 04:51:15,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:51:15,414 INFO L481 AbstractCegarLoop]: Abstraction has 626 states and 840 transitions. [2020-10-29 04:51:15,414 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:51:15,414 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 840 transitions. [2020-10-29 04:51:15,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-29 04:51:15,417 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:51:15,418 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:51:15,418 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 04:51:15,418 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:51:15,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:51:15,419 INFO L82 PathProgramCache]: Analyzing trace with hash -1801974934, now seen corresponding path program 1 times [2020-10-29 04:51:15,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:51:15,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1588334873] [2020-10-29 04:51:15,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:51:15,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:51:15,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:15,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:16,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:16,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:17,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:51:17,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-29 04:51:17,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 04:51:17,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1574 [2020-10-29 04:51:17,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:51:17,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:51:17,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:51:17,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-29 04:51:17,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-29 04:51:17,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:51:17,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:51:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:51:17,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:17,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:51:17,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:51:17,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:51:17,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 04:51:17,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:51:17,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:51:17,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:51:17,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:51:17,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:51:17,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:51:17,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:51:17,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:51:17,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:17,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:51:17,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-29 04:51:17,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:51:17,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 04:51:17,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:51:17,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:51:17,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:51:17,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:51:17,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 04:51:17,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:51:17,308 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:51:17,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1588334873] [2020-10-29 04:51:17,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:51:17,309 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:51:17,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561964751] [2020-10-29 04:51:17,309 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:51:17,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:51:17,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:51:17,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:51:17,310 INFO L87 Difference]: Start difference. First operand 626 states and 840 transitions. Second operand 5 states. [2020-10-29 04:51:18,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:51:18,929 INFO L93 Difference]: Finished difference Result 1843 states and 2546 transitions. [2020-10-29 04:51:18,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:51:18,930 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 140 [2020-10-29 04:51:18,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:51:18,939 INFO L225 Difference]: With dead ends: 1843 [2020-10-29 04:51:18,939 INFO L226 Difference]: Without dead ends: 1222 [2020-10-29 04:51:18,942 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 [2020-10-29 04:51:18,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1222 states. [2020-10-29 04:51:18,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1222 to 1213. [2020-10-29 04:51:18,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1213 states. [2020-10-29 04:51:19,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 1213 states and 1612 transitions. [2020-10-29 04:51:19,001 INFO L78 Accepts]: Start accepts. Automaton has 1213 states and 1612 transitions. Word has length 140 [2020-10-29 04:51:19,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:51:19,002 INFO L481 AbstractCegarLoop]: Abstraction has 1213 states and 1612 transitions. [2020-10-29 04:51:19,002 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:51:19,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 1612 transitions. [2020-10-29 04:51:19,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-29 04:51:19,007 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:51:19,008 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:51:19,008 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 04:51:19,008 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:51:19,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:51:19,009 INFO L82 PathProgramCache]: Analyzing trace with hash 722503545, now seen corresponding path program 1 times [2020-10-29 04:51:19,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:51:19,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1037002625] [2020-10-29 04:51:19,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:51:19,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:51:19,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:19,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:19,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:20,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:22,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:51:22,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-29 04:51:22,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 04:51:22,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3097 [2020-10-29 04:51:22,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:51:22,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:51:22,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:51:22,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-29 04:51:22,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-29 04:51:22,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:51:22,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:51:22,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:51:22,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:22,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:51:22,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:51:22,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:51:22,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 04:51:22,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:51:22,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:51:22,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:51:22,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:51:22,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:51:22,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-29 04:51:22,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:51:22,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:51:22,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:22,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:51:22,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:51:22,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:51:22,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:51:22,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:51:22,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:51:22,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:51:22,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:51:22,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:51:22,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:51:22,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 04:51:22,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:51:22,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:22,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:51:22,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-29 04:51:22,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:51:22,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-29 04:51:22,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:51:22,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:51:22,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:51:22,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:51:22,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-29 04:51:22,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:51:22,502 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-29 04:51:22,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1037002625] [2020-10-29 04:51:22,502 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:51:22,503 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:51:22,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494936282] [2020-10-29 04:51:22,504 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:51:22,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:51:22,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:51:22,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:51:22,505 INFO L87 Difference]: Start difference. First operand 1213 states and 1612 transitions. Second operand 5 states. [2020-10-29 04:51:24,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:51:24,250 INFO L93 Difference]: Finished difference Result 3450 states and 4687 transitions. [2020-10-29 04:51:24,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:51:24,251 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 153 [2020-10-29 04:51:24,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:51:24,267 INFO L225 Difference]: With dead ends: 3450 [2020-10-29 04:51:24,268 INFO L226 Difference]: Without dead ends: 2243 [2020-10-29 04:51:24,272 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:51:24,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2243 states. [2020-10-29 04:51:24,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2243 to 2233. [2020-10-29 04:51:24,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2233 states. [2020-10-29 04:51:24,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2233 states to 2233 states and 2823 transitions. [2020-10-29 04:51:24,381 INFO L78 Accepts]: Start accepts. Automaton has 2233 states and 2823 transitions. Word has length 153 [2020-10-29 04:51:24,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:51:24,381 INFO L481 AbstractCegarLoop]: Abstraction has 2233 states and 2823 transitions. [2020-10-29 04:51:24,381 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:51:24,381 INFO L276 IsEmpty]: Start isEmpty. Operand 2233 states and 2823 transitions. [2020-10-29 04:51:24,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-29 04:51:24,390 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:51:24,390 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:51:24,390 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 04:51:24,390 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:51:24,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:51:24,391 INFO L82 PathProgramCache]: Analyzing trace with hash -1282639801, now seen corresponding path program 1 times [2020-10-29 04:51:24,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:51:24,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1889295871] [2020-10-29 04:51:24,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:51:24,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:51:24,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:24,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:24,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:25,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:26,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:26,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:28,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:51:28,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-10-29 04:51:28,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 04:51:28,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4513 [2020-10-29 04:51:28,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:51:28,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:51:28,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:51:28,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-29 04:51:28,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-29 04:51:28,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:51:29,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:51:29,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:51:29,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:29,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:51:29,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:51:29,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:51:29,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 04:51:29,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:51:29,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:51:29,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:51:29,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:51:29,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:51:29,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:51:29,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:51:29,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:51:29,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:29,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:51:29,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-29 04:51:29,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:51:29,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 04:51:29,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:51:29,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:51:29,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:51:29,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:51:29,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:51:29,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:51:29,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 04:51:29,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:51:29,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:29,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:29,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:51:29,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-29 04:51:29,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 04:51:29,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-29 04:51:29,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:51:29,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:51:29,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:51:29,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:51:29,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 04:51:29,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:51:29,334 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-29 04:51:29,335 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1889295871] [2020-10-29 04:51:29,335 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:51:29,335 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 04:51:29,335 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806403150] [2020-10-29 04:51:29,336 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 04:51:29,336 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:51:29,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 04:51:29,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:51:29,337 INFO L87 Difference]: Start difference. First operand 2233 states and 2823 transitions. Second operand 6 states. [2020-10-29 04:51:29,508 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-29 04:51:31,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:51:31,806 INFO L93 Difference]: Finished difference Result 6068 states and 7948 transitions. [2020-10-29 04:51:31,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 04:51:31,806 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 161 [2020-10-29 04:51:31,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:51:31,832 INFO L225 Difference]: With dead ends: 6068 [2020-10-29 04:51:31,832 INFO L226 Difference]: Without dead ends: 3841 [2020-10-29 04:51:31,841 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-29 04:51:31,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3841 states. [2020-10-29 04:51:31,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3841 to 3545. [2020-10-29 04:51:31,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3545 states. [2020-10-29 04:51:31,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3545 states to 3545 states and 4414 transitions. [2020-10-29 04:51:31,981 INFO L78 Accepts]: Start accepts. Automaton has 3545 states and 4414 transitions. Word has length 161 [2020-10-29 04:51:31,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:51:31,981 INFO L481 AbstractCegarLoop]: Abstraction has 3545 states and 4414 transitions. [2020-10-29 04:51:31,981 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 04:51:31,981 INFO L276 IsEmpty]: Start isEmpty. Operand 3545 states and 4414 transitions. [2020-10-29 04:51:31,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-10-29 04:51:31,992 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:51:31,993 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:51:31,993 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 04:51:31,993 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:51:31,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:51:31,994 INFO L82 PathProgramCache]: Analyzing trace with hash 982938990, now seen corresponding path program 1 times [2020-10-29 04:51:31,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:51:31,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1082069437] [2020-10-29 04:51:31,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:51:32,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:51:32,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:32,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:32,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:32,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:32,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:33,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:34,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:34,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:34,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:35,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:37,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:51:37,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-10-29 04:51:37,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-29 04:51:37,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-29 04:51:37,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:51:37,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:51:37,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 04:51:37,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-29 04:51:37,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-29 04:51:37,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:51:37,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:51:37,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:51:37,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:37,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:51:37,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:51:37,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:51:37,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 04:51:37,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:51:37,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:51:37,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:51:37,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:51:37,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:51:37,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 04:51:37,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:51:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:51:37,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:37,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:51:37,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 04:51:37,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:51:37,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:51:37,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:51:37,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:51:37,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:51:37,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:51:37,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:51:37,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:51:37,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-29 04:51:37,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:51:37,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:37,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:51:37,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:51:37,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:51:37,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:51:37,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:51:37,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:51:37,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:51:37,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:51:37,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:51:37,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:51:37,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-29 04:51:37,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:51:37,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:37,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:51:37,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 04:51:37,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:51:37,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 04:51:37,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:51:37,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:51:37,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:51:37,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:51:37,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 04:51:37,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:51:37,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 04:51:37,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:51:37,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:37,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:37,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:51:37,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 04:51:37,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 04:51:37,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-29 04:51:37,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:51:37,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:51:37,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:51:37,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 04:51:37,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 04:51:37,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:51:37,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-29 04:51:37,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:51:37,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:37,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:51:37,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-29 04:51:37,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:51:37,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-29 04:51:37,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:51:37,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:51:37,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:51:37,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 04:51:37,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-29 04:51:37,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:51:37,520 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 111 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-29 04:51:37,521 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1082069437] [2020-10-29 04:51:37,521 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:51:37,521 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 04:51:37,521 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401448171] [2020-10-29 04:51:37,522 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 04:51:37,523 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:51:37,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 04:51:37,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-29 04:51:37,524 INFO L87 Difference]: Start difference. First operand 3545 states and 4414 transitions. Second operand 8 states. [2020-10-29 04:51:39,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:51:39,516 INFO L93 Difference]: Finished difference Result 7364 states and 9472 transitions. [2020-10-29 04:51:39,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 04:51:39,517 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 188 [2020-10-29 04:51:39,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:51:39,548 INFO L225 Difference]: With dead ends: 7364 [2020-10-29 04:51:39,548 INFO L226 Difference]: Without dead ends: 3825 [2020-10-29 04:51:39,560 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2020-10-29 04:51:39,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3825 states. [2020-10-29 04:51:39,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3825 to 3291. [2020-10-29 04:51:39,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3291 states. [2020-10-29 04:51:39,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3291 states to 3291 states and 4095 transitions. [2020-10-29 04:51:39,698 INFO L78 Accepts]: Start accepts. Automaton has 3291 states and 4095 transitions. Word has length 188 [2020-10-29 04:51:39,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:51:39,698 INFO L481 AbstractCegarLoop]: Abstraction has 3291 states and 4095 transitions. [2020-10-29 04:51:39,698 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 04:51:39,698 INFO L276 IsEmpty]: Start isEmpty. Operand 3291 states and 4095 transitions. [2020-10-29 04:51:39,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-10-29 04:51:39,709 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:51:39,710 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:51:39,710 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 04:51:39,710 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:51:39,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:51:39,711 INFO L82 PathProgramCache]: Analyzing trace with hash -284572006, now seen corresponding path program 1 times [2020-10-29 04:51:39,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:51:39,711 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1858713811] [2020-10-29 04:51:39,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:51:39,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:51:39,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:39,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:39,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:40,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:40,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:40,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:44,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:51:44,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 214 [2020-10-29 04:51:44,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 04:51:44,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 04:51:44,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:51:44,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:51:44,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 04:51:44,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-10-29 04:51:44,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 04:51:44,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:51:45,361 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2020-10-29 04:51:45,535 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 46 [2020-10-29 04:51:45,753 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 43 [2020-10-29 04:51:45,966 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 39 [2020-10-29 04:51:46,150 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 35 [2020-10-29 04:51:46,322 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 30 [2020-10-29 04:51:46,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:51:46,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:51:46,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:46,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:51:46,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:51:46,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:51:46,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 04:51:46,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:51:46,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:51:46,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:51:46,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:51:46,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:51:46,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:51:46,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:51:46,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:51:46,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:46,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:51:46,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 04:51:46,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:51:46,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:51:46,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:51:46,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:51:46,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:51:46,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:51:46,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:51:46,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:51:46,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-29 04:51:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:51:46,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:46,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:51:46,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:51:46,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:51:46,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:51:46,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:51:46,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:51:46,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:51:46,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:51:46,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:51:46,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:51:46,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-29 04:51:46,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:51:46,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:46,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:51:46,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 04:51:46,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:51:46,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 04:51:46,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:51:46,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:51:46,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:51:46,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:51:46,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:51:46,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:51:46,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-29 04:51:46,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:51:46,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:46,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:51:46,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 04:51:46,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:51:46,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:51:46,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:51:46,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:51:46,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:51:46,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:51:46,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:51:46,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:51:46,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-29 04:51:46,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:51:46,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:51:46,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:51:46,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-29 04:51:46,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:51:46,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-29 04:51:46,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:51:46,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:51:46,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:51:46,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:51:46,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-29 04:51:46,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:51:46,815 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 74 proven. 5 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-10-29 04:51:46,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1858713811] [2020-10-29 04:51:46,816 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:51:46,816 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-29 04:51:46,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891802919] [2020-10-29 04:51:46,817 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 04:51:46,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:51:46,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 04:51:46,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-29 04:51:46,818 INFO L87 Difference]: Start difference. First operand 3291 states and 4095 transitions. Second operand 12 states. [2020-10-29 04:51:47,440 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-29 04:51:47,674 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-29 04:51:48,388 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 132 [2020-10-29 04:51:48,950 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 129 [2020-10-29 04:51:49,673 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 126 [2020-10-29 04:51:50,163 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 121 [2020-10-29 04:51:50,821 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-29 04:51:51,033 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-29 04:51:51,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:51:51,062 INFO L93 Difference]: Finished difference Result 6592 states and 8278 transitions. [2020-10-29 04:51:51,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-29 04:51:51,063 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 194 [2020-10-29 04:51:51,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:51:51,064 INFO L225 Difference]: With dead ends: 6592 [2020-10-29 04:51:51,064 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 04:51:51,079 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2020-10-29 04:51:51,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 04:51:51,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 04:51:51,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 04:51:51,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 04:51:51,080 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 194 [2020-10-29 04:51:51,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:51:51,081 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 04:51:51,081 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 04:51:51,081 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 04:51:51,081 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 04:51:51,081 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 04:51:51,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 04:51:51,893 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 126 [2020-10-29 04:51:52,313 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 147 [2020-10-29 04:51:53,564 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 228 DAG size of output: 107 [2020-10-29 04:51:54,007 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 57 [2020-10-29 04:51:54,268 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 80 [2020-10-29 04:51:54,667 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 78 [2020-10-29 04:51:54,671 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 04:51:54,672 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 04:51:54,672 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 04:51:54,672 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 04:51:54,672 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 04:51:54,672 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|)) [2020-10-29 04:51:54,673 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 04:51:54,673 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-29 04:51:54,673 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-29 04:51:54,673 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-29 04:51:54,673 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-29 04:51:54,674 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-29 04:51:54,674 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-29 04:51:54,674 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-29 04:51:54,674 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-29 04:51:54,674 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-29 04:51:54,674 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-29 04:51:54,675 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-29 04:51:54,675 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-29 04:51:54,675 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-29 04:51:54,675 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-29 04:51:54,675 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-29 04:51:54,675 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,675 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,676 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,676 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,676 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,676 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-29 04:51:54,676 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-29 04:51:54,676 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-29 04:51:54,678 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-29 04:51:54,678 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-29 04:51:54,679 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-29 04:51:54,679 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-29 04:51:54,679 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-29 04:51:54,679 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-29 04:51:54,679 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-29 04:51:54,679 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-29 04:51:54,679 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-29 04:51:54,680 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-29 04:51:54,680 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,680 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,680 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,681 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,682 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-29 04:51:54,682 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,682 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-29 04:51:54,682 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-29 04:51:54,682 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-29 04:51:54,682 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-29 04:51:54,682 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-29 04:51:54,682 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-29 04:51:54,682 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-29 04:51:54,683 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-29 04:51:54,683 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-29 04:51:54,683 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-29 04:51:54,683 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-29 04:51:54,683 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-29 04:51:54,683 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-29 04:51:54,683 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-29 04:51:54,683 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-29 04:51:54,685 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,685 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,685 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,685 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,685 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,685 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-29 04:51:54,686 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-29 04:51:54,686 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-29 04:51:54,686 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-29 04:51:54,686 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-29 04:51:54,686 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-29 04:51:54,687 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-29 04:51:54,687 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-29 04:51:54,687 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-29 04:51:54,687 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-29 04:51:54,687 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-29 04:51:54,687 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,687 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,687 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,687 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,687 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,688 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-29 04:51:54,688 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-29 04:51:54,688 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-29 04:51:54,688 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-29 04:51:54,689 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-29 04:51:54,689 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-29 04:51:54,689 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-29 04:51:54,689 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-29 04:51:54,689 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-29 04:51:54,690 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-29 04:51:54,690 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-29 04:51:54,690 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-29 04:51:54,690 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-29 04:51:54,690 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,690 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,690 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,690 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,690 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,691 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-29 04:51:54,691 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-29 04:51:54,691 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-29 04:51:54,691 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-29 04:51:54,691 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-29 04:51:54,691 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-29 04:51:54,692 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-29 04:51:54,692 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-29 04:51:54,692 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-29 04:51:54,692 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,692 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,692 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-29 04:51:54,692 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-29 04:51:54,693 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-29 04:51:54,693 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-29 04:51:54,693 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-29 04:51:54,693 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-29 04:51:54,693 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-29 04:51:54,693 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,693 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,693 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,693 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,693 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-29 04:51:54,694 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,694 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-29 04:51:54,694 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,695 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-29 04:51:54,695 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-29 04:51:54,695 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-29 04:51:54,695 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-29 04:51:54,695 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-29 04:51:54,695 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-29 04:51:54,695 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-29 04:51:54,695 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-29 04:51:54,695 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-29 04:51:54,695 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-29 04:51:54,696 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-29 04:51:54,696 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-29 04:51:54,696 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-29 04:51:54,696 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-29 04:51:54,696 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,696 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,696 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,696 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,696 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,696 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,697 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-29 04:51:54,697 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-29 04:51:54,697 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-29 04:51:54,697 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-29 04:51:54,697 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-29 04:51:54,697 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-29 04:51:54,697 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-29 04:51:54,697 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-29 04:51:54,697 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-29 04:51:54,697 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-29 04:51:54,697 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-29 04:51:54,698 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,698 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,698 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,698 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,698 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,698 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,698 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-29 04:51:54,698 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-29 04:51:54,698 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-29 04:51:54,699 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-29 04:51:54,699 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-29 04:51:54,699 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-29 04:51:54,699 INFO L270 CegarLoopResult]: At program point L489(line 489) the Hoare annotation is: (and (not (<= |old(~a28~0)| 7)) (or (not (<= |old(~a25~0)| 1)) (not (<= |old(~a17~0)| 8)) (not (<= |old(~a28~0)| 10)) (not (= ~a21~0 1)) (and (or (not (<= |calculate_output_#in~input| 5)) (not (<= 5 |calculate_output_#in~input|))) (or (not (<= 4 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 4))) (or (not (<= |calculate_output_#in~input| 3)) (not (<= 3 |calculate_output_#in~input|))) (or (not (<= |calculate_output_#in~input| 6)) (not (<= 6 |calculate_output_#in~input|))) (or (not (<= 1 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 1)))) (and (not (<= 2 |old(~a11~0)|)) (not (<= |old(~a11~0)| 0))) (not (< 7 |old(~a17~0)|)) (not (<= |old(~a19~0)| 0)) (not (< 9 |old(~a28~0)|)) (not (< 0 |old(~a25~0)|))) (not (= 7 |old(~a17~0)|)) (not (= |old(~a19~0)| 1)) (not (= 0 |old(~a11~0)|)) (or (= 10 |old(~a28~0)|) (= |old(~a25~0)| 1)) (not (= 9 |old(~a28~0)|))) [2020-10-29 04:51:54,700 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse5 (= ~a28~0 |old(~a28~0)|)) (.cse1 (= ~a17~0 |old(~a17~0)|)) (.cse2 (= ~a11~0 |old(~a11~0)|)) (.cse3 (= ~a25~0 |old(~a25~0)|)) (.cse4 (= ~a19~0 |old(~a19~0)|))) (let ((.cse0 (and .cse5 .cse1 .cse2 .cse3 .cse4))) (and (or .cse0 (not (= 0 |old(~a11~0)|))) (or (and .cse1 .cse2 .cse3 (= ~a28~0 9) .cse4) (not (= 9 |old(~a28~0)|))) (or .cse0 (= 10 |old(~a28~0)|) (= |old(~a25~0)| 1)) (or (not (= |old(~a19~0)| 1)) (and .cse5 .cse1 .cse2 (= ~a19~0 1) .cse3)) (or (not (<= |old(~a28~0)| 7)) .cse0) (or (not (<= |old(~a25~0)| 1)) (not (<= |old(~a17~0)| 8)) (and .cse2 (< 9 ~a28~0) (<= ~a17~0 8) (<= ~a25~0 1) (< 7 ~a17~0) (<= ~a28~0 10) .cse4 (< 0 ~a25~0)) (not (<= |old(~a28~0)| 10)) (not (= ~a21~0 1)) (and (or (not (<= |calculate_output_#in~input| 5)) (not (<= 5 |calculate_output_#in~input|))) (or (not (<= 4 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 4))) (or (not (<= |calculate_output_#in~input| 3)) (not (<= 3 |calculate_output_#in~input|))) (or (not (<= |calculate_output_#in~input| 6)) (not (<= 6 |calculate_output_#in~input|))) (or (not (<= 1 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 1)))) (and (not (<= 2 |old(~a11~0)|)) (not (<= |old(~a11~0)| 0))) (not (< 7 |old(~a17~0)|)) (not (<= |old(~a19~0)| 0)) (not (< 9 |old(~a28~0)|)) (not (< 0 |old(~a25~0)|))) (or (not (= 7 |old(~a17~0)|)) .cse0)))) [2020-10-29 04:51:54,700 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-29 04:51:54,700 INFO L274 CegarLoopResult]: For program point L489-1(line 489) no Hoare annotation was computed. [2020-10-29 04:51:54,700 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-29 04:51:54,700 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-29 04:51:54,700 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-29 04:51:54,700 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-29 04:51:54,700 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-29 04:51:54,700 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-29 04:51:54,701 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,701 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,701 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,701 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,701 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,701 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,701 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-29 04:51:54,702 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-29 04:51:54,702 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-29 04:51:54,702 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-29 04:51:54,702 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-29 04:51:54,702 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-29 04:51:54,702 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-29 04:51:54,702 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-29 04:51:54,702 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-29 04:51:54,702 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-29 04:51:54,702 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-29 04:51:54,703 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-29 04:51:54,703 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-29 04:51:54,703 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,703 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,703 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,703 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,703 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,703 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,703 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-29 04:51:54,703 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-29 04:51:54,703 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-29 04:51:54,704 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-29 04:51:54,704 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-29 04:51:54,704 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-29 04:51:54,704 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-29 04:51:54,704 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-29 04:51:54,704 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-29 04:51:54,704 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-29 04:51:54,704 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-29 04:51:54,704 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-29 04:51:54,704 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-29 04:51:54,704 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-29 04:51:54,704 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-29 04:51:54,705 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-29 04:51:54,705 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,705 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,705 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,705 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,705 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:51:54,705 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-29 04:51:54,705 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-29 04:51:54,705 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-29 04:51:54,705 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-29 04:51:54,705 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 04:51:54,706 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 1) (= ~a11~0 0) (<= ~a28~0 7) (not (= ~a25~0 1))) [2020-10-29 04:51:54,706 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 04:51:54,706 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 04:51:54,706 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse0 (= ~a19~0 1)) (.cse2 (= ~a11~0 0)) (.cse1 (<= |old(~a17~0)| 8))) (or (and .cse0 .cse1) (not (<= |old(~a28~0)| 7)) (= 7 ~a17~0) (and (or (<= ~a11~0 0) (< 1 ~a11~0)) (<= ~a19~0 0) (<= 10 ~a28~0) (= ~a21~0 1) (<= 1 ~a25~0) (<= 8 ~a17~0) (<= ~a17~0 8) (<= ~a25~0 1) (<= ~a28~0 10) .cse1) (not (= |old(~a19~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) .cse0 (= ~a25~0 |old(~a25~0)|) .cse2) (and (<= ~a28~0 7) .cse1) (not (= 0 |old(~a11~0)|)) (and (= ~a28~0 9) .cse1) (= |old(~a25~0)| 1) (and .cse2 .cse1) (and (not (= ~a28~0 10)) .cse1 (not (= ~a25~0 1))))) [2020-10-29 04:51:54,706 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (not (= 0 |old(~a11~0)|)) (= |old(~a25~0)| 1) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|))) [2020-10-29 04:51:54,706 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-29 04:51:54,706 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-29 04:51:54,707 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse0 (= ~a19~0 1)) (.cse2 (= ~a11~0 0)) (.cse1 (<= |old(~a17~0)| 8))) (or (and .cse0 .cse1) (not (<= |old(~a28~0)| 7)) (= 7 ~a17~0) (not (= |old(~a19~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) .cse0 (= ~a25~0 |old(~a25~0)|) .cse2) (and (<= ~a28~0 7) .cse1) (not (= 0 |old(~a11~0)|)) (and (= ~a28~0 9) .cse1) (= |old(~a25~0)| 1) (and .cse2 .cse1) (and (or (<= ~a11~0 0) (< 1 ~a11~0)) (<= ~a19~0 0) (<= 10 ~a28~0) (= ~a21~0 1) (<= 1 ~a25~0) (<= 8 ~a17~0) (or (and (<= 4 main_~input~0) (<= main_~input~0 4)) (and (<= 6 main_~input~0) (<= main_~input~0 6)) (and (<= main_~input~0 3) (<= 3 main_~input~0)) (and (<= main_~input~0 1) (<= 1 main_~input~0)) (and (<= main_~input~0 5) (<= 5 main_~input~0))) (<= ~a17~0 8) (<= ~a25~0 1) (<= ~a28~0 10) .cse1) (and (not (= ~a28~0 10)) .cse1 (not (= ~a25~0 1))))) [2020-10-29 04:51:54,707 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-29 04:51:54,707 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-29 04:51:54,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 04:51:54 BoogieIcfgContainer [2020-10-29 04:51:54,751 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 04:51:54,755 INFO L168 Benchmark]: Toolchain (without parser) took 54073.31 ms. Allocated memory was 151.0 MB in the beginning and 848.3 MB in the end (delta: 697.3 MB). Free memory was 124.4 MB in the beginning and 326.1 MB in the end (delta: -201.7 MB). Peak memory consumption was 506.9 MB. Max. memory is 8.0 GB. [2020-10-29 04:51:54,755 INFO L168 Benchmark]: CDTParser took 1.78 ms. Allocated memory is still 151.0 MB. Free memory is still 123.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 04:51:54,756 INFO L168 Benchmark]: CACSL2BoogieTranslator took 696.41 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 129.4 MB in the end (delta: -5.5 MB). Peak memory consumption was 28.8 MB. Max. memory is 8.0 GB. [2020-10-29 04:51:54,757 INFO L168 Benchmark]: Boogie Preprocessor took 133.17 ms. Allocated memory is still 151.0 MB. Free memory was 129.4 MB in the beginning and 124.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-29 04:51:54,758 INFO L168 Benchmark]: RCFGBuilder took 1611.83 ms. Allocated memory is still 151.0 MB. Free memory was 124.7 MB in the beginning and 103.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 81.8 MB. Max. memory is 8.0 GB. [2020-10-29 04:51:54,764 INFO L168 Benchmark]: TraceAbstraction took 51618.95 ms. Allocated memory was 151.0 MB in the beginning and 848.3 MB in the end (delta: 697.3 MB). Free memory was 102.7 MB in the beginning and 326.1 MB in the end (delta: -223.5 MB). Peak memory consumption was 484.3 MB. Max. memory is 8.0 GB. [2020-10-29 04:51:54,769 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.78 ms. Allocated memory is still 151.0 MB. Free memory is still 123.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 696.41 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 129.4 MB in the end (delta: -5.5 MB). Peak memory consumption was 28.8 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 133.17 ms. Allocated memory is still 151.0 MB. Free memory was 129.4 MB in the beginning and 124.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1611.83 ms. Allocated memory is still 151.0 MB. Free memory was 124.7 MB in the beginning and 103.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 81.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 51618.95 ms. Allocated memory was 151.0 MB in the beginning and 848.3 MB in the end (delta: 697.3 MB). Free memory was 102.7 MB in the beginning and 326.1 MB in the end (delta: -223.5 MB). Peak memory consumption was 484.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: (((((((((((a19 == 1 && \old(a17) <= 8) || !(\old(a28) <= 7)) || 7 == a17) || ((((((((((a11 <= 0 || 1 < a11) && a19 <= 0) && 10 <= a28) && a21 == 1) && 1 <= a25) && 8 <= a17) && a17 <= 8) && a25 <= 1) && a28 <= 10) && \old(a17) <= 8)) || !(\old(a19) == 1)) || ((((a28 == \old(a28) && a17 == \old(a17)) && a19 == 1) && a25 == \old(a25)) && a11 == 0)) || (a28 <= 7 && \old(a17) <= 8)) || !(0 == \old(a11))) || (a28 == 9 && \old(a17) <= 8)) || \old(a25) == 1) || (a11 == 0 && \old(a17) <= 8)) || ((!(a28 == 10) && \old(a17) <= 8) && !(a25 == 1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 47.8s, OverallIterations: 8, TraceHistogramMax: 6, AutomataDifference: 17.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 294 SDtfs, 3089 SDslu, 326 SDs, 0 SdLazy, 6286 SolverSat, 867 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 132 GetRequests, 75 SyntacticMatches, 3 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3545occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 8 MinimizatonAttempts, 861 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 230 PreInvPairs, 288 NumberOfFragments, 744 HoareAnnotationTreeSize, 230 FomulaSimplifications, 120303 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 9 FomulaSimplificationsInter, 3656 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 28.0s InterpolantComputationTime, 1202 NumberOfCodeBlocks, 1202 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1194 ConstructedInterpolants, 0 QuantifiedInterpolants, 1162366 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 449/473 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...