/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=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label18.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 17:26:58,702 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 17:26:58,704 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 17:26:58,749 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 17:26:58,750 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 17:26:58,756 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 17:26:58,759 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 17:26:58,763 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 17:26:58,767 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 17:26:58,773 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 17:26:58,775 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 17:26:58,776 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 17:26:58,777 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 17:26:58,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 17:26:58,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 17:26:58,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 17:26:58,786 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 17:26:58,789 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 17:26:58,795 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 17:26:58,803 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 17:26:58,804 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 17:26:58,806 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 17:26:58,807 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 17:26:58,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 17:26:58,818 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 17:26:58,818 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 17:26:58,818 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 17:26:58,820 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 17:26:58,821 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 17:26:58,822 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 17:26:58,822 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 17:26:58,823 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 17:26:58,825 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 17:26:58,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 17:26:58,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 17:26:58,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 17:26:58,827 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 17:26:58,828 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 17:26:58,828 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 17:26:58,829 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 17:26:58,829 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 17:26:58,837 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 [2020-10-27 17:26:58,888 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 17:26:58,888 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 17:26:58,892 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 17:26:58,893 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 17:26:58,893 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 17:26:58,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 17:26:58,893 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 17:26:58,893 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 17:26:58,894 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 17:26:58,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 17:26:58,894 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 17:26:58,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 17:26:58,894 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 17:26:58,894 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 17:26:58,895 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 17:26:58,895 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 17:26:58,895 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 17:26:58,898 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 17:26:58,898 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 17:26:58,899 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 17:26:58,899 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 17:26:58,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 17:26:58,899 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 17:26:58,899 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 17:26:58,900 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 17:26:58,900 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 17:26:58,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 17:26:58,900 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 17:26:58,900 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 17:26:58,901 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 17:26:59,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 17:26:59,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 17:26:59,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 17:26:59,363 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 17:26:59,363 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 17:26:59,364 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label18.c [2020-10-27 17:26:59,450 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0030f3012/c3ff15df868f44d9a9cfd7e858011a96/FLAGb243d1999 [2020-10-27 17:27:00,189 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 17:27:00,190 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label18.c [2020-10-27 17:27:00,205 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0030f3012/c3ff15df868f44d9a9cfd7e858011a96/FLAGb243d1999 [2020-10-27 17:27:00,412 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0030f3012/c3ff15df868f44d9a9cfd7e858011a96 [2020-10-27 17:27:00,415 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 17:27:00,421 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 17:27:00,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 17:27:00,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 17:27:00,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 17:27:00,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:27:00" (1/1) ... [2020-10-27 17:27:00,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ddce888 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:27:00, skipping insertion in model container [2020-10-27 17:27:00,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:27:00" (1/1) ... [2020-10-27 17:27:00,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 17:27:00,486 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 17:27:00,879 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 17:27:00,889 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 17:27:01,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 17:27:01,123 INFO L208 MainTranslator]: Completed translation [2020-10-27 17:27:01,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:27:01 WrapperNode [2020-10-27 17:27:01,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 17:27:01,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 17:27:01,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 17:27:01,129 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 17:27:01,143 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:27:01" (1/1) ... [2020-10-27 17:27:01,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:27:01" (1/1) ... [2020-10-27 17:27:01,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:27:01" (1/1) ... [2020-10-27 17:27:01,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:27:01" (1/1) ... [2020-10-27 17:27:01,227 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:27:01" (1/1) ... [2020-10-27 17:27:01,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:27:01" (1/1) ... [2020-10-27 17:27:01,267 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:27:01" (1/1) ... [2020-10-27 17:27:01,277 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 17:27:01,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 17:27:01,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 17:27:01,279 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 17:27:01,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:27:01" (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 [2020-10-27 17:27:01,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 17:27:01,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 17:27:01,361 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 17:27:01,361 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 17:27:01,362 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 17:27:01,363 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 17:27:01,363 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 17:27:01,363 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 17:27:01,363 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 17:27:01,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 17:27:01,365 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 17:27:01,365 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 17:27:01,365 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 17:27:01,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 17:27:01,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 17:27:01,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 17:27:01,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 17:27:01,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 17:27:01,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 17:27:02,796 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 17:27:02,797 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 17:27:02,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:27:02 BoogieIcfgContainer [2020-10-27 17:27:02,799 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 17:27:02,801 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 17:27:02,801 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 17:27:02,804 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 17:27:02,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 05:27:00" (1/3) ... [2020-10-27 17:27:02,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55413a43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:27:02, skipping insertion in model container [2020-10-27 17:27:02,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:27:01" (2/3) ... [2020-10-27 17:27:02,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55413a43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:27:02, skipping insertion in model container [2020-10-27 17:27:02,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:27:02" (3/3) ... [2020-10-27 17:27:02,808 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label18.c [2020-10-27 17:27:02,817 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 17:27:02,822 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 17:27:02,832 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 17:27:02,860 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 17:27:02,860 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 17:27:02,861 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 17:27:02,861 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 17:27:02,861 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 17:27:02,861 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 17:27:02,861 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 17:27:02,861 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 17:27:02,883 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-27 17:27:02,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-27 17:27:02,893 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:27:02,894 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] [2020-10-27 17:27:02,894 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:27:02,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:27:02,901 INFO L82 PathProgramCache]: Analyzing trace with hash -1630709662, now seen corresponding path program 1 times [2020-10-27 17:27:02,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:27:02,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [858126631] [2020-10-27 17:27:02,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:27:03,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:03,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:03,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:03,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 17:27:03,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:27:03,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 520 [2020-10-27 17:27:03,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:03,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 17:27:03,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 17:27:03,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-27 17:27:03,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 17:27:03,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:27:03,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:03,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:03,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:03,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:27:03,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:27:03,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-27 17:27:03,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:03,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:27:03,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:27:03,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 17:27:03,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:27:03,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:27:03,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [858126631] [2020-10-27 17:27:03,903 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 17:27:03,903 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-27 17:27:03,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386147858] [2020-10-27 17:27:03,912 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 17:27:03,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:27:03,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 17:27:03,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 17:27:03,935 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 4 states. [2020-10-27 17:27:05,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:27:05,751 INFO L93 Difference]: Finished difference Result 586 states and 1012 transitions. [2020-10-27 17:27:05,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:27:05,753 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 65 [2020-10-27 17:27:05,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:27:05,769 INFO L225 Difference]: With dead ends: 586 [2020-10-27 17:27:05,769 INFO L226 Difference]: Without dead ends: 303 [2020-10-27 17:27:05,777 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:27:05,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-27 17:27:05,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 299. [2020-10-27 17:27:05,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-10-27 17:27:05,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 396 transitions. [2020-10-27 17:27:05,852 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 396 transitions. Word has length 65 [2020-10-27 17:27:05,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:27:05,853 INFO L481 AbstractCegarLoop]: Abstraction has 299 states and 396 transitions. [2020-10-27 17:27:05,853 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 17:27:05,853 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 396 transitions. [2020-10-27 17:27:05,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-27 17:27:05,860 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:27:05,860 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:27:05,860 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 17:27:05,861 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:27:05,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:27:05,862 INFO L82 PathProgramCache]: Analyzing trace with hash 399081023, now seen corresponding path program 1 times [2020-10-27 17:27:05,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:27:05,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [882739452] [2020-10-27 17:27:05,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:27:05,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:05,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:06,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:06,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:06,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-27 17:27:06,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:27:06,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 822 [2020-10-27 17:27:06,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:06,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:27:06,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-27 17:27:06,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 17:27:06,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:27:06,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:27:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:06,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:06,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:06,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:27:06,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:27:06,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 17:27:06,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:06,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:27:06,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:27:06,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:27:06,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:27:06,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:27:06,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:06,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:07,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:07,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-27 17:27:07,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:27:07,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-27 17:27:07,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:07,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:27:07,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:27:07,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-27 17:27:07,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:27:07,087 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 56 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:27:07,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [882739452] [2020-10-27 17:27:07,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:27:07,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:27:07,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612548999] [2020-10-27 17:27:07,090 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:27:07,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:27:07,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:27:07,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:27:07,093 INFO L87 Difference]: Start difference. First operand 299 states and 396 transitions. Second operand 5 states. [2020-10-27 17:27:08,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:27:08,765 INFO L93 Difference]: Finished difference Result 741 states and 1021 transitions. [2020-10-27 17:27:08,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:27:08,765 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 135 [2020-10-27 17:27:08,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:27:08,778 INFO L225 Difference]: With dead ends: 741 [2020-10-27 17:27:08,779 INFO L226 Difference]: Without dead ends: 448 [2020-10-27 17:27:08,780 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 [2020-10-27 17:27:08,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2020-10-27 17:27:08,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 444. [2020-10-27 17:27:08,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states. [2020-10-27 17:27:08,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 554 transitions. [2020-10-27 17:27:08,829 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 554 transitions. Word has length 135 [2020-10-27 17:27:08,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:27:08,830 INFO L481 AbstractCegarLoop]: Abstraction has 444 states and 554 transitions. [2020-10-27 17:27:08,831 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:27:08,831 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 554 transitions. [2020-10-27 17:27:08,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-10-27 17:27:08,834 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:27:08,835 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:27:08,835 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 17:27:08,835 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:27:08,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:27:08,836 INFO L82 PathProgramCache]: Analyzing trace with hash 2073574617, now seen corresponding path program 1 times [2020-10-27 17:27:08,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:27:08,837 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [596247727] [2020-10-27 17:27:08,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:27:08,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:08,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:09,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:09,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:09,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:09,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-27 17:27:09,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:27:09,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1119 [2020-10-27 17:27:09,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:09,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:27:09,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-27 17:27:09,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 17:27:09,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:27:10,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:27:10,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:10,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:10,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:10,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:27:10,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:27:10,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 17:27:10,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:10,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:27:10,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:27:10,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:27:10,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:27:10,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:27:10,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:10,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:10,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:10,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-27 17:27:10,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:27:10,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-27 17:27:10,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:10,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:27:10,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:27:10,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-27 17:27:10,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:27:10,333 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 56 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:27:10,334 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [596247727] [2020-10-27 17:27:10,334 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:27:10,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:27:10,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519518104] [2020-10-27 17:27:10,336 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:27:10,336 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:27:10,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:27:10,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:27:10,337 INFO L87 Difference]: Start difference. First operand 444 states and 554 transitions. Second operand 5 states. [2020-10-27 17:27:11,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:27:11,844 INFO L93 Difference]: Finished difference Result 1031 states and 1341 transitions. [2020-10-27 17:27:11,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:27:11,845 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 142 [2020-10-27 17:27:11,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:27:11,852 INFO L225 Difference]: With dead ends: 1031 [2020-10-27 17:27:11,852 INFO L226 Difference]: Without dead ends: 593 [2020-10-27 17:27:11,853 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 [2020-10-27 17:27:11,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2020-10-27 17:27:11,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 589. [2020-10-27 17:27:11,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 589 states. [2020-10-27 17:27:11,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 770 transitions. [2020-10-27 17:27:11,880 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 770 transitions. Word has length 142 [2020-10-27 17:27:11,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:27:11,881 INFO L481 AbstractCegarLoop]: Abstraction has 589 states and 770 transitions. [2020-10-27 17:27:11,881 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:27:11,881 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 770 transitions. [2020-10-27 17:27:11,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-27 17:27:11,885 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:27:11,885 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:27:11,886 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 17:27:11,886 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:27:11,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:27:11,887 INFO L82 PathProgramCache]: Analyzing trace with hash 8657837, now seen corresponding path program 1 times [2020-10-27 17:27:11,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:27:11,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1095992548] [2020-10-27 17:27:11,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:27:11,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:11,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:12,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:12,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:13,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:13,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-27 17:27:13,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:27:13,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1184 [2020-10-27 17:27:13,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:13,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:27:13,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-27 17:27:13,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 17:27:13,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-27 17:27:13,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:27:13,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:13,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:13,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:13,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:27:13,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:27:13,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:27:13,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:13,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:27:13,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:27:13,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:27:13,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:27:13,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:27:13,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:13,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:13,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:13,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-27 17:27:13,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:27:13,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-27 17:27:13,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:13,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:27:13,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:27:13,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-27 17:27:13,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:27:13,442 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 56 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:27:13,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1095992548] [2020-10-27 17:27:13,443 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:27:13,443 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:27:13,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371185842] [2020-10-27 17:27:13,444 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:27:13,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:27:13,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:27:13,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:27:13,445 INFO L87 Difference]: Start difference. First operand 589 states and 770 transitions. Second operand 5 states. [2020-10-27 17:27:14,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:27:14,918 INFO L93 Difference]: Finished difference Result 1176 states and 1572 transitions. [2020-10-27 17:27:14,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:27:14,919 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 152 [2020-10-27 17:27:14,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:27:14,928 INFO L225 Difference]: With dead ends: 1176 [2020-10-27 17:27:14,928 INFO L226 Difference]: Without dead ends: 1173 [2020-10-27 17:27:14,929 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 [2020-10-27 17:27:14,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1173 states. [2020-10-27 17:27:14,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1173 to 881. [2020-10-27 17:27:14,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 881 states. [2020-10-27 17:27:14,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1224 transitions. [2020-10-27 17:27:14,973 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1224 transitions. Word has length 152 [2020-10-27 17:27:14,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:27:14,974 INFO L481 AbstractCegarLoop]: Abstraction has 881 states and 1224 transitions. [2020-10-27 17:27:14,974 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:27:14,975 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1224 transitions. [2020-10-27 17:27:14,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2020-10-27 17:27:14,981 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:27:14,982 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 17:27:14,982 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 17:27:14,982 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:27:14,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:27:14,983 INFO L82 PathProgramCache]: Analyzing trace with hash -1094681230, now seen corresponding path program 1 times [2020-10-27 17:27:14,983 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:27:14,983 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [289364906] [2020-10-27 17:27:14,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:27:15,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:15,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:15,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:15,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:18,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:20,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:20,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-27 17:27:20,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 17:27:20,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-27 17:27:20,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:20,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:27:20,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 189 [2020-10-27 17:27:20,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 17:27:20,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:27:20,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:27:20,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:20,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:20,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:20,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:27:20,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:27:20,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 17:27:20,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:20,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:27:20,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:27:20,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:27:20,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:27:20,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:27:20,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:20,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:20,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:20,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-27 17:27:20,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:27:20,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 17:27:20,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:20,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:27:20,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:27:20,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:27:20,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:27:20,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 17:27:20,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:20,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:20,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:20,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 17:27:20,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:27:20,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-27 17:27:20,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:20,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:27:20,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:27:20,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-27 17:27:20,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:27:20,558 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 115 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-27 17:27:20,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [289364906] [2020-10-27 17:27:20,559 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:27:20,560 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 17:27:20,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157821249] [2020-10-27 17:27:20,563 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 17:27:20,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:27:20,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 17:27:20,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:27:20,564 INFO L87 Difference]: Start difference. First operand 881 states and 1224 transitions. Second operand 6 states. [2020-10-27 17:27:22,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:27:22,833 INFO L93 Difference]: Finished difference Result 1613 states and 2264 transitions. [2020-10-27 17:27:22,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 17:27:22,836 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 242 [2020-10-27 17:27:22,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:27:22,848 INFO L225 Difference]: With dead ends: 1613 [2020-10-27 17:27:22,848 INFO L226 Difference]: Without dead ends: 1610 [2020-10-27 17:27:22,849 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-27 17:27:22,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1610 states. [2020-10-27 17:27:22,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1610 to 1032. [2020-10-27 17:27:22,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1032 states. [2020-10-27 17:27:22,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1475 transitions. [2020-10-27 17:27:22,907 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1475 transitions. Word has length 242 [2020-10-27 17:27:22,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:27:22,908 INFO L481 AbstractCegarLoop]: Abstraction has 1032 states and 1475 transitions. [2020-10-27 17:27:22,908 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 17:27:22,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1475 transitions. [2020-10-27 17:27:22,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-10-27 17:27:22,915 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:27:22,915 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 17:27:22,916 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 17:27:22,916 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:27:22,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:27:22,916 INFO L82 PathProgramCache]: Analyzing trace with hash 1378643490, now seen corresponding path program 1 times [2020-10-27 17:27:22,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:27:22,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1291639207] [2020-10-27 17:27:22,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:27:22,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:22,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:23,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:23,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:23,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:26,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:27,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:27,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-10-27 17:27:27,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 17:27:27,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 17:27:27,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:27,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:27:27,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 214 [2020-10-27 17:27:27,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 17:27:27,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:27:28,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:27:28,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:28,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:28,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:28,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:27:28,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:27:28,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 17:27:28,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:28,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:27:28,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:27:28,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:27:28,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:27:28,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:27:28,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:28,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:28,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:28,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-27 17:27:28,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:27:28,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 17:27:28,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:28,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:27:28,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:27:28,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:27:28,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:27:28,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 17:27:28,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:27:28,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:27:28,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:27:28,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-27 17:27:28,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:27:28,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-10-27 17:27:28,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:27:28,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:27:28,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:27:28,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-27 17:27:28,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:27:28,534 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 115 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-10-27 17:27:28,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1291639207] [2020-10-27 17:27:28,536 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:27:28,536 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:27:28,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321190577] [2020-10-27 17:27:28,537 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:27:28,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:27:28,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:27:28,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:27:28,539 INFO L87 Difference]: Start difference. First operand 1032 states and 1475 transitions. Second operand 5 states. [2020-10-27 17:27:30,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:27:30,254 INFO L93 Difference]: Finished difference Result 2494 states and 3533 transitions. [2020-10-27 17:27:30,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:27:30,255 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 267 [2020-10-27 17:27:30,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:27:30,257 INFO L225 Difference]: With dead ends: 2494 [2020-10-27 17:27:30,257 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 17:27:30,264 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:27:30,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 17:27:30,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 17:27:30,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 17:27:30,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 17:27:30,265 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 267 [2020-10-27 17:27:30,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:27:30,265 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 17:27:30,265 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:27:30,265 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 17:27:30,265 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 17:27:30,265 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 17:27:30,268 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 17:27:31,002 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 25 [2020-10-27 17:27:31,152 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 17:27:31,152 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 17:27:31,152 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 17:27:31,152 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 17:27:31,152 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 17:27:31,153 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-27 17:27:31,153 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 17:27:31,153 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-27 17:27:31,153 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-27 17:27:31,153 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-27 17:27:31,153 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-27 17:27:31,153 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-27 17:27:31,154 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-27 17:27:31,154 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-27 17:27:31,154 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-27 17:27:31,154 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-27 17:27:31,154 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-27 17:27:31,154 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-27 17:27:31,154 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-27 17:27:31,154 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-27 17:27:31,155 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,155 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,155 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,155 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,155 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,155 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,155 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-27 17:27:31,156 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-27 17:27:31,156 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-27 17:27:31,156 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-27 17:27:31,156 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-27 17:27:31,156 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-27 17:27:31,156 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-27 17:27:31,156 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-27 17:27:31,156 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-27 17:27:31,156 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-27 17:27:31,156 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-27 17:27:31,157 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,157 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,157 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,157 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,157 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,157 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-27 17:27:31,157 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-27 17:27:31,157 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-27 17:27:31,158 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-27 17:27:31,158 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-27 17:27:31,158 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-27 17:27:31,158 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-27 17:27:31,158 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-27 17:27:31,158 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-27 17:27:31,158 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-27 17:27:31,158 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-27 17:27:31,158 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-27 17:27:31,159 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-27 17:27:31,159 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-27 17:27:31,159 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,159 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,159 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,159 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,159 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,159 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-27 17:27:31,160 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-27 17:27:31,160 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-27 17:27:31,160 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-27 17:27:31,160 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-27 17:27:31,160 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-27 17:27:31,160 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-27 17:27:31,160 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-27 17:27:31,160 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-27 17:27:31,160 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-27 17:27:31,161 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,161 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,161 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,161 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,161 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,161 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-27 17:27:31,161 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-27 17:27:31,161 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-27 17:27:31,162 INFO L270 CegarLoopResult]: At program point L180(line 180) the Hoare annotation is: (and (not (<= (+ |old(~a1~0)| 333899) 0)) (not (<= 8 |old(~a19~0)|)) (not (<= |old(~a10~0)| 3))) [2020-10-27 17:27:31,162 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-27 17:27:31,162 INFO L274 CegarLoopResult]: For program point L180-1(line 180) no Hoare annotation was computed. [2020-10-27 17:27:31,162 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-27 17:27:31,162 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-27 17:27:31,162 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-27 17:27:31,162 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-27 17:27:31,162 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-27 17:27:31,162 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-27 17:27:31,163 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-27 17:27:31,163 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-27 17:27:31,163 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,163 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,163 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,163 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,163 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,163 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-27 17:27:31,163 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-27 17:27:31,164 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-27 17:27:31,164 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-27 17:27:31,164 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-27 17:27:31,164 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,164 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,164 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-27 17:27:31,164 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-27 17:27:31,164 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-27 17:27:31,164 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-27 17:27:31,165 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,165 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,165 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,165 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,165 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,165 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-27 17:27:31,165 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-27 17:27:31,165 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-27 17:27:31,165 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-27 17:27:31,166 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-27 17:27:31,166 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-27 17:27:31,166 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-27 17:27:31,166 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-27 17:27:31,166 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-27 17:27:31,166 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-27 17:27:31,166 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-27 17:27:31,166 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-27 17:27:31,166 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-27 17:27:31,167 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,167 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,167 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,167 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,167 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-27 17:27:31,167 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,167 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,167 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-27 17:27:31,167 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-27 17:27:31,168 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-27 17:27:31,168 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-27 17:27:31,168 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-27 17:27:31,168 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-27 17:27:31,168 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-27 17:27:31,168 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-27 17:27:31,168 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-27 17:27:31,168 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-27 17:27:31,169 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-27 17:27:31,169 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-27 17:27:31,169 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-27 17:27:31,169 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,169 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,169 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,169 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,169 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,169 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,170 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-27 17:27:31,170 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)))) (and (or (not (<= (+ |old(~a1~0)| 333899) 0)) .cse0) (or .cse0 (not (<= 8 |old(~a19~0)|))) (or .cse0 (not (<= |old(~a10~0)| 3))))) [2020-10-27 17:27:31,170 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-27 17:27:31,170 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-27 17:27:31,170 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-27 17:27:31,170 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-27 17:27:31,170 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-27 17:27:31,171 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-27 17:27:31,171 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-27 17:27:31,171 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-27 17:27:31,171 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-27 17:27:31,171 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-27 17:27:31,171 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-27 17:27:31,171 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-27 17:27:31,171 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-27 17:27:31,172 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,172 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,172 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,172 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,172 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,172 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,172 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-27 17:27:31,172 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-27 17:27:31,172 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-27 17:27:31,173 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-27 17:27:31,173 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-27 17:27:31,173 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-27 17:27:31,173 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-27 17:27:31,173 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-27 17:27:31,173 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-27 17:27:31,173 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-27 17:27:31,173 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-27 17:27:31,173 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-27 17:27:31,174 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-27 17:27:31,174 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,174 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,174 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,174 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,174 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,174 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,174 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-27 17:27:31,174 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-27 17:27:31,175 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-27 17:27:31,175 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-27 17:27:31,175 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-27 17:27:31,175 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-27 17:27:31,175 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-27 17:27:31,175 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-27 17:27:31,175 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-27 17:27:31,175 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-27 17:27:31,175 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-27 17:27:31,175 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-27 17:27:31,176 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,176 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,176 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,176 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,176 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,176 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:27:31,176 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 17:27:31,176 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 9 ~a19~0) (= ~a10~0 0)) [2020-10-27 17:27:31,176 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 17:27:31,177 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 17:27:31,177 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (not (<= 9 |old(~a19~0)|)) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (= 0 |old(~a10~0)|))) [2020-10-27 17:27:31,177 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-10-27 17:27:31,177 INFO L270 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (or (<= (+ ~a1~0 333899) 0) (<= 8 ~a19~0) (not (<= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)) (<= ~a10~0 3)) [2020-10-27 17:27:31,177 INFO L274 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-10-27 17:27:31,177 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-27 17:27:31,177 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (or (<= (+ ~a1~0 333899) 0) (<= 8 ~a19~0) (not (<= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)) (<= ~a10~0 3)) [2020-10-27 17:27:31,177 INFO L274 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-10-27 17:27:31,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 05:27:31 BoogieIcfgContainer [2020-10-27 17:27:31,197 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 17:27:31,199 INFO L168 Benchmark]: Toolchain (without parser) took 30782.50 ms. Allocated memory was 125.8 MB in the beginning and 634.4 MB in the end (delta: 508.6 MB). Free memory was 99.9 MB in the beginning and 597.1 MB in the end (delta: -497.1 MB). Peak memory consumption was 377.7 MB. Max. memory is 8.0 GB. [2020-10-27 17:27:31,200 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 125.8 MB. Free memory is still 86.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 17:27:31,201 INFO L168 Benchmark]: CACSL2BoogieTranslator took 705.53 ms. Allocated memory was 125.8 MB in the beginning and 163.6 MB in the end (delta: 37.7 MB). Free memory was 99.3 MB in the beginning and 143.5 MB in the end (delta: -44.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 8.0 GB. [2020-10-27 17:27:31,202 INFO L168 Benchmark]: Boogie Preprocessor took 149.02 ms. Allocated memory is still 163.6 MB. Free memory was 143.5 MB in the beginning and 138.7 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-27 17:27:31,203 INFO L168 Benchmark]: RCFGBuilder took 1520.75 ms. Allocated memory is still 163.6 MB. Free memory was 138.7 MB in the beginning and 133.2 MB in the end (delta: 5.5 MB). Peak memory consumption was 53.1 MB. Max. memory is 8.0 GB. [2020-10-27 17:27:31,204 INFO L168 Benchmark]: TraceAbstraction took 28396.63 ms. Allocated memory was 163.6 MB in the beginning and 634.4 MB in the end (delta: 470.8 MB). Free memory was 132.7 MB in the beginning and 597.1 MB in the end (delta: -464.4 MB). Peak memory consumption was 371.8 MB. Max. memory is 8.0 GB. [2020-10-27 17:27:31,208 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 125.8 MB. Free memory is still 86.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 705.53 ms. Allocated memory was 125.8 MB in the beginning and 163.6 MB in the end (delta: 37.7 MB). Free memory was 99.3 MB in the beginning and 143.5 MB in the end (delta: -44.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 149.02 ms. Allocated memory is still 163.6 MB. Free memory was 143.5 MB in the beginning and 138.7 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1520.75 ms. Allocated memory is still 163.6 MB. Free memory was 138.7 MB in the beginning and 133.2 MB in the end (delta: 5.5 MB). Peak memory consumption was 53.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 28396.63 ms. Allocated memory was 163.6 MB in the beginning and 634.4 MB in the end (delta: 470.8 MB). Free memory was 132.7 MB in the beginning and 597.1 MB in the end (delta: -464.4 MB). Peak memory consumption was 371.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: (((a1 + 333899 <= 0 || 8 <= a19) || !(9 <= \old(a19))) || !(0 == \old(a10))) || a10 <= 3 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 27.4s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 10.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 131 SDtfs, 2462 SDslu, 97 SDs, 0 SdLazy, 3913 SolverSat, 946 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1032occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 882 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 60 PreInvPairs, 82 NumberOfFragments, 192 HoareAnnotationTreeSize, 60 FomulaSimplifications, 29123 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1436 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 15.7s InterpolantComputationTime, 1003 NumberOfCodeBlocks, 1003 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 997 ConstructedInterpolants, 0 QuantifiedInterpolants, 432017 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 556/563 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...