/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label23.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 06:39:08,193 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 06:39:08,196 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 06:39:08,232 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 06:39:08,232 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 06:39:08,234 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 06:39:08,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 06:39:08,238 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 06:39:08,241 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 06:39:08,242 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 06:39:08,243 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 06:39:08,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 06:39:08,245 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 06:39:08,247 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 06:39:08,248 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 06:39:08,249 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 06:39:08,250 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 06:39:08,251 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 06:39:08,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 06:39:08,256 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 06:39:08,258 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 06:39:08,259 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 06:39:08,261 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 06:39:08,262 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 06:39:08,265 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 06:39:08,266 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 06:39:08,266 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 06:39:08,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 06:39:08,270 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 06:39:08,274 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 06:39:08,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 06:39:08,276 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 06:39:08,277 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 06:39:08,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 06:39:08,279 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 06:39:08,280 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 06:39:08,280 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 06:39:08,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 06:39:08,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 06:39:08,282 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 06:39:08,283 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 06:39:08,286 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 06:39:08,312 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 06:39:08,312 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 06:39:08,314 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 06:39:08,314 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 06:39:08,315 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 06:39:08,315 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 06:39:08,315 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 06:39:08,315 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 06:39:08,316 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 06:39:08,316 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 06:39:08,316 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 06:39:08,316 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 06:39:08,317 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 06:39:08,317 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 06:39:08,317 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 06:39:08,318 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 06:39:08,318 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 06:39:08,318 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 06:39:08,318 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 06:39:08,319 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 06:39:08,319 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 06:39:08,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 06:39:08,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 06:39:08,320 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 06:39:08,320 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 06:39:08,320 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 06:39:08,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 06:39:08,321 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 06:39:08,321 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 06:39:08,322 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 06:39:08,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 06:39:08,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 06:39:08,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 06:39:08,822 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 06:39:08,823 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 06:39:08,824 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label23.c [2020-10-29 06:39:08,901 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/28c0b5321/0bbd9c98ceeb4e0ca84950f9ae4be272/FLAG8dc522c13 [2020-10-29 06:39:09,651 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 06:39:09,658 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label23.c [2020-10-29 06:39:09,683 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/28c0b5321/0bbd9c98ceeb4e0ca84950f9ae4be272/FLAG8dc522c13 [2020-10-29 06:39:09,900 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/28c0b5321/0bbd9c98ceeb4e0ca84950f9ae4be272 [2020-10-29 06:39:09,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 06:39:09,913 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 06:39:09,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 06:39:09,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 06:39:09,921 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 06:39:09,923 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:39:09" (1/1) ... [2020-10-29 06:39:09,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e59fcaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:39:09, skipping insertion in model container [2020-10-29 06:39:09,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:39:09" (1/1) ... [2020-10-29 06:39:09,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 06:39:10,013 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 06:39:10,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:39:10,495 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 06:39:10,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:39:10,613 INFO L208 MainTranslator]: Completed translation [2020-10-29 06:39:10,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:39:10 WrapperNode [2020-10-29 06:39:10,614 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 06:39:10,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 06:39:10,615 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 06:39:10,615 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 06:39:10,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:39:10" (1/1) ... [2020-10-29 06:39:10,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:39:10" (1/1) ... [2020-10-29 06:39:10,656 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:39:10" (1/1) ... [2020-10-29 06:39:10,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:39:10" (1/1) ... [2020-10-29 06:39:10,699 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:39:10" (1/1) ... [2020-10-29 06:39:10,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:39:10" (1/1) ... [2020-10-29 06:39:10,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:39:10" (1/1) ... [2020-10-29 06:39:10,742 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 06:39:10,743 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 06:39:10,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 06:39:10,744 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 06:39:10,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:39:10" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 06:39:10,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 06:39:10,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 06:39:10,849 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 06:39:10,849 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 06:39:10,850 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 06:39:10,851 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 06:39:10,851 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 06:39:10,851 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 06:39:10,852 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 06:39:10,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 06:39:10,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 06:39:10,853 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 06:39:10,853 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 06:39:10,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 06:39:10,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 06:39:10,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 06:39:10,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 06:39:10,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 06:39:10,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 06:39:12,355 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 06:39:12,355 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 06:39:12,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:39:12 BoogieIcfgContainer [2020-10-29 06:39:12,358 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 06:39:12,361 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 06:39:12,361 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 06:39:12,365 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 06:39:12,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 06:39:09" (1/3) ... [2020-10-29 06:39:12,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ad5eded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:39:12, skipping insertion in model container [2020-10-29 06:39:12,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:39:10" (2/3) ... [2020-10-29 06:39:12,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ad5eded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:39:12, skipping insertion in model container [2020-10-29 06:39:12,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:39:12" (3/3) ... [2020-10-29 06:39:12,369 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label23.c [2020-10-29 06:39:12,406 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 06:39:12,412 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 06:39:12,427 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 06:39:12,481 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 06:39:12,481 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 06:39:12,481 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 06:39:12,481 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 06:39:12,481 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 06:39:12,481 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 06:39:12,482 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 06:39:12,482 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 06:39:12,520 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-29 06:39:12,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-29 06:39:12,535 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:39:12,536 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] [2020-10-29 06:39:12,537 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:39:12,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:39:12,548 INFO L82 PathProgramCache]: Analyzing trace with hash 310251186, now seen corresponding path program 1 times [2020-10-29 06:39:12,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:39:12,560 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [252479543] [2020-10-29 06:39:12,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:39:12,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:12,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:13,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:13,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 06:39:13,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:13,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 516 [2020-10-29 06:39:13,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:13,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:13,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:39:13,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:39:13,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-29 06:39:13,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 06:39:13,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:39:13,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:13,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:13,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:13,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:39:13,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:13,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 06:39:13,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:13,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:13,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:39:13,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:13,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:39:13,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:39:13,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:39:13,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [252479543] [2020-10-29 06:39:13,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:39:13,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 06:39:13,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340216481] [2020-10-29 06:39:13,577 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:39:13,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:39:13,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:39:13,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:39:13,596 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 5 states. [2020-10-29 06:39:16,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:39:16,764 INFO L93 Difference]: Finished difference Result 735 states and 1308 transitions. [2020-10-29 06:39:16,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 06:39:16,768 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-10-29 06:39:16,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:39:16,806 INFO L225 Difference]: With dead ends: 735 [2020-10-29 06:39:16,806 INFO L226 Difference]: Without dead ends: 448 [2020-10-29 06:39:16,821 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:39:16,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2020-10-29 06:39:16,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 442. [2020-10-29 06:39:16,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2020-10-29 06:39:16,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 649 transitions. [2020-10-29 06:39:16,967 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 649 transitions. Word has length 53 [2020-10-29 06:39:16,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:39:16,968 INFO L481 AbstractCegarLoop]: Abstraction has 442 states and 649 transitions. [2020-10-29 06:39:16,968 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:39:16,969 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 649 transitions. [2020-10-29 06:39:16,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-29 06:39:16,982 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:39:16,983 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:39:16,983 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 06:39:16,984 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:39:16,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:39:16,984 INFO L82 PathProgramCache]: Analyzing trace with hash 105139245, now seen corresponding path program 1 times [2020-10-29 06:39:16,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:39:16,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [874342158] [2020-10-29 06:39:16,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:39:17,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:17,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:17,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:17,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:17,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-29 06:39:17,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:39:17,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 504 [2020-10-29 06:39:17,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:17,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:17,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:17,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-29 06:39:17,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-29 06:39:17,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:39:17,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:39:17,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:17,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:17,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:17,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:39:17,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:17,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:39:17,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:17,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:17,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:39:17,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:17,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:39:17,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:17,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:39:17,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:17,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:17,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:17,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 06:39:17,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:17,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-29 06:39:17,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:17,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:17,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:39:17,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:17,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 06:39:17,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 06:39:17,953 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 44 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:39:17,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [874342158] [2020-10-29 06:39:17,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:39:17,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 06:39:17,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016099475] [2020-10-29 06:39:17,957 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 06:39:17,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:39:17,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 06:39:17,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:39:17,961 INFO L87 Difference]: Start difference. First operand 442 states and 649 transitions. Second operand 6 states. [2020-10-29 06:39:20,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:39:20,269 INFO L93 Difference]: Finished difference Result 741 states and 1125 transitions. [2020-10-29 06:39:20,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 06:39:20,271 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 132 [2020-10-29 06:39:20,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:39:20,279 INFO L225 Difference]: With dead ends: 741 [2020-10-29 06:39:20,280 INFO L226 Difference]: Without dead ends: 738 [2020-10-29 06:39:20,281 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:39:20,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2020-10-29 06:39:20,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 587. [2020-10-29 06:39:20,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2020-10-29 06:39:20,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 876 transitions. [2020-10-29 06:39:20,328 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 876 transitions. Word has length 132 [2020-10-29 06:39:20,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:39:20,329 INFO L481 AbstractCegarLoop]: Abstraction has 587 states and 876 transitions. [2020-10-29 06:39:20,329 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 06:39:20,329 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 876 transitions. [2020-10-29 06:39:20,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-29 06:39:20,332 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:39:20,333 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:39:20,333 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 06:39:20,333 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:39:20,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:39:20,334 INFO L82 PathProgramCache]: Analyzing trace with hash 1802144743, now seen corresponding path program 1 times [2020-10-29 06:39:20,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:39:20,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1811375431] [2020-10-29 06:39:20,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:39:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:20,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:20,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:21,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:22,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:22,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-29 06:39:22,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:39:22,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1662 [2020-10-29 06:39:22,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:22,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:22,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:39:22,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:39:22,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-29 06:39:22,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:22,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:39:22,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:22,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:22,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:22,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:39:22,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:22,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 06:39:22,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:22,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:22,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:39:22,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:22,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:39:22,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:39:22,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:39:22,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:22,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:22,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:22,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-29 06:39:22,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:22,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 207 [2020-10-29 06:39:22,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:22,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:22,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:22,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:39:22,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-29 06:39:22,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:39:22,556 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:39:22,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1811375431] [2020-10-29 06:39:22,557 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:39:22,557 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 06:39:22,558 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486427642] [2020-10-29 06:39:22,560 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:39:22,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:39:22,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:39:22,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:39:22,563 INFO L87 Difference]: Start difference. First operand 587 states and 876 transitions. Second operand 7 states. [2020-10-29 06:39:24,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:39:24,635 INFO L93 Difference]: Finished difference Result 1641 states and 2528 transitions. [2020-10-29 06:39:24,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:39:24,636 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 135 [2020-10-29 06:39:24,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:39:24,645 INFO L225 Difference]: With dead ends: 1641 [2020-10-29 06:39:24,645 INFO L226 Difference]: Without dead ends: 1060 [2020-10-29 06:39:24,648 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-29 06:39:24,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1060 states. [2020-10-29 06:39:24,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1060 to 889. [2020-10-29 06:39:24,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 889 states. [2020-10-29 06:39:24,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 889 states and 1237 transitions. [2020-10-29 06:39:24,700 INFO L78 Accepts]: Start accepts. Automaton has 889 states and 1237 transitions. Word has length 135 [2020-10-29 06:39:24,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:39:24,700 INFO L481 AbstractCegarLoop]: Abstraction has 889 states and 1237 transitions. [2020-10-29 06:39:24,701 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:39:24,701 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1237 transitions. [2020-10-29 06:39:24,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-29 06:39:24,705 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:39:24,705 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, 2, 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] [2020-10-29 06:39:24,706 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 06:39:24,706 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:39:24,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:39:24,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1956319044, now seen corresponding path program 1 times [2020-10-29 06:39:24,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:39:24,707 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1469483654] [2020-10-29 06:39:24,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:39:24,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:24,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:24,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:25,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:26,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:26,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-29 06:39:26,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:39:26,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1434 [2020-10-29 06:39:26,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:26,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:26,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:26,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-29 06:39:26,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-29 06:39:26,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:26,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:39:26,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:26,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:26,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:26,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:39:26,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:26,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 06:39:26,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:26,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:26,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:39:26,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:26,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:39:26,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:39:26,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:39:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:26,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:26,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:26,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-29 06:39:26,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:26,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-29 06:39:26,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:26,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:26,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:39:26,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:26,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-29 06:39:26,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:39:26,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-29 06:39:26,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:26,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:26,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:26,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-29 06:39:26,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:26,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-29 06:39:26,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:26,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:26,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:26,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:39:26,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-29 06:39:26,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:26,735 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 157 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:39:26,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1469483654] [2020-10-29 06:39:26,736 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:39:26,736 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:39:26,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166296239] [2020-10-29 06:39:26,737 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:39:26,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:39:26,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:39:26,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:39:26,739 INFO L87 Difference]: Start difference. First operand 889 states and 1237 transitions. Second operand 7 states. [2020-10-29 06:39:28,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:39:28,894 INFO L93 Difference]: Finished difference Result 2237 states and 3238 transitions. [2020-10-29 06:39:28,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:39:28,898 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 205 [2020-10-29 06:39:28,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:39:28,912 INFO L225 Difference]: With dead ends: 2237 [2020-10-29 06:39:28,912 INFO L226 Difference]: Without dead ends: 1354 [2020-10-29 06:39:28,915 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:39:28,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1354 states. [2020-10-29 06:39:28,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1354 to 1042. [2020-10-29 06:39:28,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1042 states. [2020-10-29 06:39:28,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 1042 states and 1419 transitions. [2020-10-29 06:39:28,979 INFO L78 Accepts]: Start accepts. Automaton has 1042 states and 1419 transitions. Word has length 205 [2020-10-29 06:39:28,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:39:28,981 INFO L481 AbstractCegarLoop]: Abstraction has 1042 states and 1419 transitions. [2020-10-29 06:39:28,981 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:39:28,981 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 1419 transitions. [2020-10-29 06:39:28,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-10-29 06:39:28,986 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:39:28,987 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:39:28,987 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 06:39:28,987 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:39:28,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:39:28,988 INFO L82 PathProgramCache]: Analyzing trace with hash -842351650, now seen corresponding path program 1 times [2020-10-29 06:39:28,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:39:28,989 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [11899018] [2020-10-29 06:39:28,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:39:29,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:29,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:29,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:29,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:32,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:33,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:33,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-29 06:39:33,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:39:33,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4545 [2020-10-29 06:39:33,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:33,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:33,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:33,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-29 06:39:33,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-29 06:39:33,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:33,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:39:33,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:33,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:33,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:33,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:39:33,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:33,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:39:33,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:33,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:33,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:39:33,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:33,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:39:33,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:33,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:39:33,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:33,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:33,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:33,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-29 06:39:33,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:33,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-29 06:39:33,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:33,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:33,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:39:33,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:33,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-29 06:39:33,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 06:39:33,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 06:39:33,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:33,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:33,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:33,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-29 06:39:33,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:33,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-29 06:39:33,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:33,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:33,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:33,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:39:33,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-29 06:39:33,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:34,063 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 164 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:39:34,063 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [11899018] [2020-10-29 06:39:34,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:39:34,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:39:34,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534447496] [2020-10-29 06:39:34,065 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:39:34,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:39:34,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:39:34,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:39:34,066 INFO L87 Difference]: Start difference. First operand 1042 states and 1419 transitions. Second operand 7 states. [2020-10-29 06:39:36,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:39:36,024 INFO L93 Difference]: Finished difference Result 2392 states and 3359 transitions. [2020-10-29 06:39:36,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 06:39:36,025 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 212 [2020-10-29 06:39:36,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:39:36,037 INFO L225 Difference]: With dead ends: 2392 [2020-10-29 06:39:36,037 INFO L226 Difference]: Without dead ends: 1356 [2020-10-29 06:39:36,041 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:39:36,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1356 states. [2020-10-29 06:39:36,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1356 to 1340. [2020-10-29 06:39:36,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1340 states. [2020-10-29 06:39:36,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1340 states and 1844 transitions. [2020-10-29 06:39:36,110 INFO L78 Accepts]: Start accepts. Automaton has 1340 states and 1844 transitions. Word has length 212 [2020-10-29 06:39:36,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:39:36,111 INFO L481 AbstractCegarLoop]: Abstraction has 1340 states and 1844 transitions. [2020-10-29 06:39:36,111 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:39:36,111 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 1844 transitions. [2020-10-29 06:39:36,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-10-29 06:39:36,118 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:39:36,119 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:39:36,119 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 06:39:36,119 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:39:36,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:39:36,120 INFO L82 PathProgramCache]: Analyzing trace with hash -1039623246, now seen corresponding path program 1 times [2020-10-29 06:39:36,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:39:36,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1887471078] [2020-10-29 06:39:36,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:39:36,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:36,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:36,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:36,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:38,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:40,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:40,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-29 06:39:40,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:39:40,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4794 [2020-10-29 06:39:40,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:40,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:40,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:40,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-29 06:39:40,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-29 06:39:40,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:41,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:39:41,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:41,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:41,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:41,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:39:41,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:41,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:39:41,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:41,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:41,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:39:41,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:41,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:39:41,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:41,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:39:41,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:41,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:41,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:41,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-29 06:39:41,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:41,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-29 06:39:41,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:41,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:41,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:39:41,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:41,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-29 06:39:41,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:41,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-29 06:39:41,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:41,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:41,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:41,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-29 06:39:41,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:41,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-29 06:39:41,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:41,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:41,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:41,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:39:41,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-29 06:39:41,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:41,505 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 169 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:39:41,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1887471078] [2020-10-29 06:39:41,508 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:39:41,508 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:39:41,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423047545] [2020-10-29 06:39:41,509 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:39:41,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:39:41,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:39:41,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:39:41,510 INFO L87 Difference]: Start difference. First operand 1340 states and 1844 transitions. Second operand 7 states. [2020-10-29 06:39:43,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:39:43,995 INFO L93 Difference]: Finished difference Result 3582 states and 5063 transitions. [2020-10-29 06:39:44,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 06:39:44,000 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 222 [2020-10-29 06:39:44,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:39:44,016 INFO L225 Difference]: With dead ends: 3582 [2020-10-29 06:39:44,016 INFO L226 Difference]: Without dead ends: 2248 [2020-10-29 06:39:44,021 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-29 06:39:44,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2248 states. [2020-10-29 06:39:44,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2248 to 1795. [2020-10-29 06:39:44,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1795 states. [2020-10-29 06:39:44,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1795 states to 1795 states and 2434 transitions. [2020-10-29 06:39:44,096 INFO L78 Accepts]: Start accepts. Automaton has 1795 states and 2434 transitions. Word has length 222 [2020-10-29 06:39:44,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:39:44,098 INFO L481 AbstractCegarLoop]: Abstraction has 1795 states and 2434 transitions. [2020-10-29 06:39:44,098 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:39:44,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1795 states and 2434 transitions. [2020-10-29 06:39:44,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-29 06:39:44,105 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:39:44,106 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 06:39:44,106 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 06:39:44,106 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:39:44,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:39:44,107 INFO L82 PathProgramCache]: Analyzing trace with hash -1713925064, now seen corresponding path program 1 times [2020-10-29 06:39:44,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:39:44,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2124306224] [2020-10-29 06:39:44,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:39:44,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:44,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:44,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:44,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:46,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:49,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:49,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-29 06:39:49,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:39:49,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4860 [2020-10-29 06:39:49,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:49,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:49,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:49,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-29 06:39:49,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-29 06:39:49,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:49,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:39:49,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:49,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:49,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:49,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:39:49,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:49,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:39:49,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:49,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:49,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:39:49,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:49,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:39:49,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:39:49,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:39:49,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:49,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:49,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:49,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-29 06:39:49,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:49,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-29 06:39:49,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:49,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:49,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:39:49,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:49,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-29 06:39:49,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:39:49,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-29 06:39:49,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:49,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:49,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:49,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-29 06:39:49,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:49,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-10-29 06:39:49,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:49,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:49,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:49,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:39:49,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-29 06:39:49,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:49,630 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 169 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:39:49,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2124306224] [2020-10-29 06:39:49,631 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:39:49,631 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:39:49,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377584780] [2020-10-29 06:39:49,632 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:39:49,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:39:49,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:39:49,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:39:49,634 INFO L87 Difference]: Start difference. First operand 1795 states and 2434 transitions. Second operand 7 states. [2020-10-29 06:39:51,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:39:51,757 INFO L93 Difference]: Finished difference Result 4468 states and 6116 transitions. [2020-10-29 06:39:51,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 06:39:51,765 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 231 [2020-10-29 06:39:51,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:39:51,781 INFO L225 Difference]: With dead ends: 4468 [2020-10-29 06:39:51,781 INFO L226 Difference]: Without dead ends: 2679 [2020-10-29 06:39:51,788 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:39:51,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2679 states. [2020-10-29 06:39:51,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2679 to 2385. [2020-10-29 06:39:51,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2385 states. [2020-10-29 06:39:51,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2385 states to 2385 states and 3289 transitions. [2020-10-29 06:39:51,883 INFO L78 Accepts]: Start accepts. Automaton has 2385 states and 3289 transitions. Word has length 231 [2020-10-29 06:39:51,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:39:51,884 INFO L481 AbstractCegarLoop]: Abstraction has 2385 states and 3289 transitions. [2020-10-29 06:39:51,884 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:39:51,884 INFO L276 IsEmpty]: Start isEmpty. Operand 2385 states and 3289 transitions. [2020-10-29 06:39:51,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-10-29 06:39:51,893 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:39:51,893 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:39:51,894 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 06:39:51,894 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:39:51,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:39:51,895 INFO L82 PathProgramCache]: Analyzing trace with hash 449716466, now seen corresponding path program 1 times [2020-10-29 06:39:51,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:39:51,896 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [891827845] [2020-10-29 06:39:51,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:39:51,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:51,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:52,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:52,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:53,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:54,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:54,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 268 [2020-10-29 06:39:54,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:39:54,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2071 [2020-10-29 06:39:54,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:54,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:54,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:54,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-29 06:39:54,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-29 06:39:54,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:54,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:39:54,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:54,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:54,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:54,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:39:54,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:54,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:39:54,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:54,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:54,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:39:54,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:54,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:39:54,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:54,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:39:54,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:54,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:54,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:54,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 06:39:54,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:54,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-29 06:39:54,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:54,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:54,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:39:54,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:54,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 06:39:54,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:39:54,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 06:39:54,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:54,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:54,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:54,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-29 06:39:54,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:54,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-10-29 06:39:54,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:54,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:54,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:54,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:39:54,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-29 06:39:54,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:54,679 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 166 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:39:54,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [891827845] [2020-10-29 06:39:54,679 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:39:54,679 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 06:39:54,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645151445] [2020-10-29 06:39:54,680 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 06:39:54,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:39:54,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 06:39:54,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:39:54,682 INFO L87 Difference]: Start difference. First operand 2385 states and 3289 transitions. Second operand 8 states. [2020-10-29 06:39:57,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:39:57,681 INFO L93 Difference]: Finished difference Result 5428 states and 7763 transitions. [2020-10-29 06:39:57,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:39:57,681 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 254 [2020-10-29 06:39:57,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:39:57,706 INFO L225 Difference]: With dead ends: 5428 [2020-10-29 06:39:57,706 INFO L226 Difference]: Without dead ends: 3049 [2020-10-29 06:39:57,715 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-29 06:39:57,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3049 states. [2020-10-29 06:39:57,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3049 to 3045. [2020-10-29 06:39:57,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3045 states. [2020-10-29 06:39:57,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3045 states to 3045 states and 4229 transitions. [2020-10-29 06:39:57,850 INFO L78 Accepts]: Start accepts. Automaton has 3045 states and 4229 transitions. Word has length 254 [2020-10-29 06:39:57,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:39:57,850 INFO L481 AbstractCegarLoop]: Abstraction has 3045 states and 4229 transitions. [2020-10-29 06:39:57,851 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 06:39:57,851 INFO L276 IsEmpty]: Start isEmpty. Operand 3045 states and 4229 transitions. [2020-10-29 06:39:57,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2020-10-29 06:39:57,865 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:39:57,865 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:39:57,865 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 06:39:57,865 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:39:57,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:39:57,866 INFO L82 PathProgramCache]: Analyzing trace with hash 1025177470, now seen corresponding path program 1 times [2020-10-29 06:39:57,866 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:39:57,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1430486536] [2020-10-29 06:39:57,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:39:57,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:57,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:58,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:58,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:58,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:01,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:02,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:02,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 306 [2020-10-29 06:40:02,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 06:40:02,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-29 06:40:02,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:02,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:02,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:02,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 127 [2020-10-29 06:40:02,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-29 06:40:02,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:03,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:40:03,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:03,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:03,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:03,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:40:03,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:03,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:40:03,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:03,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:03,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:03,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:03,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:03,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:03,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:40:03,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:03,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:03,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:03,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-29 06:40:03,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:03,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-29 06:40:03,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:03,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:03,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:40:03,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:03,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-29 06:40:03,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:03,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-29 06:40:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:03,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:03,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:03,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-29 06:40:03,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:03,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-29 06:40:03,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:03,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:03,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:03,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:40:03,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-29 06:40:03,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:40:03,600 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 204 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:40:03,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1430486536] [2020-10-29 06:40:03,601 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:40:03,601 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:40:03,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916818944] [2020-10-29 06:40:03,602 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:40:03,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:40:03,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:40:03,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:40:03,603 INFO L87 Difference]: Start difference. First operand 3045 states and 4229 transitions. Second operand 7 states. [2020-10-29 06:40:05,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:40:05,859 INFO L93 Difference]: Finished difference Result 6929 states and 9937 transitions. [2020-10-29 06:40:05,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:40:05,860 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 292 [2020-10-29 06:40:05,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:40:05,879 INFO L225 Difference]: With dead ends: 6929 [2020-10-29 06:40:05,880 INFO L226 Difference]: Without dead ends: 2799 [2020-10-29 06:40:05,900 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:40:05,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2799 states. [2020-10-29 06:40:05,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2799 to 2576. [2020-10-29 06:40:05,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2576 states. [2020-10-29 06:40:06,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2576 states to 2576 states and 3217 transitions. [2020-10-29 06:40:06,010 INFO L78 Accepts]: Start accepts. Automaton has 2576 states and 3217 transitions. Word has length 292 [2020-10-29 06:40:06,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:40:06,010 INFO L481 AbstractCegarLoop]: Abstraction has 2576 states and 3217 transitions. [2020-10-29 06:40:06,011 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:40:06,011 INFO L276 IsEmpty]: Start isEmpty. Operand 2576 states and 3217 transitions. [2020-10-29 06:40:06,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2020-10-29 06:40:06,024 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:40:06,025 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:40:06,025 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 06:40:06,025 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:40:06,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:40:06,028 INFO L82 PathProgramCache]: Analyzing trace with hash -866114723, now seen corresponding path program 1 times [2020-10-29 06:40:06,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:40:06,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1898853742] [2020-10-29 06:40:06,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:40:06,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:06,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:06,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:06,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:09,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:11,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:11,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 348 [2020-10-29 06:40:11,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:40:11,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-29 06:40:11,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:11,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:11,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:11,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 209 [2020-10-29 06:40:11,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-29 06:40:11,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:11,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:40:11,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:11,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:11,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:11,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:40:11,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:11,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 06:40:11,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:11,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:11,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:11,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:11,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:11,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:11,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:40:11,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:11,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:11,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:11,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-29 06:40:11,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:11,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 06:40:11,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:11,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:11,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:11,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:11,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:11,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:11,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-29 06:40:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:11,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:11,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:11,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-29 06:40:11,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:11,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-29 06:40:11,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:11,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:11,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:40:11,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:11,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-29 06:40:11,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:11,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-29 06:40:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:11,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:11,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:11,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-29 06:40:11,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:11,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-29 06:40:11,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:11,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:11,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:11,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:40:11,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-29 06:40:11,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:11,577 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 298 proven. 2 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2020-10-29 06:40:11,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1898853742] [2020-10-29 06:40:11,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:40:11,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:40:11,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725818901] [2020-10-29 06:40:11,579 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:40:11,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:40:11,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:40:11,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:40:11,580 INFO L87 Difference]: Start difference. First operand 2576 states and 3217 transitions. Second operand 7 states. [2020-10-29 06:40:13,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:40:13,403 INFO L93 Difference]: Finished difference Result 6030 states and 7597 transitions. [2020-10-29 06:40:13,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 06:40:13,404 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 332 [2020-10-29 06:40:13,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:40:13,424 INFO L225 Difference]: With dead ends: 6030 [2020-10-29 06:40:13,425 INFO L226 Difference]: Without dead ends: 3464 [2020-10-29 06:40:13,435 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:40:13,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3464 states. [2020-10-29 06:40:13,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3464 to 3162. [2020-10-29 06:40:13,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3162 states. [2020-10-29 06:40:13,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3162 states to 3162 states and 3998 transitions. [2020-10-29 06:40:13,563 INFO L78 Accepts]: Start accepts. Automaton has 3162 states and 3998 transitions. Word has length 332 [2020-10-29 06:40:13,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:40:13,564 INFO L481 AbstractCegarLoop]: Abstraction has 3162 states and 3998 transitions. [2020-10-29 06:40:13,564 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:40:13,564 INFO L276 IsEmpty]: Start isEmpty. Operand 3162 states and 3998 transitions. [2020-10-29 06:40:13,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2020-10-29 06:40:13,579 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:40:13,580 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:40:13,580 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 06:40:13,580 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:40:13,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:40:13,581 INFO L82 PathProgramCache]: Analyzing trace with hash 2072580511, now seen corresponding path program 1 times [2020-10-29 06:40:13,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:40:13,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1867379273] [2020-10-29 06:40:13,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:40:13,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:13,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:13,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:13,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:17,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:18,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:18,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 349 [2020-10-29 06:40:18,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:40:18,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-29 06:40:18,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:18,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:18,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:18,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-29 06:40:18,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-29 06:40:18,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:18,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:40:18,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:18,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:18,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:18,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:40:18,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:18,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 06:40:18,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:18,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:18,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:18,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:18,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:18,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:18,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:40:18,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:18,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:18,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:18,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-29 06:40:18,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:18,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-29 06:40:18,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:18,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:18,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:40:18,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:18,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-29 06:40:18,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:18,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 06:40:18,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:18,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:18,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:18,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 06:40:18,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:18,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-29 06:40:18,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:18,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:18,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:18,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:40:18,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-29 06:40:18,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:19,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-29 06:40:19,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:19,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:19,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:19,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-29 06:40:19,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:19,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-29 06:40:19,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:19,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:19,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:19,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-29 06:40:19,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:19,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:19,241 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 213 proven. 80 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-10-29 06:40:19,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1867379273] [2020-10-29 06:40:19,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:40:19,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 06:40:19,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095814383] [2020-10-29 06:40:19,242 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 06:40:19,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:40:19,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 06:40:19,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:40:19,243 INFO L87 Difference]: Start difference. First operand 3162 states and 3998 transitions. Second operand 8 states. [2020-10-29 06:40:21,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:40:21,808 INFO L93 Difference]: Finished difference Result 6628 states and 8484 transitions. [2020-10-29 06:40:21,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:40:21,809 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 333 [2020-10-29 06:40:21,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:40:21,828 INFO L225 Difference]: With dead ends: 6628 [2020-10-29 06:40:21,829 INFO L226 Difference]: Without dead ends: 3615 [2020-10-29 06:40:21,841 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2020-10-29 06:40:21,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3615 states. [2020-10-29 06:40:21,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3615 to 3611. [2020-10-29 06:40:21,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3611 states. [2020-10-29 06:40:21,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3611 states to 3611 states and 4441 transitions. [2020-10-29 06:40:21,975 INFO L78 Accepts]: Start accepts. Automaton has 3611 states and 4441 transitions. Word has length 333 [2020-10-29 06:40:21,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:40:21,976 INFO L481 AbstractCegarLoop]: Abstraction has 3611 states and 4441 transitions. [2020-10-29 06:40:21,976 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 06:40:21,976 INFO L276 IsEmpty]: Start isEmpty. Operand 3611 states and 4441 transitions. [2020-10-29 06:40:21,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2020-10-29 06:40:21,991 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:40:21,992 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:40:21,992 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 06:40:21,992 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:40:21,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:40:21,993 INFO L82 PathProgramCache]: Analyzing trace with hash -1323768149, now seen corresponding path program 1 times [2020-10-29 06:40:21,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:40:21,993 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1310714925] [2020-10-29 06:40:21,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:40:22,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:22,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:22,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:23,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:23,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:23,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 354 [2020-10-29 06:40:23,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:40:23,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1882 [2020-10-29 06:40:23,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:23,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:23,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:23,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-29 06:40:23,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-29 06:40:23,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:24,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:40:24,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:24,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:24,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:24,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:40:24,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:24,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 06:40:24,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:24,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:24,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:24,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:24,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:24,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:24,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:40:24,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:24,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:24,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:24,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-29 06:40:24,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:24,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-29 06:40:24,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:24,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:24,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:40:24,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:24,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-29 06:40:24,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:24,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-29 06:40:24,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:24,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:24,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:24,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-29 06:40:24,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:24,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-29 06:40:24,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:24,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:24,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:24,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:40:24,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-29 06:40:24,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:24,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-10-29 06:40:24,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:24,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:24,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:24,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-29 06:40:24,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:24,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 06:40:24,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:24,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:24,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:24,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-29 06:40:24,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:24,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:24,603 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 224 proven. 81 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-10-29 06:40:24,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1310714925] [2020-10-29 06:40:24,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:40:24,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 06:40:24,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600168077] [2020-10-29 06:40:24,605 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 06:40:24,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:40:24,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 06:40:24,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:40:24,606 INFO L87 Difference]: Start difference. First operand 3611 states and 4441 transitions. Second operand 8 states. [2020-10-29 06:40:26,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:40:26,874 INFO L93 Difference]: Finished difference Result 7091 states and 8775 transitions. [2020-10-29 06:40:26,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-29 06:40:26,877 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 338 [2020-10-29 06:40:26,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:40:26,896 INFO L225 Difference]: With dead ends: 7091 [2020-10-29 06:40:26,896 INFO L226 Difference]: Without dead ends: 3629 [2020-10-29 06:40:26,908 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-29 06:40:26,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3629 states. [2020-10-29 06:40:27,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3629 to 3319. [2020-10-29 06:40:27,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3319 states. [2020-10-29 06:40:27,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3319 states to 3319 states and 3891 transitions. [2020-10-29 06:40:27,017 INFO L78 Accepts]: Start accepts. Automaton has 3319 states and 3891 transitions. Word has length 338 [2020-10-29 06:40:27,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:40:27,018 INFO L481 AbstractCegarLoop]: Abstraction has 3319 states and 3891 transitions. [2020-10-29 06:40:27,018 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 06:40:27,018 INFO L276 IsEmpty]: Start isEmpty. Operand 3319 states and 3891 transitions. [2020-10-29 06:40:27,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2020-10-29 06:40:27,029 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:40:27,030 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:40:27,030 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-29 06:40:27,030 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:40:27,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:40:27,031 INFO L82 PathProgramCache]: Analyzing trace with hash -403571107, now seen corresponding path program 1 times [2020-10-29 06:40:27,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:40:27,031 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2050331013] [2020-10-29 06:40:27,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:40:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:27,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:27,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:28,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:28,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:31,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:31,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 385 [2020-10-29 06:40:31,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:40:31,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3943 [2020-10-29 06:40:31,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:31,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:31,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:31,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 246 [2020-10-29 06:40:31,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-29 06:40:31,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:31,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:40:31,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:31,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:31,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:31,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:40:31,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:31,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:40:31,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:31,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:31,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:31,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:31,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:31,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:31,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:40:31,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:31,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:31,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:31,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-29 06:40:31,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:31,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 06:40:31,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:31,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:31,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:31,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:31,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:31,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:31,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-29 06:40:31,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:31,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:31,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:31,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-29 06:40:31,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:31,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-29 06:40:31,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:31,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:31,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:40:31,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:31,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-29 06:40:31,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:31,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2020-10-29 06:40:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:31,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:31,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:31,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-29 06:40:31,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:31,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-29 06:40:31,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:31,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:31,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:31,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:40:31,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-29 06:40:31,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:31,560 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 298 proven. 2 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2020-10-29 06:40:31,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2050331013] [2020-10-29 06:40:31,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:40:31,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:40:31,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921214472] [2020-10-29 06:40:31,562 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:40:31,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:40:31,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:40:31,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:40:31,563 INFO L87 Difference]: Start difference. First operand 3319 states and 3891 transitions. Second operand 7 states. [2020-10-29 06:40:33,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:40:33,414 INFO L93 Difference]: Finished difference Result 7385 states and 8722 transitions. [2020-10-29 06:40:33,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 06:40:33,415 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 369 [2020-10-29 06:40:33,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:40:33,447 INFO L225 Difference]: With dead ends: 7385 [2020-10-29 06:40:33,447 INFO L226 Difference]: Without dead ends: 4215 [2020-10-29 06:40:33,460 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-29 06:40:33,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4215 states. [2020-10-29 06:40:33,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4215 to 3621. [2020-10-29 06:40:33,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3621 states. [2020-10-29 06:40:33,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3621 states to 3621 states and 4273 transitions. [2020-10-29 06:40:33,584 INFO L78 Accepts]: Start accepts. Automaton has 3621 states and 4273 transitions. Word has length 369 [2020-10-29 06:40:33,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:40:33,585 INFO L481 AbstractCegarLoop]: Abstraction has 3621 states and 4273 transitions. [2020-10-29 06:40:33,585 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:40:33,585 INFO L276 IsEmpty]: Start isEmpty. Operand 3621 states and 4273 transitions. [2020-10-29 06:40:33,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2020-10-29 06:40:33,602 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:40:33,602 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:40:33,602 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-29 06:40:33,602 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:40:33,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:40:33,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1017193619, now seen corresponding path program 1 times [2020-10-29 06:40:33,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:40:33,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [894402290] [2020-10-29 06:40:33,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:40:33,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:33,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:33,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:34,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:35,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:35,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 387 [2020-10-29 06:40:35,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:40:35,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1455 [2020-10-29 06:40:35,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:35,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:35,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:35,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-29 06:40:35,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-29 06:40:35,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:35,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:40:35,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:35,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:35,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:35,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:40:35,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:35,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 06:40:35,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:35,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:35,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:35,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:35,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:35,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:35,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:40:35,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:35,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:35,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:35,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-29 06:40:35,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:35,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-29 06:40:35,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:35,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:35,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:40:35,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:35,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-29 06:40:35,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:35,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-29 06:40:35,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:35,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:35,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:35,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 06:40:35,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:35,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-29 06:40:35,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:35,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:35,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:35,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:40:35,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-29 06:40:35,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:35,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-29 06:40:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:35,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:35,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:35,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-29 06:40:35,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:35,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-29 06:40:35,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:35,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:35,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:35,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-29 06:40:35,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:35,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:35,790 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 217 proven. 80 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-10-29 06:40:35,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [894402290] [2020-10-29 06:40:35,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:40:35,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:40:35,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291906384] [2020-10-29 06:40:35,792 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:40:35,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:40:35,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:40:35,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:40:35,793 INFO L87 Difference]: Start difference. First operand 3621 states and 4273 transitions. Second operand 7 states. [2020-10-29 06:40:37,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:40:37,977 INFO L93 Difference]: Finished difference Result 7705 states and 9155 transitions. [2020-10-29 06:40:37,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:40:37,978 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 371 [2020-10-29 06:40:37,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:40:37,994 INFO L225 Difference]: With dead ends: 7705 [2020-10-29 06:40:37,995 INFO L226 Difference]: Without dead ends: 4233 [2020-10-29 06:40:38,006 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-29 06:40:38,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4233 states. [2020-10-29 06:40:38,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4233 to 4221. [2020-10-29 06:40:38,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4221 states. [2020-10-29 06:40:38,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4221 states to 4221 states and 4960 transitions. [2020-10-29 06:40:38,138 INFO L78 Accepts]: Start accepts. Automaton has 4221 states and 4960 transitions. Word has length 371 [2020-10-29 06:40:38,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:40:38,138 INFO L481 AbstractCegarLoop]: Abstraction has 4221 states and 4960 transitions. [2020-10-29 06:40:38,138 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:40:38,139 INFO L276 IsEmpty]: Start isEmpty. Operand 4221 states and 4960 transitions. [2020-10-29 06:40:38,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2020-10-29 06:40:38,153 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:40:38,153 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:40:38,154 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-29 06:40:38,154 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:40:38,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:40:38,154 INFO L82 PathProgramCache]: Analyzing trace with hash -912778841, now seen corresponding path program 1 times [2020-10-29 06:40:38,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:40:38,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [535076454] [2020-10-29 06:40:38,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:40:38,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:38,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:38,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:39,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:39,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 409 [2020-10-29 06:40:39,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:40:39,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 849 [2020-10-29 06:40:39,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:39,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:39,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:39,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 354 [2020-10-29 06:40:39,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-29 06:40:39,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:39,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:40:39,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:39,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:39,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:39,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:40:39,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:39,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 06:40:39,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:39,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:39,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:39,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:39,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:39,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:39,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:40:39,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:39,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:39,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:39,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-29 06:40:39,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:39,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 06:40:39,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:39,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:39,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:39,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:39,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:39,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:39,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-29 06:40:39,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:39,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:39,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:39,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 06:40:39,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:39,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 06:40:39,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:39,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:39,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:39,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:39,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:39,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:39,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-10-29 06:40:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:39,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:39,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:39,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-29 06:40:39,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:39,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-29 06:40:39,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:39,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:39,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:40:39,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:39,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-29 06:40:39,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:39,507 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 138 proven. 3 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2020-10-29 06:40:39,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [535076454] [2020-10-29 06:40:39,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:40:39,508 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:40:39,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384547685] [2020-10-29 06:40:39,508 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:40:39,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:40:39,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:40:39,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:40:39,509 INFO L87 Difference]: Start difference. First operand 4221 states and 4960 transitions. Second operand 5 states. [2020-10-29 06:40:41,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:40:41,108 INFO L93 Difference]: Finished difference Result 9189 states and 10870 transitions. [2020-10-29 06:40:41,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:40:41,110 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 393 [2020-10-29 06:40:41,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:40:41,128 INFO L225 Difference]: With dead ends: 9189 [2020-10-29 06:40:41,129 INFO L226 Difference]: Without dead ends: 4972 [2020-10-29 06:40:41,144 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:40:41,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4972 states. [2020-10-29 06:40:41,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4972 to 4519. [2020-10-29 06:40:41,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4519 states. [2020-10-29 06:40:41,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4519 states to 4519 states and 5308 transitions. [2020-10-29 06:40:41,285 INFO L78 Accepts]: Start accepts. Automaton has 4519 states and 5308 transitions. Word has length 393 [2020-10-29 06:40:41,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:40:41,286 INFO L481 AbstractCegarLoop]: Abstraction has 4519 states and 5308 transitions. [2020-10-29 06:40:41,286 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:40:41,286 INFO L276 IsEmpty]: Start isEmpty. Operand 4519 states and 5308 transitions. [2020-10-29 06:40:41,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2020-10-29 06:40:41,394 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:40:41,394 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:40:41,394 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-29 06:40:41,395 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:40:41,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:40:41,395 INFO L82 PathProgramCache]: Analyzing trace with hash -2103774041, now seen corresponding path program 1 times [2020-10-29 06:40:41,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:40:41,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1500108854] [2020-10-29 06:40:41,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:40:41,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:41,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:41,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:42,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:42,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 409 [2020-10-29 06:40:42,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:40:42,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 660 [2020-10-29 06:40:42,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:42,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:42,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:42,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 354 [2020-10-29 06:40:42,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-29 06:40:42,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:42,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:40:42,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:42,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:42,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:42,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:40:42,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:42,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:40:42,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:42,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:42,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:42,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:42,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:42,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:42,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:40:42,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:42,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:42,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:42,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-29 06:40:42,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:42,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-29 06:40:42,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:42,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:42,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:42,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:42,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:42,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:42,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-29 06:40:42,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:42,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:42,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:42,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-29 06:40:42,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:42,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 06:40:42,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:42,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:42,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:42,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:42,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:42,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:42,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-10-29 06:40:42,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:42,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:42,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:42,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-29 06:40:42,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:42,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-29 06:40:42,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:42,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:42,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:40:42,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:42,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 06:40:42,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:42,535 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 138 proven. 3 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2020-10-29 06:40:42,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1500108854] [2020-10-29 06:40:42,536 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:40:42,536 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:40:42,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233847915] [2020-10-29 06:40:42,537 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:40:42,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:40:42,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:40:42,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:40:42,538 INFO L87 Difference]: Start difference. First operand 4519 states and 5308 transitions. Second operand 5 states. [2020-10-29 06:40:44,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:40:44,033 INFO L93 Difference]: Finished difference Result 5711 states and 6868 transitions. [2020-10-29 06:40:44,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:40:44,034 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 393 [2020-10-29 06:40:44,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:40:44,035 INFO L225 Difference]: With dead ends: 5711 [2020-10-29 06:40:44,036 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 06:40:44,050 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:40:44,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 06:40:44,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 06:40:44,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 06:40:44,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 06:40:44,051 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 393 [2020-10-29 06:40:44,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:40:44,051 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 06:40:44,051 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:40:44,052 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 06:40:44,052 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 06:40:44,052 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-29 06:40:44,054 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 06:40:45,813 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 363 DAG size of output: 252 [2020-10-29 06:40:47,874 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 252 [2020-10-29 06:40:48,014 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 24 [2020-10-29 06:40:49,411 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 239 DAG size of output: 50 [2020-10-29 06:40:51,210 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 290 DAG size of output: 61 [2020-10-29 06:40:52,047 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 46 [2020-10-29 06:40:53,410 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 239 DAG size of output: 50 [2020-10-29 06:40:53,415 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 06:40:53,415 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 06:40:53,415 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 06:40:53,415 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 06:40:53,415 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 06:40:53,416 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)|)) [2020-10-29 06:40:53,416 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 06:40:53,416 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-29 06:40:53,416 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-29 06:40:53,416 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-29 06:40:53,416 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-29 06:40:53,417 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-29 06:40:53,417 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-29 06:40:53,417 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-29 06:40:53,417 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-29 06:40:53,417 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-29 06:40:53,417 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-29 06:40:53,417 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-29 06:40:53,417 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-29 06:40:53,418 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-29 06:40:53,418 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,418 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,418 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,418 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,418 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,418 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,418 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-29 06:40:53,418 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-29 06:40:53,419 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-29 06:40:53,419 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-29 06:40:53,419 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-29 06:40:53,419 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-29 06:40:53,419 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-29 06:40:53,419 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-29 06:40:53,419 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-29 06:40:53,419 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-29 06:40:53,419 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-29 06:40:53,419 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,419 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,419 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,419 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,419 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,419 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-29 06:40:53,419 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-29 06:40:53,420 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-29 06:40:53,420 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-29 06:40:53,420 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-29 06:40:53,420 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-29 06:40:53,420 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-29 06:40:53,420 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-29 06:40:53,420 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-29 06:40:53,420 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-29 06:40:53,420 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-29 06:40:53,420 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-29 06:40:53,420 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-29 06:40:53,420 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-29 06:40:53,420 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,421 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,421 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,421 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,421 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,421 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-29 06:40:53,421 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-29 06:40:53,421 INFO L270 CegarLoopResult]: At program point L144(line 144) the Hoare annotation is: (let ((.cse3 (not (<= |old(~a10~0)| 1))) (.cse0 (not (= 9 |old(~a19~0)|))) (.cse2 (not (<= 0 (+ |old(~a1~0)| 12)))) (.cse1 (not (<= 1 |old(~a10~0)|))) (.cse5 (= 7 |old(~a19~0)|)) (.cse6 (not (<= |old(~a19~0)| 8))) (.cse4 (not (= 0 |old(~a10~0)|)))) (and (or .cse0 .cse1) (or .cse2 .cse1 .cse3) (or (not (<= 8 |old(~a19~0)|)) .cse1 .cse3) (or .cse0 .cse4) (or .cse5 .cse4 (not (<= |old(~a1~0)| 150)) .cse2) (not (= 2 |old(~a10~0)|)) (or .cse5 (not (<= (+ |old(~a1~0)| 75821) 0)) .cse4) (or .cse5 .cse6 .cse1) (or .cse5 .cse6 .cse4))) [2020-10-29 06:40:53,421 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-29 06:40:53,422 INFO L274 CegarLoopResult]: For program point L144-1(line 144) no Hoare annotation was computed. [2020-10-29 06:40:53,422 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-29 06:40:53,422 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-29 06:40:53,422 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-29 06:40:53,422 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-29 06:40:53,422 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-29 06:40:53,422 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-29 06:40:53,422 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,422 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,422 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,422 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,423 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,423 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-29 06:40:53,423 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-29 06:40:53,423 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-29 06:40:53,423 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-29 06:40:53,423 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-29 06:40:53,423 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-29 06:40:53,423 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-29 06:40:53,423 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-29 06:40:53,423 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-29 06:40:53,423 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-29 06:40:53,424 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-29 06:40:53,424 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-29 06:40:53,424 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-29 06:40:53,424 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,424 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,424 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,424 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,424 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,424 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-29 06:40:53,424 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-29 06:40:53,424 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-29 06:40:53,424 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-29 06:40:53,425 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-29 06:40:53,425 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,425 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,425 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-29 06:40:53,425 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-29 06:40:53,425 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-29 06:40:53,425 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-29 06:40:53,425 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,425 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,425 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,425 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,426 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,426 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-29 06:40:53,426 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-29 06:40:53,426 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-29 06:40:53,426 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-29 06:40:53,426 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-29 06:40:53,426 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-29 06:40:53,426 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-29 06:40:53,426 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-29 06:40:53,426 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-29 06:40:53,426 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-29 06:40:53,426 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-29 06:40:53,426 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-29 06:40:53,426 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-29 06:40:53,426 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,427 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,427 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,427 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,427 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-29 06:40:53,427 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,427 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,427 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-29 06:40:53,427 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-29 06:40:53,427 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-29 06:40:53,427 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-29 06:40:53,427 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-29 06:40:53,427 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-29 06:40:53,427 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-29 06:40:53,427 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-29 06:40:53,427 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-29 06:40:53,427 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-29 06:40:53,427 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-29 06:40:53,427 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-29 06:40:53,427 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-29 06:40:53,427 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,428 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,428 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,428 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,428 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,428 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,428 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-29 06:40:53,428 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse3 (not (<= 0 (+ |old(~a1~0)| 12)))) (.cse4 (not (= 9 |old(~a19~0)|))) (.cse0 (= 7 |old(~a19~0)|)) (.cse5 (not (<= |old(~a19~0)| 8))) (.cse2 (not (= 0 |old(~a10~0)|))) (.cse1 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse6 (not (<= 1 |old(~a10~0)|))) (.cse7 (not (<= |old(~a10~0)| 1)))) (and (or .cse0 .cse1 (not (<= (+ |old(~a1~0)| 75821) 0)) .cse2) (or .cse0 .cse1 .cse2 (not (<= |old(~a1~0)| 150)) .cse3) (or .cse4 .cse1 (not (<= 3 |old(~a10~0)|))) (or .cse0 .cse5 .cse1 .cse6) (or .cse1 .cse3 .cse6 .cse7) (or .cse1 (not (= 2 |old(~a10~0)|))) (or .cse4 .cse1 .cse2) (or .cse0 .cse5 .cse1 .cse2) (or (not (<= 9 |old(~a19~0)|)) .cse1 .cse6 .cse7))) [2020-10-29 06:40:53,428 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-29 06:40:53,428 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-29 06:40:53,428 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-29 06:40:53,429 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-29 06:40:53,429 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-29 06:40:53,429 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-29 06:40:53,429 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-29 06:40:53,429 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-29 06:40:53,429 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-29 06:40:53,429 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-29 06:40:53,429 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-29 06:40:53,429 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-29 06:40:53,429 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-29 06:40:53,429 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,429 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,429 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,429 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,429 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,430 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,430 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-29 06:40:53,430 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-29 06:40:53,430 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-29 06:40:53,430 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-29 06:40:53,430 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-29 06:40:53,430 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-29 06:40:53,430 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-29 06:40:53,430 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-29 06:40:53,430 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-29 06:40:53,430 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-29 06:40:53,430 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-29 06:40:53,430 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-29 06:40:53,430 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-29 06:40:53,430 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,430 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,430 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,431 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,431 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,431 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,431 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-29 06:40:53,431 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-29 06:40:53,431 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-29 06:40:53,431 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-29 06:40:53,431 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-29 06:40:53,431 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-29 06:40:53,431 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-29 06:40:53,431 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-29 06:40:53,431 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-29 06:40:53,431 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-29 06:40:53,431 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-29 06:40:53,431 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-29 06:40:53,431 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,431 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,431 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,431 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,432 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,432 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,432 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 06:40:53,432 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 0 (+ ~a1~0 12)) (= ~a10~0 0) (= ~a19~0 9) (<= ~a1~0 32)) [2020-10-29 06:40:53,432 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 06:40:53,432 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 06:40:53,432 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)|)) (not (<= |old(~a1~0)| 32)) (not (<= 0 (+ |old(~a1~0)| 12)))) [2020-10-29 06:40:53,432 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-10-29 06:40:53,432 INFO L270 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (let ((.cse1 (<= ~a19~0 8)) (.cse6 (= ~a19~0 9)) (.cse3 (<= 0 (+ ~a1~0 12))) (.cse0 (= ~a10~0 0)) (.cse2 (not (= 7 ~a19~0))) (.cse4 (<= 1 ~a10~0)) (.cse5 (<= ~a10~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5) (and .cse0 .cse6) (and .cse0 .cse2 (<= (+ ~a1~0 75821) 0)) (not (= 0 |old(~a10~0)|)) (and .cse4 .cse1 .cse2) (not (<= |old(~a1~0)| 32)) (and .cse4 .cse6) (= ~a10~0 2) (and .cse3 .cse0 (<= ~a1~0 150) .cse2) (not (= 9 |old(~a19~0)|)) (and (<= 9 ~a19~0) .cse4 .cse5) (not (<= 0 (+ |old(~a1~0)| 12))))) [2020-10-29 06:40:53,432 INFO L274 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-10-29 06:40:53,432 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-29 06:40:53,432 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse1 (<= ~a19~0 8)) (.cse6 (= ~a19~0 9)) (.cse3 (<= 0 (+ ~a1~0 12))) (.cse0 (= ~a10~0 0)) (.cse2 (not (= 7 ~a19~0))) (.cse4 (<= 1 ~a10~0)) (.cse5 (<= ~a10~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5) (and .cse0 .cse6) (and .cse0 .cse2 (<= (+ ~a1~0 75821) 0)) (not (= 0 |old(~a10~0)|)) (and .cse4 .cse1 .cse2) (not (<= |old(~a1~0)| 32)) (and .cse4 .cse6) (= ~a10~0 2) (and .cse3 .cse0 (<= ~a1~0 150) .cse2) (not (= 9 |old(~a19~0)|)) (and (<= 9 ~a19~0) .cse4 .cse5) (not (<= 0 (+ |old(~a1~0)| 12))))) [2020-10-29 06:40:53,433 INFO L274 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-10-29 06:40:53,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 06:40:53 BoogieIcfgContainer [2020-10-29 06:40:53,458 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 06:40:53,463 INFO L168 Benchmark]: Toolchain (without parser) took 103555.92 ms. Allocated memory was 166.7 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 140.8 MB in the beginning and 958.4 MB in the end (delta: -817.6 MB). Peak memory consumption was 754.6 MB. Max. memory is 8.0 GB. [2020-10-29 06:40:53,464 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 125.8 MB. Free memory is still 84.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 06:40:53,464 INFO L168 Benchmark]: CACSL2BoogieTranslator took 697.56 ms. Allocated memory is still 166.7 MB. Free memory was 140.2 MB in the beginning and 113.5 MB in the end (delta: 26.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-10-29 06:40:53,465 INFO L168 Benchmark]: Boogie Preprocessor took 127.53 ms. Allocated memory is still 166.7 MB. Free memory was 113.5 MB in the beginning and 108.7 MB in the end (delta: 4.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-29 06:40:53,465 INFO L168 Benchmark]: RCFGBuilder took 1615.25 ms. Allocated memory is still 166.7 MB. Free memory was 108.7 MB in the beginning and 56.1 MB in the end (delta: 52.7 MB). Peak memory consumption was 53.1 MB. Max. memory is 8.0 GB. [2020-10-29 06:40:53,469 INFO L168 Benchmark]: TraceAbstraction took 101097.63 ms. Allocated memory was 166.7 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 55.5 MB in the beginning and 958.4 MB in the end (delta: -902.8 MB). Peak memory consumption was 667.9 MB. Max. memory is 8.0 GB. [2020-10-29 06:40:53,474 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 125.8 MB. Free memory is still 84.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 697.56 ms. Allocated memory is still 166.7 MB. Free memory was 140.2 MB in the beginning and 113.5 MB in the end (delta: 26.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 127.53 ms. Allocated memory is still 166.7 MB. Free memory was 113.5 MB in the beginning and 108.7 MB in the end (delta: 4.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1615.25 ms. Allocated memory is still 166.7 MB. Free memory was 108.7 MB in the beginning and 56.1 MB in the end (delta: 52.7 MB). Peak memory consumption was 53.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 101097.63 ms. Allocated memory was 166.7 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 55.5 MB in the beginning and 958.4 MB in the end (delta: -902.8 MB). Peak memory consumption was 667.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: (((((((((((((a10 == 0 && a19 <= 8) && !(7 == a19)) || ((0 <= a1 + 12 && 1 <= a10) && a10 <= 1)) || (a10 == 0 && a19 == 9)) || ((a10 == 0 && !(7 == a19)) && a1 + 75821 <= 0)) || !(0 == \old(a10))) || ((1 <= a10 && a19 <= 8) && !(7 == a19))) || !(\old(a1) <= 32)) || (1 <= a10 && a19 == 9)) || a10 == 2) || (((0 <= a1 + 12 && a10 == 0) && a1 <= 150) && !(7 == a19))) || !(9 == \old(a19))) || ((9 <= a19 && 1 <= a10) && a10 <= 1)) || !(0 <= \old(a1) + 12) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 91.5s, OverallIterations: 16, TraceHistogramMax: 4, AutomataDifference: 35.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 449 SDtfs, 8993 SDslu, 581 SDs, 0 SdLazy, 14748 SolverSat, 2418 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 24.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 287 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4519occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 16 MinimizatonAttempts, 3305 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 854 PreInvPairs, 1040 NumberOfFragments, 630 HoareAnnotationTreeSize, 854 FomulaSimplifications, 1393305 FormulaSimplificationTreeSizeReduction, 3.8s HoareSimplificationTime, 9 FomulaSimplificationsInter, 108552 FormulaSimplificationTreeSizeReductionInter, 5.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 51.5s InterpolantComputationTime, 4265 NumberOfCodeBlocks, 4265 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 4249 ConstructedInterpolants, 0 QuantifiedInterpolants, 2619224 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 2 PerfectInterpolantSequences, 3671/3935 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...