/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/Problem14_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 07:27:10,105 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 07:27:10,108 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 07:27:10,165 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 07:27:10,166 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 07:27:10,173 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 07:27:10,177 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 07:27:10,182 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 07:27:10,185 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 07:27:10,192 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 07:27:10,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 07:27:10,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 07:27:10,196 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 07:27:10,200 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 07:27:10,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 07:27:10,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 07:27:10,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 07:27:10,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 07:27:10,221 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 07:27:10,230 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 07:27:10,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 07:27:10,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 07:27:10,236 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 07:27:10,238 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 07:27:10,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 07:27:10,247 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 07:27:10,248 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 07:27:10,250 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 07:27:10,251 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 07:27:10,252 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 07:27:10,253 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 07:27:10,254 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 07:27:10,256 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 07:27:10,257 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 07:27:10,258 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 07:27:10,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 07:27:10,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 07:27:10,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 07:27:10,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 07:27:10,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 07:27:10,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 07:27:10,265 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 07:27:10,316 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 07:27:10,316 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 07:27:10,318 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 07:27:10,319 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 07:27:10,319 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 07:27:10,319 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 07:27:10,319 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 07:27:10,319 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 07:27:10,320 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 07:27:10,320 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 07:27:10,320 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 07:27:10,320 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 07:27:10,320 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 07:27:10,321 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 07:27:10,321 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 07:27:10,321 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 07:27:10,321 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 07:27:10,322 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 07:27:10,322 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 07:27:10,322 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 07:27:10,322 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 07:27:10,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 07:27:10,323 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 07:27:10,323 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 07:27:10,323 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 07:27:10,323 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 07:27:10,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 07:27:10,324 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 07:27:10,324 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 07:27:10,324 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 07:27:10,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 07:27:10,809 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 07:27:10,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 07:27:10,814 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 07:27:10,815 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 07:27:10,816 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label05.c [2020-10-29 07:27:10,913 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/96481a2b3/941eac09178c40d09de2ed6073068ae4/FLAG8f70c8719 [2020-10-29 07:27:11,907 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 07:27:11,908 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label05.c [2020-10-29 07:27:11,925 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/96481a2b3/941eac09178c40d09de2ed6073068ae4/FLAG8f70c8719 [2020-10-29 07:27:12,057 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/96481a2b3/941eac09178c40d09de2ed6073068ae4 [2020-10-29 07:27:12,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 07:27:12,067 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 07:27:12,069 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 07:27:12,069 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 07:27:12,074 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 07:27:12,075 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 07:27:12" (1/1) ... [2020-10-29 07:27:12,078 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ec79b78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:27:12, skipping insertion in model container [2020-10-29 07:27:12,079 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 07:27:12" (1/1) ... [2020-10-29 07:27:12,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 07:27:12,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 07:27:12,706 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 07:27:12,719 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 07:27:13,047 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 07:27:13,072 INFO L208 MainTranslator]: Completed translation [2020-10-29 07:27:13,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:27:13 WrapperNode [2020-10-29 07:27:13,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 07:27:13,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 07:27:13,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 07:27:13,076 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 07:27:13,094 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:27:13" (1/1) ... [2020-10-29 07:27:13,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:27:13" (1/1) ... [2020-10-29 07:27:13,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:27:13" (1/1) ... [2020-10-29 07:27:13,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:27:13" (1/1) ... [2020-10-29 07:27:13,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:27:13" (1/1) ... [2020-10-29 07:27:13,248 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:27:13" (1/1) ... [2020-10-29 07:27:13,261 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:27:13" (1/1) ... [2020-10-29 07:27:13,272 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 07:27:13,273 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 07:27:13,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 07:27:13,273 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 07:27:13,275 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:27:13" (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 07:27:13,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 07:27:13,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 07:27:13,361 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 07:27:13,361 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 07:27:13,361 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 07:27:13,362 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 07:27:13,362 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 07:27:13,362 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 07:27:13,362 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 07:27:13,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 07:27:13,363 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 07:27:13,363 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 07:27:13,363 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 07:27:13,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 07:27:13,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 07:27:13,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 07:27:13,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 07:27:13,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 07:27:13,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 07:27:15,510 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 07:27:15,510 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 07:27:15,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 07:27:15 BoogieIcfgContainer [2020-10-29 07:27:15,514 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 07:27:15,516 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 07:27:15,516 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 07:27:15,521 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 07:27:15,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 07:27:12" (1/3) ... [2020-10-29 07:27:15,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24e5b048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 07:27:15, skipping insertion in model container [2020-10-29 07:27:15,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:27:13" (2/3) ... [2020-10-29 07:27:15,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24e5b048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 07:27:15, skipping insertion in model container [2020-10-29 07:27:15,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 07:27:15" (3/3) ... [2020-10-29 07:27:15,525 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label05.c [2020-10-29 07:27:15,540 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 07:27:15,546 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 07:27:15,562 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 07:27:15,595 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 07:27:15,595 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 07:27:15,595 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 07:27:15,595 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 07:27:15,596 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 07:27:15,596 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 07:27:15,596 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 07:27:15,596 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 07:27:15,623 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states. [2020-10-29 07:27:15,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-29 07:27:15,635 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:27:15,636 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:27:15,637 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:27:15,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:27:15,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1855047248, now seen corresponding path program 1 times [2020-10-29 07:27:15,658 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:27:15,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [693973563] [2020-10-29 07:27:15,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:27:15,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:16,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:16,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:16,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 07:27:16,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:16,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 797 [2020-10-29 07:27:16,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:16,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:16,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 07:27:16,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 07:27:16,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 07:27:16,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 07:27:17,012 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-10-29 07:27:17,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:27:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:17,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:17,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:17,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:27:17,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:17,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-29 07:27:17,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:17,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:17,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:27:17,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:27:17,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 07:27:17,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:27:17,126 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 07:27:17,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [693973563] [2020-10-29 07:27:17,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 07:27:17,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-29 07:27:17,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151857691] [2020-10-29 07:27:17,139 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 07:27:17,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:27:17,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 07:27:17,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 07:27:17,165 INFO L87 Difference]: Start difference. First operand 258 states. Second operand 4 states. [2020-10-29 07:27:17,364 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-10-29 07:27:20,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:27:20,136 INFO L93 Difference]: Finished difference Result 703 states and 1246 transitions. [2020-10-29 07:27:20,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 07:27:20,139 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 70 [2020-10-29 07:27:20,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:27:20,157 INFO L225 Difference]: With dead ends: 703 [2020-10-29 07:27:20,157 INFO L226 Difference]: Without dead ends: 381 [2020-10-29 07:27:20,170 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 07:27:20,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2020-10-29 07:27:20,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 377. [2020-10-29 07:27:20,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2020-10-29 07:27:20,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 553 transitions. [2020-10-29 07:27:20,304 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 553 transitions. Word has length 70 [2020-10-29 07:27:20,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:27:20,304 INFO L481 AbstractCegarLoop]: Abstraction has 377 states and 553 transitions. [2020-10-29 07:27:20,305 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 07:27:20,305 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 553 transitions. [2020-10-29 07:27:20,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-29 07:27:20,311 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:27:20,311 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:27:20,312 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 07:27:20,312 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:27:20,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:27:20,313 INFO L82 PathProgramCache]: Analyzing trace with hash 432634972, now seen corresponding path program 1 times [2020-10-29 07:27:20,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:27:20,314 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1482114038] [2020-10-29 07:27:20,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:27:20,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:20,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:20,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:21,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:22,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:22,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-29 07:27:22,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 07:27:22,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1710 [2020-10-29 07:27:22,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:22,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:22,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:27:22,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-29 07:27:22,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-29 07:27:22,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:27:22,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:27:22,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:22,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:22,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:22,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:27:22,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:22,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 07:27:22,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:22,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:22,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:27:22,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:27:22,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:27:22,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:27:22,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:27:22,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:22,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:22,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:22,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-29 07:27:22,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:22,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-29 07:27:22,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:22,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:22,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:27:22,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:27:22,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-29 07:27:22,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:27:22,428 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 61 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 07:27:22,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1482114038] [2020-10-29 07:27:22,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:27:22,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 07:27:22,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623893194] [2020-10-29 07:27:22,431 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 07:27:22,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:27:22,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 07:27:22,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-29 07:27:22,433 INFO L87 Difference]: Start difference. First operand 377 states and 553 transitions. Second operand 6 states. [2020-10-29 07:27:25,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:27:25,751 INFO L93 Difference]: Finished difference Result 1488 states and 2226 transitions. [2020-10-29 07:27:25,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 07:27:25,752 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 139 [2020-10-29 07:27:25,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:27:25,762 INFO L225 Difference]: With dead ends: 1488 [2020-10-29 07:27:25,763 INFO L226 Difference]: Without dead ends: 1117 [2020-10-29 07:27:25,765 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 07:27:25,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2020-10-29 07:27:25,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 1113. [2020-10-29 07:27:25,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1113 states. [2020-10-29 07:27:25,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 1113 states and 1544 transitions. [2020-10-29 07:27:25,847 INFO L78 Accepts]: Start accepts. Automaton has 1113 states and 1544 transitions. Word has length 139 [2020-10-29 07:27:25,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:27:25,848 INFO L481 AbstractCegarLoop]: Abstraction has 1113 states and 1544 transitions. [2020-10-29 07:27:25,848 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 07:27:25,848 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1544 transitions. [2020-10-29 07:27:25,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2020-10-29 07:27:25,856 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:27:25,856 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:27:25,856 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 07:27:25,856 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:27:25,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:27:25,857 INFO L82 PathProgramCache]: Analyzing trace with hash -2101651092, now seen corresponding path program 1 times [2020-10-29 07:27:25,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:27:25,858 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1889945060] [2020-10-29 07:27:25,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:27:25,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:25,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:26,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:26,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:27,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:28,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:30,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:30,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-29 07:27:30,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 07:27:30,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-29 07:27:30,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:30,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:30,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:27:30,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-29 07:27:30,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-29 07:27:30,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 07:27:31,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:27:31,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:31,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:31,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:31,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:27:31,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:31,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 07:27:31,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:31,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:31,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:27:31,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:27:31,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:27:31,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:31,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:27:31,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:31,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:31,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:31,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-29 07:27:31,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:31,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-29 07:27:31,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:31,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:31,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:27:31,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:27:31,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-29 07:27:31,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:31,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-29 07:27:31,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:31,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:31,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:31,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-29 07:27:31,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:31,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 209 [2020-10-29 07:27:31,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:31,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:31,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:27:31,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:27:31,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-29 07:27:31,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:31,647 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 190 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 07:27:31,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1889945060] [2020-10-29 07:27:31,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:27:31,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:27:31,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504923179] [2020-10-29 07:27:31,649 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:27:31,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:27:31,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:27:31,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:27:31,651 INFO L87 Difference]: Start difference. First operand 1113 states and 1544 transitions. Second operand 7 states. [2020-10-29 07:27:34,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:27:34,449 INFO L93 Difference]: Finished difference Result 2812 states and 4027 transitions. [2020-10-29 07:27:34,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 07:27:34,450 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 258 [2020-10-29 07:27:34,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:27:34,463 INFO L225 Difference]: With dead ends: 2812 [2020-10-29 07:27:34,463 INFO L226 Difference]: Without dead ends: 1705 [2020-10-29 07:27:34,467 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 07:27:34,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1705 states. [2020-10-29 07:27:34,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1705 to 1493. [2020-10-29 07:27:34,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1493 states. [2020-10-29 07:27:34,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1493 states and 1955 transitions. [2020-10-29 07:27:34,530 INFO L78 Accepts]: Start accepts. Automaton has 1493 states and 1955 transitions. Word has length 258 [2020-10-29 07:27:34,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:27:34,531 INFO L481 AbstractCegarLoop]: Abstraction has 1493 states and 1955 transitions. [2020-10-29 07:27:34,531 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:27:34,532 INFO L276 IsEmpty]: Start isEmpty. Operand 1493 states and 1955 transitions. [2020-10-29 07:27:34,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-10-29 07:27:34,536 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:27:34,537 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:27:34,537 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 07:27:34,537 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:27:34,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:27:34,538 INFO L82 PathProgramCache]: Analyzing trace with hash 1544715308, now seen corresponding path program 1 times [2020-10-29 07:27:34,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:27:34,538 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1696008075] [2020-10-29 07:27:34,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:27:34,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:34,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:34,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:34,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:35,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:39,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:39,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 283 [2020-10-29 07:27:39,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 07:27:39,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4487 [2020-10-29 07:27:39,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:39,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:39,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:27:39,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-29 07:27:39,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-29 07:27:39,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:39,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:27:39,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:39,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:39,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:39,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:27:39,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:39,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 07:27:39,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:39,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:39,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:27:39,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:27:39,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:27:39,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:27:39,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:27:39,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:39,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:39,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:39,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-29 07:27:39,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:39,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-29 07:27:39,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:39,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:39,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:27:39,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:27:39,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-29 07:27:39,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:27:39,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-29 07:27:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:39,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:39,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:39,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-29 07:27:39,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:39,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 317 [2020-10-29 07:27:39,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:39,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:39,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:27:39,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:27:39,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-29 07:27:39,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:27:40,119 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 190 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 07:27:40,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1696008075] [2020-10-29 07:27:40,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:27:40,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:27:40,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131638738] [2020-10-29 07:27:40,122 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:27:40,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:27:40,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:27:40,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:27:40,123 INFO L87 Difference]: Start difference. First operand 1493 states and 1955 transitions. Second operand 7 states. [2020-10-29 07:27:43,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:27:43,097 INFO L93 Difference]: Finished difference Result 3268 states and 4498 transitions. [2020-10-29 07:27:43,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 07:27:43,098 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 269 [2020-10-29 07:27:43,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:27:43,115 INFO L225 Difference]: With dead ends: 3268 [2020-10-29 07:27:43,115 INFO L226 Difference]: Without dead ends: 1585 [2020-10-29 07:27:43,122 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-29 07:27:43,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1585 states. [2020-10-29 07:27:43,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1585 to 1497. [2020-10-29 07:27:43,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1497 states. [2020-10-29 07:27:43,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1497 states and 1848 transitions. [2020-10-29 07:27:43,202 INFO L78 Accepts]: Start accepts. Automaton has 1497 states and 1848 transitions. Word has length 269 [2020-10-29 07:27:43,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:27:43,204 INFO L481 AbstractCegarLoop]: Abstraction has 1497 states and 1848 transitions. [2020-10-29 07:27:43,204 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:27:43,204 INFO L276 IsEmpty]: Start isEmpty. Operand 1497 states and 1848 transitions. [2020-10-29 07:27:43,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-10-29 07:27:43,209 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:27:43,210 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:27:43,210 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 07:27:43,210 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:27:43,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:27:43,211 INFO L82 PathProgramCache]: Analyzing trace with hash 672161828, now seen corresponding path program 1 times [2020-10-29 07:27:43,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:27:43,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1926929148] [2020-10-29 07:27:43,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:27:43,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:43,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:43,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:43,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:45,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:48,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:48,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-10-29 07:27:48,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 07:27:48,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-29 07:27:48,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:48,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:48,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:27:48,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-29 07:27:48,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-29 07:27:48,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 07:27:48,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:27:48,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:48,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:48,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:48,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:27:48,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:48,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 07:27:48,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:48,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:48,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:27:48,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:27:48,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:27:48,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 07:27:48,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:27:48,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:48,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:48,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:48,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-29 07:27:48,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:48,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-29 07:27:48,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:48,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:48,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:27:48,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:27:48,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-29 07:27:48,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:27:48,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-29 07:27:48,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:48,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:48,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:48,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-29 07:27:48,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:48,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 231 [2020-10-29 07:27:48,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:48,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:48,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:27:48,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:27:48,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-29 07:27:48,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:49,175 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 194 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 07:27:49,176 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1926929148] [2020-10-29 07:27:49,176 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:27:49,176 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:27:49,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943393591] [2020-10-29 07:27:49,178 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:27:49,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:27:49,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:27:49,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:27:49,179 INFO L87 Difference]: Start difference. First operand 1497 states and 1848 transitions. Second operand 7 states. [2020-10-29 07:27:51,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:27:51,490 INFO L93 Difference]: Finished difference Result 3196 states and 3939 transitions. [2020-10-29 07:27:51,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 07:27:51,491 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 273 [2020-10-29 07:27:51,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:27:51,501 INFO L225 Difference]: With dead ends: 3196 [2020-10-29 07:27:51,501 INFO L226 Difference]: Without dead ends: 1513 [2020-10-29 07:27:51,507 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-29 07:27:51,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1513 states. [2020-10-29 07:27:51,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1513 to 1493. [2020-10-29 07:27:51,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1493 states. [2020-10-29 07:27:51,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1493 states and 1662 transitions. [2020-10-29 07:27:51,572 INFO L78 Accepts]: Start accepts. Automaton has 1493 states and 1662 transitions. Word has length 273 [2020-10-29 07:27:51,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:27:51,572 INFO L481 AbstractCegarLoop]: Abstraction has 1493 states and 1662 transitions. [2020-10-29 07:27:51,572 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:27:51,572 INFO L276 IsEmpty]: Start isEmpty. Operand 1493 states and 1662 transitions. [2020-10-29 07:27:51,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2020-10-29 07:27:51,581 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:27:51,581 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:27:51,582 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 07:27:51,582 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:27:51,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:27:51,582 INFO L82 PathProgramCache]: Analyzing trace with hash -1343024440, now seen corresponding path program 1 times [2020-10-29 07:27:51,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:27:51,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1881182028] [2020-10-29 07:27:51,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:27:51,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:51,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:51,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:52,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:55,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:56,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:56,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:56,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 382 [2020-10-29 07:27:56,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 07:27:56,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5052 [2020-10-29 07:27:56,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:56,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:56,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 07:27:56,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 07:27:56,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 185 [2020-10-29 07:27:56,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:27:56,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:27:56,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:56,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:56,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:56,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:27:56,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:56,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 07:27:56,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:56,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:56,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:27:56,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:27:56,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 07:27:56,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:56,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:27:56,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:56,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:57,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:57,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:27:57,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:57,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 212 [2020-10-29 07:27:57,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:57,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:57,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:27:57,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:27:57,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-29 07:27:57,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:27:57,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-29 07:27:57,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:57,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:57,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:27:57,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-29 07:27:57,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:27:57,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-29 07:27:57,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:27:57,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:27:57,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:27:57,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-29 07:27:57,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:27:57,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:27:57,579 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 124 proven. 114 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-29 07:27:57,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1881182028] [2020-10-29 07:27:57,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:27:57,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:27:57,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350420159] [2020-10-29 07:27:57,581 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:27:57,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:27:57,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:27:57,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:27:57,582 INFO L87 Difference]: Start difference. First operand 1493 states and 1662 transitions. Second operand 7 states. [2020-10-29 07:27:59,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:27:59,489 INFO L93 Difference]: Finished difference Result 3544 states and 3955 transitions. [2020-10-29 07:27:59,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 07:27:59,493 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 368 [2020-10-29 07:27:59,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:27:59,504 INFO L225 Difference]: With dead ends: 3544 [2020-10-29 07:27:59,504 INFO L226 Difference]: Without dead ends: 2057 [2020-10-29 07:27:59,509 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 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 07:27:59,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2057 states. [2020-10-29 07:27:59,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2057 to 2049. [2020-10-29 07:27:59,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2049 states. [2020-10-29 07:27:59,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2049 states to 2049 states and 2250 transitions. [2020-10-29 07:27:59,586 INFO L78 Accepts]: Start accepts. Automaton has 2049 states and 2250 transitions. Word has length 368 [2020-10-29 07:27:59,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:27:59,587 INFO L481 AbstractCegarLoop]: Abstraction has 2049 states and 2250 transitions. [2020-10-29 07:27:59,587 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:27:59,587 INFO L276 IsEmpty]: Start isEmpty. Operand 2049 states and 2250 transitions. [2020-10-29 07:27:59,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2020-10-29 07:27:59,599 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:27:59,600 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:27:59,600 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 07:27:59,600 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:27:59,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:27:59,601 INFO L82 PathProgramCache]: Analyzing trace with hash 1610396036, now seen corresponding path program 1 times [2020-10-29 07:27:59,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:27:59,603 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [109272212] [2020-10-29 07:27:59,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:27:59,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:27:59,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:27:59,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:00,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:00,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:04,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:04,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 493 [2020-10-29 07:28:04,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 07:28:04,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 07:28:04,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:04,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:04,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:28:04,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-10-29 07:28:04,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-29 07:28:04,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 07:28:04,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:28:04,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:04,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:04,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:04,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:28:04,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:04,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 07:28:04,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:04,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:04,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:04,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:04,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:04,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:04,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:28:04,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:04,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:04,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:04,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:28:04,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:04,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-29 07:28:04,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:04,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:04,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:28:04,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:04,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-29 07:28:04,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:05,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-29 07:28:05,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:05,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:05,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:05,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:28:05,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:05,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 233 [2020-10-29 07:28:05,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:05,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:05,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:28:05,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:28:05,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-29 07:28:05,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:05,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2020-10-29 07:28:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:05,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:05,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:05,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-29 07:28:05,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:05,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-29 07:28:05,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:05,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:05,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:05,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-29 07:28:05,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:05,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:05,972 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 296 proven. 118 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2020-10-29 07:28:05,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [109272212] [2020-10-29 07:28:05,973 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:28:05,973 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:28:05,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601844984] [2020-10-29 07:28:05,974 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:28:05,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:28:05,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:28:05,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:28:05,975 INFO L87 Difference]: Start difference. First operand 2049 states and 2250 transitions. Second operand 7 states. [2020-10-29 07:28:07,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:28:07,770 INFO L93 Difference]: Finished difference Result 3742 states and 4149 transitions. [2020-10-29 07:28:07,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 07:28:07,771 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 477 [2020-10-29 07:28:07,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:28:07,782 INFO L225 Difference]: With dead ends: 3742 [2020-10-29 07:28:07,782 INFO L226 Difference]: Without dead ends: 2065 [2020-10-29 07:28:07,787 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-29 07:28:07,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2065 states. [2020-10-29 07:28:07,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2065 to 2055. [2020-10-29 07:28:07,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2055 states. [2020-10-29 07:28:07,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2055 states to 2055 states and 2207 transitions. [2020-10-29 07:28:07,849 INFO L78 Accepts]: Start accepts. Automaton has 2055 states and 2207 transitions. Word has length 477 [2020-10-29 07:28:07,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:28:07,849 INFO L481 AbstractCegarLoop]: Abstraction has 2055 states and 2207 transitions. [2020-10-29 07:28:07,849 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:28:07,850 INFO L276 IsEmpty]: Start isEmpty. Operand 2055 states and 2207 transitions. [2020-10-29 07:28:07,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 612 [2020-10-29 07:28:07,867 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:28:07,868 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:28:07,868 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 07:28:07,868 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:28:07,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:28:07,869 INFO L82 PathProgramCache]: Analyzing trace with hash -1400461732, now seen corresponding path program 1 times [2020-10-29 07:28:07,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:28:07,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2109999912] [2020-10-29 07:28:07,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:28:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:07,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:08,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:08,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:10,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:10,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:12,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:12,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 629 [2020-10-29 07:28:12,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 07:28:12,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-29 07:28:12,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:12,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:12,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:28:12,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 255 [2020-10-29 07:28:12,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-29 07:28:12,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:28:13,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:28:13,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:13,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:13,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:13,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:28:13,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:13,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 07:28:13,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:13,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:13,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:13,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:13,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:13,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:13,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:28:13,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:13,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:13,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:13,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:28:13,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:13,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 07:28:13,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:13,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:13,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:13,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:13,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:13,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:13,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:28:13,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:13,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:13,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:13,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-29 07:28:13,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:13,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-29 07:28:13,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:13,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:13,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:28:13,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:13,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-29 07:28:13,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:13,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-10-29 07:28:13,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:13,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:13,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:13,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:28:13,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:13,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-29 07:28:13,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:13,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:13,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:28:13,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:28:13,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-29 07:28:13,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:13,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2020-10-29 07:28:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:13,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:13,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:13,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-29 07:28:13,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:13,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-29 07:28:13,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:13,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:13,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:13,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-29 07:28:13,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:13,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:13,984 INFO L134 CoverageAnalysis]: Checked inductivity of 949 backedges. 498 proven. 118 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2020-10-29 07:28:13,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2109999912] [2020-10-29 07:28:13,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:28:13,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:28:13,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042726596] [2020-10-29 07:28:13,986 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:28:13,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:28:13,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:28:13,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:28:13,988 INFO L87 Difference]: Start difference. First operand 2055 states and 2207 transitions. Second operand 7 states. [2020-10-29 07:28:16,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:28:16,233 INFO L93 Difference]: Finished difference Result 4128 states and 4524 transitions. [2020-10-29 07:28:16,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 07:28:16,235 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 611 [2020-10-29 07:28:16,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:28:16,247 INFO L225 Difference]: With dead ends: 4128 [2020-10-29 07:28:16,248 INFO L226 Difference]: Without dead ends: 2445 [2020-10-29 07:28:16,253 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 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 07:28:16,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2445 states. [2020-10-29 07:28:16,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2445 to 2437. [2020-10-29 07:28:16,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2437 states. [2020-10-29 07:28:16,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2437 states to 2437 states and 2642 transitions. [2020-10-29 07:28:16,322 INFO L78 Accepts]: Start accepts. Automaton has 2437 states and 2642 transitions. Word has length 611 [2020-10-29 07:28:16,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:28:16,324 INFO L481 AbstractCegarLoop]: Abstraction has 2437 states and 2642 transitions. [2020-10-29 07:28:16,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:28:16,324 INFO L276 IsEmpty]: Start isEmpty. Operand 2437 states and 2642 transitions. [2020-10-29 07:28:16,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 705 [2020-10-29 07:28:16,349 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:28:16,350 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:28:16,350 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 07:28:16,350 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:28:16,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:28:16,351 INFO L82 PathProgramCache]: Analyzing trace with hash 1861605424, now seen corresponding path program 1 times [2020-10-29 07:28:16,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:28:16,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1182282859] [2020-10-29 07:28:16,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:28:16,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:16,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:16,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:17,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:19,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:19,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:20,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:21,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:21,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 724 [2020-10-29 07:28:21,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 07:28:21,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-29 07:28:21,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:21,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:21,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 07:28:21,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 231 [2020-10-29 07:28:21,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 301 [2020-10-29 07:28:21,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:21,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:28:21,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:21,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:21,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:21,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:28:21,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:21,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 07:28:21,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:21,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:21,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:21,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:21,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:21,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:21,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:28:21,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:21,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:21,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:21,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:28:21,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:21,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 07:28:21,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:21,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:21,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:21,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:21,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:21,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:21,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:28:21,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:21,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:21,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:21,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:28:21,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:21,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-29 07:28:21,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:21,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:21,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:28:21,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:21,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-29 07:28:21,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:21,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:28:21,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:21,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:21,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:21,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-29 07:28:21,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:21,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-29 07:28:21,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:21,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:21,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:28:21,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:28:21,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-29 07:28:21,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:28:22,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-29 07:28:22,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:22,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:22,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:22,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:28:22,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:22,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-10-29 07:28:22,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:22,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:22,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:28:22,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:28:22,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-29 07:28:22,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:22,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2020-10-29 07:28:22,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:22,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:22,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:22,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-29 07:28:22,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:22,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-29 07:28:22,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:22,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:22,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:22,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-29 07:28:22,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:22,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:22,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1429 backedges. 755 proven. 234 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2020-10-29 07:28:22,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1182282859] [2020-10-29 07:28:22,705 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:28:22,705 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:28:22,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155809655] [2020-10-29 07:28:22,707 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:28:22,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:28:22,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:28:22,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:28:22,709 INFO L87 Difference]: Start difference. First operand 2437 states and 2642 transitions. Second operand 7 states. [2020-10-29 07:28:24,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:28:24,583 INFO L93 Difference]: Finished difference Result 5442 states and 6017 transitions. [2020-10-29 07:28:24,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 07:28:24,584 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 704 [2020-10-29 07:28:24,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:28:24,602 INFO L225 Difference]: With dead ends: 5442 [2020-10-29 07:28:24,602 INFO L226 Difference]: Without dead ends: 3377 [2020-10-29 07:28:24,608 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 07:28:24,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3377 states. [2020-10-29 07:28:24,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3377 to 3363. [2020-10-29 07:28:24,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3363 states. [2020-10-29 07:28:24,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3363 states to 3363 states and 3659 transitions. [2020-10-29 07:28:24,708 INFO L78 Accepts]: Start accepts. Automaton has 3363 states and 3659 transitions. Word has length 704 [2020-10-29 07:28:24,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:28:24,709 INFO L481 AbstractCegarLoop]: Abstraction has 3363 states and 3659 transitions. [2020-10-29 07:28:24,710 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:28:24,710 INFO L276 IsEmpty]: Start isEmpty. Operand 3363 states and 3659 transitions. [2020-10-29 07:28:24,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 789 [2020-10-29 07:28:24,721 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:28:24,722 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:28:24,722 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 07:28:24,722 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:28:24,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:28:24,723 INFO L82 PathProgramCache]: Analyzing trace with hash -989522968, now seen corresponding path program 1 times [2020-10-29 07:28:24,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:28:24,723 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [748691487] [2020-10-29 07:28:24,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:28:24,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:24,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:24,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:25,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:25,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:27,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:29,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:29,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 808 [2020-10-29 07:28:29,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 07:28:29,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-29 07:28:29,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:29,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:29,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:28:29,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-29 07:28:29,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-29 07:28:29,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:29,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:28:29,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:29,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:29,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:29,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:28:29,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:29,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 07:28:29,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:29,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:29,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:29,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:29,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:29,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:29,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:28:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:29,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:30,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:30,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:28:30,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:30,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-29 07:28:30,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:30,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:30,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:28:30,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:30,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-29 07:28:30,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:30,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:28:30,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:30,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:30,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:30,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-29 07:28:30,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:30,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-29 07:28:30,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:30,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:30,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:28:30,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:28:30,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-29 07:28:30,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:30,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-10-29 07:28:30,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:30,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:30,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:30,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-29 07:28:30,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:30,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-29 07:28:30,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:30,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:30,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:30,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 175 [2020-10-29 07:28:30,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:30,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:30,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2020-10-29 07:28:30,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:30,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:30,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:30,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:28:30,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:30,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-29 07:28:30,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:30,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:30,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:30,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-29 07:28:30,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:30,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:30,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2020-10-29 07:28:30,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:30,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:30,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:30,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-29 07:28:30,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:30,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-29 07:28:30,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:30,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:30,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:30,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-29 07:28:30,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:30,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:31,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1550 backedges. 429 proven. 378 refuted. 0 times theorem prover too weak. 743 trivial. 0 not checked. [2020-10-29 07:28:31,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [748691487] [2020-10-29 07:28:31,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:28:31,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:28:31,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726005317] [2020-10-29 07:28:31,343 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:28:31,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:28:31,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:28:31,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:28:31,344 INFO L87 Difference]: Start difference. First operand 3363 states and 3659 transitions. Second operand 7 states. [2020-10-29 07:28:33,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:28:33,130 INFO L93 Difference]: Finished difference Result 6550 states and 7144 transitions. [2020-10-29 07:28:33,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 07:28:33,134 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 788 [2020-10-29 07:28:33,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:28:33,150 INFO L225 Difference]: With dead ends: 6550 [2020-10-29 07:28:33,150 INFO L226 Difference]: Without dead ends: 3559 [2020-10-29 07:28:33,158 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 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 07:28:33,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3559 states. [2020-10-29 07:28:33,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3559 to 3363. [2020-10-29 07:28:33,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3363 states. [2020-10-29 07:28:33,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3363 states to 3363 states and 3657 transitions. [2020-10-29 07:28:33,245 INFO L78 Accepts]: Start accepts. Automaton has 3363 states and 3657 transitions. Word has length 788 [2020-10-29 07:28:33,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:28:33,246 INFO L481 AbstractCegarLoop]: Abstraction has 3363 states and 3657 transitions. [2020-10-29 07:28:33,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:28:33,246 INFO L276 IsEmpty]: Start isEmpty. Operand 3363 states and 3657 transitions. [2020-10-29 07:28:33,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 864 [2020-10-29 07:28:33,259 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:28:33,260 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:28:33,260 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 07:28:33,260 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:28:33,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:28:33,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1561922744, now seen corresponding path program 1 times [2020-10-29 07:28:33,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:28:33,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1389296595] [2020-10-29 07:28:33,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:28:33,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:33,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:33,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:33,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:34,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:38,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:38,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 885 [2020-10-29 07:28:38,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 07:28:38,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-29 07:28:38,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:38,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:38,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:28:38,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 511 [2020-10-29 07:28:38,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-29 07:28:38,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:38,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:28:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:38,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:38,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:38,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:28:38,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:38,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 07:28:38,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:38,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:38,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:38,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:38,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:38,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:38,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:28:38,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:38,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:38,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:38,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:28:38,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:38,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 07:28:38,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:38,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:38,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:38,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:38,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:38,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:38,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:28:38,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:38,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:38,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:38,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:28:38,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:38,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 07:28:38,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:38,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:38,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:38,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:38,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:38,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:38,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:28:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:38,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:38,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:38,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-29 07:28:38,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:38,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 07:28:38,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:38,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:38,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:38,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:38,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:38,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:38,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-29 07:28:38,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:38,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:38,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:38,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-29 07:28:38,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:38,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-29 07:28:38,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:38,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:38,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:28:38,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:38,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-29 07:28:38,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:38,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-29 07:28:38,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:38,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:39,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:39,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:28:39,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:39,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-29 07:28:39,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:39,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:39,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:28:39,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:28:39,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-29 07:28:39,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:39,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2020-10-29 07:28:39,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:39,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:39,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:39,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-29 07:28:39,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:39,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-29 07:28:39,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:39,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:39,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:39,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-29 07:28:39,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:39,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:39,712 INFO L134 CoverageAnalysis]: Checked inductivity of 2105 backedges. 886 proven. 118 refuted. 0 times theorem prover too weak. 1101 trivial. 0 not checked. [2020-10-29 07:28:39,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1389296595] [2020-10-29 07:28:39,712 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:28:39,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:28:39,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994921302] [2020-10-29 07:28:39,713 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:28:39,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:28:39,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:28:39,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:28:39,714 INFO L87 Difference]: Start difference. First operand 3363 states and 3657 transitions. Second operand 7 states. [2020-10-29 07:28:41,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:28:41,657 INFO L93 Difference]: Finished difference Result 7656 states and 8455 transitions. [2020-10-29 07:28:41,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 07:28:41,658 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 863 [2020-10-29 07:28:41,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:28:41,686 INFO L225 Difference]: With dead ends: 7656 [2020-10-29 07:28:41,687 INFO L226 Difference]: Without dead ends: 4483 [2020-10-29 07:28:41,695 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 07:28:41,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4483 states. [2020-10-29 07:28:41,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4483 to 4283. [2020-10-29 07:28:41,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4283 states. [2020-10-29 07:28:41,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4283 states to 4283 states and 4746 transitions. [2020-10-29 07:28:41,889 INFO L78 Accepts]: Start accepts. Automaton has 4283 states and 4746 transitions. Word has length 863 [2020-10-29 07:28:41,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:28:41,890 INFO L481 AbstractCegarLoop]: Abstraction has 4283 states and 4746 transitions. [2020-10-29 07:28:41,891 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:28:41,891 INFO L276 IsEmpty]: Start isEmpty. Operand 4283 states and 4746 transitions. [2020-10-29 07:28:41,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 940 [2020-10-29 07:28:41,909 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:28:41,910 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:28:41,910 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 07:28:41,910 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:28:41,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:28:41,911 INFO L82 PathProgramCache]: Analyzing trace with hash -1883796364, now seen corresponding path program 1 times [2020-10-29 07:28:41,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:28:41,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [323637367] [2020-10-29 07:28:41,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:28:42,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:42,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:42,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:43,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:45,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:47,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:47,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 963 [2020-10-29 07:28:47,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 07:28:47,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-29 07:28:47,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:47,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:47,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:28:47,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 770 [2020-10-29 07:28:47,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-29 07:28:47,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:47,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:28:47,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:47,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:47,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:47,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:28:47,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:47,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 07:28:47,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:47,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:47,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:47,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:47,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:47,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:47,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:28:47,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:47,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:47,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:47,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:28:47,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:47,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 07:28:47,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:47,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:47,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:47,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:47,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:47,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:47,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:28:47,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:47,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:47,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:47,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:28:47,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:47,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 07:28:47,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:47,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:47,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:47,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:47,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:47,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:47,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:28:47,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:47,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:47,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:47,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-29 07:28:47,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:47,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 07:28:47,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:47,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:47,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:47,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:47,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:47,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:47,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-29 07:28:47,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:47,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:47,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:47,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-29 07:28:47,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:47,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 07:28:47,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:47,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:47,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:47,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:47,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:47,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:47,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-29 07:28:47,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:47,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:47,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:47,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 07:28:47,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:47,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 07:28:47,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:47,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:47,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:47,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:47,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:47,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:47,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2020-10-29 07:28:47,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:47,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:47,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:47,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:28:47,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:47,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-29 07:28:47,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:47,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:47,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:28:47,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:47,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-29 07:28:47,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:47,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 758 [2020-10-29 07:28:47,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:47,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:47,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:47,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-29 07:28:47,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:47,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-10-29 07:28:47,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:47,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:47,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:28:47,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:28:47,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-29 07:28:47,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:48,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2623 backedges. 1091 proven. 2 refuted. 0 times theorem prover too weak. 1530 trivial. 0 not checked. [2020-10-29 07:28:48,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [323637367] [2020-10-29 07:28:48,634 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:28:48,634 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:28:48,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839012203] [2020-10-29 07:28:48,635 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:28:48,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:28:48,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:28:48,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:28:48,636 INFO L87 Difference]: Start difference. First operand 4283 states and 4746 transitions. Second operand 7 states. [2020-10-29 07:28:50,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:28:50,567 INFO L93 Difference]: Finished difference Result 9118 states and 10242 transitions. [2020-10-29 07:28:50,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 07:28:50,571 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 939 [2020-10-29 07:28:50,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:28:50,592 INFO L225 Difference]: With dead ends: 9118 [2020-10-29 07:28:50,592 INFO L226 Difference]: Without dead ends: 5025 [2020-10-29 07:28:50,603 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-29 07:28:50,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5025 states. [2020-10-29 07:28:50,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5025 to 5019. [2020-10-29 07:28:50,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5019 states. [2020-10-29 07:28:50,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5019 states to 5019 states and 5539 transitions. [2020-10-29 07:28:50,805 INFO L78 Accepts]: Start accepts. Automaton has 5019 states and 5539 transitions. Word has length 939 [2020-10-29 07:28:50,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:28:50,806 INFO L481 AbstractCegarLoop]: Abstraction has 5019 states and 5539 transitions. [2020-10-29 07:28:50,806 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:28:50,807 INFO L276 IsEmpty]: Start isEmpty. Operand 5019 states and 5539 transitions. [2020-10-29 07:28:50,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1037 [2020-10-29 07:28:50,824 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:28:50,824 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:28:50,825 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-29 07:28:50,825 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:28:50,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:28:50,826 INFO L82 PathProgramCache]: Analyzing trace with hash 599034536, now seen corresponding path program 1 times [2020-10-29 07:28:50,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:28:50,826 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1480632694] [2020-10-29 07:28:50,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:28:50,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:51,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:51,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:52,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:55,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:55,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1062 [2020-10-29 07:28:55,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 07:28:55,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-29 07:28:55,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:55,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:55,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 07:28:55,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 607 [2020-10-29 07:28:55,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 263 [2020-10-29 07:28:55,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:56,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:28:56,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:56,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:56,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:56,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:28:56,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:56,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 07:28:56,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:56,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:56,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:56,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:56,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:56,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:56,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:28:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:56,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:56,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:56,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:28:56,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:56,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-29 07:28:56,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:56,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:56,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:56,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:56,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:56,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:56,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:28:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:56,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:56,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:56,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:28:56,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:56,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 07:28:56,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:56,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:56,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:56,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:56,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:56,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:56,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:28:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:56,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:56,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:56,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-29 07:28:56,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:56,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 07:28:56,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:56,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:56,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:56,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:56,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:56,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:56,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-29 07:28:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:56,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:56,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:56,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-29 07:28:56,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:56,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 07:28:56,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:56,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:56,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:56,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:56,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:56,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:56,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2020-10-29 07:28:56,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:56,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:56,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:56,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 07:28:56,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:56,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-29 07:28:56,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:56,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:56,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:28:56,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:28:56,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 07:28:56,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:56,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2020-10-29 07:28:56,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:56,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:56,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:56,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:28:56,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:56,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 164 [2020-10-29 07:28:56,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:56,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:56,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 07:28:56,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:28:56,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-29 07:28:56,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:56,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2020-10-29 07:28:56,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:56,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:56,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:56,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 07:28:56,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:56,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-29 07:28:56,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:56,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:56,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:28:56,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:28:56,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-29 07:28:56,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:56,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 855 [2020-10-29 07:28:56,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:28:56,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:28:56,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:28:56,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-29 07:28:56,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:28:56,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-29 07:28:56,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:28:56,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:28:56,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:28:56,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-29 07:28:56,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:28:56,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:28:57,626 INFO L134 CoverageAnalysis]: Checked inductivity of 3253 backedges. 1503 proven. 196 refuted. 0 times theorem prover too weak. 1554 trivial. 0 not checked. [2020-10-29 07:28:57,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1480632694] [2020-10-29 07:28:57,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:28:57,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-29 07:28:57,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139630000] [2020-10-29 07:28:57,628 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 07:28:57,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:28:57,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 07:28:57,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-29 07:28:57,629 INFO L87 Difference]: Start difference. First operand 5019 states and 5539 transitions. Second operand 9 states. [2020-10-29 07:29:01,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:29:01,189 INFO L93 Difference]: Finished difference Result 11332 states and 12641 transitions. [2020-10-29 07:29:01,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-29 07:29:01,194 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1036 [2020-10-29 07:29:01,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:29:01,221 INFO L225 Difference]: With dead ends: 11332 [2020-10-29 07:29:01,222 INFO L226 Difference]: Without dead ends: 6503 [2020-10-29 07:29:01,233 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2020-10-29 07:29:01,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6503 states. [2020-10-29 07:29:01,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6503 to 6311. [2020-10-29 07:29:01,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6311 states. [2020-10-29 07:29:01,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6311 states to 6311 states and 7055 transitions. [2020-10-29 07:29:01,469 INFO L78 Accepts]: Start accepts. Automaton has 6311 states and 7055 transitions. Word has length 1036 [2020-10-29 07:29:01,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:29:01,471 INFO L481 AbstractCegarLoop]: Abstraction has 6311 states and 7055 transitions. [2020-10-29 07:29:01,471 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 07:29:01,471 INFO L276 IsEmpty]: Start isEmpty. Operand 6311 states and 7055 transitions. [2020-10-29 07:29:01,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1087 [2020-10-29 07:29:01,495 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:29:01,496 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:29:01,496 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-29 07:29:01,496 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:29:01,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:29:01,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1556051632, now seen corresponding path program 1 times [2020-10-29 07:29:01,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:29:01,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1610513788] [2020-10-29 07:29:01,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:29:01,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:01,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:02,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:04,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:04,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:04,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:06,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:06,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1112 [2020-10-29 07:29:06,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 07:29:06,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5078 [2020-10-29 07:29:06,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:06,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:06,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 07:29:06,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 607 [2020-10-29 07:29:06,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 434 [2020-10-29 07:29:06,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:07,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:29:07,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:07,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:07,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:07,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:29:07,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:07,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 07:29:07,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:07,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:07,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:07,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:07,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:07,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:07,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:29:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:07,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:07,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:07,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:29:07,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:07,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 07:29:07,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:07,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:07,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:07,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:07,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:07,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:07,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:29:07,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:07,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:07,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:07,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:29:07,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:07,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 07:29:07,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:07,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:07,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:07,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:07,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:07,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:07,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:29:07,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:07,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:07,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:07,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-29 07:29:07,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:07,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 07:29:07,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:07,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:07,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:07,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:07,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:07,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:07,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-29 07:29:07,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:07,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:07,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:07,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-29 07:29:07,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:07,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 07:29:07,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:07,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:07,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:07,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:07,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:07,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:07,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2020-10-29 07:29:07,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:07,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:07,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:07,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 07:29:07,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:07,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 07:29:07,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:07,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:07,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:29:07,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:07,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 07:29:07,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:07,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2020-10-29 07:29:07,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:07,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:07,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:07,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:29:07,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:07,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-10-29 07:29:07,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:07,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:07,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 07:29:07,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:29:07,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-29 07:29:07,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:07,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2020-10-29 07:29:07,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:07,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:07,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:07,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-29 07:29:07,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:07,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-29 07:29:07,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:07,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:07,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:29:07,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:29:07,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-29 07:29:07,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:07,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 894 [2020-10-29 07:29:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:07,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:07,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:07,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-29 07:29:07,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:07,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-29 07:29:07,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:07,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:07,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:29:07,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:29:07,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-29 07:29:07,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:09,113 INFO L134 CoverageAnalysis]: Checked inductivity of 3491 backedges. 2267 proven. 246 refuted. 0 times theorem prover too weak. 978 trivial. 0 not checked. [2020-10-29 07:29:09,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1610513788] [2020-10-29 07:29:09,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:29:09,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-29 07:29:09,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881004421] [2020-10-29 07:29:09,117 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 07:29:09,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:29:09,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 07:29:09,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-10-29 07:29:09,119 INFO L87 Difference]: Start difference. First operand 6311 states and 7055 transitions. Second operand 11 states. [2020-10-29 07:29:13,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:29:13,054 INFO L93 Difference]: Finished difference Result 12632 states and 14133 transitions. [2020-10-29 07:29:13,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-29 07:29:13,056 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1086 [2020-10-29 07:29:13,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:29:13,078 INFO L225 Difference]: With dead ends: 12632 [2020-10-29 07:29:13,078 INFO L226 Difference]: Without dead ends: 6511 [2020-10-29 07:29:13,091 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2020-10-29 07:29:13,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6511 states. [2020-10-29 07:29:13,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6511 to 6309. [2020-10-29 07:29:13,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6309 states. [2020-10-29 07:29:13,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6309 states to 6309 states and 7043 transitions. [2020-10-29 07:29:13,238 INFO L78 Accepts]: Start accepts. Automaton has 6309 states and 7043 transitions. Word has length 1086 [2020-10-29 07:29:13,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:29:13,240 INFO L481 AbstractCegarLoop]: Abstraction has 6309 states and 7043 transitions. [2020-10-29 07:29:13,240 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 07:29:13,241 INFO L276 IsEmpty]: Start isEmpty. Operand 6309 states and 7043 transitions. [2020-10-29 07:29:13,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1345 [2020-10-29 07:29:13,267 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:29:13,268 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:29:13,268 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-29 07:29:13,269 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:29:13,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:29:13,270 INFO L82 PathProgramCache]: Analyzing trace with hash 1727037652, now seen corresponding path program 1 times [2020-10-29 07:29:13,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:29:13,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1018556987] [2020-10-29 07:29:13,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:29:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:13,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:13,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:14,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:18,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:18,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1374 [2020-10-29 07:29:18,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 07:29:18,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5191 [2020-10-29 07:29:18,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:18,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:18,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:29:18,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 350 [2020-10-29 07:29:18,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-29 07:29:18,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:18,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:29:18,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:18,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:18,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:18,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:29:18,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:18,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 07:29:18,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:18,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:18,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:18,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:18,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:18,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:18,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:29:18,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:18,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:18,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:18,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:29:18,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:18,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-29 07:29:18,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:18,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:18,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:18,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:18,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:18,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:18,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:29:18,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:18,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:18,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:18,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:29:18,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:18,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 07:29:18,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:18,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:18,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:18,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:18,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:18,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:18,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:29:18,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:18,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:19,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:19,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-29 07:29:19,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:19,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-29 07:29:19,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:19,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:19,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:29:19,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:19,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-29 07:29:19,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:19,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-29 07:29:19,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:19,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:19,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:19,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-29 07:29:19,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:19,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-10-29 07:29:19,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:19,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:19,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:29:19,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:29:19,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-29 07:29:19,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:19,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2020-10-29 07:29:19,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:19,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:19,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:19,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 07:29:19,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:19,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 07:29:19,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:19,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:19,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:19,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-29 07:29:19,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:19,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:19,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2020-10-29 07:29:19,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:19,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:19,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:19,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:29:19,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:19,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-29 07:29:19,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:19,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:19,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:19,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-29 07:29:19,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:19,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:19,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2020-10-29 07:29:19,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:19,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:19,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:19,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-29 07:29:19,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:19,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 07:29:19,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:19,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:19,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:19,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 116 [2020-10-29 07:29:19,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:19,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:19,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 894 [2020-10-29 07:29:19,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:19,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:19,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:19,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-29 07:29:19,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:19,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-29 07:29:19,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:19,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:19,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:19,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 138 [2020-10-29 07:29:19,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:19,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:19,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1034 [2020-10-29 07:29:19,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:19,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:19,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:19,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-29 07:29:19,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:19,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-29 07:29:19,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:19,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:19,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:19,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 116 [2020-10-29 07:29:19,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:19,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:19,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1152 [2020-10-29 07:29:19,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:19,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:19,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:19,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-29 07:29:19,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:19,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-29 07:29:19,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:19,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:19,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:19,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-10-29 07:29:19,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:19,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:20,975 INFO L134 CoverageAnalysis]: Checked inductivity of 5557 backedges. 1029 proven. 743 refuted. 0 times theorem prover too weak. 3785 trivial. 0 not checked. [2020-10-29 07:29:20,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1018556987] [2020-10-29 07:29:20,975 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:29:20,975 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:29:20,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916902269] [2020-10-29 07:29:20,976 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:29:20,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:29:20,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:29:20,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:29:20,977 INFO L87 Difference]: Start difference. First operand 6309 states and 7043 transitions. Second operand 7 states. [2020-10-29 07:29:23,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:29:23,167 INFO L93 Difference]: Finished difference Result 12808 states and 14365 transitions. [2020-10-29 07:29:23,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 07:29:23,171 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1344 [2020-10-29 07:29:23,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:29:23,193 INFO L225 Difference]: With dead ends: 12808 [2020-10-29 07:29:23,193 INFO L226 Difference]: Without dead ends: 6689 [2020-10-29 07:29:23,208 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 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 07:29:23,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6689 states. [2020-10-29 07:29:23,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6689 to 6675. [2020-10-29 07:29:23,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6675 states. [2020-10-29 07:29:23,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6675 states to 6675 states and 7410 transitions. [2020-10-29 07:29:23,355 INFO L78 Accepts]: Start accepts. Automaton has 6675 states and 7410 transitions. Word has length 1344 [2020-10-29 07:29:23,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:29:23,357 INFO L481 AbstractCegarLoop]: Abstraction has 6675 states and 7410 transitions. [2020-10-29 07:29:23,357 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:29:23,357 INFO L276 IsEmpty]: Start isEmpty. Operand 6675 states and 7410 transitions. [2020-10-29 07:29:23,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1426 [2020-10-29 07:29:23,387 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:29:23,389 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:29:23,389 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-29 07:29:23,389 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:29:23,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:29:23,390 INFO L82 PathProgramCache]: Analyzing trace with hash 661732856, now seen corresponding path program 1 times [2020-10-29 07:29:23,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:29:23,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [343305358] [2020-10-29 07:29:23,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:29:23,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:23,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:23,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:24,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:25,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:28,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:28,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1457 [2020-10-29 07:29:28,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 07:29:28,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5063 [2020-10-29 07:29:28,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:28,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:28,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 07:29:28,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1133 [2020-10-29 07:29:28,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 253 [2020-10-29 07:29:28,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:28,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:29:28,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:28,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:28,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:28,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:29:28,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:28,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 07:29:28,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:28,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:28,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:28,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:28,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:28,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:29,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:29:29,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:29,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:29,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:29,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:29:29,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:29,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 07:29:29,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:29,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:29,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:29,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:29,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:29,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:29,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:29:29,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:29,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:29,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:29,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:29:29,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:29,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 07:29:29,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:29,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:29,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:29,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:29,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:29,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:29,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:29:29,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:29,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:29,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:29,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-29 07:29:29,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:29,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 07:29:29,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:29,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:29,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:29,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:29,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:29,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:29,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-29 07:29:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:29,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:29,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:29,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 07:29:29,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:29,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-29 07:29:29,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:29,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:29,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:29,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:29,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:29,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:29,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-29 07:29:29,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:29,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:29,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:29,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-29 07:29:29,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:29,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 07:29:29,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:29,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:29,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:29,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:29,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:29,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:29,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-29 07:29:29,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:29,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:29,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:29,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 07:29:29,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:29,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 07:29:29,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:29,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:29,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:29,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:29,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:29,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:29,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-29 07:29:29,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:29,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:29,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:29,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:29:29,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:29,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-29 07:29:29,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:29,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:29,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:29,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:29,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:29,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:29,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-29 07:29:29,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:29,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:29,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:29,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-29 07:29:29,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:29,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-29 07:29:29,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:29,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:29,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:29,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:29,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:29,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:29,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-29 07:29:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:29,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:29,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:29,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-29 07:29:29,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:29,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-29 07:29:29,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:29,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:29,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:29:29,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:29,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-29 07:29:29,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:29,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-29 07:29:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:29,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:29,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:29,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:29,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-29 07:29:29,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 07:29:29,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-29 07:29:29,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:29,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:29,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:29:29,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:29:29,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-29 07:29:29,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:29,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1233 [2020-10-29 07:29:29,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:29,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:30,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:30,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-29 07:29:30,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:30,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 199 [2020-10-29 07:29:30,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:30,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:30,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:29:30,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:29:30,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-29 07:29:30,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:31,256 INFO L134 CoverageAnalysis]: Checked inductivity of 6424 backedges. 2761 proven. 6 refuted. 0 times theorem prover too weak. 3657 trivial. 0 not checked. [2020-10-29 07:29:31,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [343305358] [2020-10-29 07:29:31,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:29:31,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-29 07:29:31,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156376823] [2020-10-29 07:29:31,258 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 07:29:31,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:29:31,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 07:29:31,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-29 07:29:31,259 INFO L87 Difference]: Start difference. First operand 6675 states and 7410 transitions. Second operand 9 states. [2020-10-29 07:29:34,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:29:34,554 INFO L93 Difference]: Finished difference Result 14924 states and 16889 transitions. [2020-10-29 07:29:34,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-29 07:29:34,555 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1425 [2020-10-29 07:29:34,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:29:34,586 INFO L225 Difference]: With dead ends: 14924 [2020-10-29 07:29:34,587 INFO L226 Difference]: Without dead ends: 8439 [2020-10-29 07:29:34,603 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2020-10-29 07:29:34,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8439 states. [2020-10-29 07:29:34,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8439 to 7415. [2020-10-29 07:29:34,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7415 states. [2020-10-29 07:29:34,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7415 states to 7415 states and 8169 transitions. [2020-10-29 07:29:34,868 INFO L78 Accepts]: Start accepts. Automaton has 7415 states and 8169 transitions. Word has length 1425 [2020-10-29 07:29:34,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:29:34,870 INFO L481 AbstractCegarLoop]: Abstraction has 7415 states and 8169 transitions. [2020-10-29 07:29:34,870 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 07:29:34,870 INFO L276 IsEmpty]: Start isEmpty. Operand 7415 states and 8169 transitions. [2020-10-29 07:29:34,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1513 [2020-10-29 07:29:34,897 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:29:34,898 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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 07:29:34,898 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-29 07:29:34,898 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:29:34,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:29:34,899 INFO L82 PathProgramCache]: Analyzing trace with hash -1766748580, now seen corresponding path program 1 times [2020-10-29 07:29:34,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:29:34,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [623494148] [2020-10-29 07:29:34,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:29:35,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:35,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:38,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:40,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:40,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1544 [2020-10-29 07:29:40,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 07:29:40,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5123 [2020-10-29 07:29:40,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:40,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:40,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:29:40,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1472 [2020-10-29 07:29:40,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-29 07:29:40,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:40,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:29:40,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:40,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:40,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:40,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:29:40,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:40,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 07:29:40,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:40,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:40,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:40,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:40,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:40,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:40,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:29:40,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:40,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:40,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:40,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:29:40,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:40,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 07:29:40,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:40,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:40,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:40,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:40,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:40,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:40,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:29:40,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:40,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:40,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:40,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:29:40,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:40,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-29 07:29:40,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:40,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:40,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:40,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:40,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:40,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:40,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:29:40,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:40,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:40,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:40,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-29 07:29:40,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:40,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 07:29:40,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:40,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:40,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:40,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:40,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:40,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:40,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-29 07:29:40,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:40,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:40,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:40,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 07:29:40,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:40,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 07:29:40,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:40,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:40,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:40,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:40,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:40,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:40,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-29 07:29:40,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:40,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:40,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:40,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-29 07:29:40,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:40,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-29 07:29:40,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:40,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:40,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:40,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:40,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:40,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:40,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-29 07:29:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:40,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:40,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:40,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 07:29:40,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:40,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 07:29:40,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:40,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:40,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:40,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:40,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:40,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:40,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-29 07:29:40,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:40,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:40,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:40,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:29:40,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:40,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 07:29:40,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:40,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:40,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:40,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:40,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:40,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:41,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-29 07:29:41,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:41,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:41,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:41,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-29 07:29:41,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:41,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 07:29:41,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:41,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:41,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:41,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:41,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:41,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:41,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-29 07:29:41,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:41,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:41,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:41,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-29 07:29:41,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:41,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 07:29:41,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:41,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:41,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:41,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:41,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:41,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:41,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-29 07:29:41,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:41,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:41,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:41,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-29 07:29:41,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:41,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-29 07:29:41,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:41,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:41,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:41,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:41,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:41,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:41,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-29 07:29:41,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:41,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:41,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:41,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-29 07:29:41,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:41,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-29 07:29:41,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:41,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:41,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:29:41,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:41,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-10-29 07:29:41,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:42,506 INFO L134 CoverageAnalysis]: Checked inductivity of 6657 backedges. 701 proven. 11 refuted. 0 times theorem prover too weak. 5945 trivial. 0 not checked. [2020-10-29 07:29:42,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [623494148] [2020-10-29 07:29:42,506 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:29:42,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 07:29:42,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686756471] [2020-10-29 07:29:42,508 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 07:29:42,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:29:42,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 07:29:42,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 07:29:42,508 INFO L87 Difference]: Start difference. First operand 7415 states and 8169 transitions. Second operand 5 states. [2020-10-29 07:29:44,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:29:44,319 INFO L93 Difference]: Finished difference Result 15934 states and 17701 transitions. [2020-10-29 07:29:44,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 07:29:44,320 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1512 [2020-10-29 07:29:44,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:29:44,347 INFO L225 Difference]: With dead ends: 15934 [2020-10-29 07:29:44,347 INFO L226 Difference]: Without dead ends: 8525 [2020-10-29 07:29:44,361 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 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 07:29:44,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8525 states. [2020-10-29 07:29:44,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8525 to 8517. [2020-10-29 07:29:44,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8517 states. [2020-10-29 07:29:44,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8517 states to 8517 states and 9394 transitions. [2020-10-29 07:29:44,538 INFO L78 Accepts]: Start accepts. Automaton has 8517 states and 9394 transitions. Word has length 1512 [2020-10-29 07:29:44,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:29:44,541 INFO L481 AbstractCegarLoop]: Abstraction has 8517 states and 9394 transitions. [2020-10-29 07:29:44,541 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 07:29:44,541 INFO L276 IsEmpty]: Start isEmpty. Operand 8517 states and 9394 transitions. [2020-10-29 07:29:44,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1590 [2020-10-29 07:29:44,578 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:29:44,579 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 7, 7, 7, 7, 7, 7, 6, 5, 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, 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 07:29:44,579 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-29 07:29:44,579 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:29:44,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:29:44,580 INFO L82 PathProgramCache]: Analyzing trace with hash -1409842280, now seen corresponding path program 1 times [2020-10-29 07:29:44,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:29:44,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1836535406] [2020-10-29 07:29:44,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:29:44,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:45,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:45,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:47,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:48,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:49,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:49,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1623 [2020-10-29 07:29:49,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 07:29:49,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5104 [2020-10-29 07:29:49,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:49,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:49,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:29:49,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1430 [2020-10-29 07:29:49,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-29 07:29:49,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:50,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:29:50,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:50,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:50,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:50,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:29:50,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:50,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 07:29:50,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:50,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:50,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:50,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:50,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:50,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:50,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:29:50,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:50,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:50,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:50,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:29:50,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:50,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 07:29:50,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:50,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:50,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:50,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:50,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:50,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:50,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:29:50,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:50,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:50,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:50,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:29:50,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:50,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 07:29:50,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:50,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:50,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:50,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:50,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:50,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:50,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:29:50,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:50,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:50,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:50,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-29 07:29:50,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:50,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 07:29:50,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:50,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:50,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:50,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:50,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:50,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:50,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-29 07:29:50,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:50,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:50,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:50,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 07:29:50,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:50,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 07:29:50,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:50,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:50,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:50,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:50,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:50,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:50,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-29 07:29:50,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:50,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:50,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:50,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-29 07:29:50,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:50,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-29 07:29:50,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:50,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:50,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:50,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:50,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:50,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:50,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-29 07:29:50,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:50,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:50,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:50,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 07:29:50,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:50,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 07:29:50,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:50,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:50,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:50,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:50,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:50,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:50,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-29 07:29:50,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:50,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:50,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:50,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:29:50,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:50,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 07:29:50,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:50,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:50,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:50,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:50,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:50,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:50,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-29 07:29:50,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:50,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:50,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:50,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-29 07:29:50,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:50,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 07:29:50,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:50,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:50,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:50,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:50,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:50,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:50,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-29 07:29:50,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:50,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:50,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:50,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-29 07:29:50,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:50,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 07:29:50,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:50,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:50,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:50,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:50,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:50,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:50,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-29 07:29:50,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:50,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:50,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:50,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-29 07:29:50,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:50,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-29 07:29:50,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:50,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:50,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:50,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:50,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:50,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:50,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-29 07:29:50,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:50,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:50,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:50,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-29 07:29:50,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:50,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-29 07:29:50,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:50,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:50,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:29:50,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:50,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-29 07:29:50,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:50,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1408 [2020-10-29 07:29:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:50,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:51,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:51,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-29 07:29:51,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:51,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-29 07:29:51,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:51,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:51,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:29:51,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:29:51,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-29 07:29:51,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:52,567 INFO L134 CoverageAnalysis]: Checked inductivity of 7749 backedges. 1959 proven. 2 refuted. 0 times theorem prover too weak. 5788 trivial. 0 not checked. [2020-10-29 07:29:52,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1836535406] [2020-10-29 07:29:52,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:29:52,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:29:52,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992378681] [2020-10-29 07:29:52,568 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:29:52,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:29:52,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:29:52,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:29:52,571 INFO L87 Difference]: Start difference. First operand 8517 states and 9394 transitions. Second operand 7 states. [2020-10-29 07:29:54,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:29:54,755 INFO L93 Difference]: Finished difference Result 18531 states and 20648 transitions. [2020-10-29 07:29:54,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 07:29:54,761 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1589 [2020-10-29 07:29:54,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:29:54,764 INFO L225 Difference]: With dead ends: 18531 [2020-10-29 07:29:54,764 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 07:29:54,785 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 1 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 07:29:54,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 07:29:54,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 07:29:54,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 07:29:54,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 07:29:54,786 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1589 [2020-10-29 07:29:54,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:29:54,786 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 07:29:54,786 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:29:54,786 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 07:29:54,786 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 07:29:54,787 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-29 07:29:54,789 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 07:29:55,689 WARN L193 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 209 [2020-10-29 07:29:56,894 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 209 [2020-10-29 07:29:57,882 WARN L193 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 51 [2020-10-29 07:29:58,614 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 49 [2020-10-29 07:30:00,605 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 290 DAG size of output: 80 [2020-10-29 07:30:01,662 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 199 DAG size of output: 51 [2020-10-29 07:30:01,725 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 07:30:01,726 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 07:30:01,726 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 07:30:01,726 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 07:30:01,726 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 07:30:01,727 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|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~inputA~0 |old(~inputA~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a15~0 |old(~a15~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a24~0 |old(~a24~0)|) (= ~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)|) (= |#t~string7.base| |old(#t~string7.base)|)) [2020-10-29 07:30:01,727 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 07:30:01,727 INFO L274 CegarLoopResult]: For program point L696(lines 696 872) no Hoare annotation was computed. [2020-10-29 07:30:01,727 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-29 07:30:01,727 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-29 07:30:01,727 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-29 07:30:01,727 INFO L274 CegarLoopResult]: For program point L301(lines 301 872) no Hoare annotation was computed. [2020-10-29 07:30:01,727 INFO L274 CegarLoopResult]: For program point L434(lines 434 872) no Hoare annotation was computed. [2020-10-29 07:30:01,727 INFO L274 CegarLoopResult]: For program point L368(lines 368 872) no Hoare annotation was computed. [2020-10-29 07:30:01,727 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,727 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,728 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,728 INFO L274 CegarLoopResult]: For program point L237(lines 237 872) no Hoare annotation was computed. [2020-10-29 07:30:01,728 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-29 07:30:01,728 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-29 07:30:01,728 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-29 07:30:01,728 INFO L274 CegarLoopResult]: For program point L766(lines 766 872) no Hoare annotation was computed. [2020-10-29 07:30:01,728 INFO L274 CegarLoopResult]: For program point L634(lines 634 872) no Hoare annotation was computed. [2020-10-29 07:30:01,728 INFO L274 CegarLoopResult]: For program point L502(lines 502 872) no Hoare annotation was computed. [2020-10-29 07:30:01,728 INFO L274 CegarLoopResult]: For program point L833(lines 833 872) no Hoare annotation was computed. [2020-10-29 07:30:01,728 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,729 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,729 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,729 INFO L274 CegarLoopResult]: For program point L702(lines 702 872) no Hoare annotation was computed. [2020-10-29 07:30:01,729 INFO L274 CegarLoopResult]: For program point L570(lines 570 872) no Hoare annotation was computed. [2020-10-29 07:30:01,729 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-29 07:30:01,729 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-29 07:30:01,729 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-29 07:30:01,729 INFO L274 CegarLoopResult]: For program point L307(lines 307 872) no Hoare annotation was computed. [2020-10-29 07:30:01,729 INFO L274 CegarLoopResult]: For program point L440(lines 440 872) no Hoare annotation was computed. [2020-10-29 07:30:01,730 INFO L274 CegarLoopResult]: For program point L374(lines 374 872) no Hoare annotation was computed. [2020-10-29 07:30:01,730 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,730 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,730 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,730 INFO L274 CegarLoopResult]: For program point L243(lines 243 872) no Hoare annotation was computed. [2020-10-29 07:30:01,730 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-29 07:30:01,730 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-29 07:30:01,730 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-29 07:30:01,730 INFO L274 CegarLoopResult]: For program point L640(lines 640 872) no Hoare annotation was computed. [2020-10-29 07:30:01,730 INFO L274 CegarLoopResult]: For program point L508(lines 508 872) no Hoare annotation was computed. [2020-10-29 07:30:01,731 INFO L274 CegarLoopResult]: For program point L839(lines 839 872) no Hoare annotation was computed. [2020-10-29 07:30:01,731 INFO L274 CegarLoopResult]: For program point L773(lines 773 872) no Hoare annotation was computed. [2020-10-29 07:30:01,731 INFO L274 CegarLoopResult]: For program point L575(lines 575 872) no Hoare annotation was computed. [2020-10-29 07:30:01,731 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,731 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,731 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,731 INFO L274 CegarLoopResult]: For program point L708(lines 708 872) no Hoare annotation was computed. [2020-10-29 07:30:01,731 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-29 07:30:01,731 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-29 07:30:01,731 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-29 07:30:01,732 INFO L274 CegarLoopResult]: For program point L313(lines 313 872) no Hoare annotation was computed. [2020-10-29 07:30:01,732 INFO L274 CegarLoopResult]: For program point L446(lines 446 872) no Hoare annotation was computed. [2020-10-29 07:30:01,732 INFO L274 CegarLoopResult]: For program point L380(lines 380 872) no Hoare annotation was computed. [2020-10-29 07:30:01,732 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,732 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,732 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,732 INFO L274 CegarLoopResult]: For program point L249(lines 249 872) no Hoare annotation was computed. [2020-10-29 07:30:01,732 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-29 07:30:01,732 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-29 07:30:01,732 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-29 07:30:01,733 INFO L274 CegarLoopResult]: For program point L844(lines 844 872) no Hoare annotation was computed. [2020-10-29 07:30:01,733 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,733 INFO L274 CegarLoopResult]: For program point L646(lines 646 872) no Hoare annotation was computed. [2020-10-29 07:30:01,733 INFO L274 CegarLoopResult]: For program point L514(lines 514 872) no Hoare annotation was computed. [2020-10-29 07:30:01,733 INFO L274 CegarLoopResult]: For program point L779(lines 779 872) no Hoare annotation was computed. [2020-10-29 07:30:01,733 INFO L274 CegarLoopResult]: For program point L581(lines 581 872) no Hoare annotation was computed. [2020-10-29 07:30:01,733 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,733 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,733 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,734 INFO L274 CegarLoopResult]: For program point L714(lines 714 872) no Hoare annotation was computed. [2020-10-29 07:30:01,734 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-29 07:30:01,734 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-29 07:30:01,734 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-29 07:30:01,734 INFO L274 CegarLoopResult]: For program point L451(lines 451 872) no Hoare annotation was computed. [2020-10-29 07:30:01,734 INFO L274 CegarLoopResult]: For program point L319(lines 319 872) no Hoare annotation was computed. [2020-10-29 07:30:01,734 INFO L274 CegarLoopResult]: For program point L386(lines 386 872) no Hoare annotation was computed. [2020-10-29 07:30:01,734 INFO L274 CegarLoopResult]: For program point L254(lines 254 872) no Hoare annotation was computed. [2020-10-29 07:30:01,734 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,734 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,734 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,734 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-29 07:30:01,735 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-29 07:30:01,735 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-29 07:30:01,735 INFO L274 CegarLoopResult]: For program point L850(lines 850 872) no Hoare annotation was computed. [2020-10-29 07:30:01,735 INFO L274 CegarLoopResult]: For program point L652(lines 652 872) no Hoare annotation was computed. [2020-10-29 07:30:01,735 INFO L274 CegarLoopResult]: For program point L520(lines 520 872) no Hoare annotation was computed. [2020-10-29 07:30:01,735 INFO L274 CegarLoopResult]: For program point L785(lines 785 872) no Hoare annotation was computed. [2020-10-29 07:30:01,735 INFO L274 CegarLoopResult]: For program point L587(lines 587 872) no Hoare annotation was computed. [2020-10-29 07:30:01,735 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,735 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,736 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,736 INFO L274 CegarLoopResult]: For program point L720(lines 720 872) no Hoare annotation was computed. [2020-10-29 07:30:01,736 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 874) the Hoare annotation is: (let ((.cse0 (= ~a21~0 |old(~a21~0)|)) (.cse2 (= ~a15~0 |old(~a15~0)|)) (.cse4 (= ~a24~0 |old(~a24~0)|)) (.cse9 (= ~a15~0 8)) (.cse1 (= ~a12~0 |old(~a12~0)|)) (.cse3 (= 7 |old(~a21~0)|))) (let ((.cse6 (not .cse3)) (.cse7 (and .cse4 .cse9 .cse1 (= 7 ~a21~0))) (.cse8 (not (= 8 |old(~a15~0)|))) (.cse5 (and .cse4 .cse0 .cse1 .cse2))) (and (or (not (= |old(~a24~0)| 1)) (and .cse0 (= ~a24~0 1) .cse1 .cse2) .cse3 (not (= 5 |old(~a15~0)|))) (or (not (= 9 |old(~a21~0)|)) (and .cse4 (= ~a21~0 9) .cse1 .cse2) (not (<= |old(~a12~0)| 11))) (or .cse5 (not (<= |old(~a21~0)| 6))) (or .cse6 .cse7 .cse8 (not (<= 0 (+ |old(~a12~0)| 41))) (not (<= |old(~a12~0)| 2))) (or (and (= 7 ~a15~0) .cse4 .cse0 .cse1) (not (= 7 |old(~a15~0)|))) (or .cse5 (not (<= 58 |old(~a12~0)|))) (or (and .cse4 (= ~a21~0 8) .cse1 .cse2) (not (= 8 |old(~a21~0)|))) (or .cse6 .cse7 .cse8 (not (<= (+ |old(~a12~0)| 49) 0))) (or .cse8 (and .cse4 .cse0 .cse9 .cse1) .cse3) (or (not (<= 10 |old(~a21~0)|)) .cse5)))) [2020-10-29 07:30:01,736 INFO L274 CegarLoopResult]: For program point L456(lines 456 872) no Hoare annotation was computed. [2020-10-29 07:30:01,736 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-29 07:30:01,737 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-29 07:30:01,737 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-29 07:30:01,737 INFO L274 CegarLoopResult]: For program point L325(lines 325 872) no Hoare annotation was computed. [2020-10-29 07:30:01,737 INFO L274 CegarLoopResult]: For program point L392(lines 392 872) no Hoare annotation was computed. [2020-10-29 07:30:01,737 INFO L274 CegarLoopResult]: For program point L260(lines 260 872) no Hoare annotation was computed. [2020-10-29 07:30:01,737 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,737 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,737 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,737 INFO L270 CegarLoopResult]: At program point L195(line 195) the Hoare annotation is: (let ((.cse1 (not (= 8 |old(~a15~0)|))) (.cse0 (= 7 |old(~a21~0)|))) (and (or (not (= |old(~a24~0)| 1)) .cse0 (not (= 5 |old(~a15~0)|))) (not (= 8 |old(~a21~0)|)) (not (<= 10 |old(~a21~0)|)) (or .cse1 (not (<= 0 (+ |old(~a12~0)| 41))) (not (<= |old(~a12~0)| 2))) (not (<= 58 |old(~a12~0)|)) (or .cse0 (not (<= |old(~a12~0)| 11))) (not (<= |old(~a21~0)| 6)) (not (= 7 |old(~a15~0)|)) (or .cse1 (not (<= (+ |old(~a12~0)| 49) 0))) (or .cse1 .cse0))) [2020-10-29 07:30:01,738 INFO L274 CegarLoopResult]: For program point L195-1(line 195) no Hoare annotation was computed. [2020-10-29 07:30:01,738 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-29 07:30:01,738 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-29 07:30:01,738 INFO L274 CegarLoopResult]: For program point L856(lines 856 872) no Hoare annotation was computed. [2020-10-29 07:30:01,738 INFO L274 CegarLoopResult]: For program point L658(lines 658 872) no Hoare annotation was computed. [2020-10-29 07:30:01,738 INFO L274 CegarLoopResult]: For program point L526(lines 526 872) no Hoare annotation was computed. [2020-10-29 07:30:01,738 INFO L274 CegarLoopResult]: For program point L791(lines 791 872) no Hoare annotation was computed. [2020-10-29 07:30:01,738 INFO L274 CegarLoopResult]: For program point L593(lines 593 872) no Hoare annotation was computed. [2020-10-29 07:30:01,738 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,739 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,739 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,739 INFO L274 CegarLoopResult]: For program point L726(lines 726 872) no Hoare annotation was computed. [2020-10-29 07:30:01,739 INFO L274 CegarLoopResult]: For program point L462(lines 462 872) no Hoare annotation was computed. [2020-10-29 07:30:01,739 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-29 07:30:01,739 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-29 07:30:01,739 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-29 07:30:01,739 INFO L274 CegarLoopResult]: For program point L331(lines 331 872) no Hoare annotation was computed. [2020-10-29 07:30:01,739 INFO L274 CegarLoopResult]: For program point L398(lines 398 872) no Hoare annotation was computed. [2020-10-29 07:30:01,739 INFO L274 CegarLoopResult]: For program point L266(lines 266 872) no Hoare annotation was computed. [2020-10-29 07:30:01,740 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,740 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,740 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,740 INFO L274 CegarLoopResult]: For program point L861(lines 861 872) no Hoare annotation was computed. [2020-10-29 07:30:01,740 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-29 07:30:01,740 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-29 07:30:01,740 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-29 07:30:01,742 INFO L274 CegarLoopResult]: For program point L664(lines 664 872) no Hoare annotation was computed. [2020-10-29 07:30:01,742 INFO L274 CegarLoopResult]: For program point L532(lines 532 872) no Hoare annotation was computed. [2020-10-29 07:30:01,742 INFO L274 CegarLoopResult]: For program point L797(lines 797 872) no Hoare annotation was computed. [2020-10-29 07:30:01,742 INFO L274 CegarLoopResult]: For program point L599(lines 599 872) no Hoare annotation was computed. [2020-10-29 07:30:01,742 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,742 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,742 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,742 INFO L274 CegarLoopResult]: For program point L732(lines 732 872) no Hoare annotation was computed. [2020-10-29 07:30:01,743 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-29 07:30:01,743 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-29 07:30:01,743 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-29 07:30:01,743 INFO L274 CegarLoopResult]: For program point L469(lines 469 872) no Hoare annotation was computed. [2020-10-29 07:30:01,743 INFO L274 CegarLoopResult]: For program point L337(lines 337 872) no Hoare annotation was computed. [2020-10-29 07:30:01,743 INFO L274 CegarLoopResult]: For program point L271(lines 271 872) no Hoare annotation was computed. [2020-10-29 07:30:01,743 INFO L274 CegarLoopResult]: For program point L404(lines 404 872) no Hoare annotation was computed. [2020-10-29 07:30:01,743 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,743 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,743 INFO L274 CegarLoopResult]: For program point L867(lines 867 872) no Hoare annotation was computed. [2020-10-29 07:30:01,743 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-29 07:30:01,743 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-29 07:30:01,743 INFO L274 CegarLoopResult]: For program point L670(lines 670 872) no Hoare annotation was computed. [2020-10-29 07:30:01,743 INFO L274 CegarLoopResult]: For program point L538(lines 538 872) no Hoare annotation was computed. [2020-10-29 07:30:01,744 INFO L274 CegarLoopResult]: For program point L803(lines 803 872) no Hoare annotation was computed. [2020-10-29 07:30:01,744 INFO L274 CegarLoopResult]: For program point L737(lines 737 872) no Hoare annotation was computed. [2020-10-29 07:30:01,744 INFO L274 CegarLoopResult]: For program point L605(lines 605 872) no Hoare annotation was computed. [2020-10-29 07:30:01,744 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,744 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,744 INFO L274 CegarLoopResult]: For program point L474(lines 474 872) no Hoare annotation was computed. [2020-10-29 07:30:01,744 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-29 07:30:01,744 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-29 07:30:01,744 INFO L274 CegarLoopResult]: For program point L343(lines 343 872) no Hoare annotation was computed. [2020-10-29 07:30:01,744 INFO L274 CegarLoopResult]: For program point L277(lines 277 872) no Hoare annotation was computed. [2020-10-29 07:30:01,744 INFO L274 CegarLoopResult]: For program point L410(lines 410 872) no Hoare annotation was computed. [2020-10-29 07:30:01,744 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,744 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,744 INFO L274 CegarLoopResult]: For program point L543(lines 543 872) no Hoare annotation was computed. [2020-10-29 07:30:01,744 INFO L274 CegarLoopResult]: For program point L213(lines 213 872) no Hoare annotation was computed. [2020-10-29 07:30:01,744 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-29 07:30:01,745 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-29 07:30:01,745 INFO L274 CegarLoopResult]: For program point L676(lines 676 872) no Hoare annotation was computed. [2020-10-29 07:30:01,745 INFO L274 CegarLoopResult]: For program point L809(lines 809 872) no Hoare annotation was computed. [2020-10-29 07:30:01,745 INFO L274 CegarLoopResult]: For program point L743(lines 743 872) no Hoare annotation was computed. [2020-10-29 07:30:01,745 INFO L274 CegarLoopResult]: For program point L611(lines 611 872) no Hoare annotation was computed. [2020-10-29 07:30:01,745 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,745 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,745 INFO L274 CegarLoopResult]: For program point L480(lines 480 872) no Hoare annotation was computed. [2020-10-29 07:30:01,745 INFO L274 CegarLoopResult]: For program point L282(lines 282 872) no Hoare annotation was computed. [2020-10-29 07:30:01,745 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-29 07:30:01,745 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-29 07:30:01,745 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,745 INFO L274 CegarLoopResult]: For program point L679(lines 679 872) no Hoare annotation was computed. [2020-10-29 07:30:01,745 INFO L274 CegarLoopResult]: For program point L349(lines 349 872) no Hoare annotation was computed. [2020-10-29 07:30:01,745 INFO L274 CegarLoopResult]: For program point L416(lines 416 872) no Hoare annotation was computed. [2020-10-29 07:30:01,745 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,746 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,746 INFO L274 CegarLoopResult]: For program point L549(lines 549 872) no Hoare annotation was computed. [2020-10-29 07:30:01,746 INFO L274 CegarLoopResult]: For program point L219(lines 219 872) no Hoare annotation was computed. [2020-10-29 07:30:01,746 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-29 07:30:01,746 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-29 07:30:01,746 INFO L274 CegarLoopResult]: For program point L749(lines 749 872) no Hoare annotation was computed. [2020-10-29 07:30:01,746 INFO L274 CegarLoopResult]: For program point L617(lines 617 872) no Hoare annotation was computed. [2020-10-29 07:30:01,746 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,746 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,747 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-29 07:30:01,747 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,747 INFO L274 CegarLoopResult]: For program point L816(lines 816 872) no Hoare annotation was computed. [2020-10-29 07:30:01,747 INFO L274 CegarLoopResult]: For program point L486(lines 486 872) no Hoare annotation was computed. [2020-10-29 07:30:01,747 INFO L274 CegarLoopResult]: For program point L288(lines 288 872) no Hoare annotation was computed. [2020-10-29 07:30:01,747 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-29 07:30:01,747 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-29 07:30:01,747 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-29 07:30:01,747 INFO L274 CegarLoopResult]: For program point L685(lines 685 872) no Hoare annotation was computed. [2020-10-29 07:30:01,747 INFO L274 CegarLoopResult]: For program point L355(lines 355 872) no Hoare annotation was computed. [2020-10-29 07:30:01,747 INFO L274 CegarLoopResult]: For program point L554(lines 554 872) no Hoare annotation was computed. [2020-10-29 07:30:01,747 INFO L274 CegarLoopResult]: For program point L422(lines 422 872) no Hoare annotation was computed. [2020-10-29 07:30:01,747 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,747 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,748 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,748 INFO L274 CegarLoopResult]: For program point L225(lines 225 872) no Hoare annotation was computed. [2020-10-29 07:30:01,748 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-29 07:30:01,748 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-29 07:30:01,748 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-29 07:30:01,748 INFO L274 CegarLoopResult]: For program point L754(lines 754 872) no Hoare annotation was computed. [2020-10-29 07:30:01,748 INFO L274 CegarLoopResult]: For program point L821(lines 821 872) no Hoare annotation was computed. [2020-10-29 07:30:01,748 INFO L274 CegarLoopResult]: For program point L623(lines 623 872) no Hoare annotation was computed. [2020-10-29 07:30:01,748 INFO L274 CegarLoopResult]: For program point L557(lines 557 872) no Hoare annotation was computed. [2020-10-29 07:30:01,748 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,748 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,748 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,749 INFO L274 CegarLoopResult]: For program point L690(lines 690 872) no Hoare annotation was computed. [2020-10-29 07:30:01,749 INFO L274 CegarLoopResult]: For program point L492(lines 492 872) no Hoare annotation was computed. [2020-10-29 07:30:01,749 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-29 07:30:01,749 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-29 07:30:01,749 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-29 07:30:01,749 INFO L274 CegarLoopResult]: For program point L361(lines 361 872) no Hoare annotation was computed. [2020-10-29 07:30:01,749 INFO L274 CegarLoopResult]: For program point L295(lines 295 872) no Hoare annotation was computed. [2020-10-29 07:30:01,749 INFO L274 CegarLoopResult]: For program point L428(lines 428 872) no Hoare annotation was computed. [2020-10-29 07:30:01,749 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,749 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,749 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,749 INFO L274 CegarLoopResult]: For program point L231(lines 231 872) no Hoare annotation was computed. [2020-10-29 07:30:01,749 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-29 07:30:01,749 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-29 07:30:01,750 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-29 07:30:01,750 INFO L274 CegarLoopResult]: For program point L760(lines 760 872) no Hoare annotation was computed. [2020-10-29 07:30:01,750 INFO L274 CegarLoopResult]: For program point L628(lines 628 872) no Hoare annotation was computed. [2020-10-29 07:30:01,750 INFO L274 CegarLoopResult]: For program point L827(lines 827 872) no Hoare annotation was computed. [2020-10-29 07:30:01,750 INFO L274 CegarLoopResult]: For program point L563(lines 563 872) no Hoare annotation was computed. [2020-10-29 07:30:01,750 INFO L274 CegarLoopResult]: For program point L497(lines 497 872) no Hoare annotation was computed. [2020-10-29 07:30:01,750 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,750 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,750 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:30:01,750 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 07:30:01,750 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= (+ ~a12~0 49) 0) (= ~a15~0 8) (= 7 ~a21~0)) [2020-10-29 07:30:01,751 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 07:30:01,751 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 07:30:01,751 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 876 892) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (and (= ~a24~0 |old(~a24~0)|) (= ~a15~0 8) (= ~a12~0 |old(~a12~0)|) (= 7 ~a21~0)) (not (= 8 |old(~a15~0)|)) (not (<= (+ |old(~a12~0)| 49) 0))) [2020-10-29 07:30:01,751 INFO L270 CegarLoopResult]: At program point L890(line 890) the Hoare annotation is: (let ((.cse0 (= ~a15~0 8)) (.cse1 (not (= 7 ~a21~0)))) (or (and (<= 0 (+ ~a12~0 41)) .cse0 (<= ~a12~0 2)) (not (= 8 |old(~a15~0)|)) (and .cse1 .cse0) (not (<= (+ |old(~a12~0)| 49) 0)) (<= ~a21~0 6) (= 7 ~a15~0) (not (= 7 |old(~a21~0)|)) (and (<= ~a12~0 11) (= ~a21~0 9)) (and (= ~a24~0 |old(~a24~0)|) .cse0 (= ~a12~0 |old(~a12~0)|)) (<= 58 ~a12~0) (and (= 5 ~a15~0) .cse1 (= ~a24~0 1)) (<= 10 ~a21~0) (= ~a21~0 8))) [2020-10-29 07:30:01,751 INFO L274 CegarLoopResult]: For program point L890-1(line 890) no Hoare annotation was computed. [2020-10-29 07:30:01,751 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 876 892) no Hoare annotation was computed. [2020-10-29 07:30:01,752 INFO L274 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-10-29 07:30:01,752 INFO L270 CegarLoopResult]: At program point L882-2(lines 882 891) the Hoare annotation is: (let ((.cse0 (= ~a15~0 8)) (.cse1 (not (= 7 ~a21~0)))) (or (and (<= 0 (+ ~a12~0 41)) .cse0 (<= ~a12~0 2)) (not (= 8 |old(~a15~0)|)) (and .cse1 .cse0) (not (<= (+ |old(~a12~0)| 49) 0)) (<= ~a21~0 6) (= 7 ~a15~0) (not (= 7 |old(~a21~0)|)) (and (<= ~a12~0 11) (= ~a21~0 9)) (and (= ~a24~0 |old(~a24~0)|) .cse0 (= ~a12~0 |old(~a12~0)|)) (<= 58 ~a12~0) (and (= 5 ~a15~0) .cse1 (= ~a24~0 1)) (<= 10 ~a21~0) (= ~a21~0 8))) [2020-10-29 07:30:01,752 INFO L274 CegarLoopResult]: For program point L882-3(lines 876 892) no Hoare annotation was computed. [2020-10-29 07:30:01,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 07:30:01 BoogieIcfgContainer [2020-10-29 07:30:01,776 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 07:30:01,777 INFO L168 Benchmark]: Toolchain (without parser) took 169715.15 ms. Allocated memory was 156.2 MB in the beginning and 2.4 GB in the end (delta: 2.3 GB). Free memory was 129.9 MB in the beginning and 2.3 GB in the end (delta: -2.1 GB). Peak memory consumption was 1.5 GB. Max. memory is 8.0 GB. [2020-10-29 07:30:01,778 INFO L168 Benchmark]: CDTParser took 0.83 ms. Allocated memory is still 125.8 MB. Free memory is still 101.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 07:30:01,779 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1006.10 ms. Allocated memory is still 156.2 MB. Free memory was 129.3 MB in the beginning and 129.6 MB in the end (delta: -324.3 kB). Peak memory consumption was 29.1 MB. Max. memory is 8.0 GB. [2020-10-29 07:30:01,779 INFO L168 Benchmark]: Boogie Preprocessor took 196.16 ms. Allocated memory is still 156.2 MB. Free memory was 129.6 MB in the beginning and 123.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2020-10-29 07:30:01,780 INFO L168 Benchmark]: RCFGBuilder took 2240.72 ms. Allocated memory is still 156.2 MB. Free memory was 123.9 MB in the beginning and 108.6 MB in the end (delta: 15.3 MB). Peak memory consumption was 57.2 MB. Max. memory is 8.0 GB. [2020-10-29 07:30:01,781 INFO L168 Benchmark]: TraceAbstraction took 166259.86 ms. Allocated memory was 156.2 MB in the beginning and 2.4 GB in the end (delta: 2.3 GB). Free memory was 108.1 MB in the beginning and 2.3 GB in the end (delta: -2.2 GB). Peak memory consumption was 1.5 GB. Max. memory is 8.0 GB. [2020-10-29 07:30:01,783 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83 ms. Allocated memory is still 125.8 MB. Free memory is still 101.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1006.10 ms. Allocated memory is still 156.2 MB. Free memory was 129.3 MB in the beginning and 129.6 MB in the end (delta: -324.3 kB). Peak memory consumption was 29.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 196.16 ms. Allocated memory is still 156.2 MB. Free memory was 129.6 MB in the beginning and 123.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2240.72 ms. Allocated memory is still 156.2 MB. Free memory was 123.9 MB in the beginning and 108.6 MB in the end (delta: 15.3 MB). Peak memory consumption was 57.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 166259.86 ms. Allocated memory was 156.2 MB in the beginning and 2.4 GB in the end (delta: 2.3 GB). Free memory was 108.1 MB in the beginning and 2.3 GB in the end (delta: -2.2 GB). Peak memory consumption was 1.5 GB. 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: 882]: Loop Invariant Derived loop invariant: (((((((((((((0 <= a12 + 41 && a15 == 8) && a12 <= 2) || !(8 == \old(a15))) || (!(7 == a21) && a15 == 8)) || !(\old(a12) + 49 <= 0)) || a21 <= 6) || 7 == a15) || !(7 == \old(a21))) || (a12 <= 11 && a21 == 9)) || ((a24 == \old(a24) && a15 == 8) && a12 == \old(a12))) || 58 <= a12) || ((5 == a15 && !(7 == a21)) && a24 == 1)) || 10 <= a21) || a21 == 8 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 258 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 159.1s, OverallIterations: 18, TraceHistogramMax: 13, AutomataDifference: 45.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 515 SDtfs, 10302 SDslu, 726 SDs, 0 SdLazy, 21225 SolverSat, 2349 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 30.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 493 GetRequests, 310 SyntacticMatches, 3 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 290 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8517occurred in iteration=17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.1s AutomataMinimizationTime, 18 MinimizatonAttempts, 2210 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 822 PreInvPairs, 964 NumberOfFragments, 553 HoareAnnotationTreeSize, 822 FomulaSimplifications, 398877 FormulaSimplificationTreeSizeReduction, 2.1s HoareSimplificationTime, 9 FomulaSimplificationsInter, 26179 FormulaSimplificationTreeSizeReductionInter, 4.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 98.9s InterpolantComputationTime, 13751 NumberOfCodeBlocks, 13751 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 13733 ConstructedInterpolants, 0 QuantifiedInterpolants, 26901977 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 1 PerfectInterpolantSequences, 40905/43198 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...