/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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 SingleStatement --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 log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 17:21:18,199 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 17:21:18,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 17:21:18,244 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 17:21:18,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 17:21:18,253 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 17:21:18,256 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 17:21:18,258 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 17:21:18,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 17:21:18,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 17:21:18,265 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 17:21:18,267 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 17:21:18,267 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 17:21:18,271 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 17:21:18,273 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 17:21:18,275 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 17:21:18,277 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 17:21:18,278 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 17:21:18,280 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 17:21:18,288 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 17:21:18,290 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 17:21:18,291 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 17:21:18,293 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 17:21:18,294 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 17:21:18,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 17:21:18,309 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 17:21:18,309 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 17:21:18,311 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 17:21:18,311 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 17:21:18,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 17:21:18,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 17:21:18,316 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 17:21:18,317 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 17:21:18,318 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 17:21:18,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 17:21:18,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 17:21:18,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 17:21:18,321 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 17:21:18,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 17:21:18,322 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 17:21:18,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 17:21:18,324 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 [2020-09-24 17:21:18,354 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 17:21:18,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 17:21:18,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 17:21:18,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 17:21:18,358 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 17:21:18,359 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 17:21:18,359 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 17:21:18,359 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 17:21:18,359 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 17:21:18,359 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 17:21:18,359 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 17:21:18,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 17:21:18,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 17:21:18,360 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 17:21:18,360 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 17:21:18,360 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 17:21:18,361 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 17:21:18,362 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 17:21:18,363 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 17:21:18,363 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 17:21:18,363 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 17:21:18,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 17:21:18,363 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 17:21:18,364 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 17:21:18,364 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 17:21:18,364 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 17:21:18,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 17:21:18,365 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 17:21:18,365 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 17:21:18,365 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> SingleStatement 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;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;log-additional-information=true; [2020-09-24 17:21:18,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 17:21:18,875 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 17:21:18,879 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 17:21:18,881 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 17:21:18,882 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 17:21:18,884 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+lhb-reducer.c [2020-09-24 17:21:18,974 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9fd9f0d6f/a7203b0cfeb340f4905b7cb2ebb191bb/FLAG29954d4ec [2020-09-24 17:21:19,521 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 17:21:19,523 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+lhb-reducer.c [2020-09-24 17:21:19,540 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9fd9f0d6f/a7203b0cfeb340f4905b7cb2ebb191bb/FLAG29954d4ec [2020-09-24 17:21:19,850 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9fd9f0d6f/a7203b0cfeb340f4905b7cb2ebb191bb [2020-09-24 17:21:19,864 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 17:21:19,870 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 17:21:19,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 17:21:19,872 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 17:21:19,876 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 17:21:19,877 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 05:21:19" (1/1) ... [2020-09-24 17:21:19,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@180772d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:21:19, skipping insertion in model container [2020-09-24 17:21:19,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 05:21:19" (1/1) ... [2020-09-24 17:21:19,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 17:21:19,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 17:21:20,209 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 17:21:20,223 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 17:21:20,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 17:21:20,303 INFO L208 MainTranslator]: Completed translation [2020-09-24 17:21:20,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:21:20 WrapperNode [2020-09-24 17:21:20,304 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 17:21:20,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 17:21:20,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 17:21:20,305 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 17:21:20,403 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:21:20" (1/1) ... [2020-09-24 17:21:20,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:21:20" (1/1) ... [2020-09-24 17:21:20,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:21:20" (1/1) ... [2020-09-24 17:21:20,412 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:21:20" (1/1) ... [2020-09-24 17:21:20,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:21:20" (1/1) ... [2020-09-24 17:21:20,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:21:20" (1/1) ... [2020-09-24 17:21:20,427 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:21:20" (1/1) ... [2020-09-24 17:21:20,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 17:21:20,431 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 17:21:20,432 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 17:21:20,432 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 17:21:20,433 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:21:20" (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 [2020-09-24 17:21:20,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 17:21:20,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 17:21:20,503 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 17:21:20,504 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 17:21:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 17:21:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 17:21:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 17:21:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-24 17:21:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 17:21:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 17:21:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 17:21:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 17:21:21,049 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 17:21:21,049 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 17:21:21,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 05:21:21 BoogieIcfgContainer [2020-09-24 17:21:21,058 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 17:21:21,059 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 17:21:21,060 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 17:21:21,063 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 17:21:21,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 05:21:19" (1/3) ... [2020-09-24 17:21:21,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49ebbc30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 05:21:21, skipping insertion in model container [2020-09-24 17:21:21,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:21:20" (2/3) ... [2020-09-24 17:21:21,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49ebbc30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 05:21:21, skipping insertion in model container [2020-09-24 17:21:21,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 05:21:21" (3/3) ... [2020-09-24 17:21:21,068 INFO L109 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.v+lhb-reducer.c [2020-09-24 17:21:21,080 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 17:21:21,091 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 18 error locations. [2020-09-24 17:21:21,115 INFO L251 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2020-09-24 17:21:21,151 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 17:21:21,152 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 17:21:21,152 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 17:21:21,152 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 17:21:21,152 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 17:21:21,153 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 17:21:21,153 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 17:21:21,153 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 17:21:21,187 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states. [2020-09-24 17:21:21,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-24 17:21:21,196 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:21:21,198 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] [2020-09-24 17:21:21,199 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:21:21,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:21:21,207 INFO L82 PathProgramCache]: Analyzing trace with hash 150776909, now seen corresponding path program 1 times [2020-09-24 17:21:21,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:21:21,219 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [752631120] [2020-09-24 17:21:21,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:21:21,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:21:21,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:21,729 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:21:21,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-24 17:21:21,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:21:21,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 347 [2020-09-24 17:21:21,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:21:21,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 17:21:21,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 17:21:21,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 17:21:21,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 17:21:21,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:21:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:21:21,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:21,886 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:21:21,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:21:21,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:21:21,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 17:21:21,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:21:21,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:21:21,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:21:21,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:21:21,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:21:21,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:21:21,911 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [752631120] [2020-09-24 17:21:21,916 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:21:21,916 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 17:21:21,917 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655058168] [2020-09-24 17:21:21,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 17:21:21,927 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:21:21,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 17:21:21,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 17:21:21,949 INFO L87 Difference]: Start difference. First operand 223 states. Second operand 8 states. [2020-09-24 17:21:22,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:21:22,764 INFO L93 Difference]: Finished difference Result 339 states and 382 transitions. [2020-09-24 17:21:22,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 17:21:22,766 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2020-09-24 17:21:22,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:21:22,784 INFO L225 Difference]: With dead ends: 339 [2020-09-24 17:21:22,784 INFO L226 Difference]: Without dead ends: 287 [2020-09-24 17:21:22,789 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2020-09-24 17:21:22,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-09-24 17:21:22,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 193. [2020-09-24 17:21:22,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-09-24 17:21:22,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 197 transitions. [2020-09-24 17:21:22,859 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 197 transitions. Word has length 33 [2020-09-24 17:21:22,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:21:22,860 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 197 transitions. [2020-09-24 17:21:22,860 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 17:21:22,860 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 197 transitions. [2020-09-24 17:21:22,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-24 17:21:22,862 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:21:22,862 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] [2020-09-24 17:21:22,862 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 17:21:22,863 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:21:22,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:21:22,864 INFO L82 PathProgramCache]: Analyzing trace with hash 661447885, now seen corresponding path program 1 times [2020-09-24 17:21:22,864 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:21:22,864 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1995205489] [2020-09-24 17:21:22,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:21:22,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:21:22,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:23,111 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:21:23,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-24 17:21:23,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:21:23,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 227 [2020-09-24 17:21:23,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:21:23,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 17:21:23,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 17:21:23,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 17:21:23,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:21:23,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:21:23,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:21:23,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:23,195 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:21:23,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:21:23,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:21:23,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 17:21:23,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:21:23,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:21:23,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:21:23,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:21:23,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:21:23,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:21:23,205 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1995205489] [2020-09-24 17:21:23,205 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:21:23,205 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 17:21:23,206 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312357311] [2020-09-24 17:21:23,208 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 17:21:23,208 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:21:23,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 17:21:23,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 17:21:23,209 INFO L87 Difference]: Start difference. First operand 193 states and 197 transitions. Second operand 8 states. [2020-09-24 17:21:24,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:21:24,022 INFO L93 Difference]: Finished difference Result 287 states and 293 transitions. [2020-09-24 17:21:24,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 17:21:24,022 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2020-09-24 17:21:24,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:21:24,026 INFO L225 Difference]: With dead ends: 287 [2020-09-24 17:21:24,026 INFO L226 Difference]: Without dead ends: 285 [2020-09-24 17:21:24,028 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2020-09-24 17:21:24,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2020-09-24 17:21:24,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 191. [2020-09-24 17:21:24,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2020-09-24 17:21:24,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 195 transitions. [2020-09-24 17:21:24,043 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 195 transitions. Word has length 33 [2020-09-24 17:21:24,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:21:24,044 INFO L479 AbstractCegarLoop]: Abstraction has 191 states and 195 transitions. [2020-09-24 17:21:24,044 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 17:21:24,044 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 195 transitions. [2020-09-24 17:21:24,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-09-24 17:21:24,046 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:21:24,046 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] [2020-09-24 17:21:24,046 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 17:21:24,047 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:21:24,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:21:24,047 INFO L82 PathProgramCache]: Analyzing trace with hash -538052139, now seen corresponding path program 1 times [2020-09-24 17:21:24,048 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:21:24,048 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [479804412] [2020-09-24 17:21:24,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:21:24,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:21:24,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:24,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:24,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:24,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:24,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:25,630 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:21:25,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 17:21:25,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 17:21:25,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1570 [2020-09-24 17:21:25,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:21:25,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 17:21:25,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 17:21:25,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-24 17:21:25,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:21:25,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:21:25,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:21:25,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:25,759 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:21:25,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:21:25,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:21:25,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:21:25,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:21:25,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:21:25,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:21:25,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:21:25,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:21:25,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:21:25,766 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [479804412] [2020-09-24 17:21:25,767 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:21:25,767 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 17:21:25,767 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531365810] [2020-09-24 17:21:25,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 17:21:25,768 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:21:25,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 17:21:25,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-24 17:21:25,769 INFO L87 Difference]: Start difference. First operand 191 states and 195 transitions. Second operand 9 states. [2020-09-24 17:21:26,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:21:26,367 INFO L93 Difference]: Finished difference Result 257 states and 265 transitions. [2020-09-24 17:21:26,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 17:21:26,367 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 43 [2020-09-24 17:21:26,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:21:26,369 INFO L225 Difference]: With dead ends: 257 [2020-09-24 17:21:26,370 INFO L226 Difference]: Without dead ends: 255 [2020-09-24 17:21:26,370 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2020-09-24 17:21:26,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2020-09-24 17:21:26,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 189. [2020-09-24 17:21:26,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-09-24 17:21:26,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 193 transitions. [2020-09-24 17:21:26,384 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 193 transitions. Word has length 43 [2020-09-24 17:21:26,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:21:26,385 INFO L479 AbstractCegarLoop]: Abstraction has 189 states and 193 transitions. [2020-09-24 17:21:26,385 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 17:21:26,385 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 193 transitions. [2020-09-24 17:21:26,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-09-24 17:21:26,387 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:21:26,388 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] [2020-09-24 17:21:26,388 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 17:21:26,388 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:21:26,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:21:26,389 INFO L82 PathProgramCache]: Analyzing trace with hash -1061846924, now seen corresponding path program 1 times [2020-09-24 17:21:26,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:21:26,390 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1595748037] [2020-09-24 17:21:26,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:21:26,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:21:26,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:26,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:26,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:26,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:26,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:27,860 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:21:27,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 17:21:27,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 17:21:27,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1456 [2020-09-24 17:21:27,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:21:27,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 17:21:27,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 17:21:27,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-24 17:21:27,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:21:27,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:21:27,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:21:27,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:27,948 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:21:27,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:21:27,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:21:27,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:21:27,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:21:27,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:21:27,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:21:27,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:21:27,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:21:27,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:21:27,959 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1595748037] [2020-09-24 17:21:27,960 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:21:27,961 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 17:21:27,961 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685732858] [2020-09-24 17:21:27,962 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 17:21:27,962 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:21:27,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 17:21:27,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-24 17:21:27,963 INFO L87 Difference]: Start difference. First operand 189 states and 193 transitions. Second operand 9 states. [2020-09-24 17:21:28,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:21:28,611 INFO L93 Difference]: Finished difference Result 255 states and 263 transitions. [2020-09-24 17:21:28,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 17:21:28,612 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 43 [2020-09-24 17:21:28,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:21:28,614 INFO L225 Difference]: With dead ends: 255 [2020-09-24 17:21:28,615 INFO L226 Difference]: Without dead ends: 253 [2020-09-24 17:21:28,616 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2020-09-24 17:21:28,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2020-09-24 17:21:28,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 187. [2020-09-24 17:21:28,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-09-24 17:21:28,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 191 transitions. [2020-09-24 17:21:28,631 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 191 transitions. Word has length 43 [2020-09-24 17:21:28,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:21:28,632 INFO L479 AbstractCegarLoop]: Abstraction has 187 states and 191 transitions. [2020-09-24 17:21:28,632 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 17:21:28,632 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 191 transitions. [2020-09-24 17:21:28,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-24 17:21:28,637 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:21:28,637 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] [2020-09-24 17:21:28,637 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 17:21:28,637 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:21:28,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:21:28,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1029151645, now seen corresponding path program 1 times [2020-09-24 17:21:28,641 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:21:28,642 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2047701207] [2020-09-24 17:21:28,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:21:28,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:21:28,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:28,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:28,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:29,491 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:21:29,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 17:21:29,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 17:21:29,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 838 [2020-09-24 17:21:29,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:21:29,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 17:21:29,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-24 17:21:29,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 17:21:29,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:21:29,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:21:29,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:21:29,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:29,641 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:21:29,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:21:29,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:21:29,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:21:29,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:21:29,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:21:29,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:21:29,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:21:29,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:21:29,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:21:29,650 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2047701207] [2020-09-24 17:21:29,650 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:21:29,651 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 17:21:29,651 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896580205] [2020-09-24 17:21:29,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 17:21:29,652 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:21:29,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 17:21:29,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-09-24 17:21:29,652 INFO L87 Difference]: Start difference. First operand 187 states and 191 transitions. Second operand 10 states. [2020-09-24 17:21:30,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:21:30,248 INFO L93 Difference]: Finished difference Result 253 states and 261 transitions. [2020-09-24 17:21:30,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 17:21:30,249 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 48 [2020-09-24 17:21:30,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:21:30,251 INFO L225 Difference]: With dead ends: 253 [2020-09-24 17:21:30,251 INFO L226 Difference]: Without dead ends: 241 [2020-09-24 17:21:30,252 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2020-09-24 17:21:30,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2020-09-24 17:21:30,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 175. [2020-09-24 17:21:30,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2020-09-24 17:21:30,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 179 transitions. [2020-09-24 17:21:30,271 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 179 transitions. Word has length 48 [2020-09-24 17:21:30,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:21:30,272 INFO L479 AbstractCegarLoop]: Abstraction has 175 states and 179 transitions. [2020-09-24 17:21:30,272 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 17:21:30,272 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 179 transitions. [2020-09-24 17:21:30,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-24 17:21:30,276 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:21:30,276 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] [2020-09-24 17:21:30,277 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 17:21:30,277 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:21:30,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:21:30,277 INFO L82 PathProgramCache]: Analyzing trace with hash 1480933896, now seen corresponding path program 1 times [2020-09-24 17:21:30,278 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:21:30,280 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1036277913] [2020-09-24 17:21:30,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:21:30,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:21:30,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:30,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:30,583 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:21:30,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 17:21:30,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 17:21:30,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 288 [2020-09-24 17:21:30,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:21:30,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 17:21:30,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-24 17:21:30,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 17:21:30,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:21:30,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:21:30,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:21:30,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:30,708 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:21:30,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:21:30,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:21:30,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:21:30,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:21:30,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:21:30,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:21:30,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:21:30,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:21:30,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:21:30,715 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1036277913] [2020-09-24 17:21:30,716 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:21:30,717 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 17:21:30,717 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598721222] [2020-09-24 17:21:30,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 17:21:30,721 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:21:30,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 17:21:30,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-24 17:21:30,722 INFO L87 Difference]: Start difference. First operand 175 states and 179 transitions. Second operand 8 states. [2020-09-24 17:21:31,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:21:31,682 INFO L93 Difference]: Finished difference Result 374 states and 383 transitions. [2020-09-24 17:21:31,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 17:21:31,683 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 48 [2020-09-24 17:21:31,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:21:31,685 INFO L225 Difference]: With dead ends: 374 [2020-09-24 17:21:31,685 INFO L226 Difference]: Without dead ends: 372 [2020-09-24 17:21:31,687 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-09-24 17:21:31,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2020-09-24 17:21:31,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 173. [2020-09-24 17:21:31,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-09-24 17:21:31,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 177 transitions. [2020-09-24 17:21:31,697 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 177 transitions. Word has length 48 [2020-09-24 17:21:31,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:21:31,698 INFO L479 AbstractCegarLoop]: Abstraction has 173 states and 177 transitions. [2020-09-24 17:21:31,698 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 17:21:31,699 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 177 transitions. [2020-09-24 17:21:31,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-24 17:21:31,704 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:21:31,704 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] [2020-09-24 17:21:31,705 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 17:21:31,705 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:21:31,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:21:31,705 INFO L82 PathProgramCache]: Analyzing trace with hash 28591951, now seen corresponding path program 1 times [2020-09-24 17:21:31,706 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:21:31,706 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1261608698] [2020-09-24 17:21:31,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:21:31,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:21:31,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:31,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:31,981 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:21:31,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 17:21:31,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 17:21:31,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 262 [2020-09-24 17:21:31,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:21:31,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 17:21:31,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 17:21:31,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 17:21:31,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:21:32,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:21:32,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:21:32,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:32,036 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:21:32,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:21:32,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:21:32,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:21:32,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:21:32,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:21:32,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:21:32,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:21:32,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:21:32,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:21:32,043 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1261608698] [2020-09-24 17:21:32,043 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:21:32,044 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 17:21:32,044 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889751900] [2020-09-24 17:21:32,046 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 17:21:32,046 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:21:32,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 17:21:32,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-24 17:21:32,047 INFO L87 Difference]: Start difference. First operand 173 states and 177 transitions. Second operand 7 states. [2020-09-24 17:21:32,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:21:32,573 INFO L93 Difference]: Finished difference Result 256 states and 262 transitions. [2020-09-24 17:21:32,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 17:21:32,575 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 48 [2020-09-24 17:21:32,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:21:32,577 INFO L225 Difference]: With dead ends: 256 [2020-09-24 17:21:32,579 INFO L226 Difference]: Without dead ends: 254 [2020-09-24 17:21:32,580 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-09-24 17:21:32,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-09-24 17:21:32,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 171. [2020-09-24 17:21:32,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2020-09-24 17:21:32,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 175 transitions. [2020-09-24 17:21:32,590 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 175 transitions. Word has length 48 [2020-09-24 17:21:32,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:21:32,590 INFO L479 AbstractCegarLoop]: Abstraction has 171 states and 175 transitions. [2020-09-24 17:21:32,590 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 17:21:32,591 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 175 transitions. [2020-09-24 17:21:32,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-24 17:21:32,591 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:21:32,592 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] [2020-09-24 17:21:32,592 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 17:21:32,592 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:21:32,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:21:32,593 INFO L82 PathProgramCache]: Analyzing trace with hash -2081291309, now seen corresponding path program 1 times [2020-09-24 17:21:32,593 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:21:32,593 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1679524274] [2020-09-24 17:21:32,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:21:32,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:21:32,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:32,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:32,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:33,379 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:21:33,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 17:21:33,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 17:21:33,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 777 [2020-09-24 17:21:33,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:21:33,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 17:21:33,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-24 17:21:33,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 17:21:33,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:21:33,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:21:33,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:21:33,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:33,522 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:21:33,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:21:33,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:21:33,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:21:33,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:21:33,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:21:33,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:21:33,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:21:33,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:21:33,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:21:33,532 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1679524274] [2020-09-24 17:21:33,532 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:21:33,533 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 17:21:33,533 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918777490] [2020-09-24 17:21:33,534 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 17:21:33,534 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:21:33,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 17:21:33,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-09-24 17:21:33,535 INFO L87 Difference]: Start difference. First operand 171 states and 175 transitions. Second operand 10 states. [2020-09-24 17:21:34,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:21:34,234 INFO L93 Difference]: Finished difference Result 237 states and 244 transitions. [2020-09-24 17:21:34,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 17:21:34,235 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 48 [2020-09-24 17:21:34,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:21:34,236 INFO L225 Difference]: With dead ends: 237 [2020-09-24 17:21:34,237 INFO L226 Difference]: Without dead ends: 225 [2020-09-24 17:21:34,238 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2020-09-24 17:21:34,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-09-24 17:21:34,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 159. [2020-09-24 17:21:34,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-09-24 17:21:34,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 163 transitions. [2020-09-24 17:21:34,244 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 163 transitions. Word has length 48 [2020-09-24 17:21:34,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:21:34,244 INFO L479 AbstractCegarLoop]: Abstraction has 159 states and 163 transitions. [2020-09-24 17:21:34,244 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 17:21:34,244 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 163 transitions. [2020-09-24 17:21:34,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-24 17:21:34,246 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:21:34,246 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 17:21:34,246 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 17:21:34,247 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:21:34,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:21:34,247 INFO L82 PathProgramCache]: Analyzing trace with hash -1071744508, now seen corresponding path program 1 times [2020-09-24 17:21:34,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:21:34,248 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [921549604] [2020-09-24 17:21:34,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:21:34,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:21:34,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:34,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:34,538 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:21:34,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 17:21:34,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 17:21:34,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 278 [2020-09-24 17:21:34,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:21:34,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 17:21:34,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 17:21:34,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-24 17:21:34,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:21:34,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:21:34,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:21:34,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:34,602 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:21:34,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:21:34,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:21:34,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:21:34,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:21:34,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:21:34,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:21:34,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:21:34,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:21:34,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:21:34,629 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [921549604] [2020-09-24 17:21:34,629 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:21:34,630 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 17:21:34,630 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943397547] [2020-09-24 17:21:34,631 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 17:21:34,631 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:21:34,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 17:21:34,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-24 17:21:34,633 INFO L87 Difference]: Start difference. First operand 159 states and 163 transitions. Second operand 7 states. [2020-09-24 17:21:35,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:21:35,109 INFO L93 Difference]: Finished difference Result 229 states and 235 transitions. [2020-09-24 17:21:35,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 17:21:35,110 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2020-09-24 17:21:35,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:21:35,112 INFO L225 Difference]: With dead ends: 229 [2020-09-24 17:21:35,113 INFO L226 Difference]: Without dead ends: 227 [2020-09-24 17:21:35,114 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-09-24 17:21:35,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-09-24 17:21:35,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 157. [2020-09-24 17:21:35,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-09-24 17:21:35,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 161 transitions. [2020-09-24 17:21:35,121 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 161 transitions. Word has length 53 [2020-09-24 17:21:35,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:21:35,121 INFO L479 AbstractCegarLoop]: Abstraction has 157 states and 161 transitions. [2020-09-24 17:21:35,121 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 17:21:35,121 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 161 transitions. [2020-09-24 17:21:35,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-24 17:21:35,122 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:21:35,122 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 17:21:35,123 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 17:21:35,123 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:21:35,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:21:35,124 INFO L82 PathProgramCache]: Analyzing trace with hash 1179072694, now seen corresponding path program 1 times [2020-09-24 17:21:35,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:21:35,124 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [912092728] [2020-09-24 17:21:35,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:21:35,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:21:35,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:35,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:35,434 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:21:35,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 17:21:35,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 17:21:35,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 284 [2020-09-24 17:21:35,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:21:35,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 17:21:35,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 17:21:35,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-24 17:21:35,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:21:35,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:21:35,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:21:35,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:35,504 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:21:35,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:21:35,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:21:35,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:21:35,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:21:35,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:21:35,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:21:35,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:21:35,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:21:35,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:21:35,512 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [912092728] [2020-09-24 17:21:35,512 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:21:35,513 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 17:21:35,513 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576694684] [2020-09-24 17:21:35,513 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 17:21:35,514 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:21:35,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 17:21:35,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-24 17:21:35,514 INFO L87 Difference]: Start difference. First operand 157 states and 161 transitions. Second operand 7 states. [2020-09-24 17:21:35,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:21:35,958 INFO L93 Difference]: Finished difference Result 210 states and 216 transitions. [2020-09-24 17:21:35,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 17:21:35,959 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2020-09-24 17:21:35,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:21:35,960 INFO L225 Difference]: With dead ends: 210 [2020-09-24 17:21:35,961 INFO L226 Difference]: Without dead ends: 208 [2020-09-24 17:21:35,962 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-09-24 17:21:35,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-09-24 17:21:35,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 155. [2020-09-24 17:21:35,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-09-24 17:21:35,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 159 transitions. [2020-09-24 17:21:35,969 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 159 transitions. Word has length 53 [2020-09-24 17:21:35,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:21:35,969 INFO L479 AbstractCegarLoop]: Abstraction has 155 states and 159 transitions. [2020-09-24 17:21:35,969 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 17:21:35,969 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 159 transitions. [2020-09-24 17:21:35,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-24 17:21:35,970 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:21:35,970 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 17:21:35,970 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-24 17:21:35,970 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:21:35,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:21:35,971 INFO L82 PathProgramCache]: Analyzing trace with hash -960286218, now seen corresponding path program 1 times [2020-09-24 17:21:35,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:21:35,971 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1701709164] [2020-09-24 17:21:35,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:21:35,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:21:35,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:36,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:36,253 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:21:36,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 17:21:36,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 17:21:36,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 271 [2020-09-24 17:21:36,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:21:36,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 17:21:36,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 17:21:36,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-24 17:21:36,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:21:36,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:21:36,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:21:36,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:36,312 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:21:36,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:21:36,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:21:36,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:21:36,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:21:36,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:21:36,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:21:36,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:21:36,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:21:36,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:21:36,318 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1701709164] [2020-09-24 17:21:36,318 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:21:36,319 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 17:21:36,319 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401255800] [2020-09-24 17:21:36,319 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 17:21:36,319 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:21:36,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 17:21:36,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-24 17:21:36,320 INFO L87 Difference]: Start difference. First operand 155 states and 159 transitions. Second operand 7 states. [2020-09-24 17:21:36,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:21:36,667 INFO L93 Difference]: Finished difference Result 161 states and 165 transitions. [2020-09-24 17:21:36,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 17:21:36,668 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2020-09-24 17:21:36,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:21:36,669 INFO L225 Difference]: With dead ends: 161 [2020-09-24 17:21:36,669 INFO L226 Difference]: Without dead ends: 159 [2020-09-24 17:21:36,671 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-09-24 17:21:36,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-09-24 17:21:36,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 153. [2020-09-24 17:21:36,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-09-24 17:21:36,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 157 transitions. [2020-09-24 17:21:36,678 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 157 transitions. Word has length 53 [2020-09-24 17:21:36,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:21:36,678 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 157 transitions. [2020-09-24 17:21:36,678 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 17:21:36,678 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 157 transitions. [2020-09-24 17:21:36,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-24 17:21:36,679 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:21:36,679 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 17:21:36,679 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-24 17:21:36,680 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:21:36,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:21:36,681 INFO L82 PathProgramCache]: Analyzing trace with hash -1529900809, now seen corresponding path program 1 times [2020-09-24 17:21:36,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:21:36,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [14492354] [2020-09-24 17:21:36,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:21:36,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:21:36,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:36,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:37,314 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:21:37,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 17:21:37,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 17:21:37,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 621 [2020-09-24 17:21:37,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:21:37,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 17:21:37,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-24 17:21:37,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-24 17:21:37,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:21:37,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:21:37,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:21:37,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:37,469 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:21:37,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:21:37,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:21:37,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:21:37,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:21:37,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:21:37,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:21:37,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:21:37,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:21:37,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:21:37,478 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [14492354] [2020-09-24 17:21:37,479 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:21:37,479 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 17:21:37,479 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784183262] [2020-09-24 17:21:37,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 17:21:37,480 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:21:37,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 17:21:37,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-24 17:21:37,480 INFO L87 Difference]: Start difference. First operand 153 states and 157 transitions. Second operand 10 states. [2020-09-24 17:21:38,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:21:38,613 INFO L93 Difference]: Finished difference Result 317 states and 327 transitions. [2020-09-24 17:21:38,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 17:21:38,613 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 53 [2020-09-24 17:21:38,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:21:38,615 INFO L225 Difference]: With dead ends: 317 [2020-09-24 17:21:38,615 INFO L226 Difference]: Without dead ends: 315 [2020-09-24 17:21:38,617 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2020-09-24 17:21:38,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2020-09-24 17:21:38,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 151. [2020-09-24 17:21:38,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-09-24 17:21:38,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 155 transitions. [2020-09-24 17:21:38,625 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 155 transitions. Word has length 53 [2020-09-24 17:21:38,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:21:38,625 INFO L479 AbstractCegarLoop]: Abstraction has 151 states and 155 transitions. [2020-09-24 17:21:38,625 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 17:21:38,626 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 155 transitions. [2020-09-24 17:21:38,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-24 17:21:38,626 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:21:38,626 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 17:21:38,627 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-24 17:21:38,627 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:21:38,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:21:38,627 INFO L82 PathProgramCache]: Analyzing trace with hash -2001226185, now seen corresponding path program 1 times [2020-09-24 17:21:38,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:21:38,628 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [138104332] [2020-09-24 17:21:38,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:21:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:21:38,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:38,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:39,250 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:21:39,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 17:21:39,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 17:21:39,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 612 [2020-09-24 17:21:39,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:21:39,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 17:21:39,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-24 17:21:39,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-24 17:21:39,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:21:39,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:21:39,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:21:39,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:39,414 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:21:39,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:21:39,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:21:39,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:21:39,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:21:39,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:21:39,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:21:39,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:21:39,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:21:39,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:21:39,421 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [138104332] [2020-09-24 17:21:39,421 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:21:39,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 17:21:39,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57292367] [2020-09-24 17:21:39,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 17:21:39,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:21:39,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 17:21:39,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-24 17:21:39,423 INFO L87 Difference]: Start difference. First operand 151 states and 155 transitions. Second operand 10 states. [2020-09-24 17:21:40,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:21:40,279 INFO L93 Difference]: Finished difference Result 228 states and 234 transitions. [2020-09-24 17:21:40,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 17:21:40,280 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 53 [2020-09-24 17:21:40,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:21:40,282 INFO L225 Difference]: With dead ends: 228 [2020-09-24 17:21:40,282 INFO L226 Difference]: Without dead ends: 226 [2020-09-24 17:21:40,284 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2020-09-24 17:21:40,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-09-24 17:21:40,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 149. [2020-09-24 17:21:40,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2020-09-24 17:21:40,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 153 transitions. [2020-09-24 17:21:40,290 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 153 transitions. Word has length 53 [2020-09-24 17:21:40,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:21:40,290 INFO L479 AbstractCegarLoop]: Abstraction has 149 states and 153 transitions. [2020-09-24 17:21:40,290 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 17:21:40,291 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 153 transitions. [2020-09-24 17:21:40,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-24 17:21:40,291 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:21:40,291 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] [2020-09-24 17:21:40,292 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-24 17:21:40,292 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:21:40,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:21:40,292 INFO L82 PathProgramCache]: Analyzing trace with hash -1125742038, now seen corresponding path program 1 times [2020-09-24 17:21:40,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:21:40,293 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [505748040] [2020-09-24 17:21:40,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:21:40,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:21:40,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:40,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:41,252 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:21:41,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 17:21:41,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 17:21:41,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 949 [2020-09-24 17:21:41,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:21:41,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 17:21:41,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-24 17:21:41,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-24 17:21:41,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:21:41,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:21:41,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:21:41,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:41,399 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:21:41,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:21:41,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:21:41,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:21:41,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:21:41,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:21:41,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:21:41,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:21:41,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:21:41,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:21:41,409 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [505748040] [2020-09-24 17:21:41,410 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:21:41,410 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 17:21:41,410 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760942616] [2020-09-24 17:21:41,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 17:21:41,411 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:21:41,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 17:21:41,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-24 17:21:41,412 INFO L87 Difference]: Start difference. First operand 149 states and 153 transitions. Second operand 10 states. [2020-09-24 17:21:42,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:21:42,188 INFO L93 Difference]: Finished difference Result 274 states and 283 transitions. [2020-09-24 17:21:42,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 17:21:42,189 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2020-09-24 17:21:42,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:21:42,191 INFO L225 Difference]: With dead ends: 274 [2020-09-24 17:21:42,191 INFO L226 Difference]: Without dead ends: 272 [2020-09-24 17:21:42,191 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2020-09-24 17:21:42,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2020-09-24 17:21:42,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 193. [2020-09-24 17:21:42,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-09-24 17:21:42,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 202 transitions. [2020-09-24 17:21:42,201 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 202 transitions. Word has length 58 [2020-09-24 17:21:42,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:21:42,201 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 202 transitions. [2020-09-24 17:21:42,201 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 17:21:42,201 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 202 transitions. [2020-09-24 17:21:42,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-24 17:21:42,202 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:21:42,202 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] [2020-09-24 17:21:42,203 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-24 17:21:42,203 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:21:42,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:21:42,203 INFO L82 PathProgramCache]: Analyzing trace with hash 894302084, now seen corresponding path program 1 times [2020-09-24 17:21:42,203 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:21:42,204 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1043184013] [2020-09-24 17:21:42,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:21:42,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:21:42,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:42,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:43,146 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:21:43,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 17:21:43,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 17:21:43,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 923 [2020-09-24 17:21:43,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:21:43,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 17:21:43,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-24 17:21:43,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-24 17:21:43,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:21:43,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:21:43,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:21:43,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:43,275 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:21:43,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:21:43,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:21:43,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 17:21:43,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:21:43,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:21:43,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:21:43,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:21:43,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:21:43,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:21:43,284 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1043184013] [2020-09-24 17:21:43,284 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:21:43,284 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 17:21:43,285 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522389387] [2020-09-24 17:21:43,285 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 17:21:43,285 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:21:43,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 17:21:43,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-24 17:21:43,286 INFO L87 Difference]: Start difference. First operand 193 states and 202 transitions. Second operand 10 states. [2020-09-24 17:21:44,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:21:44,101 INFO L93 Difference]: Finished difference Result 269 states and 277 transitions. [2020-09-24 17:21:44,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 17:21:44,101 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2020-09-24 17:21:44,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:21:44,103 INFO L225 Difference]: With dead ends: 269 [2020-09-24 17:21:44,103 INFO L226 Difference]: Without dead ends: 267 [2020-09-24 17:21:44,103 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2020-09-24 17:21:44,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2020-09-24 17:21:44,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 193. [2020-09-24 17:21:44,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-09-24 17:21:44,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 201 transitions. [2020-09-24 17:21:44,117 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 201 transitions. Word has length 58 [2020-09-24 17:21:44,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:21:44,118 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 201 transitions. [2020-09-24 17:21:44,118 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 17:21:44,118 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 201 transitions. [2020-09-24 17:21:44,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-24 17:21:44,118 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:21:44,119 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] [2020-09-24 17:21:44,119 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-24 17:21:44,119 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:21:44,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:21:44,119 INFO L82 PathProgramCache]: Analyzing trace with hash 579772635, now seen corresponding path program 1 times [2020-09-24 17:21:44,120 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:21:44,120 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1976059492] [2020-09-24 17:21:44,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:21:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:21:44,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:44,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:44,995 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:21:44,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 17:21:44,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 17:21:44,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 863 [2020-09-24 17:21:44,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:21:44,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 17:21:44,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-24 17:21:44,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-24 17:21:44,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:21:45,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:21:45,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:21:45,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:45,141 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:21:45,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:21:45,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:21:45,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:21:45,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:21:45,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:21:45,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:21:45,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:21:45,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:21:45,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:21:45,153 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1976059492] [2020-09-24 17:21:45,156 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:21:45,156 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 17:21:45,157 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421159820] [2020-09-24 17:21:45,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 17:21:45,158 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:21:45,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 17:21:45,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-24 17:21:45,159 INFO L87 Difference]: Start difference. First operand 193 states and 201 transitions. Second operand 10 states. [2020-09-24 17:21:45,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:21:45,786 INFO L93 Difference]: Finished difference Result 205 states and 212 transitions. [2020-09-24 17:21:45,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 17:21:45,787 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2020-09-24 17:21:45,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:21:45,789 INFO L225 Difference]: With dead ends: 205 [2020-09-24 17:21:45,789 INFO L226 Difference]: Without dead ends: 193 [2020-09-24 17:21:45,790 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2020-09-24 17:21:45,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2020-09-24 17:21:45,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2020-09-24 17:21:45,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-09-24 17:21:45,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 200 transitions. [2020-09-24 17:21:45,798 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 200 transitions. Word has length 58 [2020-09-24 17:21:45,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:21:45,798 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 200 transitions. [2020-09-24 17:21:45,799 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 17:21:45,799 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 200 transitions. [2020-09-24 17:21:45,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-09-24 17:21:45,799 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:21:45,800 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] [2020-09-24 17:21:45,800 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-24 17:21:45,800 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:21:45,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:21:45,800 INFO L82 PathProgramCache]: Analyzing trace with hash -71318262, now seen corresponding path program 1 times [2020-09-24 17:21:45,801 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:21:45,801 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [882357551] [2020-09-24 17:21:45,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:21:45,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:21:45,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:45,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:45,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:46,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:48,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:48,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:48,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:48,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:48,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:48,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:52,440 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:21:52,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-09-24 17:21:52,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-09-24 17:21:52,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6629 [2020-09-24 17:21:52,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:21:52,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 17:21:52,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-24 17:21:52,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-24 17:21:52,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:21:52,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:21:52,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:21:52,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:52,665 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:21:52,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:21:52,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:21:52,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:21:52,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:21:52,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:21:52,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:21:52,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:21:52,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:21:52,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:21:52,674 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [882357551] [2020-09-24 17:21:52,674 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:21:52,674 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-24 17:21:52,674 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395748081] [2020-09-24 17:21:52,675 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 17:21:52,675 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:21:52,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 17:21:52,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2020-09-24 17:21:52,676 INFO L87 Difference]: Start difference. First operand 193 states and 200 transitions. Second operand 14 states. [2020-09-24 17:21:53,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:21:53,589 INFO L93 Difference]: Finished difference Result 193 states and 200 transitions. [2020-09-24 17:21:53,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 17:21:53,590 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 66 [2020-09-24 17:21:53,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:21:53,592 INFO L225 Difference]: With dead ends: 193 [2020-09-24 17:21:53,592 INFO L226 Difference]: Without dead ends: 191 [2020-09-24 17:21:53,593 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=146, Invalid=504, Unknown=0, NotChecked=0, Total=650 [2020-09-24 17:21:53,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2020-09-24 17:21:53,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2020-09-24 17:21:53,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2020-09-24 17:21:53,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 198 transitions. [2020-09-24 17:21:53,600 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 198 transitions. Word has length 66 [2020-09-24 17:21:53,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:21:53,601 INFO L479 AbstractCegarLoop]: Abstraction has 191 states and 198 transitions. [2020-09-24 17:21:53,601 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-24 17:21:53,601 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 198 transitions. [2020-09-24 17:21:53,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-09-24 17:21:53,602 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:21:53,602 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 17:21:53,602 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-24 17:21:53,602 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:21:53,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:21:53,603 INFO L82 PathProgramCache]: Analyzing trace with hash -1574098677, now seen corresponding path program 1 times [2020-09-24 17:21:53,603 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:21:53,603 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [710027313] [2020-09-24 17:21:53,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:21:53,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:21:53,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:53,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:53,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:54,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:55,864 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:21:55,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 17:21:55,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 17:21:55,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2250 [2020-09-24 17:21:55,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:21:55,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 17:21:55,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-09-24 17:21:55,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 17:21:55,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:21:55,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:21:55,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:21:55,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:55,905 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:21:55,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:21:55,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:21:55,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:21:55,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:21:55,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:21:55,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:21:55,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:21:55,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:21:55,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:21:55,912 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [710027313] [2020-09-24 17:21:55,912 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:21:55,912 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 17:21:55,918 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141646135] [2020-09-24 17:21:55,920 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 17:21:55,921 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:21:55,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 17:21:55,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-24 17:21:55,921 INFO L87 Difference]: Start difference. First operand 191 states and 198 transitions. Second operand 6 states. [2020-09-24 17:21:56,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:21:56,218 INFO L93 Difference]: Finished difference Result 191 states and 198 transitions. [2020-09-24 17:21:56,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 17:21:56,218 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 71 [2020-09-24 17:21:56,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:21:56,219 INFO L225 Difference]: With dead ends: 191 [2020-09-24 17:21:56,220 INFO L226 Difference]: Without dead ends: 124 [2020-09-24 17:21:56,221 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-24 17:21:56,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-09-24 17:21:56,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2020-09-24 17:21:56,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-09-24 17:21:56,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 127 transitions. [2020-09-24 17:21:56,226 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 127 transitions. Word has length 71 [2020-09-24 17:21:56,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:21:56,226 INFO L479 AbstractCegarLoop]: Abstraction has 124 states and 127 transitions. [2020-09-24 17:21:56,226 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 17:21:56,226 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 127 transitions. [2020-09-24 17:21:56,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-09-24 17:21:56,227 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:21:56,227 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 17:21:56,227 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-09-24 17:21:56,228 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:21:56,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:21:56,228 INFO L82 PathProgramCache]: Analyzing trace with hash 706583424, now seen corresponding path program 1 times [2020-09-24 17:21:56,228 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:21:56,229 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1895661917] [2020-09-24 17:21:56,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:21:56,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:21:56,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:56,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:56,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:59,630 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:21:59,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 17:21:59,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 17:21:59,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3390 [2020-09-24 17:21:59,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:21:59,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 17:21:59,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-24 17:21:59,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-24 17:21:59,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:21:59,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:21:59,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:21:59,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:21:59,766 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:21:59,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:21:59,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:21:59,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:21:59,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:21:59,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:21:59,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:21:59,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:21:59,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:21:59,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:21:59,783 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1895661917] [2020-09-24 17:21:59,783 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:21:59,783 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 17:21:59,784 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110818806] [2020-09-24 17:21:59,788 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 17:21:59,789 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:21:59,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 17:21:59,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-09-24 17:21:59,790 INFO L87 Difference]: Start difference. First operand 124 states and 127 transitions. Second operand 10 states. [2020-09-24 17:22:00,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:22:00,398 INFO L93 Difference]: Finished difference Result 175 states and 180 transitions. [2020-09-24 17:22:00,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 17:22:00,398 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 78 [2020-09-24 17:22:00,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:22:00,400 INFO L225 Difference]: With dead ends: 175 [2020-09-24 17:22:00,400 INFO L226 Difference]: Without dead ends: 173 [2020-09-24 17:22:00,401 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2020-09-24 17:22:00,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-09-24 17:22:00,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 122. [2020-09-24 17:22:00,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-09-24 17:22:00,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 125 transitions. [2020-09-24 17:22:00,413 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 125 transitions. Word has length 78 [2020-09-24 17:22:00,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:22:00,413 INFO L479 AbstractCegarLoop]: Abstraction has 122 states and 125 transitions. [2020-09-24 17:22:00,414 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 17:22:00,414 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 125 transitions. [2020-09-24 17:22:00,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-09-24 17:22:00,415 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:22:00,416 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 17:22:00,416 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-09-24 17:22:00,416 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:22:00,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:22:00,417 INFO L82 PathProgramCache]: Analyzing trace with hash -1568339750, now seen corresponding path program 1 times [2020-09-24 17:22:00,417 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:22:00,418 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1860089306] [2020-09-24 17:22:00,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:22:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:22:00,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:22:00,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:22:00,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:22:03,909 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:22:03,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 17:22:03,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 17:22:03,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3474 [2020-09-24 17:22:03,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:22:03,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 17:22:03,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-24 17:22:03,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-24 17:22:03,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:22:04,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:22:04,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:22:04,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:22:04,030 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:22:04,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:22:04,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:22:04,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:22:04,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:22:04,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:22:04,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:22:04,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:22:04,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:22:04,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:22:04,040 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1860089306] [2020-09-24 17:22:04,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:22:04,040 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 17:22:04,040 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780212195] [2020-09-24 17:22:04,041 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 17:22:04,041 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:22:04,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 17:22:04,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-09-24 17:22:04,042 INFO L87 Difference]: Start difference. First operand 122 states and 125 transitions. Second operand 10 states. [2020-09-24 17:22:04,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:22:04,523 INFO L93 Difference]: Finished difference Result 170 states and 175 transitions. [2020-09-24 17:22:04,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 17:22:04,524 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 78 [2020-09-24 17:22:04,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:22:04,527 INFO L225 Difference]: With dead ends: 170 [2020-09-24 17:22:04,528 INFO L226 Difference]: Without dead ends: 168 [2020-09-24 17:22:04,529 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2020-09-24 17:22:04,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2020-09-24 17:22:04,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 120. [2020-09-24 17:22:04,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-09-24 17:22:04,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 123 transitions. [2020-09-24 17:22:04,537 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 123 transitions. Word has length 78 [2020-09-24 17:22:04,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:22:04,537 INFO L479 AbstractCegarLoop]: Abstraction has 120 states and 123 transitions. [2020-09-24 17:22:04,537 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 17:22:04,538 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 123 transitions. [2020-09-24 17:22:04,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-09-24 17:22:04,544 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:22:04,545 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 17:22:04,545 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-09-24 17:22:04,545 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:22:04,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:22:04,546 INFO L82 PathProgramCache]: Analyzing trace with hash -1882869199, now seen corresponding path program 1 times [2020-09-24 17:22:04,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:22:04,546 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1416341874] [2020-09-24 17:22:04,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:22:04,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:22:04,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:22:04,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:22:04,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:22:07,921 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:22:07,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 17:22:07,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 17:22:07,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3357 [2020-09-24 17:22:07,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:22:07,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 17:22:07,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-24 17:22:07,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-24 17:22:07,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:22:08,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:22:08,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:22:08,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:22:08,042 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:22:08,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:22:08,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:22:08,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:22:08,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:22:08,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:22:08,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:22:08,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:22:08,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:22:08,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:22:08,053 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1416341874] [2020-09-24 17:22:08,053 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:22:08,053 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 17:22:08,053 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32312105] [2020-09-24 17:22:08,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 17:22:08,054 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:22:08,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 17:22:08,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-09-24 17:22:08,056 INFO L87 Difference]: Start difference. First operand 120 states and 123 transitions. Second operand 10 states. [2020-09-24 17:22:08,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:22:08,468 INFO L93 Difference]: Finished difference Result 120 states and 123 transitions. [2020-09-24 17:22:08,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 17:22:08,469 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 78 [2020-09-24 17:22:08,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:22:08,469 INFO L225 Difference]: With dead ends: 120 [2020-09-24 17:22:08,469 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 17:22:08,470 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-09-24 17:22:08,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 17:22:08,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 17:22:08,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 17:22:08,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 17:22:08,471 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2020-09-24 17:22:08,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:22:08,471 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 17:22:08,471 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 17:22:08,472 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 17:22:08,472 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 17:22:08,472 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-09-24 17:22:08,474 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 17:22:08,720 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 30 [2020-09-24 17:22:08,950 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 56 [2020-09-24 17:22:09,101 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 23 [2020-09-24 17:22:09,445 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 27 [2020-09-24 17:22:09,448 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-24 17:22:09,448 INFO L268 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-09-24 17:22:09,449 INFO L268 CegarLoopResult]: For program point L11(line 11) no Hoare annotation was computed. [2020-09-24 17:22:09,449 INFO L268 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2020-09-24 17:22:09,449 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~__tmp_383_0~0 |old(~__tmp_383_0~0)|) (= ~__tmp_259_0~0 |old(~__tmp_259_0~0)|) (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_305~0 |old(~__return_305~0)|)) [2020-09-24 17:22:09,449 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-24 17:22:09,449 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-24 17:22:09,449 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-24 17:22:09,450 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-24 17:22:09,450 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-24 17:22:09,450 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 4 6) no Hoare annotation was computed. [2020-09-24 17:22:09,450 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-09-24 17:22:09,450 INFO L268 CegarLoopResult]: For program point L5-1(line 5) no Hoare annotation was computed. [2020-09-24 17:22:09,450 INFO L268 CegarLoopResult]: For program point L5-3(lines 4 6) no Hoare annotation was computed. [2020-09-24 17:22:09,450 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 4 6) no Hoare annotation was computed. [2020-09-24 17:22:09,450 INFO L268 CegarLoopResult]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 112) no Hoare annotation was computed. [2020-09-24 17:22:09,451 INFO L264 CegarLoopResult]: At program point L382(lines 280 389) the Hoare annotation is: (let ((.cse0 (not (= main_~__tmp_14~0 0))) (.cse1 (<= (+ main_~main__t~0 1) main_~main__tagbuf_len~0)) (.cse2 (not (= main_~__VERIFIER_assert__cond~13 0))) (.cse3 (= main_~__VERIFIER_assert__cond~12 1)) (.cse4 (= main_~__tmp_13~0 1)) (.cse5 (<= 0 main_~main__t~0))) (or (and .cse0 .cse1 (= main_~__VERIFIER_assert__cond~13 1) (= main_~__tmp_14~0 1) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= 1 main_~__VERIFIER_assert__cond~19) (<= 1 main_~__tmp_20~0)))) [2020-09-24 17:22:09,451 INFO L264 CegarLoopResult]: At program point L349(lines 30 393) the Hoare annotation is: (and (<= (+ main_~main__t~0 1) main_~main__tagbuf_len~0) (<= 0 main_~main__t~0)) [2020-09-24 17:22:09,451 INFO L268 CegarLoopResult]: For program point L217(line 217) no Hoare annotation was computed. [2020-09-24 17:22:09,451 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 13 400) no Hoare annotation was computed. [2020-09-24 17:22:09,451 INFO L268 CegarLoopResult]: For program point L184(lines 184 194) no Hoare annotation was computed. [2020-09-24 17:22:09,451 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-24 17:22:09,452 INFO L268 CegarLoopResult]: For program point L234(line 234) no Hoare annotation was computed. [2020-09-24 17:22:09,452 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-09-24 17:22:09,452 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-09-24 17:22:09,452 INFO L268 CegarLoopResult]: For program point L102-1(line 102) no Hoare annotation was computed. [2020-09-24 17:22:09,452 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-09-24 17:22:09,452 INFO L268 CegarLoopResult]: For program point L102-2(line 102) no Hoare annotation was computed. [2020-09-24 17:22:09,452 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-09-24 17:22:09,452 INFO L268 CegarLoopResult]: For program point L218(line 218) no Hoare annotation was computed. [2020-09-24 17:22:09,453 INFO L268 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-09-24 17:22:09,453 INFO L268 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-09-24 17:22:09,453 INFO L268 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed. [2020-09-24 17:22:09,453 INFO L268 CegarLoopResult]: For program point L301(line 301) no Hoare annotation was computed. [2020-09-24 17:22:09,453 INFO L268 CegarLoopResult]: For program point mainErr14ASSERT_VIOLATIONERROR_FUNCTION(line 331) no Hoare annotation was computed. [2020-09-24 17:22:09,453 INFO L268 CegarLoopResult]: For program point L235(line 235) no Hoare annotation was computed. [2020-09-24 17:22:09,453 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-09-24 17:22:09,453 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-24 17:22:09,454 INFO L268 CegarLoopResult]: For program point L103(lines 103 207) no Hoare annotation was computed. [2020-09-24 17:22:09,454 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-09-24 17:22:09,454 INFO L268 CegarLoopResult]: For program point L37(lines 37 253) no Hoare annotation was computed. [2020-09-24 17:22:09,454 INFO L268 CegarLoopResult]: For program point L285(line 285) no Hoare annotation was computed. [2020-09-24 17:22:09,454 INFO L268 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-09-24 17:22:09,454 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-09-24 17:22:09,454 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-09-24 17:22:09,454 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-09-24 17:22:09,455 INFO L268 CegarLoopResult]: For program point L21(line 21) no Hoare annotation was computed. [2020-09-24 17:22:09,455 INFO L268 CegarLoopResult]: For program point L302(line 302) no Hoare annotation was computed. [2020-09-24 17:22:09,455 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 13 400) no Hoare annotation was computed. [2020-09-24 17:22:09,455 INFO L268 CegarLoopResult]: For program point mainErr13ASSERT_VIOLATIONERROR_FUNCTION(line 307) no Hoare annotation was computed. [2020-09-24 17:22:09,455 INFO L268 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-09-24 17:22:09,455 INFO L268 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-09-24 17:22:09,455 INFO L268 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-09-24 17:22:09,456 INFO L268 CegarLoopResult]: For program point L286(lines 286 388) no Hoare annotation was computed. [2020-09-24 17:22:09,456 INFO L268 CegarLoopResult]: For program point L220(lines 220 242) no Hoare annotation was computed. [2020-09-24 17:22:09,456 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-09-24 17:22:09,456 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-09-24 17:22:09,456 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-24 17:22:09,456 INFO L268 CegarLoopResult]: For program point L22(lines 22 394) no Hoare annotation was computed. [2020-09-24 17:22:09,456 INFO L268 CegarLoopResult]: For program point L303(line 303) no Hoare annotation was computed. [2020-09-24 17:22:09,456 INFO L268 CegarLoopResult]: For program point L270(line 270) no Hoare annotation was computed. [2020-09-24 17:22:09,456 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-09-24 17:22:09,457 INFO L268 CegarLoopResult]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 186) no Hoare annotation was computed. [2020-09-24 17:22:09,457 INFO L268 CegarLoopResult]: For program point L138(lines 138 160) no Hoare annotation was computed. [2020-09-24 17:22:09,457 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-09-24 17:22:09,457 INFO L268 CegarLoopResult]: For program point L320(line 320) no Hoare annotation was computed. [2020-09-24 17:22:09,457 INFO L268 CegarLoopResult]: For program point L122(lines 122 199) no Hoare annotation was computed. [2020-09-24 17:22:09,457 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-09-24 17:22:09,457 INFO L268 CegarLoopResult]: For program point L370(line 370) no Hoare annotation was computed. [2020-09-24 17:22:09,457 INFO L268 CegarLoopResult]: For program point L337(line 337) no Hoare annotation was computed. [2020-09-24 17:22:09,458 INFO L268 CegarLoopResult]: For program point L304(line 304) no Hoare annotation was computed. [2020-09-24 17:22:09,458 INFO L268 CegarLoopResult]: For program point L271(line 271) no Hoare annotation was computed. [2020-09-24 17:22:09,458 INFO L268 CegarLoopResult]: For program point mainErr15ASSERT_VIOLATIONERROR_FUNCTION(line 343) no Hoare annotation was computed. [2020-09-24 17:22:09,458 INFO L268 CegarLoopResult]: For program point L172(lines 172 196) no Hoare annotation was computed. [2020-09-24 17:22:09,458 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-09-24 17:22:09,458 INFO L268 CegarLoopResult]: For program point L321(line 321) no Hoare annotation was computed. [2020-09-24 17:22:09,458 INFO L268 CegarLoopResult]: For program point L321-1(line 321) no Hoare annotation was computed. [2020-09-24 17:22:09,458 INFO L268 CegarLoopResult]: For program point L321-2(line 321) no Hoare annotation was computed. [2020-09-24 17:22:09,459 INFO L268 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-09-24 17:22:09,459 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-09-24 17:22:09,459 INFO L268 CegarLoopResult]: For program point L371(line 371) no Hoare annotation was computed. [2020-09-24 17:22:09,459 INFO L268 CegarLoopResult]: For program point L338(line 338) no Hoare annotation was computed. [2020-09-24 17:22:09,459 INFO L268 CegarLoopResult]: For program point L305(lines 305 313) no Hoare annotation was computed. [2020-09-24 17:22:09,459 INFO L268 CegarLoopResult]: For program point L272(line 272) no Hoare annotation was computed. [2020-09-24 17:22:09,459 INFO L268 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-09-24 17:22:09,459 INFO L268 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-09-24 17:22:09,460 INFO L268 CegarLoopResult]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 234) no Hoare annotation was computed. [2020-09-24 17:22:09,460 INFO L268 CegarLoopResult]: For program point L322(lines 322 387) no Hoare annotation was computed. [2020-09-24 17:22:09,460 INFO L268 CegarLoopResult]: For program point L289(line 289) no Hoare annotation was computed. [2020-09-24 17:22:09,460 INFO L268 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2020-09-24 17:22:09,460 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-09-24 17:22:09,460 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-09-24 17:22:09,460 INFO L268 CegarLoopResult]: For program point L372(line 372) no Hoare annotation was computed. [2020-09-24 17:22:09,460 INFO L268 CegarLoopResult]: For program point L339(line 339) no Hoare annotation was computed. [2020-09-24 17:22:09,461 INFO L268 CegarLoopResult]: For program point L273(line 273) no Hoare annotation was computed. [2020-09-24 17:22:09,461 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-09-24 17:22:09,461 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-09-24 17:22:09,461 INFO L268 CegarLoopResult]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 222) no Hoare annotation was computed. [2020-09-24 17:22:09,461 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-09-24 17:22:09,461 INFO L268 CegarLoopResult]: For program point L290(line 290) no Hoare annotation was computed. [2020-09-24 17:22:09,462 INFO L268 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-09-24 17:22:09,462 INFO L268 CegarLoopResult]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 124) no Hoare annotation was computed. [2020-09-24 17:22:09,462 INFO L268 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-09-24 17:22:09,462 INFO L268 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-09-24 17:22:09,462 INFO L268 CegarLoopResult]: For program point L373(line 373) no Hoare annotation was computed. [2020-09-24 17:22:09,462 INFO L268 CegarLoopResult]: For program point L340(line 340) no Hoare annotation was computed. [2020-09-24 17:22:09,463 INFO L268 CegarLoopResult]: For program point L307(line 307) no Hoare annotation was computed. [2020-09-24 17:22:09,463 INFO L268 CegarLoopResult]: For program point L274(lines 274 389) no Hoare annotation was computed. [2020-09-24 17:22:09,463 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-24 17:22:09,463 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-24 17:22:09,463 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-09-24 17:22:09,463 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-09-24 17:22:09,463 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-09-24 17:22:09,463 INFO L268 CegarLoopResult]: For program point L374(lines 374 383) no Hoare annotation was computed. [2020-09-24 17:22:09,463 INFO L268 CegarLoopResult]: For program point L341(lines 341 350) no Hoare annotation was computed. [2020-09-24 17:22:09,464 INFO L268 CegarLoopResult]: For program point L308(line 308) no Hoare annotation was computed. [2020-09-24 17:22:09,464 INFO L268 CegarLoopResult]: For program point L110(lines 110 201) no Hoare annotation was computed. [2020-09-24 17:22:09,464 INFO L268 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-09-24 17:22:09,464 INFO L268 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-09-24 17:22:09,464 INFO L268 CegarLoopResult]: For program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 276) no Hoare annotation was computed. [2020-09-24 17:22:09,464 INFO L268 CegarLoopResult]: For program point L358(line 358) no Hoare annotation was computed. [2020-09-24 17:22:09,464 INFO L268 CegarLoopResult]: For program point L325(line 325) no Hoare annotation was computed. [2020-09-24 17:22:09,464 INFO L268 CegarLoopResult]: For program point L292(line 292) no Hoare annotation was computed. [2020-09-24 17:22:09,465 INFO L268 CegarLoopResult]: For program point L259(line 259) no Hoare annotation was computed. [2020-09-24 17:22:09,465 INFO L264 CegarLoopResult]: At program point L193(lines 54 251) the Hoare annotation is: (and (<= 1 main_~main__t~0) (<= main_~main__t~0 main_~main__tagbuf_len~0)) [2020-09-24 17:22:09,465 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-09-24 17:22:09,465 INFO L268 CegarLoopResult]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 152) no Hoare annotation was computed. [2020-09-24 17:22:09,465 INFO L268 CegarLoopResult]: For program point L276(line 276) no Hoare annotation was computed. [2020-09-24 17:22:09,465 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-09-24 17:22:09,465 INFO L268 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-09-24 17:22:09,465 INFO L268 CegarLoopResult]: For program point L359(line 359) no Hoare annotation was computed. [2020-09-24 17:22:09,466 INFO L268 CegarLoopResult]: For program point L326(line 326) no Hoare annotation was computed. [2020-09-24 17:22:09,466 INFO L268 CegarLoopResult]: For program point L293(lines 293 315) no Hoare annotation was computed. [2020-09-24 17:22:09,466 INFO L268 CegarLoopResult]: For program point L260(line 260) no Hoare annotation was computed. [2020-09-24 17:22:09,466 INFO L268 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-09-24 17:22:09,466 INFO L268 CegarLoopResult]: For program point L29-1(line 29) no Hoare annotation was computed. [2020-09-24 17:22:09,466 INFO L268 CegarLoopResult]: For program point L29-2(line 29) no Hoare annotation was computed. [2020-09-24 17:22:09,466 INFO L268 CegarLoopResult]: For program point L376(line 376) no Hoare annotation was computed. [2020-09-24 17:22:09,466 INFO L268 CegarLoopResult]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 140) no Hoare annotation was computed. [2020-09-24 17:22:09,466 INFO L268 CegarLoopResult]: For program point L343(line 343) no Hoare annotation was computed. [2020-09-24 17:22:09,466 INFO L268 CegarLoopResult]: For program point L277(line 277) no Hoare annotation was computed. [2020-09-24 17:22:09,467 INFO L268 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-09-24 17:22:09,467 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-09-24 17:22:09,467 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-09-24 17:22:09,467 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-09-24 17:22:09,467 INFO L268 CegarLoopResult]: For program point L360(line 360) no Hoare annotation was computed. [2020-09-24 17:22:09,467 INFO L268 CegarLoopResult]: For program point L327(line 327) no Hoare annotation was computed. [2020-09-24 17:22:09,467 INFO L268 CegarLoopResult]: For program point L261(line 261) no Hoare annotation was computed. [2020-09-24 17:22:09,467 INFO L268 CegarLoopResult]: For program point L228(line 228) no Hoare annotation was computed. [2020-09-24 17:22:09,467 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-09-24 17:22:09,468 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 50) no Hoare annotation was computed. [2020-09-24 17:22:09,468 INFO L268 CegarLoopResult]: For program point L30(lines 30 393) no Hoare annotation was computed. [2020-09-24 17:22:09,468 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 13 400) the Hoare annotation is: (and (= |old(~__tmp_259_0~0)| ~__tmp_259_0~0) (= |old(~__return_305~0)| ~__return_305~0) (= |old(~__tmp_383_0~0)| ~__tmp_383_0~0)) [2020-09-24 17:22:09,468 INFO L268 CegarLoopResult]: For program point L377(line 377) no Hoare annotation was computed. [2020-09-24 17:22:09,468 INFO L268 CegarLoopResult]: For program point L344(line 344) no Hoare annotation was computed. [2020-09-24 17:22:09,468 INFO L268 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-09-24 17:22:09,468 INFO L268 CegarLoopResult]: For program point L212-1(line 212) no Hoare annotation was computed. [2020-09-24 17:22:09,468 INFO L268 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-09-24 17:22:09,469 INFO L268 CegarLoopResult]: For program point L212-2(line 212) no Hoare annotation was computed. [2020-09-24 17:22:09,469 INFO L268 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-09-24 17:22:09,469 INFO L268 CegarLoopResult]: For program point L80(lines 80 90) no Hoare annotation was computed. [2020-09-24 17:22:09,469 INFO L268 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-09-24 17:22:09,469 INFO L268 CegarLoopResult]: For program point L361(line 361) no Hoare annotation was computed. [2020-09-24 17:22:09,469 INFO L268 CegarLoopResult]: For program point L328(line 328) no Hoare annotation was computed. [2020-09-24 17:22:09,469 INFO L268 CegarLoopResult]: For program point L295(line 295) no Hoare annotation was computed. [2020-09-24 17:22:09,469 INFO L268 CegarLoopResult]: For program point mainErr16ASSERT_VIOLATIONERROR_FUNCTION(line 364) no Hoare annotation was computed. [2020-09-24 17:22:09,469 INFO L268 CegarLoopResult]: For program point L262(line 262) no Hoare annotation was computed. [2020-09-24 17:22:09,470 INFO L268 CegarLoopResult]: For program point L229(line 229) no Hoare annotation was computed. [2020-09-24 17:22:09,470 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-24 17:22:09,470 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-09-24 17:22:09,470 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-09-24 17:22:09,470 INFO L268 CegarLoopResult]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 174) no Hoare annotation was computed. [2020-09-24 17:22:09,470 INFO L264 CegarLoopResult]: At program point L312(lines 30 393) the Hoare annotation is: (<= main_~main__t~0 main_~main__tagbuf_len~0) [2020-09-24 17:22:09,470 INFO L268 CegarLoopResult]: For program point L213(lines 213 248) no Hoare annotation was computed. [2020-09-24 17:22:09,470 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-09-24 17:22:09,470 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-09-24 17:22:09,470 INFO L268 CegarLoopResult]: For program point L48(lines 48 251) no Hoare annotation was computed. [2020-09-24 17:22:09,471 INFO L268 CegarLoopResult]: For program point L362(lines 362 385) no Hoare annotation was computed. [2020-09-24 17:22:09,471 INFO L268 CegarLoopResult]: For program point L329(lines 329 352) no Hoare annotation was computed. [2020-09-24 17:22:09,471 INFO L268 CegarLoopResult]: For program point L296(line 296) no Hoare annotation was computed. [2020-09-24 17:22:09,471 INFO L268 CegarLoopResult]: For program point L263(lines 263 391) no Hoare annotation was computed. [2020-09-24 17:22:09,471 INFO L268 CegarLoopResult]: For program point L230(line 230) no Hoare annotation was computed. [2020-09-24 17:22:09,471 INFO L268 CegarLoopResult]: For program point L131(lines 131 198) no Hoare annotation was computed. [2020-09-24 17:22:09,471 INFO L268 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-09-24 17:22:09,471 INFO L268 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-09-24 17:22:09,471 INFO L268 CegarLoopResult]: For program point L98-1(line 98) no Hoare annotation was computed. [2020-09-24 17:22:09,472 INFO L268 CegarLoopResult]: For program point L98-2(line 98) no Hoare annotation was computed. [2020-09-24 17:22:09,472 INFO L268 CegarLoopResult]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2020-09-24 17:22:09,472 INFO L264 CegarLoopResult]: At program point L247(lines 99 249) the Hoare annotation is: (and (<= (+ main_~main__t~0 1) main_~main__tagbuf_len~0) (<= 1 main_~main__t~0)) [2020-09-24 17:22:09,472 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-09-24 17:22:09,472 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-09-24 17:22:09,472 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-24 17:22:09,472 INFO L268 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed. [2020-09-24 17:22:09,472 INFO L268 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2020-09-24 17:22:09,472 INFO L268 CegarLoopResult]: For program point L99(lines 99 249) no Hoare annotation was computed. [2020-09-24 17:22:09,473 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-09-24 17:22:09,473 INFO L268 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-09-24 17:22:09,473 INFO L268 CegarLoopResult]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 70) no Hoare annotation was computed. [2020-09-24 17:22:09,473 INFO L268 CegarLoopResult]: For program point L281(line 281) no Hoare annotation was computed. [2020-09-24 17:22:09,473 INFO L268 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-09-24 17:22:09,473 INFO L268 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-09-24 17:22:09,473 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-09-24 17:22:09,473 INFO L268 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-09-24 17:22:09,473 INFO L268 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed. [2020-09-24 17:22:09,473 INFO L268 CegarLoopResult]: For program point L17-1(line 17) no Hoare annotation was computed. [2020-09-24 17:22:09,474 INFO L268 CegarLoopResult]: For program point L17-2(line 17) no Hoare annotation was computed. [2020-09-24 17:22:09,474 INFO L268 CegarLoopResult]: For program point L364(line 364) no Hoare annotation was computed. [2020-09-24 17:22:09,474 INFO L268 CegarLoopResult]: For program point L331(line 331) no Hoare annotation was computed. [2020-09-24 17:22:09,474 INFO L268 CegarLoopResult]: For program point L265(line 265) no Hoare annotation was computed. [2020-09-24 17:22:09,474 INFO L268 CegarLoopResult]: For program point L232(lines 232 240) no Hoare annotation was computed. [2020-09-24 17:22:09,474 INFO L268 CegarLoopResult]: For program point mainErr17ASSERT_VIOLATIONERROR_FUNCTION(line 376) no Hoare annotation was computed. [2020-09-24 17:22:09,474 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-24 17:22:09,474 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-09-24 17:22:09,474 INFO L268 CegarLoopResult]: For program point L381(line 381) no Hoare annotation was computed. [2020-09-24 17:22:09,475 INFO L268 CegarLoopResult]: For program point L348(line 348) no Hoare annotation was computed. [2020-09-24 17:22:09,475 INFO L268 CegarLoopResult]: For program point L216(line 216) no Hoare annotation was computed. [2020-09-24 17:22:09,475 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-09-24 17:22:09,475 INFO L268 CegarLoopResult]: For program point L150(lines 150 158) no Hoare annotation was computed. [2020-09-24 17:22:09,475 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-09-24 17:22:09,475 INFO L268 CegarLoopResult]: For program point L18(lines 18 399) no Hoare annotation was computed. [2020-09-24 17:22:09,475 INFO L268 CegarLoopResult]: For program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 295) no Hoare annotation was computed. [2020-09-24 17:22:09,475 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-09-24 17:22:09,475 INFO L268 CegarLoopResult]: For program point L365(line 365) no Hoare annotation was computed. [2020-09-24 17:22:09,475 INFO L268 CegarLoopResult]: For program point L332(line 332) no Hoare annotation was computed. [2020-09-24 17:22:09,476 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-09-24 17:22:09,476 INFO L268 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-09-24 17:22:09,476 INFO L268 CegarLoopResult]: For program point L68(lines 68 92) no Hoare annotation was computed. [2020-09-24 17:22:09,476 INFO L268 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-09-24 17:22:09,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 05:22:09 BoogieIcfgContainer [2020-09-24 17:22:09,518 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 17:22:09,520 INFO L168 Benchmark]: Toolchain (without parser) took 49654.39 ms. Allocated memory was 141.0 MB in the beginning and 473.4 MB in the end (delta: 332.4 MB). Free memory was 104.6 MB in the beginning and 439.7 MB in the end (delta: -335.1 MB). Peak memory consumption was 337.0 MB. Max. memory is 7.1 GB. [2020-09-24 17:22:09,521 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.7 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 17:22:09,522 INFO L168 Benchmark]: CACSL2BoogieTranslator took 433.37 ms. Allocated memory is still 141.0 MB. Free memory was 103.9 MB in the beginning and 90.6 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. [2020-09-24 17:22:09,522 INFO L168 Benchmark]: Boogie Preprocessor took 126.02 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 90.6 MB in the beginning and 181.3 MB in the end (delta: -90.7 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. [2020-09-24 17:22:09,523 INFO L168 Benchmark]: RCFGBuilder took 626.77 ms. Allocated memory is still 203.9 MB. Free memory was 181.3 MB in the beginning and 144.1 MB in the end (delta: 37.2 MB). Peak memory consumption was 37.2 MB. Max. memory is 7.1 GB. [2020-09-24 17:22:09,524 INFO L168 Benchmark]: TraceAbstraction took 48458.85 ms. Allocated memory was 203.9 MB in the beginning and 473.4 MB in the end (delta: 269.5 MB). Free memory was 143.4 MB in the beginning and 439.7 MB in the end (delta: -296.3 MB). Peak memory consumption was 312.9 MB. Max. memory is 7.1 GB. [2020-09-24 17:22:09,527 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.7 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 433.37 ms. Allocated memory is still 141.0 MB. Free memory was 103.9 MB in the beginning and 90.6 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.02 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 90.6 MB in the beginning and 181.3 MB in the end (delta: -90.7 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 626.77 ms. Allocated memory is still 203.9 MB. Free memory was 181.3 MB in the beginning and 144.1 MB in the end (delta: 37.2 MB). Peak memory consumption was 37.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 48458.85 ms. Allocated memory was 203.9 MB in the beginning and 473.4 MB in the end (delta: 269.5 MB). Free memory was 143.4 MB in the beginning and 439.7 MB in the end (delta: -296.3 MB). Peak memory consumption was 312.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 50]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 343]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 364]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 174]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 186]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 307]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 222]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 234]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 331]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 295]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 124]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 276]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 376]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 82]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 152]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 140]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 112]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 70]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 18 specifications checked. All of them hold - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 <= main__t && main__t <= main__tagbuf_len - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: main__t + 1 <= main__tagbuf_len && 1 <= main__t - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: main__t + 1 <= main__tagbuf_len && 0 <= main__t - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: main__t <= main__tagbuf_len - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: (((((((!(__tmp_14 == 0) && main__t + 1 <= main__tagbuf_len) && __VERIFIER_assert__cond == 1) && __tmp_14 == 1) && !(__VERIFIER_assert__cond == 0)) && __VERIFIER_assert__cond == 1) && __tmp_13 == 1) && 0 <= main__t) || (((((((!(__tmp_14 == 0) && main__t + 1 <= main__tagbuf_len) && !(__VERIFIER_assert__cond == 0)) && __VERIFIER_assert__cond == 1) && __tmp_13 == 1) && 0 <= main__t) && 1 <= __VERIFIER_assert__cond) && 1 <= __tmp_20) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 228 locations, 18 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 47.3s, OverallIterations: 21, TraceHistogramMax: 1, AutomataDifference: 13.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3657 SDtfs, 8780 SDslu, 8787 SDs, 0 SdLazy, 10047 SolverSat, 360 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 352 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 285 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 606 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=223occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 21 MinimizatonAttempts, 1356 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 15 NumberOfFragments, 112 HoareAnnotationTreeSize, 9 FomulaSimplifications, 3141867 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 9 FomulaSimplificationsInter, 3062 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 32.2s InterpolantComputationTime, 1154 NumberOfCodeBlocks, 1154 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 1133 ConstructedInterpolants, 0 QuantifiedInterpolants, 202744 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 PerfectInterpolantSequences, 0/0 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...