/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem03_label36.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 10:18:36,021 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 10:18:36,023 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 10:18:36,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 10:18:36,061 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 10:18:36,062 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 10:18:36,064 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 10:18:36,066 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 10:18:36,069 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 10:18:36,070 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 10:18:36,071 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 10:18:36,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 10:18:36,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 10:18:36,075 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 10:18:36,076 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 10:18:36,077 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 10:18:36,079 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 10:18:36,080 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 10:18:36,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 10:18:36,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 10:18:36,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 10:18:36,089 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 10:18:36,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 10:18:36,095 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 10:18:36,103 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 10:18:36,103 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 10:18:36,104 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 10:18:36,105 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 10:18:36,106 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 10:18:36,110 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 10:18:36,111 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 10:18:36,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 10:18:36,116 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 10:18:36,117 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 10:18:36,121 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 10:18:36,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 10:18:36,130 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 10:18:36,130 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 10:18:36,131 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 10:18:36,132 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 10:18:36,132 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 10:18:36,134 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 10:18:36,186 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 10:18:36,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 10:18:36,188 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 10:18:36,189 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 10:18:36,189 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 10:18:36,189 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 10:18:36,189 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 10:18:36,189 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 10:18:36,190 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 10:18:36,190 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 10:18:36,191 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 10:18:36,191 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 10:18:36,191 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 10:18:36,192 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 10:18:36,192 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 10:18:36,192 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 10:18:36,192 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 10:18:36,192 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 10:18:36,193 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 10:18:36,193 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 10:18:36,193 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 10:18:36,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 10:18:36,193 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 10:18:36,194 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 10:18:36,194 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 10:18:36,194 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 10:18:36,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 10:18:36,194 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 10:18:36,194 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 10:18:36,195 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 10:18:36,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 10:18:36,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 10:18:36,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 10:18:36,608 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 10:18:36,609 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 10:18:36,610 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label36.c [2020-10-28 10:18:36,690 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c8ed437e5/ec2cb9179d5944e598392d9090055c49/FLAG1f6cf92f5 [2020-10-28 10:18:37,748 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 10:18:37,749 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem03_label36.c [2020-10-28 10:18:37,774 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c8ed437e5/ec2cb9179d5944e598392d9090055c49/FLAG1f6cf92f5 [2020-10-28 10:18:38,289 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c8ed437e5/ec2cb9179d5944e598392d9090055c49 [2020-10-28 10:18:38,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 10:18:38,299 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 10:18:38,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 10:18:38,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 10:18:38,305 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 10:18:38,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:18:38" (1/1) ... [2020-10-28 10:18:38,310 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41e77a7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:18:38, skipping insertion in model container [2020-10-28 10:18:38,310 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:18:38" (1/1) ... [2020-10-28 10:18:38,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 10:18:38,392 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 10:18:39,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 10:18:39,172 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 10:18:39,441 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 10:18:39,469 INFO L208 MainTranslator]: Completed translation [2020-10-28 10:18:39,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:18:39 WrapperNode [2020-10-28 10:18:39,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 10:18:39,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 10:18:39,473 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 10:18:39,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 10:18:39,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:18:39" (1/1) ... [2020-10-28 10:18:39,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:18:39" (1/1) ... [2020-10-28 10:18:39,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:18:39" (1/1) ... [2020-10-28 10:18:39,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:18:39" (1/1) ... [2020-10-28 10:18:39,674 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:18:39" (1/1) ... [2020-10-28 10:18:39,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:18:39" (1/1) ... [2020-10-28 10:18:39,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:18:39" (1/1) ... [2020-10-28 10:18:39,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 10:18:39,728 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 10:18:39,728 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 10:18:39,729 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 10:18:39,730 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:18:39" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 10:18:39,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 10:18:39,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 10:18:39,819 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 10:18:39,819 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-28 10:18:39,819 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 10:18:39,819 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-28 10:18:39,819 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 10:18:39,820 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 10:18:39,820 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 10:18:39,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 10:18:39,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 10:18:39,820 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 10:18:39,821 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 10:18:39,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 10:18:39,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 10:18:39,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 10:18:39,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 10:18:39,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 10:18:39,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 10:18:42,860 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 10:18:42,861 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 10:18:42,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:18:42 BoogieIcfgContainer [2020-10-28 10:18:42,866 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 10:18:42,869 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 10:18:42,871 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 10:18:42,875 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 10:18:42,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:18:38" (1/3) ... [2020-10-28 10:18:42,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fac2c42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:18:42, skipping insertion in model container [2020-10-28 10:18:42,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:18:39" (2/3) ... [2020-10-28 10:18:42,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fac2c42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:18:42, skipping insertion in model container [2020-10-28 10:18:42,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:18:42" (3/3) ... [2020-10-28 10:18:42,879 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label36.c [2020-10-28 10:18:42,892 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 10:18:42,897 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 10:18:42,912 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 10:18:42,942 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 10:18:42,942 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 10:18:42,942 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 10:18:42,942 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 10:18:42,942 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 10:18:42,943 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 10:18:42,943 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 10:18:42,943 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 10:18:42,970 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states. [2020-10-28 10:18:42,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-10-28 10:18:42,991 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:18:42,992 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:18:42,992 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:18:42,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:18:43,000 INFO L82 PathProgramCache]: Analyzing trace with hash -681801288, now seen corresponding path program 1 times [2020-10-28 10:18:43,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:18:43,011 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [473247543] [2020-10-28 10:18:43,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:18:43,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:18:43,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:44,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:48,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:18:48,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-28 10:18:48,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:18:48,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 10:18:48,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:18:48,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:18:48,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 10:18:48,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 10:18:48,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 187 [2020-10-28 10:18:48,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 10:18:49,253 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 10:18:49,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:18:49,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:18:49,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:49,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:18:49,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:18:49,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:18:49,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 10:18:49,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:18:49,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:18:49,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:18:49,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:18:49,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 10:18:49,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:18:49,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:18:49,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [473247543] [2020-10-28 10:18:49,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 10:18:49,476 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 10:18:49,477 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196945525] [2020-10-28 10:18:49,483 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 10:18:49,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:18:49,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 10:18:49,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 10:18:49,506 INFO L87 Difference]: Start difference. First operand 315 states. Second operand 4 states. [2020-10-28 10:18:50,028 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-28 10:18:53,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:18:53,769 INFO L93 Difference]: Finished difference Result 879 states and 1541 transitions. [2020-10-28 10:18:53,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:18:53,772 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 186 [2020-10-28 10:18:53,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:18:53,807 INFO L225 Difference]: With dead ends: 879 [2020-10-28 10:18:53,808 INFO L226 Difference]: Without dead ends: 486 [2020-10-28 10:18:53,819 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:18:53,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2020-10-28 10:18:53,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 467. [2020-10-28 10:18:53,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 467 states. [2020-10-28 10:18:53,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 761 transitions. [2020-10-28 10:18:53,949 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 761 transitions. Word has length 186 [2020-10-28 10:18:53,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:18:53,950 INFO L481 AbstractCegarLoop]: Abstraction has 467 states and 761 transitions. [2020-10-28 10:18:53,950 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 10:18:53,951 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 761 transitions. [2020-10-28 10:18:53,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-28 10:18:53,962 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:18:53,962 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:18:53,963 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 10:18:53,963 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:18:53,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:18:53,964 INFO L82 PathProgramCache]: Analyzing trace with hash 753765019, now seen corresponding path program 1 times [2020-10-28 10:18:53,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:18:53,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [56243883] [2020-10-28 10:18:53,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:18:54,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:18:54,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:54,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:55,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:57,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:18:57,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-10-28 10:18:57,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 10:18:57,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3827 [2020-10-28 10:18:57,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:18:57,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:18:57,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:18:57,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 10:18:57,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 184 [2020-10-28 10:18:57,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 10:18:58,295 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 10:18:58,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:18:58,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:18:58,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:58,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:18:58,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:18:58,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:18:58,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 10:18:58,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:18:58,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:18:58,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:18:58,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:18:58,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:18:58,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:18:58,454 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-28 10:18:58,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:18:58,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:18:58,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:58,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:18:58,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 10:18:58,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:18:58,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-28 10:18:58,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:18:58,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:18:58,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:18:58,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:18:58,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 10:18:58,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:18:58,615 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:18:58,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [56243883] [2020-10-28 10:18:58,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:18:58,658 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:18:58,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725643246] [2020-10-28 10:18:58,663 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:18:58,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:18:58,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:18:58,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:18:58,664 INFO L87 Difference]: Start difference. First operand 467 states and 761 transitions. Second operand 5 states. [2020-10-28 10:18:58,981 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-28 10:19:02,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:19:02,608 INFO L93 Difference]: Finished difference Result 1357 states and 2243 transitions. [2020-10-28 10:19:02,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:19:02,609 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 196 [2020-10-28 10:19:02,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:19:02,616 INFO L225 Difference]: With dead ends: 1357 [2020-10-28 10:19:02,617 INFO L226 Difference]: Without dead ends: 896 [2020-10-28 10:19:02,619 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:19:02,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2020-10-28 10:19:02,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 676. [2020-10-28 10:19:02,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 676 states. [2020-10-28 10:19:02,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 1081 transitions. [2020-10-28 10:19:02,683 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 1081 transitions. Word has length 196 [2020-10-28 10:19:02,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:19:02,685 INFO L481 AbstractCegarLoop]: Abstraction has 676 states and 1081 transitions. [2020-10-28 10:19:02,685 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:19:02,686 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 1081 transitions. [2020-10-28 10:19:02,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-10-28 10:19:02,692 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:19:02,692 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:19:02,693 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 10:19:02,693 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:19:02,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:19:02,696 INFO L82 PathProgramCache]: Analyzing trace with hash 882521701, now seen corresponding path program 1 times [2020-10-28 10:19:02,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:19:02,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1103213755] [2020-10-28 10:19:02,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:19:02,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:02,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:03,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:04,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:07,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:07,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 209 [2020-10-28 10:19:07,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 10:19:07,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 10:19:07,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:07,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:07,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:19:07,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 10:19:07,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 184 [2020-10-28 10:19:07,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:19:08,288 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 10:19:08,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:19:08,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:08,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:08,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:08,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:19:08,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:19:08,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 10:19:08,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:08,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:08,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:19:08,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:19:08,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:19:08,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:19:08,465 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-28 10:19:08,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:19:08,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:08,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:08,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:08,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 10:19:08,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:19:08,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 10:19:08,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:08,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:08,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:19:08,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:19:08,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 10:19:08,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:19:08,606 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:19:08,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1103213755] [2020-10-28 10:19:08,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:19:08,607 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:19:08,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659297635] [2020-10-28 10:19:08,610 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:19:08,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:19:08,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:19:08,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:19:08,611 INFO L87 Difference]: Start difference. First operand 676 states and 1081 transitions. Second operand 5 states. [2020-10-28 10:19:09,002 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-28 10:19:12,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:19:12,961 INFO L93 Difference]: Finished difference Result 1995 states and 3244 transitions. [2020-10-28 10:19:12,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:19:12,962 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 197 [2020-10-28 10:19:12,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:19:12,974 INFO L225 Difference]: With dead ends: 1995 [2020-10-28 10:19:12,975 INFO L226 Difference]: Without dead ends: 1325 [2020-10-28 10:19:12,979 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:19:12,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1325 states. [2020-10-28 10:19:13,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1325 to 1098. [2020-10-28 10:19:13,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1098 states. [2020-10-28 10:19:13,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 1098 states and 1726 transitions. [2020-10-28 10:19:13,054 INFO L78 Accepts]: Start accepts. Automaton has 1098 states and 1726 transitions. Word has length 197 [2020-10-28 10:19:13,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:19:13,055 INFO L481 AbstractCegarLoop]: Abstraction has 1098 states and 1726 transitions. [2020-10-28 10:19:13,055 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:19:13,056 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1726 transitions. [2020-10-28 10:19:13,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-10-28 10:19:13,060 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:19:13,061 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:19:13,068 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 10:19:13,068 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:19:13,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:19:13,069 INFO L82 PathProgramCache]: Analyzing trace with hash -668430505, now seen corresponding path program 1 times [2020-10-28 10:19:13,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:19:13,069 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2056549955] [2020-10-28 10:19:13,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:19:13,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:13,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:13,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:14,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:15,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:15,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-10-28 10:19:15,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 10:19:15,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2752 [2020-10-28 10:19:15,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:15,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:15,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:19:15,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 10:19:15,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 184 [2020-10-28 10:19:15,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:19:16,220 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 10:19:16,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:19:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:16,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:16,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:16,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:19:16,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:19:16,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 10:19:16,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:16,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:16,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:19:16,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:19:16,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:19:16,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:19:16,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:19:16,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:16,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:16,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:16,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 10:19:16,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:19:16,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 10:19:16,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:16,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:16,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:19:16,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:19:16,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 10:19:16,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:19:16,484 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:19:16,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2056549955] [2020-10-28 10:19:16,485 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:19:16,485 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:19:16,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394373096] [2020-10-28 10:19:16,486 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:19:16,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:19:16,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:19:16,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:19:16,488 INFO L87 Difference]: Start difference. First operand 1098 states and 1726 transitions. Second operand 5 states. [2020-10-28 10:19:16,926 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-28 10:19:20,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:19:20,542 INFO L93 Difference]: Finished difference Result 3247 states and 5204 transitions. [2020-10-28 10:19:20,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:19:20,543 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 198 [2020-10-28 10:19:20,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:19:20,558 INFO L225 Difference]: With dead ends: 3247 [2020-10-28 10:19:20,558 INFO L226 Difference]: Without dead ends: 2155 [2020-10-28 10:19:20,562 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:19:20,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2155 states. [2020-10-28 10:19:20,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2155 to 1937. [2020-10-28 10:19:20,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1937 states. [2020-10-28 10:19:20,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1937 states to 1937 states and 2959 transitions. [2020-10-28 10:19:20,668 INFO L78 Accepts]: Start accepts. Automaton has 1937 states and 2959 transitions. Word has length 198 [2020-10-28 10:19:20,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:19:20,669 INFO L481 AbstractCegarLoop]: Abstraction has 1937 states and 2959 transitions. [2020-10-28 10:19:20,669 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:19:20,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1937 states and 2959 transitions. [2020-10-28 10:19:20,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-28 10:19:20,678 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:19:20,679 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:19:20,679 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 10:19:20,680 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:19:20,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:19:20,680 INFO L82 PathProgramCache]: Analyzing trace with hash 1776092968, now seen corresponding path program 1 times [2020-10-28 10:19:20,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:19:20,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1561003698] [2020-10-28 10:19:20,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:19:20,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:20,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:21,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:23,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:23,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:23,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-10-28 10:19:23,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 10:19:23,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2679 [2020-10-28 10:19:23,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:23,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:23,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:19:23,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 10:19:23,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 184 [2020-10-28 10:19:23,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:19:23,817 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 10:19:23,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:19:23,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:23,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:23,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:23,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:19:23,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:19:23,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 10:19:23,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:23,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:23,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:19:23,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:19:23,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:19:23,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:19:23,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:19:23,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:23,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:24,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:24,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 10:19:24,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:19:24,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-28 10:19:24,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:24,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:24,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:19:24,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:19:24,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-28 10:19:24,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:19:24,160 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:19:24,161 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1561003698] [2020-10-28 10:19:24,161 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:19:24,161 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:19:24,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511961963] [2020-10-28 10:19:24,162 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:19:24,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:19:24,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:19:24,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:19:24,163 INFO L87 Difference]: Start difference. First operand 1937 states and 2959 transitions. Second operand 5 states. [2020-10-28 10:19:24,607 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-28 10:19:27,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:19:27,975 INFO L93 Difference]: Finished difference Result 4919 states and 7708 transitions. [2020-10-28 10:19:27,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:19:27,982 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 218 [2020-10-28 10:19:27,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:19:28,003 INFO L225 Difference]: With dead ends: 4919 [2020-10-28 10:19:28,003 INFO L226 Difference]: Without dead ends: 2988 [2020-10-28 10:19:28,010 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:19:28,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2988 states. [2020-10-28 10:19:28,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2988 to 2773. [2020-10-28 10:19:28,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2773 states. [2020-10-28 10:19:28,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2773 states to 2773 states and 4018 transitions. [2020-10-28 10:19:28,145 INFO L78 Accepts]: Start accepts. Automaton has 2773 states and 4018 transitions. Word has length 218 [2020-10-28 10:19:28,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:19:28,145 INFO L481 AbstractCegarLoop]: Abstraction has 2773 states and 4018 transitions. [2020-10-28 10:19:28,146 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:19:28,146 INFO L276 IsEmpty]: Start isEmpty. Operand 2773 states and 4018 transitions. [2020-10-28 10:19:28,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-10-28 10:19:28,156 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:19:28,157 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:19:28,157 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 10:19:28,157 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:19:28,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:19:28,158 INFO L82 PathProgramCache]: Analyzing trace with hash -626969404, now seen corresponding path program 1 times [2020-10-28 10:19:28,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:19:28,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [943899650] [2020-10-28 10:19:28,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:19:28,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:28,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:28,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:30,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:30,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-10-28 10:19:30,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:19:30,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2407 [2020-10-28 10:19:30,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:30,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:30,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:19:30,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-28 10:19:30,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 184 [2020-10-28 10:19:30,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:19:30,994 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 10:19:30,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:19:30,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:31,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:31,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:31,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:19:31,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:19:31,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 10:19:31,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:31,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:31,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:19:31,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:19:31,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:19:31,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:19:31,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:19:31,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:31,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:31,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:31,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 10:19:31,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:19:31,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-28 10:19:31,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:31,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:31,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:19:31,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:19:31,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 10:19:31,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:19:31,332 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:19:31,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [943899650] [2020-10-28 10:19:31,334 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:19:31,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:19:31,335 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118161613] [2020-10-28 10:19:31,336 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:19:31,336 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:19:31,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:19:31,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:19:31,338 INFO L87 Difference]: Start difference. First operand 2773 states and 4018 transitions. Second operand 5 states. [2020-10-28 10:19:31,589 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-28 10:19:34,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:19:34,784 INFO L93 Difference]: Finished difference Result 8279 states and 12362 transitions. [2020-10-28 10:19:34,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:19:34,785 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 220 [2020-10-28 10:19:34,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:19:34,819 INFO L225 Difference]: With dead ends: 8279 [2020-10-28 10:19:34,819 INFO L226 Difference]: Without dead ends: 5512 [2020-10-28 10:19:34,830 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:19:34,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5512 states. [2020-10-28 10:19:35,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5512 to 5300. [2020-10-28 10:19:35,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5300 states. [2020-10-28 10:19:35,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5300 states to 5300 states and 7542 transitions. [2020-10-28 10:19:35,059 INFO L78 Accepts]: Start accepts. Automaton has 5300 states and 7542 transitions. Word has length 220 [2020-10-28 10:19:35,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:19:35,060 INFO L481 AbstractCegarLoop]: Abstraction has 5300 states and 7542 transitions. [2020-10-28 10:19:35,060 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:19:35,060 INFO L276 IsEmpty]: Start isEmpty. Operand 5300 states and 7542 transitions. [2020-10-28 10:19:35,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2020-10-28 10:19:35,081 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:19:35,081 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:19:35,082 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 10:19:35,082 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:19:35,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:19:35,083 INFO L82 PathProgramCache]: Analyzing trace with hash 497404073, now seen corresponding path program 1 times [2020-10-28 10:19:35,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:19:35,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1734491033] [2020-10-28 10:19:35,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:19:35,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:35,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:35,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:37,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:38,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:40,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:40,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-10-28 10:19:40,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 10:19:40,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-28 10:19:40,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:40,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:40,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:19:40,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-28 10:19:40,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 184 [2020-10-28 10:19:40,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:19:40,624 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 10:19:40,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:19:40,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:40,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:40,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:40,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:19:40,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:19:40,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 10:19:40,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:40,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:40,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:19:40,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:19:40,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:19:40,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:19:40,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:19:40,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:40,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:40,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:40,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 10:19:40,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:19:40,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 10:19:40,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:40,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:40,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:19:40,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:19:40,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:19:40,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:19:40,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 10:19:40,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:40,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:40,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:40,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-28 10:19:40,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:19:40,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-28 10:19:40,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:40,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:40,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:19:40,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:19:40,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-28 10:19:40,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:19:41,242 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 60 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-28 10:19:41,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1734491033] [2020-10-28 10:19:41,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:19:41,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:19:41,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314815511] [2020-10-28 10:19:41,245 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:19:41,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:19:41,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:19:41,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:19:41,246 INFO L87 Difference]: Start difference. First operand 5300 states and 7542 transitions. Second operand 5 states. [2020-10-28 10:19:41,625 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-28 10:19:45,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:19:45,318 INFO L93 Difference]: Finished difference Result 15430 states and 22626 transitions. [2020-10-28 10:19:45,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:19:45,319 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 251 [2020-10-28 10:19:45,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:19:45,385 INFO L225 Difference]: With dead ends: 15430 [2020-10-28 10:19:45,385 INFO L226 Difference]: Without dead ends: 10136 [2020-10-28 10:19:45,402 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:19:45,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10136 states. [2020-10-28 10:19:45,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10136 to 9905. [2020-10-28 10:19:45,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9905 states. [2020-10-28 10:19:45,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9905 states to 9905 states and 14359 transitions. [2020-10-28 10:19:45,847 INFO L78 Accepts]: Start accepts. Automaton has 9905 states and 14359 transitions. Word has length 251 [2020-10-28 10:19:45,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:19:45,848 INFO L481 AbstractCegarLoop]: Abstraction has 9905 states and 14359 transitions. [2020-10-28 10:19:45,848 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:19:45,848 INFO L276 IsEmpty]: Start isEmpty. Operand 9905 states and 14359 transitions. [2020-10-28 10:19:45,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2020-10-28 10:19:45,889 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:19:45,890 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:19:45,890 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 10:19:45,890 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:19:45,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:19:45,891 INFO L82 PathProgramCache]: Analyzing trace with hash -1195665218, now seen corresponding path program 1 times [2020-10-28 10:19:45,891 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:19:45,891 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1617063652] [2020-10-28 10:19:45,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:19:45,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:45,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:46,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:46,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:50,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:50,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 299 [2020-10-28 10:19:50,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 10:19:50,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-10-28 10:19:50,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:50,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:50,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:19:50,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 111 [2020-10-28 10:19:50,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-28 10:19:50,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:19:51,439 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 10:19:51,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:19:51,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:51,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:51,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:51,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:19:51,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:19:51,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 10:19:51,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:51,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:51,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:19:51,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:19:51,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:19:51,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:19:51,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:19:51,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:51,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:51,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:51,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 10:19:51,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:19:51,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 10:19:51,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:51,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:51,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:19:51,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:19:51,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:19:51,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:19:51,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 10:19:51,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:51,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:51,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:51,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-28 10:19:51,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:19:51,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-28 10:19:51,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:51,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:51,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:19:51,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:19:51,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-28 10:19:51,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:19:52,292 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 94 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-28 10:19:52,293 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1617063652] [2020-10-28 10:19:52,293 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:19:52,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:19:52,294 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375162557] [2020-10-28 10:19:52,294 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:19:52,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:19:52,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:19:52,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:19:52,296 INFO L87 Difference]: Start difference. First operand 9905 states and 14359 transitions. Second operand 5 states. [2020-10-28 10:19:53,641 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-28 10:19:55,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:19:55,810 INFO L93 Difference]: Finished difference Result 20104 states and 29376 transitions. [2020-10-28 10:19:55,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:19:55,811 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 285 [2020-10-28 10:19:55,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:19:55,877 INFO L225 Difference]: With dead ends: 20104 [2020-10-28 10:19:55,877 INFO L226 Difference]: Without dead ends: 10149 [2020-10-28 10:19:55,911 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:19:55,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10149 states. [2020-10-28 10:19:56,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10149 to 10063. [2020-10-28 10:19:56,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10063 states. [2020-10-28 10:19:56,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10063 states to 10063 states and 14533 transitions. [2020-10-28 10:19:56,382 INFO L78 Accepts]: Start accepts. Automaton has 10063 states and 14533 transitions. Word has length 285 [2020-10-28 10:19:56,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:19:56,383 INFO L481 AbstractCegarLoop]: Abstraction has 10063 states and 14533 transitions. [2020-10-28 10:19:56,383 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:19:56,383 INFO L276 IsEmpty]: Start isEmpty. Operand 10063 states and 14533 transitions. [2020-10-28 10:19:56,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2020-10-28 10:19:56,429 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:19:56,430 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:19:56,430 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 10:19:56,430 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:19:56,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:19:56,431 INFO L82 PathProgramCache]: Analyzing trace with hash -696246576, now seen corresponding path program 1 times [2020-10-28 10:19:56,431 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:19:56,432 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [185622129] [2020-10-28 10:19:56,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:19:56,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:56,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:56,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:56,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:58,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:59,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:59,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:59,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:20:01,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:20:01,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 340 [2020-10-28 10:20:01,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 10:20:01,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-10-28 10:20:01,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:20:01,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:20:01,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 10:20:01,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 10:20:01,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 298 [2020-10-28 10:20:01,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:20:01,959 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 10:20:01,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:20:01,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:20:01,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:20:01,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:20:01,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:20:01,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:20:01,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 10:20:01,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:20:01,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:20:01,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:20:01,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:20:01,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 10:20:01,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:20:02,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:20:02,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:20:02,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:20:02,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:20:02,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:20:02,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 10:20:02,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:20:02,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-28 10:20:02,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:20:02,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:20:02,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:20:02,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:20:02,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 10:20:02,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:20:02,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 10:20:02,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:20:02,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:20:02,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:20:02,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:20:02,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 10:20:02,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:20:02,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 10:20:02,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:20:02,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:20:02,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:20:02,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:20:02,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 10:20:02,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:20:02,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 10:20:02,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:20:02,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:20:02,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:20:02,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-28 10:20:02,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:20:02,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 170 [2020-10-28 10:20:02,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:20:02,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:20:02,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 10:20:02,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:20:02,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-28 10:20:02,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:20:02,905 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 132 proven. 3 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-28 10:20:02,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [185622129] [2020-10-28 10:20:02,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:20:02,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 10:20:02,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349493151] [2020-10-28 10:20:02,907 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 10:20:02,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:20:02,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 10:20:02,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 10:20:02,908 INFO L87 Difference]: Start difference. First operand 10063 states and 14533 transitions. Second operand 7 states. [2020-10-28 10:20:03,156 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-28 10:20:04,920 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-28 10:20:06,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:20:06,893 INFO L93 Difference]: Finished difference Result 20207 states and 29340 transitions. [2020-10-28 10:20:06,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 10:20:06,894 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 324 [2020-10-28 10:20:06,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:20:06,896 INFO L225 Difference]: With dead ends: 20207 [2020-10-28 10:20:06,896 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 10:20:06,942 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-28 10:20:06,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 10:20:06,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 10:20:06,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 10:20:06,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 10:20:06,943 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 324 [2020-10-28 10:20:06,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:20:06,943 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 10:20:06,943 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 10:20:06,943 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 10:20:06,944 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 10:20:06,944 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 10:20:06,946 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 10:20:07,717 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 168 [2020-10-28 10:20:09,714 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 45 [2020-10-28 10:20:10,054 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 45 [2020-10-28 10:20:10,478 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 97 [2020-10-28 10:20:14,694 WARN L193 SmtUtils]: Spent 4.19 s on a formula simplification. DAG size of input: 310 DAG size of output: 142 [2020-10-28 10:20:14,850 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2020-10-28 10:20:15,069 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 10:20:15,217 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2020-10-28 10:20:15,627 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 54 [2020-10-28 10:20:15,632 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-28 10:20:15,632 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-28 10:20:15,633 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-28 10:20:15,633 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-28 10:20:15,633 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 10:20:15,634 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |old(#valid)| |#valid|) (= ~a0~0 |old(~a0~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a5~0 |old(~a5~0)|) (= ~e~0 |old(~e~0)|) (= ~a2~0 |old(~a2~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~a14~0 |old(~a14~0)|) (= ~c~0 |old(~c~0)|) (= ~a23~0 |old(~a23~0)|) (= ~z~0 |old(~z~0)|) (= ~a15~0 |old(~a15~0)|) (= ~x~0 |old(~x~0)|) (= ~a22~0 |old(~a22~0)|) (= ~d~0 |old(~d~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a27~0 |old(~a27~0)|) (= ~a26~0 |old(~a26~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~a18~0 |old(~a18~0)|) (= ~a6~0 |old(~a6~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a3~0 |old(~a3~0)|) (= ~a9~0 |old(~a9~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~a16~0 |old(~a16~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a13~0 |old(~a13~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-28 10:20:15,634 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 10:20:15,634 INFO L274 CegarLoopResult]: For program point L1621-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,634 INFO L274 CegarLoopResult]: For program point L1555-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,635 INFO L274 CegarLoopResult]: For program point L1489-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,635 INFO L274 CegarLoopResult]: For program point L763(lines 763 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,635 INFO L274 CegarLoopResult]: For program point L1622(line 1622) no Hoare annotation was computed. [2020-10-28 10:20:15,635 INFO L274 CegarLoopResult]: For program point L1556(line 1556) no Hoare annotation was computed. [2020-10-28 10:20:15,635 INFO L274 CegarLoopResult]: For program point L499(lines 499 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,635 INFO L274 CegarLoopResult]: For program point L1490(line 1490) no Hoare annotation was computed. [2020-10-28 10:20:15,635 INFO L274 CegarLoopResult]: For program point L235(lines 235 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,635 INFO L274 CegarLoopResult]: For program point L500(lines 500 513) no Hoare annotation was computed. [2020-10-28 10:20:15,636 INFO L274 CegarLoopResult]: For program point L500-2(lines 500 513) no Hoare annotation was computed. [2020-10-28 10:20:15,636 INFO L274 CegarLoopResult]: For program point L1425(lines 1425 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,636 INFO L274 CegarLoopResult]: For program point L368(lines 368 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,636 INFO L274 CegarLoopResult]: For program point L1624-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,636 INFO L274 CegarLoopResult]: For program point L1558-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,636 INFO L274 CegarLoopResult]: For program point L1492-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,636 INFO L274 CegarLoopResult]: For program point L303(lines 303 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,636 INFO L274 CegarLoopResult]: For program point L1228(lines 1228 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,636 INFO L274 CegarLoopResult]: For program point L1625(line 1625) no Hoare annotation was computed. [2020-10-28 10:20:15,636 INFO L274 CegarLoopResult]: For program point L568(lines 568 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,636 INFO L274 CegarLoopResult]: For program point L1559(line 1559) no Hoare annotation was computed. [2020-10-28 10:20:15,636 INFO L274 CegarLoopResult]: For program point L1493(line 1493) no Hoare annotation was computed. [2020-10-28 10:20:15,637 INFO L274 CegarLoopResult]: For program point L436(lines 436 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,637 INFO L274 CegarLoopResult]: For program point L1361(lines 1361 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,637 INFO L274 CegarLoopResult]: For program point L1097(lines 1097 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,637 INFO L274 CegarLoopResult]: For program point L635(lines 635 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,637 INFO L274 CegarLoopResult]: For program point L1362(lines 1362 1381) no Hoare annotation was computed. [2020-10-28 10:20:15,637 INFO L274 CegarLoopResult]: For program point L1362-2(lines 1362 1381) no Hoare annotation was computed. [2020-10-28 10:20:15,637 INFO L274 CegarLoopResult]: For program point L1164(lines 1164 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,637 INFO L274 CegarLoopResult]: For program point L107(lines 107 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,637 INFO L274 CegarLoopResult]: For program point L1627-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,637 INFO L274 CegarLoopResult]: For program point L1561-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,637 INFO L274 CegarLoopResult]: For program point L1495-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,637 INFO L274 CegarLoopResult]: For program point L240(lines 240 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,637 INFO L274 CegarLoopResult]: For program point L174(lines 174 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,638 INFO L274 CegarLoopResult]: For program point L1033(lines 1033 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,638 INFO L274 CegarLoopResult]: For program point L901(lines 901 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,638 INFO L274 CegarLoopResult]: For program point L703(lines 703 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,638 INFO L274 CegarLoopResult]: For program point L1628(line 1628) no Hoare annotation was computed. [2020-10-28 10:20:15,638 INFO L274 CegarLoopResult]: For program point L1562(line 1562) no Hoare annotation was computed. [2020-10-28 10:20:15,638 INFO L274 CegarLoopResult]: For program point L1496(line 1496) no Hoare annotation was computed. [2020-10-28 10:20:15,638 INFO L274 CegarLoopResult]: For program point L968(lines 968 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,638 INFO L274 CegarLoopResult]: For program point L771(lines 771 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,638 INFO L274 CegarLoopResult]: For program point L1630-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,638 INFO L274 CegarLoopResult]: For program point L1564-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,638 INFO L274 CegarLoopResult]: For program point L1498-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,639 INFO L274 CegarLoopResult]: For program point L838(lines 838 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,639 INFO L274 CegarLoopResult]: For program point L1631(line 1631) no Hoare annotation was computed. [2020-10-28 10:20:15,639 INFO L274 CegarLoopResult]: For program point L1565(line 1565) no Hoare annotation was computed. [2020-10-28 10:20:15,639 INFO L274 CegarLoopResult]: For program point L1499(line 1499) no Hoare annotation was computed. [2020-10-28 10:20:15,639 INFO L274 CegarLoopResult]: For program point L443(lines 443 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,639 INFO L274 CegarLoopResult]: For program point L1434(lines 1434 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,639 INFO L274 CegarLoopResult]: For program point L576(lines 576 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,639 INFO L274 CegarLoopResult]: For program point L1633-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,640 INFO L274 CegarLoopResult]: For program point L1567-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,640 INFO L274 CegarLoopResult]: For program point L1501-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,640 INFO L274 CegarLoopResult]: For program point L1634(line 1634) no Hoare annotation was computed. [2020-10-28 10:20:15,640 INFO L274 CegarLoopResult]: For program point L1568(line 1568) no Hoare annotation was computed. [2020-10-28 10:20:15,640 INFO L274 CegarLoopResult]: For program point L1502(line 1502) no Hoare annotation was computed. [2020-10-28 10:20:15,640 INFO L274 CegarLoopResult]: For program point L379(lines 379 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,640 INFO L274 CegarLoopResult]: For program point L1106(lines 1106 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,640 INFO L274 CegarLoopResult]: For program point L1040(lines 1040 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,640 INFO L274 CegarLoopResult]: For program point L380(lines 380 397) no Hoare annotation was computed. [2020-10-28 10:20:15,641 INFO L274 CegarLoopResult]: For program point L314(lines 314 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,641 INFO L274 CegarLoopResult]: For program point L380-2(lines 380 397) no Hoare annotation was computed. [2020-10-28 10:20:15,641 INFO L274 CegarLoopResult]: For program point L1239(lines 1239 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,641 INFO L274 CegarLoopResult]: For program point L116(lines 116 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,641 INFO L274 CegarLoopResult]: For program point L1041(lines 1041 1061) no Hoare annotation was computed. [2020-10-28 10:20:15,641 INFO L274 CegarLoopResult]: For program point L1041-2(lines 1041 1061) no Hoare annotation was computed. [2020-10-28 10:20:15,641 INFO L274 CegarLoopResult]: For program point L909(lines 909 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,641 INFO L274 CegarLoopResult]: For program point L711(lines 711 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,641 INFO L274 CegarLoopResult]: For program point L645(lines 645 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,641 INFO L274 CegarLoopResult]: For program point L1636-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,642 INFO L274 CegarLoopResult]: For program point L1570-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,642 INFO L274 CegarLoopResult]: For program point L1504-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,642 INFO L274 CegarLoopResult]: For program point L183(lines 183 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,642 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,642 INFO L274 CegarLoopResult]: For program point L712(lines 712 733) no Hoare annotation was computed. [2020-10-28 10:20:15,642 INFO L274 CegarLoopResult]: For program point L712-2(lines 712 733) no Hoare annotation was computed. [2020-10-28 10:20:15,642 INFO L274 CegarLoopResult]: For program point L1637(line 1637) no Hoare annotation was computed. [2020-10-28 10:20:15,642 INFO L274 CegarLoopResult]: For program point L1571(line 1571) no Hoare annotation was computed. [2020-10-28 10:20:15,642 INFO L274 CegarLoopResult]: For program point L1505(line 1505) no Hoare annotation was computed. [2020-10-28 10:20:15,642 INFO L274 CegarLoopResult]: For program point L1307(lines 1307 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,643 INFO L274 CegarLoopResult]: For program point L250(lines 250 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,643 INFO L274 CegarLoopResult]: For program point L1175(lines 1175 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,643 INFO L274 CegarLoopResult]: For program point L977(lines 977 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,643 INFO L274 CegarLoopResult]: For program point L779(lines 779 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,643 INFO L274 CegarLoopResult]: For program point L515(lines 515 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,643 INFO L274 CegarLoopResult]: For program point L846(lines 846 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,643 INFO L274 CegarLoopResult]: For program point L1639-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,643 INFO L274 CegarLoopResult]: For program point L1573-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,643 INFO L274 CegarLoopResult]: For program point L1507-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,643 INFO L274 CegarLoopResult]: For program point L1640(line 1640) no Hoare annotation was computed. [2020-10-28 10:20:15,644 INFO L270 CegarLoopResult]: At program point L1574(line 1574) the Hoare annotation is: (let ((.cse1 (= |old(~a11~0)| 1)) (.cse0 (not (= ~a18~0 1)))) (and (or (not (<= |old(~a26~0)| 1)) .cse0 (not (<= 1 |old(~a26~0)|))) (or (not (= 0 |old(~a26~0)|)) .cse1 (not (= |old(~a5~0)| |old(~a6~0)|)) .cse0 (not (= |old(~a5~0)| |old(~a3~0)|))) (or .cse0 (not (<= |old(~a11~0)| 0))) (or (not (= |old(~a3~0)| 0)) .cse0) (or (= |old(~a6~0)| |old(~a27~0)|) .cse0) (or (not (= |old(~a5~0)| 1)) .cse1 (not (= |old(~a6~0)| 1)) (not (= 0 |old(~a12~0)|)) (not (= |old(~a3~0)| 1)) .cse0) (or (not (<= 2 |old(~a3~0)|)) .cse0) (or (not (<= |old(~a27~0)| 0)) .cse0) (or (not (= |old(~a12~0)| 1)) .cse0))) [2020-10-28 10:20:15,644 INFO L274 CegarLoopResult]: For program point L1574-1(line 1574) no Hoare annotation was computed. [2020-10-28 10:20:15,644 INFO L274 CegarLoopResult]: For program point L1508(line 1508) no Hoare annotation was computed. [2020-10-28 10:20:15,644 INFO L274 CegarLoopResult]: For program point L452(lines 452 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,644 INFO L274 CegarLoopResult]: For program point L585(lines 585 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,645 INFO L274 CegarLoopResult]: For program point L1642-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,645 INFO L274 CegarLoopResult]: For program point L1576-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,645 INFO L274 CegarLoopResult]: For program point L1510-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,645 INFO L274 CegarLoopResult]: For program point L1444(lines 1444 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,645 INFO L274 CegarLoopResult]: For program point L321(lines 321 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,645 INFO L274 CegarLoopResult]: For program point L1114(lines 1114 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,645 INFO L274 CegarLoopResult]: For program point L57(lines 57 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,645 INFO L274 CegarLoopResult]: For program point L1643(line 1643) no Hoare annotation was computed. [2020-10-28 10:20:15,645 INFO L274 CegarLoopResult]: For program point L1577(line 1577) no Hoare annotation was computed. [2020-10-28 10:20:15,646 INFO L274 CegarLoopResult]: For program point L1511(line 1511) no Hoare annotation was computed. [2020-10-28 10:20:15,646 INFO L274 CegarLoopResult]: For program point L58(lines 58 73) no Hoare annotation was computed. [2020-10-28 10:20:15,646 INFO L274 CegarLoopResult]: For program point L58-2(lines 58 73) no Hoare annotation was computed. [2020-10-28 10:20:15,646 INFO L274 CegarLoopResult]: For program point L786(lines 786 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,646 INFO L274 CegarLoopResult]: For program point L1645-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,646 INFO L274 CegarLoopResult]: For program point L1579-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,647 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 56 1652) the Hoare annotation is: (let ((.cse0 (= ~a28~0 |old(~a28~0)|)) (.cse1 (= ~a26~0 |old(~a26~0)|)) (.cse2 (= ~a21~0 |old(~a21~0)|)) (.cse3 (= ~a6~0 |old(~a6~0)|)) (.cse4 (= ~a8~0 |old(~a8~0)|)) (.cse5 (= ~a29~0 |old(~a29~0)|)) (.cse6 (= ~a1~0 |old(~a1~0)|)) (.cse7 (= ~a19~0 |old(~a19~0)|)) (.cse8 (= ~a0~0 |old(~a0~0)|)) (.cse9 (= ~a3~0 |old(~a3~0)|)) (.cse10 (= ~a9~0 |old(~a9~0)|)) (.cse11 (= ~a7~0 |old(~a7~0)|)) (.cse12 (= ~a11~0 |old(~a11~0)|)) (.cse13 (= ~a5~0 |old(~a5~0)|)) (.cse14 (= ~a16~0 |old(~a16~0)|)) (.cse15 (= ~a4~0 |old(~a4~0)|)) (.cse16 (= ~a2~0 |old(~a2~0)|)) (.cse17 (= ~a17~0 |old(~a17~0)|)) (.cse18 (= ~a14~0 |old(~a14~0)|)) (.cse19 (= ~a25~0 |old(~a25~0)|)) (.cse20 (= ~a23~0 |old(~a23~0)|)) (.cse21 (= ~a12~0 |old(~a12~0)|)) (.cse22 (= ~a15~0 |old(~a15~0)|)) (.cse23 (= ~a13~0 |old(~a13~0)|)) (.cse24 (= ~a24~0 |old(~a24~0)|)) (.cse25 (= ~a20~0 |old(~a20~0)|)) (.cse26 (= ~a22~0 |old(~a22~0)|)) (.cse27 (= ~a10~0 |old(~a10~0)|))) (let ((.cse28 (= |old(~a11~0)| 1)) (.cse30 (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 (= ~a27~0 |old(~a27~0)|))) (.cse29 (not (= ~a18~0 1)))) (and (or (not (= |old(~a5~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (= ~a27~0 1) .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27) (not (= |old(~a27~0)| 1)) .cse28 (not (= 0 |old(~a12~0)|)) (not (= |old(~a3~0)| 1)) .cse29) (or .cse30 (not (= |old(~a12~0)| 1)) .cse29) (or .cse30 (not (<= |old(~a26~0)| 1)) .cse29 (not (<= 1 |old(~a26~0)|))) (or .cse30 (not (<= 2 |old(~a3~0)|)) .cse29) (or (not (= |old(~a5~0)| |old(~a27~0)|)) (not (= 0 |old(~a26~0)|)) .cse28 (not (= |old(~a5~0)| |old(~a6~0)|)) .cse29 (not (= |old(~a5~0)| |old(~a3~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (= ~a5~0 ~a6~0) .cse12 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 (= ~a27~0 ~a5~0) .cse25 .cse26 .cse27)) (or .cse30 (not (= |old(~a3~0)| 0)) .cse29) (or .cse30 (= |old(~a6~0)| |old(~a27~0)|) .cse29) (or .cse30 .cse29 (not (<= |old(~a11~0)| 0))) (or .cse30 (not (<= |old(~a27~0)| 0)) .cse29)))) [2020-10-28 10:20:15,647 INFO L274 CegarLoopResult]: For program point L1513-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,647 INFO L274 CegarLoopResult]: For program point L1315(lines 1315 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,647 INFO L274 CegarLoopResult]: For program point L985(lines 985 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,647 INFO L274 CegarLoopResult]: For program point L919(lines 919 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,647 INFO L274 CegarLoopResult]: For program point L655(lines 655 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,647 INFO L274 CegarLoopResult]: For program point L1646(line 1646) no Hoare annotation was computed. [2020-10-28 10:20:15,648 INFO L274 CegarLoopResult]: For program point L1580(line 1580) no Hoare annotation was computed. [2020-10-28 10:20:15,648 INFO L274 CegarLoopResult]: For program point L1514(line 1514) no Hoare annotation was computed. [2020-10-28 10:20:15,648 INFO L274 CegarLoopResult]: For program point L259(lines 259 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,648 INFO L274 CegarLoopResult]: For program point L193(lines 193 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,648 INFO L274 CegarLoopResult]: For program point L1184(lines 1184 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,648 INFO L274 CegarLoopResult]: For program point L920(lines 920 937) no Hoare annotation was computed. [2020-10-28 10:20:15,648 INFO L274 CegarLoopResult]: For program point L920-2(lines 920 937) no Hoare annotation was computed. [2020-10-28 10:20:15,648 INFO L274 CegarLoopResult]: For program point L524(lines 524 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,648 INFO L274 CegarLoopResult]: For program point L1383(lines 1383 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,648 INFO L274 CegarLoopResult]: For program point L1251(lines 1251 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,648 INFO L274 CegarLoopResult]: For program point L194(lines 194 213) no Hoare annotation was computed. [2020-10-28 10:20:15,649 INFO L274 CegarLoopResult]: For program point L128(lines 128 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,649 INFO L274 CegarLoopResult]: For program point L194-2(lines 194 213) no Hoare annotation was computed. [2020-10-28 10:20:15,649 INFO L274 CegarLoopResult]: For program point L855(lines 855 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,649 INFO L274 CegarLoopResult]: For program point L1648-1(lines 1648 1650) no Hoare annotation was computed. [2020-10-28 10:20:15,649 INFO L274 CegarLoopResult]: For program point L1582-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,649 INFO L274 CegarLoopResult]: For program point L1516-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,649 INFO L274 CegarLoopResult]: For program point L1384(lines 1384 1402) no Hoare annotation was computed. [2020-10-28 10:20:15,649 INFO L274 CegarLoopResult]: For program point L1384-2(lines 1384 1402) no Hoare annotation was computed. [2020-10-28 10:20:15,649 INFO L274 CegarLoopResult]: For program point L1252(lines 1252 1274) no Hoare annotation was computed. [2020-10-28 10:20:15,649 INFO L274 CegarLoopResult]: For program point L1252-2(lines 1252 1274) no Hoare annotation was computed. [2020-10-28 10:20:15,649 INFO L274 CegarLoopResult]: For program point L1649(line 1649) no Hoare annotation was computed. [2020-10-28 10:20:15,650 INFO L274 CegarLoopResult]: For program point L1583(line 1583) no Hoare annotation was computed. [2020-10-28 10:20:15,650 INFO L274 CegarLoopResult]: For program point L1517(line 1517) no Hoare annotation was computed. [2020-10-28 10:20:15,650 INFO L274 CegarLoopResult]: For program point L460(lines 460 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,650 INFO L274 CegarLoopResult]: For program point L1122(lines 1122 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,650 INFO L274 CegarLoopResult]: For program point L660(lines 660 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,650 INFO L274 CegarLoopResult]: For program point L594(lines 594 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,650 INFO L274 CegarLoopResult]: For program point L1585-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,650 INFO L274 CegarLoopResult]: For program point L1519-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,650 INFO L274 CegarLoopResult]: For program point L1586(line 1586) no Hoare annotation was computed. [2020-10-28 10:20:15,651 INFO L274 CegarLoopResult]: For program point L1520(line 1520) no Hoare annotation was computed. [2020-10-28 10:20:15,651 INFO L274 CegarLoopResult]: For program point L1454(lines 1454 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,651 INFO L274 CegarLoopResult]: For program point L331(lines 331 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,651 INFO L274 CegarLoopResult]: For program point L1323(lines 1323 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,651 INFO L274 CegarLoopResult]: For program point L531(lines 531 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,651 INFO L274 CegarLoopResult]: For program point L1588-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,651 INFO L274 CegarLoopResult]: For program point L1522-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,651 INFO L274 CegarLoopResult]: For program point L399(lines 399 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,651 INFO L274 CegarLoopResult]: For program point L267(lines 267 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,651 INFO L274 CegarLoopResult]: For program point L1192(lines 1192 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,652 INFO L274 CegarLoopResult]: For program point L1589(line 1589) no Hoare annotation was computed. [2020-10-28 10:20:15,652 INFO L274 CegarLoopResult]: For program point L1523(line 1523) no Hoare annotation was computed. [2020-10-28 10:20:15,652 INFO L274 CegarLoopResult]: For program point L797(lines 797 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,652 INFO L274 CegarLoopResult]: For program point L137(lines 137 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,652 INFO L274 CegarLoopResult]: For program point L996(lines 996 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,652 INFO L274 CegarLoopResult]: For program point L1591-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,652 INFO L274 CegarLoopResult]: For program point L1525-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,652 INFO L274 CegarLoopResult]: For program point L1129(lines 1129 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,652 INFO L274 CegarLoopResult]: For program point L1063(lines 1063 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,652 INFO L274 CegarLoopResult]: For program point L865(lines 865 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,653 INFO L274 CegarLoopResult]: For program point L667(lines 667 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,653 INFO L274 CegarLoopResult]: For program point L1592(line 1592) no Hoare annotation was computed. [2020-10-28 10:20:15,653 INFO L274 CegarLoopResult]: For program point L1526(line 1526) no Hoare annotation was computed. [2020-10-28 10:20:15,653 INFO L274 CegarLoopResult]: For program point L469(lines 469 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,653 INFO L274 CegarLoopResult]: For program point L1328(lines 1328 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,653 INFO L274 CegarLoopResult]: For program point L470(lines 470 480) no Hoare annotation was computed. [2020-10-28 10:20:15,653 INFO L274 CegarLoopResult]: For program point L470-2(lines 470 480) no Hoare annotation was computed. [2020-10-28 10:20:15,653 INFO L274 CegarLoopResult]: For program point L735(lines 735 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,653 INFO L274 CegarLoopResult]: For program point L1594-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,653 INFO L274 CegarLoopResult]: For program point L1528-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,653 INFO L274 CegarLoopResult]: For program point L1462(lines 1462 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,654 INFO L274 CegarLoopResult]: For program point L75(lines 75 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,654 INFO L274 CegarLoopResult]: For program point L1595(line 1595) no Hoare annotation was computed. [2020-10-28 10:20:15,654 INFO L274 CegarLoopResult]: For program point L1529(line 1529) no Hoare annotation was computed. [2020-10-28 10:20:15,654 INFO L274 CegarLoopResult]: For program point L605(lines 605 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,654 INFO L274 CegarLoopResult]: For program point L407(lines 407 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,654 INFO L274 CegarLoopResult]: For program point L341(lines 341 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,654 INFO L274 CegarLoopResult]: For program point L1134(lines 1134 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,654 INFO L274 CegarLoopResult]: For program point L1068(lines 1068 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,654 INFO L274 CegarLoopResult]: For program point L870(lines 870 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,654 INFO L274 CegarLoopResult]: For program point L1597-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,654 INFO L274 CegarLoopResult]: For program point L1531-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,655 INFO L274 CegarLoopResult]: For program point L871(lines 871 889) no Hoare annotation was computed. [2020-10-28 10:20:15,655 INFO L274 CegarLoopResult]: For program point L871-2(lines 871 889) no Hoare annotation was computed. [2020-10-28 10:20:15,655 INFO L274 CegarLoopResult]: For program point L1598(line 1598) no Hoare annotation was computed. [2020-10-28 10:20:15,655 INFO L274 CegarLoopResult]: For program point L541(lines 541 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,655 INFO L274 CegarLoopResult]: For program point L1532(line 1532) no Hoare annotation was computed. [2020-10-28 10:20:15,655 INFO L274 CegarLoopResult]: For program point L1202(lines 1202 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,655 INFO L274 CegarLoopResult]: For program point L806(lines 806 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,655 INFO L274 CegarLoopResult]: For program point L278(lines 278 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,655 INFO L274 CegarLoopResult]: For program point L1005(lines 1005 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,655 INFO L274 CegarLoopResult]: For program point L939(lines 939 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,655 INFO L274 CegarLoopResult]: For program point L1600-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,656 INFO L274 CegarLoopResult]: For program point L1534-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,656 INFO L274 CegarLoopResult]: For program point L1468(lines 1468 1470) no Hoare annotation was computed. [2020-10-28 10:20:15,656 INFO L274 CegarLoopResult]: For program point L1468-2(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,656 INFO L274 CegarLoopResult]: For program point L1601(line 1601) no Hoare annotation was computed. [2020-10-28 10:20:15,656 INFO L274 CegarLoopResult]: For program point L1535(line 1535) no Hoare annotation was computed. [2020-10-28 10:20:15,656 INFO L274 CegarLoopResult]: For program point L1469(line 1469) no Hoare annotation was computed. [2020-10-28 10:20:15,656 INFO L274 CegarLoopResult]: For program point L148(lines 148 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,656 INFO L274 CegarLoopResult]: For program point L677(lines 677 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,656 INFO L274 CegarLoopResult]: For program point L1404(lines 1404 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,656 INFO L274 CegarLoopResult]: For program point L1338(lines 1338 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,656 INFO L274 CegarLoopResult]: For program point L215(lines 215 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,656 INFO L274 CegarLoopResult]: For program point L1603-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,657 INFO L274 CegarLoopResult]: For program point L1537-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,657 INFO L274 CegarLoopResult]: For program point L1471-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,657 INFO L274 CegarLoopResult]: For program point L1405(lines 1405 1423) no Hoare annotation was computed. [2020-10-28 10:20:15,657 INFO L274 CegarLoopResult]: For program point L1405-2(lines 1405 1423) no Hoare annotation was computed. [2020-10-28 10:20:15,657 INFO L274 CegarLoopResult]: For program point L84(lines 84 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,657 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,657 INFO L274 CegarLoopResult]: For program point L745(lines 745 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,657 INFO L274 CegarLoopResult]: For program point L1604(line 1604) no Hoare annotation was computed. [2020-10-28 10:20:15,657 INFO L274 CegarLoopResult]: For program point L1538(line 1538) no Hoare annotation was computed. [2020-10-28 10:20:15,657 INFO L274 CegarLoopResult]: For program point L1472(line 1472) no Hoare annotation was computed. [2020-10-28 10:20:15,657 INFO L274 CegarLoopResult]: For program point L1076(lines 1076 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,658 INFO L274 CegarLoopResult]: For program point L548(lines 548 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,658 INFO L274 CegarLoopResult]: For program point L482(lines 482 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,658 INFO L274 CegarLoopResult]: For program point L416(lines 416 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,658 INFO L274 CegarLoopResult]: For program point L350(lines 350 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,658 INFO L274 CegarLoopResult]: For program point L1606-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,658 INFO L274 CegarLoopResult]: For program point L1540-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,658 INFO L274 CegarLoopResult]: For program point L1474-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,658 INFO L274 CegarLoopResult]: For program point L1276(lines 1276 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,658 INFO L274 CegarLoopResult]: For program point L1144(lines 1144 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,658 INFO L274 CegarLoopResult]: For program point L616(lines 616 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,658 INFO L274 CegarLoopResult]: For program point L1607(line 1607) no Hoare annotation was computed. [2020-10-28 10:20:15,659 INFO L274 CegarLoopResult]: For program point L1541(line 1541) no Hoare annotation was computed. [2020-10-28 10:20:15,659 INFO L274 CegarLoopResult]: For program point L1475(line 1475) no Hoare annotation was computed. [2020-10-28 10:20:15,659 INFO L274 CegarLoopResult]: For program point L286(lines 286 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,659 INFO L274 CegarLoopResult]: For program point L1013(lines 1013 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,659 INFO L274 CegarLoopResult]: For program point L815(lines 815 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,659 INFO L274 CegarLoopResult]: For program point L1212(lines 1212 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,659 INFO L274 CegarLoopResult]: For program point L1609-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,659 INFO L274 CegarLoopResult]: For program point L1543-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,659 INFO L274 CegarLoopResult]: For program point L1477-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,659 INFO L274 CegarLoopResult]: For program point L1213(lines 1213 1226) no Hoare annotation was computed. [2020-10-28 10:20:15,660 INFO L274 CegarLoopResult]: For program point L1213-2(lines 1213 1226) no Hoare annotation was computed. [2020-10-28 10:20:15,660 INFO L274 CegarLoopResult]: For program point L949(lines 949 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,660 INFO L274 CegarLoopResult]: For program point L1610(line 1610) no Hoare annotation was computed. [2020-10-28 10:20:15,660 INFO L274 CegarLoopResult]: For program point L1544(line 1544) no Hoare annotation was computed. [2020-10-28 10:20:15,660 INFO L274 CegarLoopResult]: For program point L1478(line 1478) no Hoare annotation was computed. [2020-10-28 10:20:15,660 INFO L274 CegarLoopResult]: For program point L1346(lines 1346 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,660 INFO L274 CegarLoopResult]: For program point L157(lines 157 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,660 INFO L274 CegarLoopResult]: For program point L91(lines 91 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,660 INFO L274 CegarLoopResult]: For program point L686(lines 686 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,661 INFO L274 CegarLoopResult]: For program point L224(lines 224 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,661 INFO L274 CegarLoopResult]: For program point L687(lines 687 701) no Hoare annotation was computed. [2020-10-28 10:20:15,661 INFO L274 CegarLoopResult]: For program point L687-2(lines 687 701) no Hoare annotation was computed. [2020-10-28 10:20:15,661 INFO L274 CegarLoopResult]: For program point L1612-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,661 INFO L274 CegarLoopResult]: For program point L1546-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,661 INFO L274 CegarLoopResult]: For program point L1480-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,661 INFO L274 CegarLoopResult]: For program point L1613(line 1613) no Hoare annotation was computed. [2020-10-28 10:20:15,661 INFO L274 CegarLoopResult]: For program point L1547(line 1547) no Hoare annotation was computed. [2020-10-28 10:20:15,661 INFO L274 CegarLoopResult]: For program point L490(lines 490 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,661 INFO L274 CegarLoopResult]: For program point L1481(line 1481) no Hoare annotation was computed. [2020-10-28 10:20:15,662 INFO L274 CegarLoopResult]: For program point L424(lines 424 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,662 INFO L274 CegarLoopResult]: For program point L358(lines 358 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,662 INFO L274 CegarLoopResult]: For program point L755(lines 755 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,662 INFO L274 CegarLoopResult]: For program point L624(lines 624 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,662 INFO L274 CegarLoopResult]: For program point L558(lines 558 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,662 INFO L274 CegarLoopResult]: For program point L1615-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,662 INFO L274 CegarLoopResult]: For program point L1549-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,662 INFO L274 CegarLoopResult]: For program point L1483-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,662 INFO L274 CegarLoopResult]: For program point L294(lines 294 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,662 INFO L274 CegarLoopResult]: For program point L1285(lines 1285 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,662 INFO L274 CegarLoopResult]: For program point L1616(line 1616) no Hoare annotation was computed. [2020-10-28 10:20:15,663 INFO L274 CegarLoopResult]: For program point L1550(line 1550) no Hoare annotation was computed. [2020-10-28 10:20:15,663 INFO L274 CegarLoopResult]: For program point L1484(line 1484) no Hoare annotation was computed. [2020-10-28 10:20:15,663 INFO L274 CegarLoopResult]: For program point L1352(lines 1352 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,663 INFO L274 CegarLoopResult]: For program point L1286(lines 1286 1305) no Hoare annotation was computed. [2020-10-28 10:20:15,663 INFO L274 CegarLoopResult]: For program point L1286-2(lines 1286 1305) no Hoare annotation was computed. [2020-10-28 10:20:15,663 INFO L274 CegarLoopResult]: For program point L1154(lines 1154 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,663 INFO L274 CegarLoopResult]: For program point L97(lines 97 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,663 INFO L274 CegarLoopResult]: For program point L1088(lines 1088 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,663 INFO L274 CegarLoopResult]: For program point L1023(lines 1023 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,664 INFO L274 CegarLoopResult]: For program point L957(lines 957 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,664 INFO L274 CegarLoopResult]: For program point L891(lines 891 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,664 INFO L274 CegarLoopResult]: For program point L1618-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,664 INFO L274 CegarLoopResult]: For program point L1552-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,664 INFO L274 CegarLoopResult]: For program point L1486-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:15,664 INFO L274 CegarLoopResult]: For program point L1619(line 1619) no Hoare annotation was computed. [2020-10-28 10:20:15,664 INFO L274 CegarLoopResult]: For program point L1553(line 1553) no Hoare annotation was computed. [2020-10-28 10:20:15,664 INFO L274 CegarLoopResult]: For program point L1487(line 1487) no Hoare annotation was computed. [2020-10-28 10:20:15,664 INFO L274 CegarLoopResult]: For program point L166(lines 166 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,664 INFO L274 CegarLoopResult]: For program point L827(lines 827 1467) no Hoare annotation was computed. [2020-10-28 10:20:15,665 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 10:20:15,665 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a27~0 ~a6~0)) (<= ~a11~0 0) (= ~a18~0 1)) [2020-10-28 10:20:15,665 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 10:20:15,665 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 10:20:15,665 INFO L274 CegarLoopResult]: For program point L1665(line 1665) no Hoare annotation was computed. [2020-10-28 10:20:15,665 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 1654 1671) the Hoare annotation is: (or (and (= ~a28~0 |old(~a28~0)|) (= ~a26~0 |old(~a26~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a6~0 |old(~a6~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a0~0 |old(~a0~0)|) (= ~a3~0 |old(~a3~0)|) (= ~a9~0 |old(~a9~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a5~0 |old(~a5~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a2~0 |old(~a2~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a14~0 |old(~a14~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|) (= ~a13~0 |old(~a13~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a22~0 |old(~a22~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a27~0 |old(~a27~0)|)) (= |old(~a6~0)| |old(~a27~0)|) (not (= ~a18~0 1)) (not (<= |old(~a11~0)| 0))) [2020-10-28 10:20:15,665 INFO L270 CegarLoopResult]: At program point L1660-2(lines 1660 1670) the Hoare annotation is: (let ((.cse0 (not (= ~a11~0 1)))) (or (= ~a12~0 1) (<= ~a11~0 0) (not (= ~a27~0 ~a6~0)) (= |old(~a6~0)| |old(~a27~0)|) (<= 2 ~a3~0) (and (= ~a5~0 1) (= ~a12~0 0) .cse0 (= ~a6~0 1) (= ~a3~0 1)) (<= ~a27~0 0) (and (<= 1 ~a26~0) (<= ~a26~0 1)) (= ~a3~0 0) (and (= ~a5~0 ~a3~0) (= ~a27~0 ~a5~0) (= ~a26~0 0) .cse0) (not (= ~a18~0 1)) (not (<= |old(~a11~0)| 0)))) [2020-10-28 10:20:15,665 INFO L274 CegarLoopResult]: For program point L1660-3(lines 1654 1671) no Hoare annotation was computed. [2020-10-28 10:20:15,666 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 1654 1671) no Hoare annotation was computed. [2020-10-28 10:20:15,666 INFO L270 CegarLoopResult]: At program point L1668(line 1668) the Hoare annotation is: (let ((.cse0 (not (= ~a11~0 1)))) (or (= ~a12~0 1) (<= ~a11~0 0) (not (= ~a27~0 ~a6~0)) (= |old(~a6~0)| |old(~a27~0)|) (<= 2 ~a3~0) (and (= ~a5~0 1) (= ~a12~0 0) .cse0 (= ~a6~0 1) (= ~a3~0 1)) (<= ~a27~0 0) (and (<= 1 ~a26~0) (<= ~a26~0 1)) (= ~a3~0 0) (and (= ~a5~0 ~a3~0) (= ~a27~0 ~a5~0) (= ~a26~0 0) .cse0) (not (= ~a18~0 1)) (not (<= |old(~a11~0)| 0)))) [2020-10-28 10:20:15,666 INFO L274 CegarLoopResult]: For program point L1668-1(line 1668) no Hoare annotation was computed. [2020-10-28 10:20:15,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:20:15 BoogieIcfgContainer [2020-10-28 10:20:15,689 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 10:20:15,691 INFO L168 Benchmark]: Toolchain (without parser) took 97396.21 ms. Allocated memory was 165.7 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 134.9 MB in the beginning and 517.0 MB in the end (delta: -382.2 MB). Peak memory consumption was 886.1 MB. Max. memory is 8.0 GB. [2020-10-28 10:20:15,691 INFO L168 Benchmark]: CDTParser took 0.67 ms. Allocated memory is still 125.8 MB. Free memory was 100.4 MB in the beginning and 100.3 MB in the end (delta: 76.1 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 10:20:15,692 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1170.34 ms. Allocated memory is still 165.7 MB. Free memory was 134.1 MB in the beginning and 103.9 MB in the end (delta: 30.2 MB). Peak memory consumption was 30.9 MB. Max. memory is 8.0 GB. [2020-10-28 10:20:15,693 INFO L168 Benchmark]: Boogie Preprocessor took 255.52 ms. Allocated memory is still 165.7 MB. Free memory was 103.9 MB in the beginning and 128.9 MB in the end (delta: -24.9 MB). Peak memory consumption was 8.6 MB. Max. memory is 8.0 GB. [2020-10-28 10:20:15,694 INFO L168 Benchmark]: RCFGBuilder took 3137.61 ms. Allocated memory was 165.7 MB in the beginning and 222.3 MB in the end (delta: 56.6 MB). Free memory was 128.9 MB in the beginning and 111.8 MB in the end (delta: 17.0 MB). Peak memory consumption was 80.0 MB. Max. memory is 8.0 GB. [2020-10-28 10:20:15,695 INFO L168 Benchmark]: TraceAbstraction took 92820.02 ms. Allocated memory was 222.3 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 111.3 MB in the beginning and 517.0 MB in the end (delta: -405.7 MB). Peak memory consumption was 804.4 MB. Max. memory is 8.0 GB. [2020-10-28 10:20:15,698 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67 ms. Allocated memory is still 125.8 MB. Free memory was 100.4 MB in the beginning and 100.3 MB in the end (delta: 76.1 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1170.34 ms. Allocated memory is still 165.7 MB. Free memory was 134.1 MB in the beginning and 103.9 MB in the end (delta: 30.2 MB). Peak memory consumption was 30.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 255.52 ms. Allocated memory is still 165.7 MB. Free memory was 103.9 MB in the beginning and 128.9 MB in the end (delta: -24.9 MB). Peak memory consumption was 8.6 MB. Max. memory is 8.0 GB. * RCFGBuilder took 3137.61 ms. Allocated memory was 165.7 MB in the beginning and 222.3 MB in the end (delta: 56.6 MB). Free memory was 128.9 MB in the beginning and 111.8 MB in the end (delta: 17.0 MB). Peak memory consumption was 80.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 92820.02 ms. Allocated memory was 222.3 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 111.3 MB in the beginning and 517.0 MB in the end (delta: -405.7 MB). Peak memory consumption was 804.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1660]: Loop Invariant Derived loop invariant: ((((((((((a12 == 1 || a11 <= 0) || !(a27 == a6)) || \old(a6) == \old(a27)) || 2 <= a3) || ((((a5 == 1 && a12 == 0) && !(a11 == 1)) && a6 == 1) && a3 == 1)) || a27 <= 0) || (1 <= a26 && a26 <= 1)) || a3 == 0) || (((a5 == a3 && a27 == a5) && a26 == 0) && !(a11 == 1))) || !(a18 == 1)) || !(\old(a11) <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 315 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 84.0s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 35.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 403 SDtfs, 3548 SDslu, 465 SDs, 0 SdLazy, 12481 SolverSat, 1415 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 105 GetRequests, 64 SyntacticMatches, 3 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 6.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10063occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 9 MinimizatonAttempts, 1428 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 425 PreInvPairs, 527 NumberOfFragments, 1426 HoareAnnotationTreeSize, 425 FomulaSimplifications, 402929 FormulaSimplificationTreeSizeReduction, 3.2s HoareSimplificationTime, 9 FomulaSimplificationsInter, 10460 FormulaSimplificationTreeSizeReductionInter, 5.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 43.3s InterpolantComputationTime, 2075 NumberOfCodeBlocks, 2075 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 2066 ConstructedInterpolants, 0 QuantifiedInterpolants, 4167299 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 430/442 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...