/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/Problem02_label32.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 10:10:24,195 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 10:10:24,198 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 10:10:24,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 10:10:24,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 10:10:24,240 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 10:10:24,242 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 10:10:24,245 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 10:10:24,247 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 10:10:24,248 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 10:10:24,250 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 10:10:24,251 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 10:10:24,252 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 10:10:24,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 10:10:24,258 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 10:10:24,264 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 10:10:24,265 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 10:10:24,266 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 10:10:24,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 10:10:24,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 10:10:24,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 10:10:24,285 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 10:10:24,287 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 10:10:24,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 10:10:24,299 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 10:10:24,300 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 10:10:24,300 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 10:10:24,306 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 10:10:24,307 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 10:10:24,310 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 10:10:24,311 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 10:10:24,312 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 10:10:24,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 10:10:24,315 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 10:10:24,317 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 10:10:24,317 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 10:10:24,318 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 10:10:24,318 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 10:10:24,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 10:10:24,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 10:10:24,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 10:10:24,332 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 10:10:24,393 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 10:10:24,393 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 10:10:24,395 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 10:10:24,395 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 10:10:24,395 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 10:10:24,396 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 10:10:24,396 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 10:10:24,396 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 10:10:24,397 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 10:10:24,397 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 10:10:24,397 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 10:10:24,397 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 10:10:24,398 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 10:10:24,398 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 10:10:24,398 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 10:10:24,398 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 10:10:24,399 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 10:10:24,399 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 10:10:24,399 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 10:10:24,399 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 10:10:24,400 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 10:10:24,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 10:10:24,400 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 10:10:24,400 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 10:10:24,401 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 10:10:24,401 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 10:10:24,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 10:10:24,401 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 10:10:24,402 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 10:10:24,402 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 10:10:24,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 10:10:24,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 10:10:24,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 10:10:24,829 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 10:10:24,830 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 10:10:24,831 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label32.c [2020-10-28 10:10:24,920 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/99a2280f7/e0137a19b4b547a0ae9e4397b5088948/FLAGb8f039733 [2020-10-28 10:10:25,805 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 10:10:25,806 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label32.c [2020-10-28 10:10:25,819 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/99a2280f7/e0137a19b4b547a0ae9e4397b5088948/FLAGb8f039733 [2020-10-28 10:10:26,029 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/99a2280f7/e0137a19b4b547a0ae9e4397b5088948 [2020-10-28 10:10:26,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 10:10:26,040 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 10:10:26,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 10:10:26,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 10:10:26,049 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 10:10:26,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:10:26" (1/1) ... [2020-10-28 10:10:26,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ec79b78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:10:26, skipping insertion in model container [2020-10-28 10:10:26,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:10:26" (1/1) ... [2020-10-28 10:10:26,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 10:10:26,113 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 10:10:26,484 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 10:10:26,495 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 10:10:26,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 10:10:26,614 INFO L208 MainTranslator]: Completed translation [2020-10-28 10:10:26,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:10:26 WrapperNode [2020-10-28 10:10:26,615 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 10:10:26,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 10:10:26,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 10:10:26,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 10:10:26,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:10:26" (1/1) ... [2020-10-28 10:10:26,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:10:26" (1/1) ... [2020-10-28 10:10:26,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:10:26" (1/1) ... [2020-10-28 10:10:26,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:10:26" (1/1) ... [2020-10-28 10:10:26,730 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:10:26" (1/1) ... [2020-10-28 10:10:26,748 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:10:26" (1/1) ... [2020-10-28 10:10:26,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:10:26" (1/1) ... [2020-10-28 10:10:26,766 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 10:10:26,767 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 10:10:26,767 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 10:10:26,768 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 10:10:26,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:10:26" (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 10:10:26,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 10:10:26,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 10:10:26,860 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 10:10:26,860 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-28 10:10:26,860 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 10:10:26,860 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-28 10:10:26,861 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 10:10:26,861 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 10:10:26,861 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 10:10:26,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 10:10:26,861 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 10:10:26,862 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 10:10:26,862 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 10:10:26,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 10:10:26,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 10:10:26,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 10:10:26,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 10:10:26,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 10:10:26,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 10:10:28,173 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 10:10:28,173 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 10:10:28,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:10:28 BoogieIcfgContainer [2020-10-28 10:10:28,176 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 10:10:28,178 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 10:10:28,179 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 10:10:28,183 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 10:10:28,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:10:26" (1/3) ... [2020-10-28 10:10:28,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58ba828 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:10:28, skipping insertion in model container [2020-10-28 10:10:28,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:10:26" (2/3) ... [2020-10-28 10:10:28,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58ba828 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:10:28, skipping insertion in model container [2020-10-28 10:10:28,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:10:28" (3/3) ... [2020-10-28 10:10:28,187 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label32.c [2020-10-28 10:10:28,200 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 10:10:28,207 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 10:10:28,223 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 10:10:28,256 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 10:10:28,256 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 10:10:28,256 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 10:10:28,256 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 10:10:28,257 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 10:10:28,257 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 10:10:28,257 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 10:10:28,257 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 10:10:28,284 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-28 10:10:28,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-28 10:10:28,299 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:10:28,300 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] [2020-10-28 10:10:28,301 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:10:28,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:10:28,308 INFO L82 PathProgramCache]: Analyzing trace with hash 1831200597, now seen corresponding path program 1 times [2020-10-28 10:10:28,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:10:28,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [333700686] [2020-10-28 10:10:28,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:10:28,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:10:28,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:28,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:30,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:10:30,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-28 10:10:30,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:10:30,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2240 [2020-10-28 10:10:30,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:10:30,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:10:30,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 10:10:30,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 10:10:30,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-28 10:10:30,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 10:10:31,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:10:31,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:10:31,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:31,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:10:31,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:10:31,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:10:31,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 10:10:31,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:10:31,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:10:31,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:10:31,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:10:31,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 10:10:31,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:10:31,190 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 10:10:31,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [333700686] [2020-10-28 10:10:31,194 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 10:10:31,194 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 10:10:31,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733108230] [2020-10-28 10:10:31,201 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 10:10:31,202 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:10:31,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 10:10:31,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 10:10:31,223 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 4 states. [2020-10-28 10:10:33,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:10:33,385 INFO L93 Difference]: Finished difference Result 632 states and 1079 transitions. [2020-10-28 10:10:33,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:10:33,388 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 116 [2020-10-28 10:10:33,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:10:33,416 INFO L225 Difference]: With dead ends: 632 [2020-10-28 10:10:33,416 INFO L226 Difference]: Without dead ends: 328 [2020-10-28 10:10:33,428 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:10:33,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2020-10-28 10:10:33,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 320. [2020-10-28 10:10:33,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2020-10-28 10:10:33,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 466 transitions. [2020-10-28 10:10:33,558 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 466 transitions. Word has length 116 [2020-10-28 10:10:33,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:10:33,560 INFO L481 AbstractCegarLoop]: Abstraction has 320 states and 466 transitions. [2020-10-28 10:10:33,560 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 10:10:33,561 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 466 transitions. [2020-10-28 10:10:33,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-28 10:10:33,576 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:10:33,576 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 10:10:33,576 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 10:10:33,577 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:10:33,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:10:33,580 INFO L82 PathProgramCache]: Analyzing trace with hash 775441254, now seen corresponding path program 1 times [2020-10-28 10:10:33,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:10:33,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [29607729] [2020-10-28 10:10:33,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:10:33,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:10:33,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:33,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:34,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:35,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:10:35,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-28 10:10:35,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 10:10:35,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1634 [2020-10-28 10:10:35,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:10:35,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:10:35,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:10:35,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-28 10:10:35,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-28 10:10:35,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:10:35,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:10:35,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:10:35,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:35,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:10:35,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:10:35,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:10:35,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 10:10:35,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:10:35,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:10:35,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:10:35,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:10:35,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:10:35,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:10:35,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:10:35,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:10:35,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:35,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:10:35,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 10:10:35,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:10:35,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 10:10:35,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:10:35,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:10:35,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:10:35,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:10:35,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 10:10:35,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:10:35,603 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:10:35,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [29607729] [2020-10-28 10:10:35,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:10:35,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:10:35,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019319863] [2020-10-28 10:10:35,606 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:10:35,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:10:35,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:10:35,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:10:35,608 INFO L87 Difference]: Start difference. First operand 320 states and 466 transitions. Second operand 5 states. [2020-10-28 10:10:37,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:10:37,516 INFO L93 Difference]: Finished difference Result 940 states and 1399 transitions. [2020-10-28 10:10:37,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:10:37,518 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 138 [2020-10-28 10:10:37,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:10:37,524 INFO L225 Difference]: With dead ends: 940 [2020-10-28 10:10:37,525 INFO L226 Difference]: Without dead ends: 626 [2020-10-28 10:10:37,527 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:10:37,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2020-10-28 10:10:37,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 616. [2020-10-28 10:10:37,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 616 states. [2020-10-28 10:10:37,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 823 transitions. [2020-10-28 10:10:37,590 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 823 transitions. Word has length 138 [2020-10-28 10:10:37,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:10:37,591 INFO L481 AbstractCegarLoop]: Abstraction has 616 states and 823 transitions. [2020-10-28 10:10:37,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:10:37,591 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 823 transitions. [2020-10-28 10:10:37,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-10-28 10:10:37,594 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:10:37,595 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:10:37,595 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 10:10:37,595 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:10:37,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:10:37,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1390184222, now seen corresponding path program 1 times [2020-10-28 10:10:37,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:10:37,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1826884822] [2020-10-28 10:10:37,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:10:37,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:10:37,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:37,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:38,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:38,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:10:38,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-28 10:10:38,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 10:10:38,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1202 [2020-10-28 10:10:38,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:10:38,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:10:38,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:10:38,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-28 10:10:38,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-28 10:10:38,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:10:38,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:10:38,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:10:38,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:38,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:10:38,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:10:38,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:10:38,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 10:10:38,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:10:38,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:10:38,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:10:38,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:10:38,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:10:38,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:10:39,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:10:39,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:10:39,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:39,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:10:39,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 10:10:39,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:10:39,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 10:10:39,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:10:39,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:10:39,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:10:39,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:10:39,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 10:10:39,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:10:39,116 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:10:39,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1826884822] [2020-10-28 10:10:39,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:10:39,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:10:39,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857546853] [2020-10-28 10:10:39,119 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:10:39,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:10:39,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:10:39,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:10:39,122 INFO L87 Difference]: Start difference. First operand 616 states and 823 transitions. Second operand 5 states. [2020-10-28 10:10:41,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:10:41,011 INFO L93 Difference]: Finished difference Result 1822 states and 2472 transitions. [2020-10-28 10:10:41,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:10:41,012 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 142 [2020-10-28 10:10:41,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:10:41,024 INFO L225 Difference]: With dead ends: 1822 [2020-10-28 10:10:41,027 INFO L226 Difference]: Without dead ends: 766 [2020-10-28 10:10:41,031 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:10:41,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2020-10-28 10:10:41,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 758. [2020-10-28 10:10:41,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 758 states. [2020-10-28 10:10:41,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 940 transitions. [2020-10-28 10:10:41,111 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 940 transitions. Word has length 142 [2020-10-28 10:10:41,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:10:41,111 INFO L481 AbstractCegarLoop]: Abstraction has 758 states and 940 transitions. [2020-10-28 10:10:41,112 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:10:41,112 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 940 transitions. [2020-10-28 10:10:41,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-10-28 10:10:41,115 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:10:41,116 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-28 10:10:41,116 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 10:10:41,116 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:10:41,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:10:41,117 INFO L82 PathProgramCache]: Analyzing trace with hash -39253369, now seen corresponding path program 1 times [2020-10-28 10:10:41,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:10:41,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1661467688] [2020-10-28 10:10:41,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:10:41,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:10:41,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:41,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:42,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:42,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:42,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:45,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:10:45,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-28 10:10:45,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 10:10:45,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3988 [2020-10-28 10:10:45,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:10:45,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:10:45,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 10:10:45,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-28 10:10:45,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 158 [2020-10-28 10:10:45,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:10:45,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:10:45,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:10:45,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:45,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:10:45,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:10:45,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:10:45,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 10:10:45,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:10:45,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:10:45,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:10:45,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:10:45,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:10:45,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:10:45,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:10:45,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:10:45,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:45,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:10:45,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 10:10:45,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:10:45,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 10:10:45,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:10:45,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:10:45,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:10:45,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:10:45,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 10:10:45,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-28 10:10:45,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-28 10:10:45,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:10:45,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:45,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:45,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:10:45,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-28 10:10:45,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:10:45,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-28 10:10:45,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:10:45,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:10:45,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:10:45,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 10:10:45,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-28 10:10:45,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:10:45,602 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 44 proven. 39 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-28 10:10:45,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1661467688] [2020-10-28 10:10:45,602 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:10:45,603 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-28 10:10:45,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734663946] [2020-10-28 10:10:45,604 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 10:10:45,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:10:45,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 10:10:45,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:10:45,606 INFO L87 Difference]: Start difference. First operand 758 states and 940 transitions. Second operand 6 states. [2020-10-28 10:10:47,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:10:47,668 INFO L93 Difference]: Finished difference Result 2013 states and 2626 transitions. [2020-10-28 10:10:47,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 10:10:47,669 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 184 [2020-10-28 10:10:47,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:10:47,683 INFO L225 Difference]: With dead ends: 2013 [2020-10-28 10:10:47,684 INFO L226 Difference]: Without dead ends: 1260 [2020-10-28 10:10:47,687 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-28 10:10:47,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1260 states. [2020-10-28 10:10:47,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1260 to 1218. [2020-10-28 10:10:47,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1218 states. [2020-10-28 10:10:47,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 1491 transitions. [2020-10-28 10:10:47,783 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 1491 transitions. Word has length 184 [2020-10-28 10:10:47,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:10:47,785 INFO L481 AbstractCegarLoop]: Abstraction has 1218 states and 1491 transitions. [2020-10-28 10:10:47,785 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 10:10:47,785 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1491 transitions. [2020-10-28 10:10:47,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-10-28 10:10:47,792 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:10:47,792 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 10:10:47,792 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 10:10:47,793 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:10:47,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:10:47,793 INFO L82 PathProgramCache]: Analyzing trace with hash -841438759, now seen corresponding path program 1 times [2020-10-28 10:10:47,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:10:47,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [343092788] [2020-10-28 10:10:47,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:10:47,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:10:47,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:47,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:48,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:48,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:49,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:49,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:52,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:10:52,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 214 [2020-10-28 10:10:52,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 10:10:52,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4778 [2020-10-28 10:10:52,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:10:52,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:10:52,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 10:10:52,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 10:10:52,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 194 [2020-10-28 10:10:52,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:10:52,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:10:52,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:10:52,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:52,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:10:52,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:10:52,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:10:52,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 10:10:52,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:10:52,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:10:52,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:10:52,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:10:52,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 10:10:52,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 10:10:52,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:10:52,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:10:52,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:52,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:52,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:10:52,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 10:10:52,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:10:52,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-28 10:10:52,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:10:52,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:10:52,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:10:52,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:10:52,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 10:10:52,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:10:52,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-28 10:10:52,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:10:52,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:53,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:10:53,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:10:53,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-28 10:10:53,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:10:53,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-10-28 10:10:53,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:10:53,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:10:53,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 10:10:53,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:10:53,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-28 10:10:53,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:10:53,373 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 77 proven. 2 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-28 10:10:53,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [343092788] [2020-10-28 10:10:53,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:10:53,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 10:10:53,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001961490] [2020-10-28 10:10:53,375 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 10:10:53,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:10:53,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 10:10:53,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 10:10:53,376 INFO L87 Difference]: Start difference. First operand 1218 states and 1491 transitions. Second operand 7 states. [2020-10-28 10:10:54,361 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-28 10:10:55,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:10:55,025 INFO L93 Difference]: Finished difference Result 2243 states and 2807 transitions. [2020-10-28 10:10:55,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 10:10:55,026 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 200 [2020-10-28 10:10:55,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:10:55,027 INFO L225 Difference]: With dead ends: 2243 [2020-10-28 10:10:55,027 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 10:10:55,037 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-28 10:10:55,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 10:10:55,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 10:10:55,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 10:10:55,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 10:10:55,039 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 200 [2020-10-28 10:10:55,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:10:55,039 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 10:10:55,039 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 10:10:55,039 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 10:10:55,039 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 10:10:55,040 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 10:10:55,042 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 10:10:55,373 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 31 [2020-10-28 10:10:55,497 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 31 [2020-10-28 10:10:56,274 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 57 [2020-10-28 10:10:56,630 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2020-10-28 10:10:56,634 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-28 10:10:56,635 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-28 10:10:56,635 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-28 10:10:56,635 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-28 10:10:56,636 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 10:10:56,638 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)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|)) [2020-10-28 10:10:56,638 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 10:10:56,638 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-28 10:10:56,638 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-28 10:10:56,638 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-28 10:10:56,639 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-28 10:10:56,639 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-28 10:10:56,639 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-28 10:10:56,639 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-28 10:10:56,639 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-28 10:10:56,639 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-28 10:10:56,639 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-28 10:10:56,639 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-28 10:10:56,639 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-28 10:10:56,640 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-28 10:10:56,640 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-28 10:10:56,640 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-28 10:10:56,640 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,640 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,640 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,640 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,640 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,641 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-28 10:10:56,641 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-28 10:10:56,641 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-28 10:10:56,641 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-28 10:10:56,642 INFO L270 CegarLoopResult]: At program point L501(line 501) the Hoare annotation is: (let ((.cse2 (not (= 8 |old(~a17~0)|))) (.cse1 (not (= |old(~a11~0)| 1))) (.cse4 (not (= |old(~a25~0)| 1))) (.cse0 (not (<= 10 |old(~a28~0)|))) (.cse3 (not (= ~a21~0 1)))) (and (or .cse0 .cse1) (or .cse2 .cse3) (or .cse4 .cse3 .cse1) (or .cse2 .cse1) (or (not (= 7 |old(~a17~0)|)) (not (= 0 |old(~a11~0)|)) (not (= |old(~a11~0)| |old(~a19~0)|)) (not (= 9 |old(~a28~0)|)) .cse3 (not (= |old(~a11~0)| |old(~a25~0)|))) (or .cse4 .cse0 .cse3))) [2020-10-28 10:10:56,643 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-28 10:10:56,643 INFO L274 CegarLoopResult]: For program point L501-1(line 501) no Hoare annotation was computed. [2020-10-28 10:10:56,643 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-28 10:10:56,643 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-28 10:10:56,643 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-28 10:10:56,643 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-28 10:10:56,643 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-28 10:10:56,644 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-28 10:10:56,644 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-28 10:10:56,644 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,644 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,646 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,646 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,646 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-28 10:10:56,646 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,646 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-28 10:10:56,646 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-28 10:10:56,646 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-28 10:10:56,646 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-28 10:10:56,646 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-28 10:10:56,647 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-28 10:10:56,647 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-28 10:10:56,647 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-28 10:10:56,647 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-28 10:10:56,647 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-28 10:10:56,647 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-28 10:10:56,647 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-28 10:10:56,651 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-28 10:10:56,651 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-28 10:10:56,651 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-28 10:10:56,652 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,652 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,652 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,652 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,652 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,652 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-28 10:10:56,652 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-28 10:10:56,652 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-28 10:10:56,652 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-28 10:10:56,653 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-28 10:10:56,653 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-28 10:10:56,653 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-28 10:10:56,653 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-28 10:10:56,653 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-28 10:10:56,653 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-28 10:10:56,653 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-28 10:10:56,653 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,653 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,653 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,654 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,654 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,654 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-28 10:10:56,654 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-28 10:10:56,656 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-28 10:10:56,656 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-28 10:10:56,657 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-28 10:10:56,657 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-28 10:10:56,657 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-28 10:10:56,657 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-28 10:10:56,657 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-28 10:10:56,657 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-28 10:10:56,657 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-28 10:10:56,657 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-28 10:10:56,657 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-28 10:10:56,658 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,658 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,658 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,658 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,658 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,658 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-28 10:10:56,658 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-28 10:10:56,658 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-28 10:10:56,658 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-28 10:10:56,658 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-28 10:10:56,659 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-28 10:10:56,659 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-28 10:10:56,660 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-28 10:10:56,660 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-28 10:10:56,660 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,660 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,660 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-28 10:10:56,660 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-28 10:10:56,661 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-28 10:10:56,661 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-28 10:10:56,661 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-28 10:10:56,661 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-28 10:10:56,661 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-28 10:10:56,662 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,662 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,662 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,662 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,662 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-28 10:10:56,662 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,662 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-28 10:10:56,662 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,662 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-28 10:10:56,663 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-28 10:10:56,663 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-28 10:10:56,663 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-28 10:10:56,663 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-28 10:10:56,663 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-28 10:10:56,663 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-28 10:10:56,663 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-28 10:10:56,663 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-28 10:10:56,663 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-28 10:10:56,663 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-28 10:10:56,663 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-28 10:10:56,664 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-28 10:10:56,664 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-28 10:10:56,664 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,664 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,664 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,664 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,664 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,664 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,664 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-28 10:10:56,665 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-28 10:10:56,665 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-28 10:10:56,665 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-28 10:10:56,665 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-28 10:10:56,665 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-28 10:10:56,665 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-28 10:10:56,665 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-28 10:10:56,665 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-28 10:10:56,665 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-28 10:10:56,665 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-28 10:10:56,666 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,666 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,666 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,666 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,666 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,666 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,666 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-28 10:10:56,666 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-28 10:10:56,666 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-28 10:10:56,666 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-28 10:10:56,666 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-28 10:10:56,667 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-28 10:10:56,667 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-28 10:10:56,667 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse8 (= ~a17~0 |old(~a17~0)|)) (.cse7 (= ~a28~0 |old(~a28~0)|)) (.cse9 (= ~a11~0 |old(~a11~0)|)) (.cse10 (= ~a25~0 |old(~a25~0)|)) (.cse11 (= ~a19~0 |old(~a19~0)|))) (let ((.cse0 (and .cse7 .cse9 .cse10 (= ~a17~0 8) .cse11)) (.cse1 (not (= 8 |old(~a17~0)|))) (.cse3 (not (= |old(~a25~0)| 1))) (.cse4 (and .cse7 .cse8 .cse9 (= ~a25~0 1) .cse11)) (.cse5 (not (<= 10 |old(~a28~0)|))) (.cse6 (not (= |old(~a11~0)| 1))) (.cse2 (not (= ~a21~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse2) (or .cse0 .cse1 .cse6) (or .cse3 .cse4 .cse2 .cse6) (or (and .cse7 .cse8 .cse9 .cse10 .cse11) .cse5 .cse6) (or (not (= 7 |old(~a17~0)|)) (not (= 0 |old(~a11~0)|)) (and (= ~a25~0 ~a11~0) .cse8 .cse10 (= ~a28~0 9) .cse11) (not (= |old(~a11~0)| |old(~a19~0)|)) (not (= 9 |old(~a28~0)|)) .cse2 (not (= |old(~a11~0)| |old(~a25~0)|)))))) [2020-10-28 10:10:56,667 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-28 10:10:56,667 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-28 10:10:56,667 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-28 10:10:56,668 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-28 10:10:56,668 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-28 10:10:56,668 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-28 10:10:56,668 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-28 10:10:56,668 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,668 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,668 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,668 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,668 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,669 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,669 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-28 10:10:56,669 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-28 10:10:56,669 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-28 10:10:56,669 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-28 10:10:56,669 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-28 10:10:56,669 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-28 10:10:56,669 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-28 10:10:56,669 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-28 10:10:56,669 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-28 10:10:56,670 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-28 10:10:56,670 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-28 10:10:56,670 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-28 10:10:56,670 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-28 10:10:56,670 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,670 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,670 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,670 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,670 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,670 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,671 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-28 10:10:56,671 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-28 10:10:56,671 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-28 10:10:56,672 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-28 10:10:56,672 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-28 10:10:56,672 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-28 10:10:56,672 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-28 10:10:56,672 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-28 10:10:56,673 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-28 10:10:56,673 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-28 10:10:56,673 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-28 10:10:56,673 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-28 10:10:56,673 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-28 10:10:56,673 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-28 10:10:56,673 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-28 10:10:56,673 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-28 10:10:56,673 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,673 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,674 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,674 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,674 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:10:56,674 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-28 10:10:56,674 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-28 10:10:56,674 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-28 10:10:56,674 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-28 10:10:56,674 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 10:10:56,675 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a21~0 1) (= ~a17~0 8)) [2020-10-28 10:10:56,675 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 10:10:56,675 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 10:10:56,675 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse1 (= ~a25~0 1)) (.cse0 (<= 10 ~a28~0)) (.cse2 (= ~a11~0 1))) (or (and .cse0 .cse1) (and .cse1 .cse2) (and .cse0 .cse2) (= ~a17~0 8) (not (= 8 |old(~a17~0)|)) (and (= ~a25~0 ~a11~0) (= 7 ~a17~0) (= ~a11~0 0) (= ~a28~0 9) (= ~a11~0 ~a19~0)) (not (= ~a21~0 1)))) [2020-10-28 10:10:56,675 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (= ~a19~0 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= ~a21~0 1))) [2020-10-28 10:10:56,675 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-28 10:10:56,676 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-28 10:10:56,676 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse1 (= ~a25~0 1)) (.cse0 (<= 10 ~a28~0)) (.cse2 (= ~a11~0 1))) (or (and .cse0 .cse1) (and .cse1 .cse2) (and .cse0 .cse2) (= ~a17~0 8) (not (= 8 |old(~a17~0)|)) (and (= ~a25~0 ~a11~0) (= 7 ~a17~0) (= ~a11~0 0) (= ~a28~0 9) (= ~a11~0 ~a19~0)) (not (= ~a21~0 1)))) [2020-10-28 10:10:56,676 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-28 10:10:56,676 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-28 10:10:56,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:10:56 BoogieIcfgContainer [2020-10-28 10:10:56,710 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 10:10:56,714 INFO L168 Benchmark]: Toolchain (without parser) took 30676.43 ms. Allocated memory was 151.0 MB in the beginning and 615.5 MB in the end (delta: 464.5 MB). Free memory was 125.2 MB in the beginning and 328.5 MB in the end (delta: -203.4 MB). Peak memory consumption was 365.9 MB. Max. memory is 8.0 GB. [2020-10-28 10:10:56,715 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 125.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 10:10:56,717 INFO L168 Benchmark]: CACSL2BoogieTranslator took 570.64 ms. Allocated memory is still 151.0 MB. Free memory was 124.4 MB in the beginning and 98.9 MB in the end (delta: 25.5 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2020-10-28 10:10:56,719 INFO L168 Benchmark]: Boogie Preprocessor took 149.89 ms. Allocated memory is still 151.0 MB. Free memory was 98.9 MB in the beginning and 93.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-28 10:10:56,725 INFO L168 Benchmark]: RCFGBuilder took 1409.26 ms. Allocated memory was 151.0 MB in the beginning and 199.2 MB in the end (delta: 48.2 MB). Free memory was 93.9 MB in the beginning and 165.9 MB in the end (delta: -72.0 MB). Peak memory consumption was 47.8 MB. Max. memory is 8.0 GB. [2020-10-28 10:10:56,726 INFO L168 Benchmark]: TraceAbstraction took 28531.51 ms. Allocated memory was 199.2 MB in the beginning and 615.5 MB in the end (delta: 416.3 MB). Free memory was 165.4 MB in the beginning and 328.5 MB in the end (delta: -163.2 MB). Peak memory consumption was 356.9 MB. Max. memory is 8.0 GB. [2020-10-28 10:10:56,736 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 125.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 570.64 ms. Allocated memory is still 151.0 MB. Free memory was 124.4 MB in the beginning and 98.9 MB in the end (delta: 25.5 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 149.89 ms. Allocated memory is still 151.0 MB. Free memory was 98.9 MB in the beginning and 93.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1409.26 ms. Allocated memory was 151.0 MB in the beginning and 199.2 MB in the end (delta: 48.2 MB). Free memory was 93.9 MB in the beginning and 165.9 MB in the end (delta: -72.0 MB). Peak memory consumption was 47.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 28531.51 ms. Allocated memory was 199.2 MB in the beginning and 615.5 MB in the end (delta: 416.3 MB). Free memory was 165.4 MB in the beginning and 328.5 MB in the end (delta: -163.2 MB). Peak memory consumption was 356.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: ((((((10 <= a28 && a25 == 1) || (a25 == 1 && a11 == 1)) || (10 <= a28 && a11 == 1)) || a17 == 8) || !(8 == \old(a17))) || ((((a25 == a11 && 7 == a17) && a11 == 0) && a28 == 9) && a11 == a19)) || !(a21 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26.7s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 9.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 194 SDtfs, 1589 SDslu, 188 SDs, 0 SdLazy, 3878 SolverSat, 614 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1218occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 68 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 79 PreInvPairs, 107 NumberOfFragments, 468 HoareAnnotationTreeSize, 79 FomulaSimplifications, 32548 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1041 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 15.6s InterpolantComputationTime, 780 NumberOfCodeBlocks, 780 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 775 ConstructedInterpolants, 0 QuantifiedInterpolants, 710847 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 189/232 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...