/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 19:23:18,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 19:23:18,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 19:23:18,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 19:23:18,150 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 19:23:18,157 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 19:23:18,160 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 19:23:18,163 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 19:23:18,166 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 19:23:18,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 19:23:18,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 19:23:18,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 19:23:18,172 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 19:23:18,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 19:23:18,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 19:23:18,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 19:23:18,180 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 19:23:18,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 19:23:18,183 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 19:23:18,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 19:23:18,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 19:23:18,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 19:23:18,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 19:23:18,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 19:23:18,210 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 19:23:18,210 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 19:23:18,210 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 19:23:18,211 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 19:23:18,211 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 19:23:18,214 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 19:23:18,215 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 19:23:18,216 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 19:23:18,216 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 19:23:18,217 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 19:23:18,219 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 19:23:18,219 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 19:23:18,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 19:23:18,220 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 19:23:18,220 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 19:23:18,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 19:23:18,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 19:23:18,224 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 19:23:18,272 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 19:23:18,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 19:23:18,275 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 19:23:18,275 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 19:23:18,275 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 19:23:18,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 19:23:18,276 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 19:23:18,276 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 19:23:18,277 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 19:23:18,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 19:23:18,278 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 19:23:18,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 19:23:18,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 19:23:18,279 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 19:23:18,279 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 19:23:18,279 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 19:23:18,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 19:23:18,280 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 19:23:18,280 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 19:23:18,280 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 19:23:18,280 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 19:23:18,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 19:23:18,281 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 19:23:18,281 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 19:23:18,281 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 19:23:18,281 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 19:23:18,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 19:23:18,282 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 19:23:18,282 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 19:23:18,282 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-24 19:23:18,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 19:23:18,807 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 19:23:18,812 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 19:23:18,814 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 19:23:18,814 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 19:23:18,816 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i [2020-09-24 19:23:18,897 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b932af17b/b2d1d92cfbc4480ca1055d255251551b/FLAGb443e3bc2 [2020-09-24 19:23:19,405 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 19:23:19,406 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i [2020-09-24 19:23:19,415 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b932af17b/b2d1d92cfbc4480ca1055d255251551b/FLAGb443e3bc2 [2020-09-24 19:23:19,751 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b932af17b/b2d1d92cfbc4480ca1055d255251551b [2020-09-24 19:23:19,764 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 19:23:19,768 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 19:23:19,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 19:23:19,770 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 19:23:19,774 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 19:23:19,776 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 07:23:19" (1/1) ... [2020-09-24 19:23:19,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bd8ad23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:23:19, skipping insertion in model container [2020-09-24 19:23:19,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 07:23:19" (1/1) ... [2020-09-24 19:23:19,790 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 19:23:19,821 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 19:23:20,069 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 19:23:20,091 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 19:23:20,120 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 19:23:20,270 INFO L208 MainTranslator]: Completed translation [2020-09-24 19:23:20,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:23:20 WrapperNode [2020-09-24 19:23:20,272 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 19:23:20,273 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 19:23:20,273 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 19:23:20,274 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 19:23:20,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:23:20" (1/1) ... [2020-09-24 19:23:20,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:23:20" (1/1) ... [2020-09-24 19:23:20,324 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:23:20" (1/1) ... [2020-09-24 19:23:20,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:23:20" (1/1) ... [2020-09-24 19:23:20,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:23:20" (1/1) ... [2020-09-24 19:23:20,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:23:20" (1/1) ... [2020-09-24 19:23:20,363 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:23:20" (1/1) ... [2020-09-24 19:23:20,375 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 19:23:20,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 19:23:20,376 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 19:23:20,376 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 19:23:20,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:23:20" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 19:23:20,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 19:23:20,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 19:23:20,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-09-24 19:23:20,465 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-24 19:23:20,466 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-24 19:23:20,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_find_same_bus_num [2020-09-24 19:23:20,466 INFO L138 BoogieDeclarations]: Found implementation of procedure fillslotinfo [2020-09-24 19:23:20,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_init_devno [2020-09-24 19:23:20,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ebda_rsrc_controller [2020-09-24 19:23:20,467 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 19:23:20,467 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-24 19:23:20,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 19:23:20,467 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-09-24 19:23:20,467 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-24 19:23:20,468 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-24 19:23:20,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 19:23:20,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-24 19:23:20,468 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-24 19:23:20,469 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_find_same_bus_num [2020-09-24 19:23:20,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 19:23:20,469 INFO L130 BoogieDeclarations]: Found specification of procedure fillslotinfo [2020-09-24 19:23:20,469 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_init_devno [2020-09-24 19:23:20,469 INFO L130 BoogieDeclarations]: Found specification of procedure ebda_rsrc_controller [2020-09-24 19:23:20,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 19:23:20,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 19:23:20,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 19:23:20,470 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 19:23:20,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 19:23:20,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 19:23:20,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 19:23:20,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 19:23:20,929 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 19:23:20,929 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 19:23:20,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 07:23:20 BoogieIcfgContainer [2020-09-24 19:23:20,937 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 19:23:20,938 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 19:23:20,938 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 19:23:20,942 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 19:23:20,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 07:23:19" (1/3) ... [2020-09-24 19:23:20,943 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61fcc0ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 07:23:20, skipping insertion in model container [2020-09-24 19:23:20,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:23:20" (2/3) ... [2020-09-24 19:23:20,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61fcc0ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 07:23:20, skipping insertion in model container [2020-09-24 19:23:20,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 07:23:20" (3/3) ... [2020-09-24 19:23:20,946 INFO L109 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast.i [2020-09-24 19:23:20,958 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 19:23:20,969 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 19:23:20,992 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 19:23:21,025 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 19:23:21,025 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 19:23:21,025 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 19:23:21,026 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 19:23:21,026 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 19:23:21,026 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 19:23:21,026 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 19:23:21,026 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 19:23:21,052 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states. [2020-09-24 19:23:21,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-09-24 19:23:21,062 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:23:21,063 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] [2020-09-24 19:23:21,064 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:23:21,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:23:21,071 INFO L82 PathProgramCache]: Analyzing trace with hash -89061568, now seen corresponding path program 1 times [2020-09-24 19:23:21,082 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:23:21,082 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1364370661] [2020-09-24 19:23:21,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:23:21,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:21,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:21,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:22,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:22,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-24 19:23:22,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:23:22,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1016 [2020-09-24 19:23:22,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:22,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 19:23:22,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-24 19:23:22,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 19:23:22,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 19:23:22,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:23:22,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:22,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:22,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:22,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:23:22,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:22,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 19:23:22,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:22,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:22,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:22,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:22,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:23:22,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 19:23:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:22,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:22,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:22,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-24 19:23:22,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:22,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-09-24 19:23:22,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:22,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 19:23:22,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 19:23:22,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 19:23:22,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:23:22,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:23:22,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:22,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:22,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:22,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 19:23:22,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:22,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-24 19:23:22,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:22,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 19:23:22,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:22,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 19:23:22,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:23:22,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:23:22,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:22,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:22,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:22,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 19:23:22,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:22,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 19:23:22,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:22,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:23:22,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:22,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 19:23:22,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 19:23:22,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 19:23:22,849 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1364370661] [2020-09-24 19:23:22,852 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:23:22,855 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 19:23:22,856 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980912675] [2020-09-24 19:23:22,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 19:23:22,864 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:23:22,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 19:23:22,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-24 19:23:22,887 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 10 states. [2020-09-24 19:23:23,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:23:23,501 INFO L93 Difference]: Finished difference Result 117 states and 128 transitions. [2020-09-24 19:23:23,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 19:23:23,503 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 38 [2020-09-24 19:23:23,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:23:23,520 INFO L225 Difference]: With dead ends: 117 [2020-09-24 19:23:23,520 INFO L226 Difference]: Without dead ends: 96 [2020-09-24 19:23:23,525 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-09-24 19:23:23,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2020-09-24 19:23:23,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 94. [2020-09-24 19:23:23,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-09-24 19:23:23,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 100 transitions. [2020-09-24 19:23:23,601 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 100 transitions. Word has length 38 [2020-09-24 19:23:23,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:23:23,614 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 100 transitions. [2020-09-24 19:23:23,614 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 19:23:23,614 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 100 transitions. [2020-09-24 19:23:23,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-24 19:23:23,617 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:23:23,617 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:23:23,618 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 19:23:23,618 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:23:23,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:23:23,618 INFO L82 PathProgramCache]: Analyzing trace with hash 754971495, now seen corresponding path program 1 times [2020-09-24 19:23:23,619 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:23:23,619 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1095494603] [2020-09-24 19:23:23,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:23:23,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:23,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:23,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:24,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:24,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 19:23:24,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:23:24,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 853 [2020-09-24 19:23:24,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:24,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 19:23:24,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-09-24 19:23:24,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 19:23:24,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:23:24,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:23:24,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:24,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:24,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:24,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:23:24,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:24,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 19:23:24,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:24,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:24,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:24,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:24,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:23:24,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 19:23:24,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:24,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:24,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:24,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 19:23:24,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:24,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-09-24 19:23:24,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:24,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 19:23:24,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-24 19:23:24,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 19:23:24,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:23:24,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:23:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:24,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:24,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:24,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 19:23:24,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:24,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 19:23:24,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:24,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:24,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:24,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:24,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:23:24,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:23:24,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:24,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:24,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:24,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 19:23:24,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:24,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:23:24,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:24,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:24,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:24,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:24,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:23:24,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-24 19:23:24,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:24,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:24,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:24,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 19:23:24,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:24,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-24 19:23:24,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:24,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 19:23:24,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:24,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 19:23:24,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:23:24,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:23:24,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:24,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:24,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:24,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 19:23:24,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:24,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 19:23:24,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:24,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:23:24,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:24,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 19:23:24,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:23:24,996 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-24 19:23:24,996 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1095494603] [2020-09-24 19:23:24,997 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:23:24,997 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 19:23:24,997 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687981854] [2020-09-24 19:23:25,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 19:23:25,000 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:23:25,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 19:23:25,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-24 19:23:25,001 INFO L87 Difference]: Start difference. First operand 94 states and 100 transitions. Second operand 10 states. [2020-09-24 19:23:25,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:23:25,606 INFO L93 Difference]: Finished difference Result 116 states and 120 transitions. [2020-09-24 19:23:25,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-24 19:23:25,606 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 53 [2020-09-24 19:23:25,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:23:25,611 INFO L225 Difference]: With dead ends: 116 [2020-09-24 19:23:25,611 INFO L226 Difference]: Without dead ends: 105 [2020-09-24 19:23:25,613 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=75, Invalid=305, Unknown=0, NotChecked=0, Total=380 [2020-09-24 19:23:25,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-09-24 19:23:25,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 103. [2020-09-24 19:23:25,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-09-24 19:23:25,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 107 transitions. [2020-09-24 19:23:25,649 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 107 transitions. Word has length 53 [2020-09-24 19:23:25,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:23:25,650 INFO L479 AbstractCegarLoop]: Abstraction has 103 states and 107 transitions. [2020-09-24 19:23:25,650 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 19:23:25,650 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 107 transitions. [2020-09-24 19:23:25,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-09-24 19:23:25,657 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:23:25,658 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:23:25,658 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 19:23:25,658 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:23:25,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:23:25,659 INFO L82 PathProgramCache]: Analyzing trace with hash 2072899472, now seen corresponding path program 1 times [2020-09-24 19:23:25,660 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:23:25,660 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [659852752] [2020-09-24 19:23:25,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:23:25,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:25,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:26,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:26,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-09-24 19:23:26,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:26,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 592 [2020-09-24 19:23:26,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:26,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 19:23:26,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-09-24 19:23:26,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-24 19:23:26,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:23:26,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:23:26,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:26,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:26,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:26,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:23:26,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:26,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 19:23:26,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:26,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:26,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:26,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:26,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:23:26,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 19:23:26,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:26,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:26,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:26,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-24 19:23:26,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:26,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 485 [2020-09-24 19:23:26,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:26,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 19:23:26,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-09-24 19:23:26,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-24 19:23:26,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:23:27,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:23:27,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:27,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:27,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:27,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 19:23:27,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:27,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 19:23:27,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:27,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:27,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:27,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:27,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:23:27,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:23:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:27,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:27,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:27,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 19:23:27,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:27,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 19:23:27,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:27,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:27,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:27,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:27,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:23:27,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-24 19:23:27,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:27,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:27,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:27,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 19:23:27,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:27,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 19:23:27,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:27,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:27,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:27,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:27,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:23:27,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:23:27,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:27,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:27,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:27,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 19:23:27,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:27,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:23:27,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:27,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:27,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:27,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:27,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:23:27,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-24 19:23:27,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:27,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:27,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:27,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 19:23:27,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:27,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-24 19:23:27,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:27,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 19:23:27,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:27,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 19:23:27,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:23:27,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:23:27,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:27,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:27,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:27,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 19:23:27,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:27,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-24 19:23:27,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:27,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 19:23:27,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:27,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 19:23:27,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 18 [2020-09-24 19:23:27,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:23:27,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:27,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:27,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:27,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 19:23:27,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:27,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 19:23:27,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:27,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:23:27,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:27,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 19:23:27,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-09-24 19:23:27,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-24 19:23:27,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:27,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:27,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:27,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:23:27,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:27,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:23:27,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:27,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:27,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 19:23:27,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:27,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:23:27,547 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-09-24 19:23:27,549 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [659852752] [2020-09-24 19:23:27,549 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:23:27,550 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-24 19:23:27,551 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979017426] [2020-09-24 19:23:27,552 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-24 19:23:27,552 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:23:27,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-24 19:23:27,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-09-24 19:23:27,554 INFO L87 Difference]: Start difference. First operand 103 states and 107 transitions. Second operand 13 states. [2020-09-24 19:23:28,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:23:28,181 INFO L93 Difference]: Finished difference Result 123 states and 127 transitions. [2020-09-24 19:23:28,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-24 19:23:28,182 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 83 [2020-09-24 19:23:28,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:23:28,185 INFO L225 Difference]: With dead ends: 123 [2020-09-24 19:23:28,185 INFO L226 Difference]: Without dead ends: 104 [2020-09-24 19:23:28,186 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=77, Invalid=385, Unknown=0, NotChecked=0, Total=462 [2020-09-24 19:23:28,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-09-24 19:23:28,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 102. [2020-09-24 19:23:28,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-09-24 19:23:28,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 105 transitions. [2020-09-24 19:23:28,211 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 105 transitions. Word has length 83 [2020-09-24 19:23:28,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:23:28,213 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 105 transitions. [2020-09-24 19:23:28,214 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-24 19:23:28,214 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 105 transitions. [2020-09-24 19:23:28,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-09-24 19:23:28,217 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:23:28,218 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:23:28,218 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 19:23:28,218 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:23:28,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:23:28,219 INFO L82 PathProgramCache]: Analyzing trace with hash 1162317510, now seen corresponding path program 1 times [2020-09-24 19:23:28,219 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:23:28,219 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [467482447] [2020-09-24 19:23:28,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:23:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:28,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:28,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:28,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:29,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:29,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-09-24 19:23:29,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 19:23:29,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1005 [2020-09-24 19:23:29,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:29,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:23:29,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-09-24 19:23:29,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 19:23:29,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:23:29,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:23:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:29,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:29,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:29,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:23:29,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:29,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 19:23:29,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:29,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:29,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:29,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:29,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:23:29,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 19:23:29,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:29,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:29,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:29,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:30,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:30,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-09-24 19:23:30,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 19:23:30,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1024 [2020-09-24 19:23:30,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:30,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:23:30,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:30,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 19:23:30,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:23:30,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:23:30,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:30,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:30,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:30,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 19:23:30,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:30,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 19:23:30,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:30,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:30,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:30,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:30,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:23:30,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:23:30,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:30,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:30,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:30,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 19:23:30,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:30,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:23:30,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:30,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:30,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:30,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:30,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:23:30,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-24 19:23:30,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:30,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:30,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:30,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 19:23:30,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:30,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 19:23:30,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:30,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:30,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:30,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:30,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:23:30,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:23:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:30,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:30,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:30,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 19:23:30,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:30,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:23:30,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:30,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:30,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:30,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:30,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:23:30,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-24 19:23:30,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:30,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:30,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:30,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 19:23:30,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:30,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 19:23:30,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:30,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:30,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:30,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:30,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:23:30,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:23:30,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:30,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:30,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:30,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 19:23:30,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:30,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 19:23:30,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:30,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:30,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:30,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:30,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:23:30,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:23:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:30,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:30,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:30,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 19:23:30,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:30,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:23:30,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:30,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:30,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:30,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:30,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:23:30,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-24 19:23:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:30,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:30,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:30,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:23:30,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:30,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:23:30,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:30,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:23:30,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:30,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 19:23:30,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:23:30,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-09-24 19:23:30,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:30,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:30,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:30,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:23:30,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:30,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:23:30,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:30,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:23:30,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:30,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 19:23:30,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:23:30,657 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-09-24 19:23:30,658 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [467482447] [2020-09-24 19:23:30,658 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:23:30,658 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 19:23:30,659 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631852965] [2020-09-24 19:23:30,660 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 19:23:30,661 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:23:30,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 19:23:30,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-24 19:23:30,661 INFO L87 Difference]: Start difference. First operand 102 states and 105 transitions. Second operand 8 states. [2020-09-24 19:23:30,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:23:30,996 INFO L93 Difference]: Finished difference Result 104 states and 107 transitions. [2020-09-24 19:23:30,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 19:23:30,997 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2020-09-24 19:23:30,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:23:30,998 INFO L225 Difference]: With dead ends: 104 [2020-09-24 19:23:30,998 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 19:23:31,002 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-09-24 19:23:31,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 19:23:31,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 19:23:31,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 19:23:31,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 19:23:31,003 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2020-09-24 19:23:31,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:23:31,004 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 19:23:31,004 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 19:23:31,004 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 19:23:31,004 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 19:23:31,004 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 19:23:31,007 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 19:23:31,564 INFO L268 CegarLoopResult]: For program point ibmphp_find_same_bus_numEXIT(lines 54 56) no Hoare annotation was computed. [2020-09-24 19:23:31,564 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-24 19:23:31,565 INFO L268 CegarLoopResult]: For program point L55-1(line 55) no Hoare annotation was computed. [2020-09-24 19:23:31,565 INFO L264 CegarLoopResult]: At program point ibmphp_find_same_bus_numENTRY(lines 54 56) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|)) (= ~tmp_slot~0.base 0)) [2020-09-24 19:23:31,565 INFO L268 CegarLoopResult]: For program point ibmphp_find_same_bus_numFINAL(lines 54 56) no Hoare annotation was computed. [2020-09-24 19:23:31,565 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-09-24 19:23:31,566 INFO L268 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-09-24 19:23:31,566 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-24 19:23:31,566 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |old(#NULL.base)| |#NULL.base|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-09-24 19:23:31,566 INFO L268 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-09-24 19:23:31,566 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-09-24 19:23:31,566 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-09-24 19:23:31,567 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-24 19:23:31,568 INFO L268 CegarLoopResult]: For program point L49(lines 49 50) no Hoare annotation was computed. [2020-09-24 19:23:31,568 INFO L268 CegarLoopResult]: For program point kfreeEXIT(lines 48 51) no Hoare annotation was computed. [2020-09-24 19:23:31,568 INFO L268 CegarLoopResult]: For program point L49-2(lines 48 51) no Hoare annotation was computed. [2020-09-24 19:23:31,569 INFO L264 CegarLoopResult]: At program point kfreeENTRY(lines 48 51) the Hoare annotation is: (or (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (not (<= 1 ~used_tmp_slot~0)) (= ~tmp_slot~0.base 0)) [2020-09-24 19:23:31,569 INFO L268 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-09-24 19:23:31,569 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-09-24 19:23:31,569 INFO L268 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-09-24 19:23:31,569 INFO L264 CegarLoopResult]: At program point L46-2(line 46) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (not (= |kzalloc_#t~malloc0.base| 0))) [2020-09-24 19:23:31,569 INFO L268 CegarLoopResult]: For program point L46-3(line 46) no Hoare annotation was computed. [2020-09-24 19:23:31,570 INFO L268 CegarLoopResult]: For program point kzallocEXIT(line 46) no Hoare annotation was computed. [2020-09-24 19:23:31,570 INFO L264 CegarLoopResult]: At program point kzallocENTRY(line 46) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|)) [2020-09-24 19:23:31,570 INFO L268 CegarLoopResult]: For program point kzallocFINAL(line 46) no Hoare annotation was computed. [2020-09-24 19:23:31,570 INFO L268 CegarLoopResult]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2020-09-24 19:23:31,571 INFO L268 CegarLoopResult]: For program point __blast_assertEXIT(lines 4 7) no Hoare annotation was computed. [2020-09-24 19:23:31,572 INFO L268 CegarLoopResult]: For program point __blast_assertFINAL(lines 4 7) no Hoare annotation was computed. [2020-09-24 19:23:31,572 INFO L271 CegarLoopResult]: At program point __blast_assertENTRY(lines 4 7) the Hoare annotation is: true [2020-09-24 19:23:31,572 INFO L271 CegarLoopResult]: At program point ibmphp_init_devnoENTRY(lines 65 68) the Hoare annotation is: true [2020-09-24 19:23:31,572 INFO L268 CegarLoopResult]: For program point L67-2(line 67) no Hoare annotation was computed. [2020-09-24 19:23:31,572 INFO L268 CegarLoopResult]: For program point ibmphp_init_devnoFINAL(lines 65 68) no Hoare annotation was computed. [2020-09-24 19:23:31,572 INFO L268 CegarLoopResult]: For program point ibmphp_init_devnoEXIT(lines 65 68) no Hoare annotation was computed. [2020-09-24 19:23:31,573 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-24 19:23:31,573 INFO L268 CegarLoopResult]: For program point L67-1(line 67) no Hoare annotation was computed. [2020-09-24 19:23:31,573 INFO L268 CegarLoopResult]: For program point L97(lines 97 105) no Hoare annotation was computed. [2020-09-24 19:23:31,573 INFO L268 CegarLoopResult]: For program point ebda_rsrc_controllerEXIT(lines 70 131) no Hoare annotation was computed. [2020-09-24 19:23:31,573 INFO L264 CegarLoopResult]: At program point L126(lines 70 131) the Hoare annotation is: (and (not (= ~tmp_slot~0.base 0)) (<= 1 ~used_tmp_slot~0) (or (<= (+ ebda_rsrc_controller_~hp_slot_ptr~0.base 1) 0) (<= 1 ebda_rsrc_controller_~hp_slot_ptr~0.base))) [2020-09-24 19:23:31,574 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-09-24 19:23:31,574 INFO L268 CegarLoopResult]: For program point L93-1(line 93) no Hoare annotation was computed. [2020-09-24 19:23:31,574 INFO L268 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-09-24 19:23:31,574 INFO L264 CegarLoopResult]: At program point L118(line 118) the Hoare annotation is: (and (not (= ~tmp_slot~0.base 0)) (<= 1 ~used_tmp_slot~0) (or (<= (+ ebda_rsrc_controller_~hp_slot_ptr~0.base 1) 0) (<= 1 ebda_rsrc_controller_~hp_slot_ptr~0.base))) [2020-09-24 19:23:31,574 INFO L268 CegarLoopResult]: For program point L85(lines 85 88) no Hoare annotation was computed. [2020-09-24 19:23:31,574 INFO L268 CegarLoopResult]: For program point L118-1(line 118) no Hoare annotation was computed. [2020-09-24 19:23:31,574 INFO L268 CegarLoopResult]: For program point L118-2(line 118) no Hoare annotation was computed. [2020-09-24 19:23:31,575 INFO L268 CegarLoopResult]: For program point L118-3(line 118) no Hoare annotation was computed. [2020-09-24 19:23:31,575 INFO L264 CegarLoopResult]: At program point L114(line 114) the Hoare annotation is: (and (not (= ~tmp_slot~0.base 0)) (<= 1 ~used_tmp_slot~0) (or (<= (+ ebda_rsrc_controller_~hp_slot_ptr~0.base 1) 0) (<= 1 ebda_rsrc_controller_~hp_slot_ptr~0.base))) [2020-09-24 19:23:31,575 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-09-24 19:23:31,575 INFO L268 CegarLoopResult]: For program point L114-1(line 114) no Hoare annotation was computed. [2020-09-24 19:23:31,576 INFO L264 CegarLoopResult]: At program point L81-1(line 81) the Hoare annotation is: (and (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|) (or (<= (+ ebda_rsrc_controller_~hp_slot_ptr~0.base 1) 0) (<= 1 ebda_rsrc_controller_~hp_slot_ptr~0.base))) [2020-09-24 19:23:31,576 INFO L268 CegarLoopResult]: For program point L114-2(line 114) no Hoare annotation was computed. [2020-09-24 19:23:31,576 INFO L268 CegarLoopResult]: For program point L114-3(line 114) no Hoare annotation was computed. [2020-09-24 19:23:31,576 INFO L268 CegarLoopResult]: For program point L77(lines 77 80) no Hoare annotation was computed. [2020-09-24 19:23:31,576 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-09-24 19:23:31,577 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-09-24 19:23:31,577 INFO L268 CegarLoopResult]: For program point L106-1(line 106) no Hoare annotation was computed. [2020-09-24 19:23:31,577 INFO L268 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-09-24 19:23:31,577 INFO L264 CegarLoopResult]: At program point L94(line 94) the Hoare annotation is: (and (not (= ~tmp_slot~0.base 0)) (or (<= (+ ebda_rsrc_controller_~hp_slot_ptr~0.base 1) 0) (<= 1 ebda_rsrc_controller_~hp_slot_ptr~0.base))) [2020-09-24 19:23:31,577 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-09-24 19:23:31,577 INFO L268 CegarLoopResult]: For program point L119(lines 119 120) no Hoare annotation was computed. [2020-09-24 19:23:31,577 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-09-24 19:23:31,578 INFO L268 CegarLoopResult]: For program point L115(lines 115 116) no Hoare annotation was computed. [2020-09-24 19:23:31,578 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-09-24 19:23:31,578 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-09-24 19:23:31,578 INFO L268 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-09-24 19:23:31,580 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-24 19:23:31,580 INFO L264 CegarLoopResult]: At program point L120(lines 70 131) the Hoare annotation is: (and (not (= ~tmp_slot~0.base 0)) (<= 1 ~used_tmp_slot~0) (or (<= (+ ebda_rsrc_controller_~hp_slot_ptr~0.base 1) 0) (<= 1 ebda_rsrc_controller_~hp_slot_ptr~0.base))) [2020-09-24 19:23:31,581 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-09-24 19:23:31,581 INFO L268 CegarLoopResult]: For program point L83-1(line 83) no Hoare annotation was computed. [2020-09-24 19:23:31,581 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-09-24 19:23:31,581 INFO L268 CegarLoopResult]: For program point L96-1(line 96) no Hoare annotation was computed. [2020-09-24 19:23:31,582 INFO L264 CegarLoopResult]: At program point ebda_rsrc_controllerENTRY(lines 70 131) the Hoare annotation is: (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-09-24 19:23:31,582 INFO L264 CegarLoopResult]: At program point L125(line 125) the Hoare annotation is: (and (not (= ~tmp_slot~0.base 0)) (<= 1 ~used_tmp_slot~0) (or (<= (+ ebda_rsrc_controller_~hp_slot_ptr~0.base 1) 0) (<= 1 ebda_rsrc_controller_~hp_slot_ptr~0.base))) [2020-09-24 19:23:31,582 INFO L268 CegarLoopResult]: For program point ebda_rsrc_controllerFINAL(lines 70 131) no Hoare annotation was computed. [2020-09-24 19:23:31,582 INFO L268 CegarLoopResult]: For program point L125-1(line 125) no Hoare annotation was computed. [2020-09-24 19:23:31,582 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-24 19:23:31,582 INFO L264 CegarLoopResult]: At program point L76(line 76) the Hoare annotation is: (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-09-24 19:23:31,583 INFO L268 CegarLoopResult]: For program point L109-1(line 109) no Hoare annotation was computed. [2020-09-24 19:23:31,583 INFO L268 CegarLoopResult]: For program point L76-1(line 76) no Hoare annotation was computed. [2020-09-24 19:23:31,583 INFO L268 CegarLoopResult]: For program point L76-2(line 76) no Hoare annotation was computed. [2020-09-24 19:23:31,583 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-24 19:23:31,583 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-24 19:23:31,583 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-24 19:23:31,584 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-24 19:23:31,584 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 133 137) the Hoare annotation is: (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-09-24 19:23:31,584 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 133 137) no Hoare annotation was computed. [2020-09-24 19:23:31,584 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-24 19:23:31,584 INFO L268 CegarLoopResult]: For program point L135(lines 135 136) no Hoare annotation was computed. [2020-09-24 19:23:31,585 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-09-24 19:23:31,585 INFO L264 CegarLoopResult]: At program point L136-2(line 136) the Hoare annotation is: false [2020-09-24 19:23:31,585 INFO L268 CegarLoopResult]: For program point L135-1(lines 133 137) no Hoare annotation was computed. [2020-09-24 19:23:31,586 INFO L268 CegarLoopResult]: For program point L134-1(line 134) no Hoare annotation was computed. [2020-09-24 19:23:31,586 INFO L271 CegarLoopResult]: At program point fillslotinfoENTRY(lines 60 63) the Hoare annotation is: true [2020-09-24 19:23:31,586 INFO L268 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-09-24 19:23:31,586 INFO L268 CegarLoopResult]: For program point L62-1(line 62) no Hoare annotation was computed. [2020-09-24 19:23:31,586 INFO L268 CegarLoopResult]: For program point L62-2(line 62) no Hoare annotation was computed. [2020-09-24 19:23:31,586 INFO L268 CegarLoopResult]: For program point fillslotinfoEXIT(lines 60 63) no Hoare annotation was computed. [2020-09-24 19:23:31,587 INFO L268 CegarLoopResult]: For program point fillslotinfoFINAL(lines 60 63) no Hoare annotation was computed. [2020-09-24 19:23:31,587 INFO L264 CegarLoopResult]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: (= |#memory_int| |old(#memory_int)|) [2020-09-24 19:23:31,587 INFO L268 CegarLoopResult]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2020-09-24 19:23:31,587 INFO L268 CegarLoopResult]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2020-09-24 19:23:31,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 07:23:31 BoogieIcfgContainer [2020-09-24 19:23:31,615 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 19:23:31,619 INFO L168 Benchmark]: Toolchain (without parser) took 11851.57 ms. Allocated memory was 141.6 MB in the beginning and 314.6 MB in the end (delta: 173.0 MB). Free memory was 104.4 MB in the beginning and 251.1 MB in the end (delta: -146.7 MB). Peak memory consumption was 156.5 MB. Max. memory is 7.1 GB. [2020-09-24 19:23:31,621 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-24 19:23:31,623 INFO L168 Benchmark]: CACSL2BoogieTranslator took 503.07 ms. Allocated memory was 141.6 MB in the beginning and 205.0 MB in the end (delta: 63.4 MB). Free memory was 103.8 MB in the beginning and 183.0 MB in the end (delta: -79.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2020-09-24 19:23:31,628 INFO L168 Benchmark]: Boogie Preprocessor took 101.63 ms. Allocated memory is still 205.0 MB. Free memory was 183.0 MB in the beginning and 180.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-09-24 19:23:31,629 INFO L168 Benchmark]: RCFGBuilder took 561.45 ms. Allocated memory is still 205.0 MB. Free memory was 180.2 MB in the beginning and 154.1 MB in the end (delta: 26.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2020-09-24 19:23:31,630 INFO L168 Benchmark]: TraceAbstraction took 10676.92 ms. Allocated memory was 205.0 MB in the beginning and 314.6 MB in the end (delta: 109.6 MB). Free memory was 154.1 MB in the beginning and 251.1 MB in the end (delta: -97.0 MB). Peak memory consumption was 142.8 MB. Max. memory is 7.1 GB. [2020-09-24 19:23:31,645 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 503.07 ms. Allocated memory was 141.6 MB in the beginning and 205.0 MB in the end (delta: 63.4 MB). Free memory was 103.8 MB in the beginning and 183.0 MB in the end (delta: -79.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.63 ms. Allocated memory is still 205.0 MB. Free memory was 183.0 MB in the beginning and 180.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 561.45 ms. Allocated memory is still 205.0 MB. Free memory was 180.2 MB in the beginning and 154.1 MB in the end (delta: 26.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10676.92 ms. Allocated memory was 205.0 MB in the beginning and 314.6 MB in the end (delta: 109.6 MB). Free memory was 154.1 MB in the beginning and 251.1 MB in the end (delta: -97.0 MB). Peak memory consumption was 142.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: 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: 70]: Loop Invariant Derived loop invariant: (!(tmp_slot == 0) && 1 <= used_tmp_slot) && (hp_slot_ptr + 1 <= 0 || 1 <= hp_slot_ptr) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (!(tmp_slot == 0) && 1 <= used_tmp_slot) && (hp_slot_ptr + 1 <= 0 || 1 <= hp_slot_ptr) - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 101 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.9s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 341 SDtfs, 451 SDslu, 1053 SDs, 0 SdLazy, 1118 SolverSat, 156 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 31 PreInvPairs, 34 NumberOfFragments, 270 HoareAnnotationTreeSize, 31 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 22 FomulaSimplificationsInter, 371 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 7.1s InterpolantComputationTime, 272 NumberOfCodeBlocks, 272 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 268 ConstructedInterpolants, 0 QuantifiedInterpolants, 51383 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 70/70 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...