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 -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec4_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:41:37,589 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:41:37,592 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:41:37,611 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:41:37,611 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:41:37,613 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:41:37,615 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:41:37,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:41:37,630 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:41:37,631 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:41:37,632 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:41:37,633 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:41:37,634 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:41:37,635 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:41:37,636 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:41:37,637 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:41:37,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:41:37,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:41:37,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:41:37,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:41:37,643 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:41:37,644 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:41:37,645 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:41:37,645 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:41:37,648 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:41:37,648 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:41:37,648 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:41:37,649 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:41:37,649 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:41:37,650 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:41:37,650 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:41:37,651 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:41:37,652 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:41:37,653 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:41:37,654 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:41:37,654 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:41:37,654 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:41:37,655 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:41:37,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:41:37,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:41:37,656 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:41:37,657 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 02:41:37,672 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:41:37,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:41:37,672 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:41:37,673 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:41:37,673 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:41:37,673 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:41:37,674 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:41:37,674 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:41:37,674 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:41:37,674 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:41:37,675 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:41:37,675 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:41:37,675 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:41:37,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:41:37,676 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:41:37,676 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:41:37,676 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:41:37,676 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:41:37,676 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:41:37,677 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:41:37,677 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:41:37,677 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:41:37,677 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:41:37,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:41:37,678 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:41:37,678 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:41:37,678 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:41:37,678 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:41:37,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:41:37,679 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:41:37,712 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:41:37,725 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:41:37,728 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:41:37,730 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:41:37,730 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:41:37,731 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec4_product33.cil.c [2019-09-10 02:41:37,811 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cbf078b9/b38ead467a07405d9808542aa1b68730/FLAG27a333ab3 [2019-09-10 02:41:38,489 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:41:38,490 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec4_product33.cil.c [2019-09-10 02:41:38,532 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cbf078b9/b38ead467a07405d9808542aa1b68730/FLAG27a333ab3 [2019-09-10 02:41:38,757 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cbf078b9/b38ead467a07405d9808542aa1b68730 [2019-09-10 02:41:38,768 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:41:38,769 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:41:38,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:41:38,770 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:41:38,774 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:41:38,775 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:41:38" (1/1) ... [2019-09-10 02:41:38,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ad8ebc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:38, skipping insertion in model container [2019-09-10 02:41:38,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:41:38" (1/1) ... [2019-09-10 02:41:38,785 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:41:38,851 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:41:39,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:41:39,626 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:41:39,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:41:39,869 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:41:39,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:39 WrapperNode [2019-09-10 02:41:39,870 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:41:39,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:41:39,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:41:39,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:41:39,886 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:39" (1/1) ... [2019-09-10 02:41:39,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:39" (1/1) ... [2019-09-10 02:41:39,941 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:39" (1/1) ... [2019-09-10 02:41:39,942 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:39" (1/1) ... [2019-09-10 02:41:40,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:39" (1/1) ... [2019-09-10 02:41:40,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:39" (1/1) ... [2019-09-10 02:41:40,089 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:39" (1/1) ... [2019-09-10 02:41:40,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:41:40,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:41:40,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:41:40,128 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:41:40,130 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2019-09-10 02:41:40,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:41:40,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:41:40,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:41:40,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:41:40,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:41:40,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:41:40,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:41:40,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:41:40,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:41:40,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:41:40,212 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-09-10 02:41:40,213 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-09-10 02:41:40,213 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-09-10 02:41:40,213 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-09-10 02:41:40,213 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-09-10 02:41:40,213 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-09-10 02:41:40,214 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-09-10 02:41:40,214 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-09-10 02:41:40,214 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:41:40,214 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:41:40,215 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-09-10 02:41:40,215 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-09-10 02:41:40,215 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-09-10 02:41:40,215 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-09-10 02:41:40,215 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-09-10 02:41:40,216 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-09-10 02:41:40,217 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-09-10 02:41:40,217 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-09-10 02:41:40,217 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-09-10 02:41:40,217 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-09-10 02:41:40,218 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-09-10 02:41:40,218 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:41:40,218 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:41:40,218 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:41:40,218 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:41:40,218 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:41:40,218 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-09-10 02:41:40,218 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-09-10 02:41:40,219 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-09-10 02:41:40,219 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-09-10 02:41:40,219 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-09-10 02:41:40,219 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-09-10 02:41:40,219 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-09-10 02:41:40,219 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-09-10 02:41:40,220 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-09-10 02:41:40,220 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-09-10 02:41:40,220 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-09-10 02:41:40,220 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-09-10 02:41:40,220 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-09-10 02:41:40,220 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-09-10 02:41:40,221 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-09-10 02:41:40,221 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-09-10 02:41:40,221 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-09-10 02:41:40,221 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-09-10 02:41:40,221 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-09-10 02:41:40,222 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-09-10 02:41:40,222 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-09-10 02:41:40,222 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-09-10 02:41:40,222 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-09-10 02:41:40,223 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-09-10 02:41:40,223 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-09-10 02:41:40,223 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-09-10 02:41:40,223 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-09-10 02:41:40,224 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-09-10 02:41:40,224 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-09-10 02:41:40,224 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-09-10 02:41:40,224 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-09-10 02:41:40,225 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-09-10 02:41:40,225 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-09-10 02:41:40,225 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-09-10 02:41:40,225 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-09-10 02:41:40,225 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-09-10 02:41:40,225 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-09-10 02:41:40,226 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-09-10 02:41:40,226 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-09-10 02:41:40,226 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-09-10 02:41:40,226 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-09-10 02:41:40,226 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-09-10 02:41:40,227 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-09-10 02:41:40,227 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-09-10 02:41:40,227 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-09-10 02:41:40,227 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-09-10 02:41:40,227 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-09-10 02:41:40,227 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-09-10 02:41:40,228 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-09-10 02:41:40,228 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-09-10 02:41:40,228 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-09-10 02:41:40,228 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-09-10 02:41:40,228 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-09-10 02:41:40,228 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-09-10 02:41:40,228 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-09-10 02:41:40,229 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-09-10 02:41:40,229 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-09-10 02:41:40,229 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-09-10 02:41:40,229 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-09-10 02:41:40,229 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-09-10 02:41:40,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignForward_spec__1 [2019-09-10 02:41:40,230 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-09-10 02:41:40,230 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-09-10 02:41:40,230 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-09-10 02:41:40,230 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-09-10 02:41:40,231 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-09-10 02:41:40,231 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-09-10 02:41:40,231 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-09-10 02:41:40,231 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-09-10 02:41:40,232 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-09-10 02:41:40,232 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-09-10 02:41:40,232 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-09-10 02:41:40,232 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-09-10 02:41:40,232 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-09-10 02:41:40,233 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-09-10 02:41:40,233 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-09-10 02:41:40,233 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-09-10 02:41:40,233 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-09-10 02:41:40,233 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-09-10 02:41:40,234 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-09-10 02:41:40,234 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-09-10 02:41:40,234 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-09-10 02:41:40,234 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:41:40,234 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:41:40,235 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:41:40,235 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:41:40,235 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:41:40,235 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:41:40,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:41:40,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:41:40,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:41:40,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:41:40,236 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:41:40,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:41:40,236 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:41:40,238 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:41:40,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:41:40,239 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:41:40,239 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:41:40,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:41:40,239 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:41:40,240 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:41:40,241 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:41:40,245 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-10 02:41:40,245 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-09-10 02:41:40,246 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-09-10 02:41:40,247 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-09-10 02:41:40,254 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-09-10 02:41:40,254 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-09-10 02:41:40,255 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-09-10 02:41:40,255 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-09-10 02:41:40,255 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-09-10 02:41:40,255 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-09-10 02:41:40,255 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:41:40,256 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:41:40,256 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:41:40,256 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-09-10 02:41:40,257 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-09-10 02:41:40,257 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-09-10 02:41:40,257 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-09-10 02:41:40,257 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-09-10 02:41:40,258 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-09-10 02:41:40,258 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-09-10 02:41:40,258 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-09-10 02:41:40,258 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-09-10 02:41:40,258 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-09-10 02:41:40,258 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-09-10 02:41:40,259 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:41:40,259 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:41:40,259 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:41:40,259 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-09-10 02:41:40,259 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-09-10 02:41:40,259 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-09-10 02:41:40,260 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-09-10 02:41:40,260 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-09-10 02:41:40,260 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-09-10 02:41:40,260 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-09-10 02:41:40,260 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-09-10 02:41:40,261 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-09-10 02:41:40,261 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-09-10 02:41:40,261 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-09-10 02:41:40,261 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-09-10 02:41:40,261 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-09-10 02:41:40,261 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-09-10 02:41:40,262 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:41:40,262 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-09-10 02:41:40,262 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-09-10 02:41:40,262 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-09-10 02:41:40,262 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-09-10 02:41:40,263 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-09-10 02:41:40,263 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-09-10 02:41:40,263 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-09-10 02:41:40,263 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-09-10 02:41:40,263 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-09-10 02:41:40,263 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-09-10 02:41:40,264 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-09-10 02:41:40,264 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-09-10 02:41:40,264 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-09-10 02:41:40,264 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-09-10 02:41:40,264 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-09-10 02:41:40,264 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-09-10 02:41:40,265 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-09-10 02:41:40,265 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-09-10 02:41:40,265 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-09-10 02:41:40,265 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-09-10 02:41:40,265 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-09-10 02:41:40,265 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-09-10 02:41:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-09-10 02:41:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-09-10 02:41:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-09-10 02:41:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-09-10 02:41:40,267 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-09-10 02:41:40,269 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-09-10 02:41:40,269 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-09-10 02:41:40,269 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-09-10 02:41:40,269 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-09-10 02:41:40,270 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-09-10 02:41:40,270 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignForward_spec__1 [2019-09-10 02:41:40,270 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-09-10 02:41:40,270 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-09-10 02:41:40,270 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-09-10 02:41:40,271 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-09-10 02:41:40,271 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-09-10 02:41:40,271 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-09-10 02:41:40,271 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-09-10 02:41:40,272 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-09-10 02:41:40,272 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-09-10 02:41:40,272 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-09-10 02:41:40,272 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-09-10 02:41:40,273 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-09-10 02:41:40,273 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-09-10 02:41:40,273 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-09-10 02:41:40,273 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-09-10 02:41:40,274 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-09-10 02:41:40,274 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-09-10 02:41:40,274 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-09-10 02:41:40,274 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-09-10 02:41:40,275 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-09-10 02:41:40,275 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-09-10 02:41:40,275 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-09-10 02:41:40,275 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-09-10 02:41:40,276 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-09-10 02:41:40,276 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-09-10 02:41:40,276 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-09-10 02:41:40,276 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-09-10 02:41:40,277 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-09-10 02:41:40,277 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-09-10 02:41:40,277 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-09-10 02:41:40,277 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-09-10 02:41:40,277 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-09-10 02:41:40,278 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-09-10 02:41:40,278 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-09-10 02:41:40,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:41:40,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:41:40,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:41:42,736 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:41:42,736 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-10 02:41:42,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:41:42 BoogieIcfgContainer [2019-09-10 02:41:42,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:41:42,739 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:41:42,740 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:41:42,743 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:41:42,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:41:38" (1/3) ... [2019-09-10 02:41:42,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@397e62ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:41:42, skipping insertion in model container [2019-09-10 02:41:42,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:39" (2/3) ... [2019-09-10 02:41:42,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@397e62ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:41:42, skipping insertion in model container [2019-09-10 02:41:42,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:41:42" (3/3) ... [2019-09-10 02:41:42,746 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec4_product33.cil.c [2019-09-10 02:41:42,757 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:41:42,766 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:41:42,784 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:41:42,812 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:41:42,812 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:41:42,812 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:41:42,812 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:41:42,813 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:41:42,813 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:41:42,813 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:41:42,813 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:41:42,851 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states. [2019-09-10 02:41:42,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-09-10 02:41:42,890 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:42,892 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:41:42,896 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:42,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:42,902 INFO L82 PathProgramCache]: Analyzing trace with hash -1597170516, now seen corresponding path program 1 times [2019-09-10 02:41:42,905 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:42,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:42,958 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:41:42,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:42,958 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:43,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:43,580 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-09-10 02:41:43,583 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:41:43,583 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:41:43,583 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:43,591 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:41:43,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:41:43,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:41:43,610 INFO L87 Difference]: Start difference. First operand 590 states. Second operand 2 states. [2019-09-10 02:41:43,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:43,676 INFO L93 Difference]: Finished difference Result 576 states and 760 transitions. [2019-09-10 02:41:43,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:41:43,677 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 164 [2019-09-10 02:41:43,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:43,703 INFO L225 Difference]: With dead ends: 576 [2019-09-10 02:41:43,703 INFO L226 Difference]: Without dead ends: 567 [2019-09-10 02:41:43,705 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:41:43,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2019-09-10 02:41:43,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 567. [2019-09-10 02:41:43,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 567 states. [2019-09-10 02:41:43,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 749 transitions. [2019-09-10 02:41:43,828 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 749 transitions. Word has length 164 [2019-09-10 02:41:43,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:43,830 INFO L475 AbstractCegarLoop]: Abstraction has 567 states and 749 transitions. [2019-09-10 02:41:43,830 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:41:43,831 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 749 transitions. [2019-09-10 02:41:43,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-09-10 02:41:43,839 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:43,839 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:41:43,841 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:43,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:43,843 INFO L82 PathProgramCache]: Analyzing trace with hash -1060723953, now seen corresponding path program 1 times [2019-09-10 02:41:43,843 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:43,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:43,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:41:43,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:43,847 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:43,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:44,119 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-09-10 02:41:44,119 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:41:44,120 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:41:44,120 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:44,122 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:41:44,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:41:44,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:41:44,123 INFO L87 Difference]: Start difference. First operand 567 states and 749 transitions. Second operand 3 states. [2019-09-10 02:41:44,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:44,164 INFO L93 Difference]: Finished difference Result 570 states and 752 transitions. [2019-09-10 02:41:44,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:41:44,165 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2019-09-10 02:41:44,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:44,171 INFO L225 Difference]: With dead ends: 570 [2019-09-10 02:41:44,171 INFO L226 Difference]: Without dead ends: 570 [2019-09-10 02:41:44,172 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:41:44,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2019-09-10 02:41:44,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 569. [2019-09-10 02:41:44,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 569 states. [2019-09-10 02:41:44,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 751 transitions. [2019-09-10 02:41:44,203 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 751 transitions. Word has length 165 [2019-09-10 02:41:44,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:44,204 INFO L475 AbstractCegarLoop]: Abstraction has 569 states and 751 transitions. [2019-09-10 02:41:44,204 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:41:44,204 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 751 transitions. [2019-09-10 02:41:44,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-09-10 02:41:44,207 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:44,208 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:41:44,208 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:44,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:44,208 INFO L82 PathProgramCache]: Analyzing trace with hash 1599570176, now seen corresponding path program 1 times [2019-09-10 02:41:44,209 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:44,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:44,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:41:44,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:44,210 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:44,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:44,456 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-09-10 02:41:44,456 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:41:44,457 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:41:44,457 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:44,458 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:41:44,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:41:44,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:41:44,458 INFO L87 Difference]: Start difference. First operand 569 states and 751 transitions. Second operand 3 states. [2019-09-10 02:41:44,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:44,498 INFO L93 Difference]: Finished difference Result 612 states and 824 transitions. [2019-09-10 02:41:44,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:41:44,499 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 177 [2019-09-10 02:41:44,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:44,508 INFO L225 Difference]: With dead ends: 612 [2019-09-10 02:41:44,508 INFO L226 Difference]: Without dead ends: 612 [2019-09-10 02:41:44,509 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:41:44,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2019-09-10 02:41:44,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 611. [2019-09-10 02:41:44,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 611 states. [2019-09-10 02:41:44,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 823 transitions. [2019-09-10 02:41:44,555 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 823 transitions. Word has length 177 [2019-09-10 02:41:44,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:44,556 INFO L475 AbstractCegarLoop]: Abstraction has 611 states and 823 transitions. [2019-09-10 02:41:44,556 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:41:44,556 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 823 transitions. [2019-09-10 02:41:44,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-09-10 02:41:44,564 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:44,564 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:41:44,564 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:44,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:44,565 INFO L82 PathProgramCache]: Analyzing trace with hash 161290847, now seen corresponding path program 1 times [2019-09-10 02:41:44,565 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:44,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:44,566 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:41:44,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:44,566 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:44,744 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-09-10 02:41:44,745 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:41:44,745 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:41:44,745 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:44,746 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:41:44,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:41:44,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:41:44,746 INFO L87 Difference]: Start difference. First operand 611 states and 823 transitions. Second operand 3 states. [2019-09-10 02:41:44,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:44,770 INFO L93 Difference]: Finished difference Result 693 states and 962 transitions. [2019-09-10 02:41:44,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:41:44,770 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 178 [2019-09-10 02:41:44,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:44,777 INFO L225 Difference]: With dead ends: 693 [2019-09-10 02:41:44,777 INFO L226 Difference]: Without dead ends: 693 [2019-09-10 02:41:44,777 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:41:44,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2019-09-10 02:41:44,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 692. [2019-09-10 02:41:44,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 692 states. [2019-09-10 02:41:44,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 961 transitions. [2019-09-10 02:41:44,805 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 961 transitions. Word has length 178 [2019-09-10 02:41:44,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:44,806 INFO L475 AbstractCegarLoop]: Abstraction has 692 states and 961 transitions. [2019-09-10 02:41:44,806 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:41:44,807 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 961 transitions. [2019-09-10 02:41:44,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-09-10 02:41:44,811 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:44,811 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:41:44,812 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:44,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:44,812 INFO L82 PathProgramCache]: Analyzing trace with hash -1626643826, now seen corresponding path program 1 times [2019-09-10 02:41:44,812 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:44,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:44,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:41:44,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:44,814 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:44,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:45,052 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-09-10 02:41:45,053 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:41:45,053 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 02:41:45,053 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:45,054 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 02:41:45,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 02:41:45,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-10 02:41:45,055 INFO L87 Difference]: Start difference. First operand 692 states and 961 transitions. Second operand 7 states. [2019-09-10 02:41:48,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:48,923 INFO L93 Difference]: Finished difference Result 1021 states and 1382 transitions. [2019-09-10 02:41:48,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-10 02:41:48,924 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 181 [2019-09-10 02:41:48,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:48,931 INFO L225 Difference]: With dead ends: 1021 [2019-09-10 02:41:48,931 INFO L226 Difference]: Without dead ends: 1019 [2019-09-10 02:41:48,932 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-09-10 02:41:48,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1019 states. [2019-09-10 02:41:48,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1019 to 1010. [2019-09-10 02:41:48,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1010 states. [2019-09-10 02:41:48,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 1010 states and 1370 transitions. [2019-09-10 02:41:48,970 INFO L78 Accepts]: Start accepts. Automaton has 1010 states and 1370 transitions. Word has length 181 [2019-09-10 02:41:48,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:48,970 INFO L475 AbstractCegarLoop]: Abstraction has 1010 states and 1370 transitions. [2019-09-10 02:41:48,971 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 02:41:48,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 1370 transitions. [2019-09-10 02:41:48,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-09-10 02:41:48,975 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:48,975 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:41:48,975 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:48,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:48,976 INFO L82 PathProgramCache]: Analyzing trace with hash 475123241, now seen corresponding path program 1 times [2019-09-10 02:41:48,976 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:48,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:48,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:41:48,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:48,978 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:49,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:49,274 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-09-10 02:41:49,274 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:41:49,274 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2019-09-10 02:41:49,274 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:49,276 INFO L454 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-09-10 02:41:49,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-09-10 02:41:49,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2019-09-10 02:41:49,276 INFO L87 Difference]: Start difference. First operand 1010 states and 1370 transitions. Second operand 18 states. [2019-09-10 02:41:49,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:49,703 INFO L93 Difference]: Finished difference Result 1090 states and 1477 transitions. [2019-09-10 02:41:49,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-09-10 02:41:49,703 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 182 [2019-09-10 02:41:49,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:49,712 INFO L225 Difference]: With dead ends: 1090 [2019-09-10 02:41:49,712 INFO L226 Difference]: Without dead ends: 1060 [2019-09-10 02:41:49,713 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2019-09-10 02:41:49,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1060 states. [2019-09-10 02:41:49,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1060 to 1056. [2019-09-10 02:41:49,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1056 states. [2019-09-10 02:41:49,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1435 transitions. [2019-09-10 02:41:49,757 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1435 transitions. Word has length 182 [2019-09-10 02:41:49,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:49,759 INFO L475 AbstractCegarLoop]: Abstraction has 1056 states and 1435 transitions. [2019-09-10 02:41:49,759 INFO L476 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-09-10 02:41:49,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1435 transitions. [2019-09-10 02:41:49,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-09-10 02:41:49,764 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:49,765 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:41:49,765 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:49,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:49,766 INFO L82 PathProgramCache]: Analyzing trace with hash -264639391, now seen corresponding path program 1 times [2019-09-10 02:41:49,766 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:49,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:49,768 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:41:49,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:49,768 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:49,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:50,034 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-09-10 02:41:50,035 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:41:50,035 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-10 02:41:50,035 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:50,036 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-10 02:41:50,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-10 02:41:50,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-10 02:41:50,037 INFO L87 Difference]: Start difference. First operand 1056 states and 1435 transitions. Second operand 8 states. [2019-09-10 02:41:51,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:51,522 INFO L93 Difference]: Finished difference Result 1768 states and 2366 transitions. [2019-09-10 02:41:51,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-10 02:41:51,522 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 191 [2019-09-10 02:41:51,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:51,534 INFO L225 Difference]: With dead ends: 1768 [2019-09-10 02:41:51,534 INFO L226 Difference]: Without dead ends: 1766 [2019-09-10 02:41:51,534 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-09-10 02:41:51,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1766 states. [2019-09-10 02:41:51,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1766 to 1753. [2019-09-10 02:41:51,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1753 states. [2019-09-10 02:41:51,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1753 states to 1753 states and 2350 transitions. [2019-09-10 02:41:51,599 INFO L78 Accepts]: Start accepts. Automaton has 1753 states and 2350 transitions. Word has length 191 [2019-09-10 02:41:51,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:51,599 INFO L475 AbstractCegarLoop]: Abstraction has 1753 states and 2350 transitions. [2019-09-10 02:41:51,600 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-10 02:41:51,600 INFO L276 IsEmpty]: Start isEmpty. Operand 1753 states and 2350 transitions. [2019-09-10 02:41:51,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-09-10 02:41:51,604 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:51,604 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:41:51,605 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:51,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:51,605 INFO L82 PathProgramCache]: Analyzing trace with hash 339589513, now seen corresponding path program 1 times [2019-09-10 02:41:51,605 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:51,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:51,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:41:51,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:51,607 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:51,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:51,919 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-09-10 02:41:51,919 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:41:51,919 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2019-09-10 02:41:51,919 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:51,920 INFO L454 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-09-10 02:41:51,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-09-10 02:41:51,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2019-09-10 02:41:51,921 INFO L87 Difference]: Start difference. First operand 1753 states and 2350 transitions. Second operand 17 states. [2019-09-10 02:41:52,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:52,727 INFO L93 Difference]: Finished difference Result 1752 states and 2346 transitions. [2019-09-10 02:41:52,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-10 02:41:52,728 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 192 [2019-09-10 02:41:52,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:52,740 INFO L225 Difference]: With dead ends: 1752 [2019-09-10 02:41:52,741 INFO L226 Difference]: Without dead ends: 1752 [2019-09-10 02:41:52,742 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=101, Invalid=829, Unknown=0, NotChecked=0, Total=930 [2019-09-10 02:41:52,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1752 states. [2019-09-10 02:41:52,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1752 to 1751. [2019-09-10 02:41:52,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1751 states. [2019-09-10 02:41:52,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1751 states to 1751 states and 2345 transitions. [2019-09-10 02:41:52,806 INFO L78 Accepts]: Start accepts. Automaton has 1751 states and 2345 transitions. Word has length 192 [2019-09-10 02:41:52,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:52,806 INFO L475 AbstractCegarLoop]: Abstraction has 1751 states and 2345 transitions. [2019-09-10 02:41:52,807 INFO L476 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-09-10 02:41:52,807 INFO L276 IsEmpty]: Start isEmpty. Operand 1751 states and 2345 transitions. [2019-09-10 02:41:52,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-09-10 02:41:52,811 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:52,812 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:41:52,812 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:52,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:52,812 INFO L82 PathProgramCache]: Analyzing trace with hash 985079459, now seen corresponding path program 2 times [2019-09-10 02:41:52,813 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:52,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:52,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:41:52,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:52,814 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:53,015 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-09-10 02:41:53,016 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 02:41:53,016 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 02:41:53,016 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-09-10 02:41:53,018 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-09-10 02:41:53,018 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 02:41:53,018 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-10 02:41:53,047 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-09-10 02:41:53,048 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-09-10 02:41:53,389 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2019-09-10 02:41:53,389 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-10 02:41:53,400 INFO L256 TraceCheckSpWp]: Trace formula consists of 2070 conjuncts, 10 conjunts are in the unsatisfiable core [2019-09-10 02:41:53,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-10 02:41:53,671 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-09-10 02:41:53,671 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-09-10 02:41:54,267 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-09-10 02:41:54,276 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-09-10 02:41:54,277 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [11] total 23 [2019-09-10 02:41:54,277 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:54,277 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-10 02:41:54,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-10 02:41:54,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2019-09-10 02:41:54,278 INFO L87 Difference]: Start difference. First operand 1751 states and 2345 transitions. Second operand 8 states. [2019-09-10 02:41:55,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:55,379 INFO L93 Difference]: Finished difference Result 3460 states and 4660 transitions. [2019-09-10 02:41:55,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-10 02:41:55,380 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 192 [2019-09-10 02:41:55,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:55,403 INFO L225 Difference]: With dead ends: 3460 [2019-09-10 02:41:55,403 INFO L226 Difference]: Without dead ends: 3458 [2019-09-10 02:41:55,404 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 373 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=98, Invalid=714, Unknown=0, NotChecked=0, Total=812 [2019-09-10 02:41:55,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3458 states. [2019-09-10 02:41:55,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3458 to 3449. [2019-09-10 02:41:55,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3449 states. [2019-09-10 02:41:55,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3449 states to 3449 states and 4649 transitions. [2019-09-10 02:41:55,564 INFO L78 Accepts]: Start accepts. Automaton has 3449 states and 4649 transitions. Word has length 192 [2019-09-10 02:41:55,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:55,566 INFO L475 AbstractCegarLoop]: Abstraction has 3449 states and 4649 transitions. [2019-09-10 02:41:55,566 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-10 02:41:55,566 INFO L276 IsEmpty]: Start isEmpty. Operand 3449 states and 4649 transitions. [2019-09-10 02:41:55,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-09-10 02:41:55,576 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:55,577 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:41:55,577 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:55,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:55,578 INFO L82 PathProgramCache]: Analyzing trace with hash 1337107158, now seen corresponding path program 1 times [2019-09-10 02:41:55,578 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:55,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:55,580 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-10 02:41:55,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:55,580 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:55,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:56,072 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-09-10 02:41:56,073 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 02:41:56,073 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 02:41:56,074 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 194 with the following transitions: [2019-09-10 02:41:56,076 INFO L207 CegarAbsIntRunner]: [72], [75], [76], [79], [85], [86], [89], [98], [130], [146], [149], [163], [164], [166], [276], [278], [282], [285], [286], [287], [290], [296], [332], [334], [336], [343], [350], [353], [362], [383], [385], [386], [389], [399], [466], [659], [661], [662], [663], [701], [704], [718], [747], [748], [749], [752], [758], [759], [776], [778], [782], [785], [799], [803], [806], [824], [827], [898], [907], [911], [913], [915], [918], [925], [932], [935], [937], [1073], [1076], [1090], [1147], [1149], [1152], [1154], [1157], [1217], [1289], [1293], [1304], [1307], [1308], [1311], [1314], [1345], [1346], [1348], [1461], [1464], [1466], [1469], [1478], [1484], [1487], [1496], [1550], [1553], [1562], [1685], [1687], [1689], [1691], [1692], [1728], [1738], [1739], [1740], [1741], [1742], [1743], [1746], [1747], [1748], [1749], [1750], [1752], [1753], [1754], [1755], [1768], [1769], [1770], [1771], [1776], [1788], [1789], [1808], [1809], [1834], [1835], [1850], [1856], [1857], [1858], [1859], [1860], [1861], [1862], [1863], [1864], [1865], [1866], [1867], [1868], [1869], [1870], [1872], [1873], [1874], [1875], [1914], [1915], [1932], [1934], [1935], [1936], [1937], [1938], [1940], [1941], [1942], [1944], [1945], [1946], [1947], [1948], [1949], [1950], [1962], [1963], [1964], [1965], [1966], [1967], [1968], [1969], [1970] [2019-09-10 02:41:56,146 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 02:41:56,147 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 02:41:56,343 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 02:41:56,345 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 193 root evaluator evaluations with a maximum evaluation depth of 0. Performed 193 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 376 variables. [2019-09-10 02:41:56,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:56,353 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 02:41:56,516 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 02:41:56,517 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 02:41:56,531 INFO L420 sIntCurrentIteration]: We unified 192 AI predicates to 192 [2019-09-10 02:41:56,531 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 02:41:56,532 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 02:41:56,533 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [11] total 11 [2019-09-10 02:41:56,534 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:56,535 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:41:56,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:41:56,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:41:56,537 INFO L87 Difference]: Start difference. First operand 3449 states and 4649 transitions. Second operand 2 states. [2019-09-10 02:41:56,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:56,538 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 02:41:56,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:41:56,539 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 193 [2019-09-10 02:41:56,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:56,540 INFO L225 Difference]: With dead ends: 2 [2019-09-10 02:41:56,540 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:41:56,540 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:41:56,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:41:56,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:41:56,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:41:56,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:41:56,542 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 193 [2019-09-10 02:41:56,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:56,543 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:41:56,543 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:41:56,543 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:41:56,543 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:41:56,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:41:56 BoogieIcfgContainer [2019-09-10 02:41:56,552 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:41:56,557 INFO L168 Benchmark]: Toolchain (without parser) took 17785.16 ms. Allocated memory was 134.7 MB in the beginning and 522.2 MB in the end (delta: 387.4 MB). Free memory was 87.3 MB in the beginning and 69.0 MB in the end (delta: 18.3 MB). Peak memory consumption was 405.7 MB. Max. memory is 7.1 GB. [2019-09-10 02:41:56,559 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 134.7 MB. Free memory was 109.2 MB in the beginning and 109.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 02:41:56,561 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1100.76 ms. Allocated memory was 134.7 MB in the beginning and 202.4 MB in the end (delta: 67.6 MB). Free memory was 87.0 MB in the beginning and 129.7 MB in the end (delta: -42.6 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. [2019-09-10 02:41:56,562 INFO L168 Benchmark]: Boogie Preprocessor took 255.69 ms. Allocated memory is still 202.4 MB. Free memory was 129.7 MB in the beginning and 120.1 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-09-10 02:41:56,571 INFO L168 Benchmark]: RCFGBuilder took 2611.44 ms. Allocated memory was 202.4 MB in the beginning and 258.5 MB in the end (delta: 56.1 MB). Free memory was 120.1 MB in the beginning and 139.5 MB in the end (delta: -19.4 MB). Peak memory consumption was 78.8 MB. Max. memory is 7.1 GB. [2019-09-10 02:41:56,572 INFO L168 Benchmark]: TraceAbstraction took 13812.98 ms. Allocated memory was 258.5 MB in the beginning and 522.2 MB in the end (delta: 263.7 MB). Free memory was 139.5 MB in the beginning and 69.0 MB in the end (delta: 70.6 MB). Peak memory consumption was 334.3 MB. Max. memory is 7.1 GB. [2019-09-10 02:41:56,577 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 134.7 MB. Free memory was 109.2 MB in the beginning and 109.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1100.76 ms. Allocated memory was 134.7 MB in the beginning and 202.4 MB in the end (delta: 67.6 MB). Free memory was 87.0 MB in the beginning and 129.7 MB in the end (delta: -42.6 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 255.69 ms. Allocated memory is still 202.4 MB. Free memory was 129.7 MB in the beginning and 120.1 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2611.44 ms. Allocated memory was 202.4 MB in the beginning and 258.5 MB in the end (delta: 56.1 MB). Free memory was 120.1 MB in the beginning and 139.5 MB in the end (delta: -19.4 MB). Peak memory consumption was 78.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13812.98 ms. Allocated memory was 258.5 MB in the beginning and 522.2 MB in the end (delta: 263.7 MB). Free memory was 139.5 MB in the beginning and 69.0 MB in the end (delta: 70.6 MB). Peak memory consumption was 334.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 409]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 118 procedures, 812 locations, 1 error locations. SAFE Result, 13.7s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 8.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7119 SDtfs, 2964 SDslu, 34124 SDs, 0 SdLazy, 4987 SolverSat, 572 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 696 GetRequests, 590 SyntacticMatches, 2 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3449occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.140625 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 39 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 2007 NumberOfCodeBlocks, 1891 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2187 ConstructedInterpolants, 0 QuantifiedInterpolants, 581238 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2070 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 394/400 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...