/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/email_spec0_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 18:35:21,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 18:35:21,140 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 18:35:21,178 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 18:35:21,178 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 18:35:21,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 18:35:21,182 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 18:35:21,184 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 18:35:21,186 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 18:35:21,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 18:35:21,189 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 18:35:21,190 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 18:35:21,191 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 18:35:21,192 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 18:35:21,194 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 18:35:21,195 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 18:35:21,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 18:35:21,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 18:35:21,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 18:35:21,202 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 18:35:21,204 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 18:35:21,206 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 18:35:21,207 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 18:35:21,208 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 18:35:21,212 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 18:35:21,212 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 18:35:21,212 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 18:35:21,214 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 18:35:21,214 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 18:35:21,216 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 18:35:21,216 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 18:35:21,217 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 18:35:21,218 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 18:35:21,219 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 18:35:21,220 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 18:35:21,221 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 18:35:21,262 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 18:35:21,267 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 18:35:21,267 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 18:35:21,269 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 18:35:21,270 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 18:35:21,275 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 18:35:21,351 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 18:35:21,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 18:35:21,354 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 18:35:21,355 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 18:35:21,357 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 18:35:21,358 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 18:35:21,358 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 18:35:21,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 18:35:21,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 18:35:21,359 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 18:35:21,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 18:35:21,360 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 18:35:21,361 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 18:35:21,361 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 18:35:21,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 18:35:21,361 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 18:35:21,362 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 18:35:21,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:35:21,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 18:35:21,362 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 18:35:21,363 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 18:35:21,363 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 18:35:21,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 18:35:21,363 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 18:35:21,364 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 18:35:21,364 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 18:35:21,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 18:35:21,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 18:35:21,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 18:35:21,799 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 18:35:21,800 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 18:35:21,800 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product26.cil.c [2021-01-06 18:35:21,883 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4b3e8546b/d8f983e4be99490ca1876f2a433c6fae/FLAGb13ec412b [2021-01-06 18:35:22,603 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 18:35:22,604 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product26.cil.c [2021-01-06 18:35:22,625 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4b3e8546b/d8f983e4be99490ca1876f2a433c6fae/FLAGb13ec412b [2021-01-06 18:35:22,739 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4b3e8546b/d8f983e4be99490ca1876f2a433c6fae [2021-01-06 18:35:22,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 18:35:22,744 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 18:35:22,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 18:35:22,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 18:35:22,750 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 18:35:22,751 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:35:22" (1/1) ... [2021-01-06 18:35:22,752 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31695546 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:35:22, skipping insertion in model container [2021-01-06 18:35:22,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:35:22" (1/1) ... [2021-01-06 18:35:22,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 18:35:22,820 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~receiver~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~email~0,] left hand side expression in assignment: lhs: VariableLHS[~queue_empty~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_message~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_client~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2021-01-06 18:35:23,483 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product26.cil.c[63558,63571] [2021-01-06 18:35:23,487 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:35:23,514 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~receiver~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~email~0,] left hand side expression in assignment: lhs: VariableLHS[~queue_empty~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_message~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_client~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2021-01-06 18:35:23,670 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product26.cil.c[63558,63571] [2021-01-06 18:35:23,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:35:23,766 INFO L208 MainTranslator]: Completed translation [2021-01-06 18:35:23,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:35:23 WrapperNode [2021-01-06 18:35:23,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 18:35:23,769 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 18:35:23,769 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 18:35:23,769 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 18:35:23,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:35:23" (1/1) ... [2021-01-06 18:35:23,809 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:35:23" (1/1) ... [2021-01-06 18:35:24,040 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 18:35:24,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 18:35:24,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 18:35:24,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 18:35:24,054 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:35:23" (1/1) ... [2021-01-06 18:35:24,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:35:23" (1/1) ... [2021-01-06 18:35:24,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:35:23" (1/1) ... [2021-01-06 18:35:24,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:35:23" (1/1) ... [2021-01-06 18:35:24,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:35:23" (1/1) ... [2021-01-06 18:35:24,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:35:23" (1/1) ... [2021-01-06 18:35:24,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:35:23" (1/1) ... [2021-01-06 18:35:24,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 18:35:24,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 18:35:24,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 18:35:24,257 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 18:35:24,258 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:35:23" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/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 [2021-01-06 18:35:24,361 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-01-06 18:35:24,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 18:35:24,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 18:35:24,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 18:35:24,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 18:35:27,808 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 18:35:27,808 INFO L299 CfgBuilder]: Removed 725 assume(true) statements. [2021-01-06 18:35:27,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:35:27 BoogieIcfgContainer [2021-01-06 18:35:27,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 18:35:27,818 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 18:35:27,818 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 18:35:27,828 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 18:35:27,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 06:35:22" (1/3) ... [2021-01-06 18:35:27,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6621551a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:35:27, skipping insertion in model container [2021-01-06 18:35:27,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:35:23" (2/3) ... [2021-01-06 18:35:27,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6621551a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:35:27, skipping insertion in model container [2021-01-06 18:35:27,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:35:27" (3/3) ... [2021-01-06 18:35:27,840 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec0_product26.cil.c [2021-01-06 18:35:27,855 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 18:35:27,866 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2021-01-06 18:35:27,893 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-01-06 18:35:27,944 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 18:35:27,944 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 18:35:27,945 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 18:35:27,945 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 18:35:27,945 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 18:35:27,945 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 18:35:27,945 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 18:35:27,946 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 18:35:27,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states. [2021-01-06 18:35:28,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-01-06 18:35:28,006 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:28,007 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:35:28,008 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:35:28,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:28,015 INFO L82 PathProgramCache]: Analyzing trace with hash -590532666, now seen corresponding path program 1 times [2021-01-06 18:35:28,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:28,025 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262289945] [2021-01-06 18:35:28,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:28,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:28,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:35:28,426 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262289945] [2021-01-06 18:35:28,427 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:28,428 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:35:28,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280584995] [2021-01-06 18:35:28,433 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:35:28,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:28,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:35:28,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:28,451 INFO L87 Difference]: Start difference. First operand 1026 states. Second operand 3 states. [2021-01-06 18:35:28,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:28,719 INFO L93 Difference]: Finished difference Result 3043 states and 5219 transitions. [2021-01-06 18:35:28,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:35:28,721 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2021-01-06 18:35:28,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:28,769 INFO L225 Difference]: With dead ends: 3043 [2021-01-06 18:35:28,769 INFO L226 Difference]: Without dead ends: 1928 [2021-01-06 18:35:28,787 INFO L677 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 [2021-01-06 18:35:28,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1928 states. [2021-01-06 18:35:28,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1928 to 973. [2021-01-06 18:35:28,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 973 states. [2021-01-06 18:35:28,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 973 states and 1664 transitions. [2021-01-06 18:35:28,935 INFO L78 Accepts]: Start accepts. Automaton has 973 states and 1664 transitions. Word has length 61 [2021-01-06 18:35:28,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:28,936 INFO L481 AbstractCegarLoop]: Abstraction has 973 states and 1664 transitions. [2021-01-06 18:35:28,936 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:35:28,936 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1664 transitions. [2021-01-06 18:35:28,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-01-06 18:35:28,948 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:28,949 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:35:28,949 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 18:35:28,949 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:35:28,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:28,953 INFO L82 PathProgramCache]: Analyzing trace with hash -433143979, now seen corresponding path program 1 times [2021-01-06 18:35:28,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:28,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003869442] [2021-01-06 18:35:28,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:29,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:29,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:35:29,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003869442] [2021-01-06 18:35:29,121 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:29,121 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:35:29,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504195299] [2021-01-06 18:35:29,123 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:35:29,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:29,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:35:29,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:35:29,124 INFO L87 Difference]: Start difference. First operand 973 states and 1664 transitions. Second operand 5 states. [2021-01-06 18:35:29,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:29,360 INFO L93 Difference]: Finished difference Result 2868 states and 4908 transitions. [2021-01-06 18:35:29,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 18:35:29,360 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2021-01-06 18:35:29,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:29,373 INFO L225 Difference]: With dead ends: 2868 [2021-01-06 18:35:29,373 INFO L226 Difference]: Without dead ends: 1914 [2021-01-06 18:35:29,376 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:35:29,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1914 states. [2021-01-06 18:35:29,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1914 to 973. [2021-01-06 18:35:29,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 973 states. [2021-01-06 18:35:29,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 973 states and 1663 transitions. [2021-01-06 18:35:29,421 INFO L78 Accepts]: Start accepts. Automaton has 973 states and 1663 transitions. Word has length 63 [2021-01-06 18:35:29,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:29,421 INFO L481 AbstractCegarLoop]: Abstraction has 973 states and 1663 transitions. [2021-01-06 18:35:29,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:35:29,421 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1663 transitions. [2021-01-06 18:35:29,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-01-06 18:35:29,423 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:29,423 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:35:29,424 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 18:35:29,424 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:35:29,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:29,425 INFO L82 PathProgramCache]: Analyzing trace with hash -891113880, now seen corresponding path program 1 times [2021-01-06 18:35:29,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:29,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092013912] [2021-01-06 18:35:29,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:29,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:29,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:35:29,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092013912] [2021-01-06 18:35:29,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:29,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:35:29,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959157579] [2021-01-06 18:35:29,528 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:35:29,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:29,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:35:29,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:29,529 INFO L87 Difference]: Start difference. First operand 973 states and 1663 transitions. Second operand 3 states. [2021-01-06 18:35:29,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:29,599 INFO L93 Difference]: Finished difference Result 1928 states and 3300 transitions. [2021-01-06 18:35:29,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:35:29,600 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2021-01-06 18:35:29,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:29,606 INFO L225 Difference]: With dead ends: 1928 [2021-01-06 18:35:29,606 INFO L226 Difference]: Without dead ends: 978 [2021-01-06 18:35:29,608 INFO L677 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 [2021-01-06 18:35:29,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 978 states. [2021-01-06 18:35:29,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 978 to 973. [2021-01-06 18:35:29,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 973 states. [2021-01-06 18:35:29,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 973 states and 1662 transitions. [2021-01-06 18:35:29,658 INFO L78 Accepts]: Start accepts. Automaton has 973 states and 1662 transitions. Word has length 64 [2021-01-06 18:35:29,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:29,664 INFO L481 AbstractCegarLoop]: Abstraction has 973 states and 1662 transitions. [2021-01-06 18:35:29,664 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:35:29,665 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1662 transitions. [2021-01-06 18:35:29,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-01-06 18:35:29,667 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:29,667 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:35:29,667 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 18:35:29,667 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:35:29,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:29,668 INFO L82 PathProgramCache]: Analyzing trace with hash -1107954462, now seen corresponding path program 1 times [2021-01-06 18:35:29,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:29,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23860835] [2021-01-06 18:35:29,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:29,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:35:29,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23860835] [2021-01-06 18:35:29,826 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:29,826 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:35:29,827 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622794667] [2021-01-06 18:35:29,827 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:35:29,828 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:29,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:35:29,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:29,830 INFO L87 Difference]: Start difference. First operand 973 states and 1662 transitions. Second operand 3 states. [2021-01-06 18:35:29,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:29,902 INFO L93 Difference]: Finished difference Result 1938 states and 3313 transitions. [2021-01-06 18:35:29,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:35:29,902 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2021-01-06 18:35:29,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:29,908 INFO L225 Difference]: With dead ends: 1938 [2021-01-06 18:35:29,908 INFO L226 Difference]: Without dead ends: 973 [2021-01-06 18:35:29,911 INFO L677 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 [2021-01-06 18:35:29,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 973 states. [2021-01-06 18:35:29,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 973 to 973. [2021-01-06 18:35:29,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 973 states. [2021-01-06 18:35:29,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 973 states and 1660 transitions. [2021-01-06 18:35:29,997 INFO L78 Accepts]: Start accepts. Automaton has 973 states and 1660 transitions. Word has length 65 [2021-01-06 18:35:29,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:29,999 INFO L481 AbstractCegarLoop]: Abstraction has 973 states and 1660 transitions. [2021-01-06 18:35:29,999 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:35:29,999 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1660 transitions. [2021-01-06 18:35:30,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-01-06 18:35:30,001 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:30,002 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:35:30,002 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 18:35:30,003 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:35:30,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:30,004 INFO L82 PathProgramCache]: Analyzing trace with hash 721125293, now seen corresponding path program 1 times [2021-01-06 18:35:30,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:30,005 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508323721] [2021-01-06 18:35:30,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:30,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:30,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:35:30,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508323721] [2021-01-06 18:35:30,127 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:30,127 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:35:30,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703328189] [2021-01-06 18:35:30,129 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:35:30,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:30,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:35:30,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:35:30,132 INFO L87 Difference]: Start difference. First operand 973 states and 1660 transitions. Second operand 5 states. [2021-01-06 18:35:30,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:30,375 INFO L93 Difference]: Finished difference Result 2858 states and 4888 transitions. [2021-01-06 18:35:30,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:35:30,377 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2021-01-06 18:35:30,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:30,388 INFO L225 Difference]: With dead ends: 2858 [2021-01-06 18:35:30,388 INFO L226 Difference]: Without dead ends: 1912 [2021-01-06 18:35:30,390 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:35:30,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1912 states. [2021-01-06 18:35:30,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1912 to 973. [2021-01-06 18:35:30,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 973 states. [2021-01-06 18:35:30,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 973 states and 1659 transitions. [2021-01-06 18:35:30,447 INFO L78 Accepts]: Start accepts. Automaton has 973 states and 1659 transitions. Word has length 66 [2021-01-06 18:35:30,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:30,447 INFO L481 AbstractCegarLoop]: Abstraction has 973 states and 1659 transitions. [2021-01-06 18:35:30,447 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:35:30,448 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1659 transitions. [2021-01-06 18:35:30,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-01-06 18:35:30,449 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:30,449 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:35:30,449 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 18:35:30,449 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:35:30,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:30,450 INFO L82 PathProgramCache]: Analyzing trace with hash -454719830, now seen corresponding path program 1 times [2021-01-06 18:35:30,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:30,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486729451] [2021-01-06 18:35:30,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:30,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:30,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:35:30,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486729451] [2021-01-06 18:35:30,555 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:30,555 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:35:30,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624584514] [2021-01-06 18:35:30,557 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:35:30,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:30,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:35:30,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:35:30,558 INFO L87 Difference]: Start difference. First operand 973 states and 1659 transitions. Second operand 5 states. [2021-01-06 18:35:30,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:30,855 INFO L93 Difference]: Finished difference Result 2863 states and 4893 transitions. [2021-01-06 18:35:30,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:35:30,856 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 67 [2021-01-06 18:35:30,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:30,867 INFO L225 Difference]: With dead ends: 2863 [2021-01-06 18:35:30,867 INFO L226 Difference]: Without dead ends: 1917 [2021-01-06 18:35:30,870 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:35:30,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1917 states. [2021-01-06 18:35:30,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1917 to 973. [2021-01-06 18:35:30,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 973 states. [2021-01-06 18:35:30,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 973 states and 1658 transitions. [2021-01-06 18:35:30,947 INFO L78 Accepts]: Start accepts. Automaton has 973 states and 1658 transitions. Word has length 67 [2021-01-06 18:35:30,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:30,948 INFO L481 AbstractCegarLoop]: Abstraction has 973 states and 1658 transitions. [2021-01-06 18:35:30,948 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:35:30,948 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1658 transitions. [2021-01-06 18:35:30,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-01-06 18:35:30,950 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:30,950 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:35:30,950 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 18:35:30,952 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:35:30,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:30,956 INFO L82 PathProgramCache]: Analyzing trace with hash -1281417582, now seen corresponding path program 1 times [2021-01-06 18:35:30,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:30,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583729780] [2021-01-06 18:35:30,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:31,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:31,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:35:31,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583729780] [2021-01-06 18:35:31,055 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:31,055 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:35:31,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578998756] [2021-01-06 18:35:31,056 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:35:31,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:31,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:35:31,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:31,057 INFO L87 Difference]: Start difference. First operand 973 states and 1658 transitions. Second operand 3 states. [2021-01-06 18:35:31,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:31,173 INFO L93 Difference]: Finished difference Result 1661 states and 2803 transitions. [2021-01-06 18:35:31,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:35:31,173 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2021-01-06 18:35:31,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:31,179 INFO L225 Difference]: With dead ends: 1661 [2021-01-06 18:35:31,180 INFO L226 Difference]: Without dead ends: 976 [2021-01-06 18:35:31,182 INFO L677 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 [2021-01-06 18:35:31,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 976 states. [2021-01-06 18:35:31,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 976 to 975. [2021-01-06 18:35:31,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 975 states. [2021-01-06 18:35:31,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 975 states and 1660 transitions. [2021-01-06 18:35:31,251 INFO L78 Accepts]: Start accepts. Automaton has 975 states and 1660 transitions. Word has length 68 [2021-01-06 18:35:31,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:31,253 INFO L481 AbstractCegarLoop]: Abstraction has 975 states and 1660 transitions. [2021-01-06 18:35:31,253 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:35:31,253 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1660 transitions. [2021-01-06 18:35:31,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-01-06 18:35:31,263 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:31,263 INFO L422 BasicCegarLoop]: trace histogram [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] [2021-01-06 18:35:31,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 18:35:31,264 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:35:31,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:31,264 INFO L82 PathProgramCache]: Analyzing trace with hash 1082785380, now seen corresponding path program 1 times [2021-01-06 18:35:31,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:31,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462190145] [2021-01-06 18:35:31,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:31,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:31,385 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:35:31,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462190145] [2021-01-06 18:35:31,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:31,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:35:31,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770557299] [2021-01-06 18:35:31,387 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:35:31,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:31,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:35:31,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:31,388 INFO L87 Difference]: Start difference. First operand 975 states and 1660 transitions. Second operand 3 states. [2021-01-06 18:35:31,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:31,524 INFO L93 Difference]: Finished difference Result 2811 states and 4804 transitions. [2021-01-06 18:35:31,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:35:31,524 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2021-01-06 18:35:31,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:31,536 INFO L225 Difference]: With dead ends: 2811 [2021-01-06 18:35:31,537 INFO L226 Difference]: Without dead ends: 1867 [2021-01-06 18:35:31,540 INFO L677 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 [2021-01-06 18:35:31,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1867 states. [2021-01-06 18:35:31,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1867 to 1182. [2021-01-06 18:35:31,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1182 states. [2021-01-06 18:35:31,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 1182 states and 2042 transitions. [2021-01-06 18:35:31,624 INFO L78 Accepts]: Start accepts. Automaton has 1182 states and 2042 transitions. Word has length 76 [2021-01-06 18:35:31,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:31,624 INFO L481 AbstractCegarLoop]: Abstraction has 1182 states and 2042 transitions. [2021-01-06 18:35:31,625 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:35:31,625 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 2042 transitions. [2021-01-06 18:35:31,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-01-06 18:35:31,627 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:31,628 INFO L422 BasicCegarLoop]: trace histogram [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] [2021-01-06 18:35:31,628 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 18:35:31,628 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:35:31,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:31,629 INFO L82 PathProgramCache]: Analyzing trace with hash 1660708069, now seen corresponding path program 1 times [2021-01-06 18:35:31,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:31,630 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574662363] [2021-01-06 18:35:31,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:31,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:31,739 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:35:31,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574662363] [2021-01-06 18:35:31,744 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:31,744 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:35:31,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290049001] [2021-01-06 18:35:31,745 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:35:31,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:31,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:35:31,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:35:31,747 INFO L87 Difference]: Start difference. First operand 1182 states and 2042 transitions. Second operand 5 states. [2021-01-06 18:35:32,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:32,189 INFO L93 Difference]: Finished difference Result 3476 states and 6032 transitions. [2021-01-06 18:35:32,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:35:32,190 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2021-01-06 18:35:32,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:32,205 INFO L225 Difference]: With dead ends: 3476 [2021-01-06 18:35:32,205 INFO L226 Difference]: Without dead ends: 2325 [2021-01-06 18:35:32,209 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:35:32,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2325 states. [2021-01-06 18:35:32,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2325 to 1182. [2021-01-06 18:35:32,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1182 states. [2021-01-06 18:35:32,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 1182 states and 2040 transitions. [2021-01-06 18:35:32,364 INFO L78 Accepts]: Start accepts. Automaton has 1182 states and 2040 transitions. Word has length 77 [2021-01-06 18:35:32,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:32,365 INFO L481 AbstractCegarLoop]: Abstraction has 1182 states and 2040 transitions. [2021-01-06 18:35:32,365 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:35:32,365 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 2040 transitions. [2021-01-06 18:35:32,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-01-06 18:35:32,367 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:32,368 INFO L422 BasicCegarLoop]: trace histogram [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] [2021-01-06 18:35:32,368 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 18:35:32,368 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:35:32,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:32,369 INFO L82 PathProgramCache]: Analyzing trace with hash 62660718, now seen corresponding path program 1 times [2021-01-06 18:35:32,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:32,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538501442] [2021-01-06 18:35:32,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:32,442 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:35:32,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538501442] [2021-01-06 18:35:32,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:32,443 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:35:32,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747795074] [2021-01-06 18:35:32,443 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:35:32,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:32,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:35:32,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:32,444 INFO L87 Difference]: Start difference. First operand 1182 states and 2040 transitions. Second operand 3 states. [2021-01-06 18:35:32,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:32,691 INFO L93 Difference]: Finished difference Result 3474 states and 6024 transitions. [2021-01-06 18:35:32,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:35:32,692 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2021-01-06 18:35:32,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:32,710 INFO L225 Difference]: With dead ends: 3474 [2021-01-06 18:35:32,710 INFO L226 Difference]: Without dead ends: 2323 [2021-01-06 18:35:32,713 INFO L677 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 [2021-01-06 18:35:32,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2323 states. [2021-01-06 18:35:32,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2323 to 1638. [2021-01-06 18:35:32,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1638 states. [2021-01-06 18:35:32,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1638 states to 1638 states and 2881 transitions. [2021-01-06 18:35:32,871 INFO L78 Accepts]: Start accepts. Automaton has 1638 states and 2881 transitions. Word has length 78 [2021-01-06 18:35:32,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:32,872 INFO L481 AbstractCegarLoop]: Abstraction has 1638 states and 2881 transitions. [2021-01-06 18:35:32,872 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:35:32,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1638 states and 2881 transitions. [2021-01-06 18:35:32,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-01-06 18:35:32,875 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:32,876 INFO L422 BasicCegarLoop]: trace histogram [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] [2021-01-06 18:35:32,876 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 18:35:32,876 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:35:32,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:32,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1074486160, now seen corresponding path program 1 times [2021-01-06 18:35:32,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:32,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386312079] [2021-01-06 18:35:32,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:32,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:32,967 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:35:32,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386312079] [2021-01-06 18:35:32,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [909739967] [2021-01-06 18:35:32,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 18:35:33,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:33,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 1012 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 18:35:33,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:35:33,521 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:35:33,521 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 18:35:33,521 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-01-06 18:35:33,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055534223] [2021-01-06 18:35:33,522 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:35:33,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:33,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:35:33,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:35:33,523 INFO L87 Difference]: Start difference. First operand 1638 states and 2881 transitions. Second operand 5 states. [2021-01-06 18:35:33,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:33,772 INFO L93 Difference]: Finished difference Result 3274 states and 5648 transitions. [2021-01-06 18:35:33,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:35:33,772 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2021-01-06 18:35:33,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:33,791 INFO L225 Difference]: With dead ends: 3274 [2021-01-06 18:35:33,792 INFO L226 Difference]: Without dead ends: 2589 [2021-01-06 18:35:33,794 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:35:33,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2589 states. [2021-01-06 18:35:34,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2589 to 1901. [2021-01-06 18:35:34,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1901 states. [2021-01-06 18:35:34,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1901 states to 1901 states and 3360 transitions. [2021-01-06 18:35:34,044 INFO L78 Accepts]: Start accepts. Automaton has 1901 states and 3360 transitions. Word has length 78 [2021-01-06 18:35:34,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:34,044 INFO L481 AbstractCegarLoop]: Abstraction has 1901 states and 3360 transitions. [2021-01-06 18:35:34,044 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:35:34,044 INFO L276 IsEmpty]: Start isEmpty. Operand 1901 states and 3360 transitions. [2021-01-06 18:35:34,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-01-06 18:35:34,048 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:34,048 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:35:34,262 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-01-06 18:35:34,263 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:35:34,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:34,264 INFO L82 PathProgramCache]: Analyzing trace with hash -1486889581, now seen corresponding path program 1 times [2021-01-06 18:35:34,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:34,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822083828] [2021-01-06 18:35:34,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:34,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:34,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:35:34,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822083828] [2021-01-06 18:35:34,356 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:34,356 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:35:34,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262233610] [2021-01-06 18:35:34,357 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:35:34,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:34,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:35:34,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:34,359 INFO L87 Difference]: Start difference. First operand 1901 states and 3360 transitions. Second operand 3 states. [2021-01-06 18:35:34,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:34,662 INFO L93 Difference]: Finished difference Result 5290 states and 9365 transitions. [2021-01-06 18:35:34,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:35:34,663 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 82 [2021-01-06 18:35:34,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:34,684 INFO L225 Difference]: With dead ends: 5290 [2021-01-06 18:35:34,684 INFO L226 Difference]: Without dead ends: 3490 [2021-01-06 18:35:34,689 INFO L677 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 [2021-01-06 18:35:34,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3490 states. [2021-01-06 18:35:34,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3490 to 2805. [2021-01-06 18:35:34,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2805 states. [2021-01-06 18:35:34,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2805 states to 2805 states and 5021 transitions. [2021-01-06 18:35:34,914 INFO L78 Accepts]: Start accepts. Automaton has 2805 states and 5021 transitions. Word has length 82 [2021-01-06 18:35:34,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:34,914 INFO L481 AbstractCegarLoop]: Abstraction has 2805 states and 5021 transitions. [2021-01-06 18:35:34,915 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:35:34,915 INFO L276 IsEmpty]: Start isEmpty. Operand 2805 states and 5021 transitions. [2021-01-06 18:35:34,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-01-06 18:35:34,921 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:34,921 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:35:34,921 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 18:35:34,921 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:35:34,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:34,922 INFO L82 PathProgramCache]: Analyzing trace with hash -2077216749, now seen corresponding path program 1 times [2021-01-06 18:35:34,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:34,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73449038] [2021-01-06 18:35:34,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:34,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:34,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:35:34,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73449038] [2021-01-06 18:35:34,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:34,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:35:34,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837201509] [2021-01-06 18:35:34,999 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:35:34,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:35,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:35:35,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:35,000 INFO L87 Difference]: Start difference. First operand 2805 states and 5021 transitions. Second operand 3 states. [2021-01-06 18:35:35,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:35,355 INFO L93 Difference]: Finished difference Result 7738 states and 13867 transitions. [2021-01-06 18:35:35,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:35:35,355 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2021-01-06 18:35:35,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:35,373 INFO L225 Difference]: With dead ends: 7738 [2021-01-06 18:35:35,373 INFO L226 Difference]: Without dead ends: 5068 [2021-01-06 18:35:35,379 INFO L677 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 [2021-01-06 18:35:35,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5068 states. [2021-01-06 18:35:35,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5068 to 4383. [2021-01-06 18:35:35,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4383 states. [2021-01-06 18:35:35,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4383 states to 4383 states and 7918 transitions. [2021-01-06 18:35:35,732 INFO L78 Accepts]: Start accepts. Automaton has 4383 states and 7918 transitions. Word has length 83 [2021-01-06 18:35:35,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:35,733 INFO L481 AbstractCegarLoop]: Abstraction has 4383 states and 7918 transitions. [2021-01-06 18:35:35,733 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:35:35,733 INFO L276 IsEmpty]: Start isEmpty. Operand 4383 states and 7918 transitions. [2021-01-06 18:35:35,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-01-06 18:35:35,742 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:35,742 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:35:35,742 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 18:35:35,742 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:35:35,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:35,743 INFO L82 PathProgramCache]: Analyzing trace with hash 454251394, now seen corresponding path program 1 times [2021-01-06 18:35:35,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:35,743 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480755256] [2021-01-06 18:35:35,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:35,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:35:35,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480755256] [2021-01-06 18:35:35,819 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:35,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:35:35,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483155666] [2021-01-06 18:35:35,820 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:35:35,820 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:35,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:35:35,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:35,821 INFO L87 Difference]: Start difference. First operand 4383 states and 7918 transitions. Second operand 3 states. [2021-01-06 18:35:36,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:36,323 INFO L93 Difference]: Finished difference Result 12188 states and 22041 transitions. [2021-01-06 18:35:36,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:35:36,324 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2021-01-06 18:35:36,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:36,347 INFO L225 Difference]: With dead ends: 12188 [2021-01-06 18:35:36,347 INFO L226 Difference]: Without dead ends: 7974 [2021-01-06 18:35:36,356 INFO L677 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 [2021-01-06 18:35:36,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7974 states. [2021-01-06 18:35:36,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7974 to 7289. [2021-01-06 18:35:36,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7289 states. [2021-01-06 18:35:36,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7289 states to 7289 states and 13247 transitions. [2021-01-06 18:35:36,883 INFO L78 Accepts]: Start accepts. Automaton has 7289 states and 13247 transitions. Word has length 84 [2021-01-06 18:35:36,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:36,884 INFO L481 AbstractCegarLoop]: Abstraction has 7289 states and 13247 transitions. [2021-01-06 18:35:36,884 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:35:36,884 INFO L276 IsEmpty]: Start isEmpty. Operand 7289 states and 13247 transitions. [2021-01-06 18:35:36,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-01-06 18:35:36,895 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:36,895 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:35:36,895 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 18:35:36,896 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:35:36,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:36,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1539318562, now seen corresponding path program 1 times [2021-01-06 18:35:36,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:36,897 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45682451] [2021-01-06 18:35:36,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:36,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:36,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:35:36,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45682451] [2021-01-06 18:35:36,971 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:36,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:35:36,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255870032] [2021-01-06 18:35:36,973 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:35:36,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:36,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:35:36,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:36,974 INFO L87 Difference]: Start difference. First operand 7289 states and 13247 transitions. Second operand 3 states. [2021-01-06 18:35:37,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:37,764 INFO L93 Difference]: Finished difference Result 21232 states and 38639 transitions. [2021-01-06 18:35:37,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:35:37,765 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2021-01-06 18:35:37,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:37,806 INFO L225 Difference]: With dead ends: 21232 [2021-01-06 18:35:37,807 INFO L226 Difference]: Without dead ends: 14120 [2021-01-06 18:35:37,822 INFO L677 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 [2021-01-06 18:35:37,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14120 states. [2021-01-06 18:35:38,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14120 to 13435. [2021-01-06 18:35:38,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13435 states. [2021-01-06 18:35:38,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13435 states to 13435 states and 24512 transitions. [2021-01-06 18:35:38,668 INFO L78 Accepts]: Start accepts. Automaton has 13435 states and 24512 transitions. Word has length 85 [2021-01-06 18:35:38,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:38,669 INFO L481 AbstractCegarLoop]: Abstraction has 13435 states and 24512 transitions. [2021-01-06 18:35:38,669 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:35:38,669 INFO L276 IsEmpty]: Start isEmpty. Operand 13435 states and 24512 transitions. [2021-01-06 18:35:38,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-01-06 18:35:38,686 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:38,687 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:35:38,687 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 18:35:38,687 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:35:38,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:38,688 INFO L82 PathProgramCache]: Analyzing trace with hash -294330253, now seen corresponding path program 1 times [2021-01-06 18:35:38,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:38,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947316928] [2021-01-06 18:35:38,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:38,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:38,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:35:38,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947316928] [2021-01-06 18:35:38,770 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:38,770 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:35:38,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492985462] [2021-01-06 18:35:38,770 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:35:38,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:38,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:35:38,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:38,771 INFO L87 Difference]: Start difference. First operand 13435 states and 24512 transitions. Second operand 3 states. [2021-01-06 18:35:40,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:40,123 INFO L93 Difference]: Finished difference Result 39500 states and 72133 transitions. [2021-01-06 18:35:40,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:35:40,124 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2021-01-06 18:35:40,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:40,207 INFO L225 Difference]: With dead ends: 39500 [2021-01-06 18:35:40,207 INFO L226 Difference]: Without dead ends: 26250 [2021-01-06 18:35:40,235 INFO L677 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 [2021-01-06 18:35:40,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26250 states. [2021-01-06 18:35:41,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26250 to 25565. [2021-01-06 18:35:41,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25565 states. [2021-01-06 18:35:41,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25565 states to 25565 states and 46721 transitions. [2021-01-06 18:35:41,951 INFO L78 Accepts]: Start accepts. Automaton has 25565 states and 46721 transitions. Word has length 86 [2021-01-06 18:35:41,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:41,951 INFO L481 AbstractCegarLoop]: Abstraction has 25565 states and 46721 transitions. [2021-01-06 18:35:41,951 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:35:41,951 INFO L276 IsEmpty]: Start isEmpty. Operand 25565 states and 46721 transitions. [2021-01-06 18:35:41,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-01-06 18:35:41,975 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:41,975 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:35:41,975 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 18:35:41,975 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:35:41,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:41,976 INFO L82 PathProgramCache]: Analyzing trace with hash -638122573, now seen corresponding path program 1 times [2021-01-06 18:35:41,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:41,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786218827] [2021-01-06 18:35:41,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:42,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:42,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:35:42,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786218827] [2021-01-06 18:35:42,047 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:42,047 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:35:42,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342957118] [2021-01-06 18:35:42,048 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:35:42,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:42,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:35:42,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:42,049 INFO L87 Difference]: Start difference. First operand 25565 states and 46721 transitions. Second operand 3 states. [2021-01-06 18:35:44,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:44,549 INFO L93 Difference]: Finished difference Result 70529 states and 128496 transitions. [2021-01-06 18:35:44,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:35:44,549 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 87 [2021-01-06 18:35:44,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:44,709 INFO L225 Difference]: With dead ends: 70529 [2021-01-06 18:35:44,709 INFO L226 Difference]: Without dead ends: 45196 [2021-01-06 18:35:44,753 INFO L677 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 [2021-01-06 18:35:44,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45196 states. [2021-01-06 18:35:47,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45196 to 44511. [2021-01-06 18:35:47,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44511 states. [2021-01-06 18:35:47,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44511 states to 44511 states and 80898 transitions. [2021-01-06 18:35:47,447 INFO L78 Accepts]: Start accepts. Automaton has 44511 states and 80898 transitions. Word has length 87 [2021-01-06 18:35:47,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:47,448 INFO L481 AbstractCegarLoop]: Abstraction has 44511 states and 80898 transitions. [2021-01-06 18:35:47,448 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:35:47,448 INFO L276 IsEmpty]: Start isEmpty. Operand 44511 states and 80898 transitions. [2021-01-06 18:35:47,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-01-06 18:35:47,483 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:47,484 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2021-01-06 18:35:47,484 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 18:35:47,484 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:35:47,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:47,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1308014572, now seen corresponding path program 1 times [2021-01-06 18:35:47,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:47,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028631543] [2021-01-06 18:35:47,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:47,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:47,568 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-06 18:35:47,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028631543] [2021-01-06 18:35:47,568 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:47,568 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:35:47,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953143493] [2021-01-06 18:35:47,569 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:35:47,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:47,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:35:47,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:35:47,570 INFO L87 Difference]: Start difference. First operand 44511 states and 80898 transitions. Second operand 5 states. [2021-01-06 18:35:50,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:50,750 INFO L93 Difference]: Finished difference Result 131142 states and 238329 transitions. [2021-01-06 18:35:50,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 18:35:50,750 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2021-01-06 18:35:50,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:50,953 INFO L225 Difference]: With dead ends: 131142 [2021-01-06 18:35:50,953 INFO L226 Difference]: Without dead ends: 86931 [2021-01-06 18:35:51,028 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:35:51,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86931 states. [2021-01-06 18:35:53,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86931 to 44511. [2021-01-06 18:35:53,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44511 states. [2021-01-06 18:35:53,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44511 states to 44511 states and 80640 transitions. [2021-01-06 18:35:53,355 INFO L78 Accepts]: Start accepts. Automaton has 44511 states and 80640 transitions. Word has length 88 [2021-01-06 18:35:53,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:53,355 INFO L481 AbstractCegarLoop]: Abstraction has 44511 states and 80640 transitions. [2021-01-06 18:35:53,355 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:35:53,356 INFO L276 IsEmpty]: Start isEmpty. Operand 44511 states and 80640 transitions. [2021-01-06 18:35:53,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-01-06 18:35:53,376 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:53,377 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:35:53,377 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-06 18:35:53,377 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:35:53,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:53,378 INFO L82 PathProgramCache]: Analyzing trace with hash -1975127282, now seen corresponding path program 2 times [2021-01-06 18:35:53,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:53,378 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761277495] [2021-01-06 18:35:53,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:53,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:53,457 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:35:53,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761277495] [2021-01-06 18:35:53,458 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:53,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:35:53,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780135879] [2021-01-06 18:35:53,458 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:35:53,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:53,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:35:53,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:53,459 INFO L87 Difference]: Start difference. First operand 44511 states and 80640 transitions. Second operand 3 states. [2021-01-06 18:35:55,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:55,275 INFO L93 Difference]: Finished difference Result 89401 states and 161898 transitions. [2021-01-06 18:35:55,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:35:55,276 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2021-01-06 18:35:55,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:55,369 INFO L225 Difference]: With dead ends: 89401 [2021-01-06 18:35:55,370 INFO L226 Difference]: Without dead ends: 45196 [2021-01-06 18:35:55,405 INFO L677 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 [2021-01-06 18:35:55,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45196 states. [2021-01-06 18:35:57,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45196 to 44511. [2021-01-06 18:35:57,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44511 states. [2021-01-06 18:35:57,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44511 states to 44511 states and 80512 transitions. [2021-01-06 18:35:57,411 INFO L78 Accepts]: Start accepts. Automaton has 44511 states and 80512 transitions. Word has length 88 [2021-01-06 18:35:57,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:57,411 INFO L481 AbstractCegarLoop]: Abstraction has 44511 states and 80512 transitions. [2021-01-06 18:35:57,411 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:35:57,412 INFO L276 IsEmpty]: Start isEmpty. Operand 44511 states and 80512 transitions. [2021-01-06 18:35:57,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-01-06 18:35:57,431 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:57,431 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:35:57,431 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-06 18:35:57,432 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:35:57,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:57,432 INFO L82 PathProgramCache]: Analyzing trace with hash -1160536127, now seen corresponding path program 1 times [2021-01-06 18:35:57,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:57,432 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258672445] [2021-01-06 18:35:57,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:57,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:57,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:35:57,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258672445] [2021-01-06 18:35:57,497 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:57,497 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:35:57,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398256914] [2021-01-06 18:35:57,498 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:35:57,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:57,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:35:57,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:57,499 INFO L87 Difference]: Start difference. First operand 44511 states and 80512 transitions. Second operand 3 states. [2021-01-06 18:36:00,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:36:00,231 INFO L93 Difference]: Finished difference Result 125027 states and 225972 transitions. [2021-01-06 18:36:00,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:36:00,232 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2021-01-06 18:36:00,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:36:00,390 INFO L225 Difference]: With dead ends: 125027 [2021-01-06 18:36:00,390 INFO L226 Difference]: Without dead ends: 80782 [2021-01-06 18:36:00,440 INFO L677 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 [2021-01-06 18:36:00,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80782 states. [2021-01-06 18:36:03,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80782 to 80097. [2021-01-06 18:36:03,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80097 states. [2021-01-06 18:36:04,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80097 states to 80097 states and 144513 transitions. [2021-01-06 18:36:04,117 INFO L78 Accepts]: Start accepts. Automaton has 80097 states and 144513 transitions. Word has length 88 [2021-01-06 18:36:04,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:36:04,118 INFO L481 AbstractCegarLoop]: Abstraction has 80097 states and 144513 transitions. [2021-01-06 18:36:04,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:36:04,118 INFO L276 IsEmpty]: Start isEmpty. Operand 80097 states and 144513 transitions. [2021-01-06 18:36:04,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-01-06 18:36:04,131 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:36:04,131 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2021-01-06 18:36:04,131 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-06 18:36:04,132 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:36:04,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:36:04,132 INFO L82 PathProgramCache]: Analyzing trace with hash 1842542344, now seen corresponding path program 1 times [2021-01-06 18:36:04,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:36:04,133 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971718972] [2021-01-06 18:36:04,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:36:04,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:36:04,619 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:36:04,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971718972] [2021-01-06 18:36:04,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:36:04,619 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 18:36:04,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13534902] [2021-01-06 18:36:04,620 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:36:04,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:36:04,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:36:04,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:36:04,621 INFO L87 Difference]: Start difference. First operand 80097 states and 144513 transitions. Second operand 9 states. [2021-01-06 18:36:11,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:36:11,719 INFO L93 Difference]: Finished difference Result 163991 states and 295196 transitions. [2021-01-06 18:36:11,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-01-06 18:36:11,719 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2021-01-06 18:36:11,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:36:12,001 INFO L225 Difference]: With dead ends: 163991 [2021-01-06 18:36:12,001 INFO L226 Difference]: Without dead ends: 163363 [2021-01-06 18:36:12,042 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=158, Invalid=304, Unknown=0, NotChecked=0, Total=462 [2021-01-06 18:36:12,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163363 states. [2021-01-06 18:36:18,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163363 to 159819. [2021-01-06 18:36:18,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159819 states. [2021-01-06 18:36:18,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159819 states to 159819 states and 288401 transitions. [2021-01-06 18:36:18,565 INFO L78 Accepts]: Start accepts. Automaton has 159819 states and 288401 transitions. Word has length 89 [2021-01-06 18:36:18,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:36:18,565 INFO L481 AbstractCegarLoop]: Abstraction has 159819 states and 288401 transitions. [2021-01-06 18:36:18,565 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:36:18,565 INFO L276 IsEmpty]: Start isEmpty. Operand 159819 states and 288401 transitions. [2021-01-06 18:36:18,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-01-06 18:36:18,589 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:36:18,589 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2021-01-06 18:36:18,590 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-01-06 18:36:18,590 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:36:18,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:36:18,590 INFO L82 PathProgramCache]: Analyzing trace with hash 144444263, now seen corresponding path program 1 times [2021-01-06 18:36:18,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:36:18,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308895457] [2021-01-06 18:36:18,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:36:18,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:36:18,697 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:36:18,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308895457] [2021-01-06 18:36:18,698 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:36:18,698 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 18:36:18,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106630304] [2021-01-06 18:36:18,700 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 18:36:18,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:36:18,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 18:36:18,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:36:18,701 INFO L87 Difference]: Start difference. First operand 159819 states and 288401 transitions. Second operand 7 states. [2021-01-06 18:36:24,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:36:24,380 INFO L93 Difference]: Finished difference Result 161270 states and 290796 transitions. [2021-01-06 18:36:24,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 18:36:24,383 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 90 [2021-01-06 18:36:24,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:36:24,680 INFO L225 Difference]: With dead ends: 161270 [2021-01-06 18:36:24,680 INFO L226 Difference]: Without dead ends: 160148 [2021-01-06 18:36:24,720 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2021-01-06 18:36:24,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160148 states. [2021-01-06 18:36:31,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160148 to 159783. [2021-01-06 18:36:31,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159783 states. [2021-01-06 18:36:31,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159783 states to 159783 states and 288320 transitions. [2021-01-06 18:36:31,687 INFO L78 Accepts]: Start accepts. Automaton has 159783 states and 288320 transitions. Word has length 90 [2021-01-06 18:36:31,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:36:31,687 INFO L481 AbstractCegarLoop]: Abstraction has 159783 states and 288320 transitions. [2021-01-06 18:36:31,687 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 18:36:31,688 INFO L276 IsEmpty]: Start isEmpty. Operand 159783 states and 288320 transitions. [2021-01-06 18:36:31,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-01-06 18:36:31,716 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:36:31,716 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2021-01-06 18:36:31,717 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-01-06 18:36:31,717 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:36:31,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:36:31,717 INFO L82 PathProgramCache]: Analyzing trace with hash -993893507, now seen corresponding path program 1 times [2021-01-06 18:36:31,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:36:31,718 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519743193] [2021-01-06 18:36:31,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:36:31,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:36:31,842 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:36:31,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519743193] [2021-01-06 18:36:31,842 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:36:31,842 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 18:36:31,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456966083] [2021-01-06 18:36:31,843 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:36:31,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:36:31,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:36:31,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:36:31,844 INFO L87 Difference]: Start difference. First operand 159783 states and 288320 transitions. Second operand 9 states. [2021-01-06 18:36:39,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:36:39,154 INFO L93 Difference]: Finished difference Result 165561 states and 297815 transitions. [2021-01-06 18:36:39,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-01-06 18:36:39,155 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 90 [2021-01-06 18:36:39,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:36:39,448 INFO L225 Difference]: With dead ends: 165561 [2021-01-06 18:36:39,449 INFO L226 Difference]: Without dead ends: 164559 [2021-01-06 18:36:39,489 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2021-01-06 18:36:39,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164559 states. [2021-01-06 18:36:46,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164559 to 160271. [2021-01-06 18:36:46,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160271 states. [2021-01-06 18:36:46,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160271 states to 160271 states and 289119 transitions. [2021-01-06 18:36:46,723 INFO L78 Accepts]: Start accepts. Automaton has 160271 states and 289119 transitions. Word has length 90 [2021-01-06 18:36:46,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:36:46,723 INFO L481 AbstractCegarLoop]: Abstraction has 160271 states and 289119 transitions. [2021-01-06 18:36:46,723 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:36:46,724 INFO L276 IsEmpty]: Start isEmpty. Operand 160271 states and 289119 transitions. [2021-01-06 18:36:46,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-01-06 18:36:46,767 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:36:46,767 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2021-01-06 18:36:46,767 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-01-06 18:36:46,768 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:36:46,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:36:46,769 INFO L82 PathProgramCache]: Analyzing trace with hash 2059478664, now seen corresponding path program 1 times [2021-01-06 18:36:46,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:36:46,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425672105] [2021-01-06 18:36:46,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:36:46,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:36:46,947 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:36:46,948 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425672105] [2021-01-06 18:36:46,948 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:36:46,948 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-01-06 18:36:46,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686194154] [2021-01-06 18:36:46,949 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-06 18:36:46,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:36:46,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-06 18:36:46,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-01-06 18:36:46,950 INFO L87 Difference]: Start difference. First operand 160271 states and 289119 transitions. Second operand 11 states. [2021-01-06 18:36:55,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:36:55,691 INFO L93 Difference]: Finished difference Result 167938 states and 301767 transitions. [2021-01-06 18:36:55,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-01-06 18:36:55,692 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 91 [2021-01-06 18:36:55,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:36:56,129 INFO L225 Difference]: With dead ends: 167938 [2021-01-06 18:36:56,129 INFO L226 Difference]: Without dead ends: 166601 [2021-01-06 18:36:56,170 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=466, Invalid=1340, Unknown=0, NotChecked=0, Total=1806 [2021-01-06 18:36:56,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166601 states. [2021-01-06 18:37:02,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166601 to 160570. [2021-01-06 18:37:02,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160570 states. [2021-01-06 18:37:03,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160570 states to 160570 states and 289613 transitions. [2021-01-06 18:37:03,304 INFO L78 Accepts]: Start accepts. Automaton has 160570 states and 289613 transitions. Word has length 91 [2021-01-06 18:37:03,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:37:03,305 INFO L481 AbstractCegarLoop]: Abstraction has 160570 states and 289613 transitions. [2021-01-06 18:37:03,305 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-06 18:37:03,305 INFO L276 IsEmpty]: Start isEmpty. Operand 160570 states and 289613 transitions. [2021-01-06 18:37:03,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-01-06 18:37:03,335 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:37:03,336 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2021-01-06 18:37:03,336 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-01-06 18:37:03,339 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:37:03,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:37:03,340 INFO L82 PathProgramCache]: Analyzing trace with hash 803697454, now seen corresponding path program 1 times [2021-01-06 18:37:03,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:37:03,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746353200] [2021-01-06 18:37:03,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:37:03,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:37:03,444 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:37:03,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746353200] [2021-01-06 18:37:03,445 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:37:03,445 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 18:37:03,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417527708] [2021-01-06 18:37:03,445 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-06 18:37:03,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:37:03,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-06 18:37:03,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:37:03,446 INFO L87 Difference]: Start difference. First operand 160570 states and 289613 transitions. Second operand 8 states. [2021-01-06 18:37:09,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:37:09,016 INFO L93 Difference]: Finished difference Result 163147 states and 293848 transitions. [2021-01-06 18:37:09,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-01-06 18:37:09,017 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 91 [2021-01-06 18:37:09,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:37:09,458 INFO L225 Difference]: With dead ends: 163147 [2021-01-06 18:37:09,458 INFO L226 Difference]: Without dead ends: 161213 [2021-01-06 18:37:09,503 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2021-01-06 18:37:09,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161213 states. [2021-01-06 18:37:17,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161213 to 160343. [2021-01-06 18:37:17,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160343 states. [2021-01-06 18:37:17,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160343 states to 160343 states and 289215 transitions. [2021-01-06 18:37:17,948 INFO L78 Accepts]: Start accepts. Automaton has 160343 states and 289215 transitions. Word has length 91 [2021-01-06 18:37:17,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:37:17,948 INFO L481 AbstractCegarLoop]: Abstraction has 160343 states and 289215 transitions. [2021-01-06 18:37:17,948 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-01-06 18:37:17,948 INFO L276 IsEmpty]: Start isEmpty. Operand 160343 states and 289215 transitions. [2021-01-06 18:37:17,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-01-06 18:37:17,983 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:37:17,983 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2021-01-06 18:37:17,983 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-01-06 18:37:17,992 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:37:17,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:37:17,993 INFO L82 PathProgramCache]: Analyzing trace with hash -565775647, now seen corresponding path program 1 times [2021-01-06 18:37:17,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:37:17,993 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418669468] [2021-01-06 18:37:17,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:37:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:37:18,093 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 18:37:18,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418669468] [2021-01-06 18:37:18,094 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:37:18,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 18:37:18,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600746238] [2021-01-06 18:37:18,094 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 18:37:18,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:37:18,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 18:37:18,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-06 18:37:18,095 INFO L87 Difference]: Start difference. First operand 160343 states and 289215 transitions. Second operand 6 states. [2021-01-06 18:37:27,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:37:27,127 INFO L93 Difference]: Finished difference Result 244960 states and 440799 transitions. [2021-01-06 18:37:27,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 18:37:27,128 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 92 [2021-01-06 18:37:27,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:37:27,791 INFO L225 Difference]: With dead ends: 244960 [2021-01-06 18:37:27,791 INFO L226 Difference]: Without dead ends: 243572 [2021-01-06 18:37:27,851 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:37:28,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243572 states. [2021-01-06 18:37:37,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243572 to 240387. [2021-01-06 18:37:37,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240387 states. [2021-01-06 18:37:38,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240387 states to 240387 states and 433318 transitions. [2021-01-06 18:37:38,630 INFO L78 Accepts]: Start accepts. Automaton has 240387 states and 433318 transitions. Word has length 92 [2021-01-06 18:37:38,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:37:38,630 INFO L481 AbstractCegarLoop]: Abstraction has 240387 states and 433318 transitions. [2021-01-06 18:37:38,631 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 18:37:38,631 INFO L276 IsEmpty]: Start isEmpty. Operand 240387 states and 433318 transitions. [2021-01-06 18:37:38,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-01-06 18:37:38,665 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:37:38,665 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:37:38,666 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-01-06 18:37:38,666 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:37:38,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:37:38,666 INFO L82 PathProgramCache]: Analyzing trace with hash 20748351, now seen corresponding path program 1 times [2021-01-06 18:37:38,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:37:38,666 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570491662] [2021-01-06 18:37:38,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:37:38,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:37:38,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:37:38,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570491662] [2021-01-06 18:37:38,733 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:37:38,733 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:37:38,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055232707] [2021-01-06 18:37:38,734 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:37:38,734 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:37:38,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:37:38,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:37:38,734 INFO L87 Difference]: Start difference. First operand 240387 states and 433318 transitions. Second operand 3 states. [2021-01-06 18:37:56,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:37:56,613 INFO L93 Difference]: Finished difference Result 712736 states and 1284863 transitions. [2021-01-06 18:37:56,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:37:56,614 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2021-01-06 18:37:56,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:37:58,173 INFO L225 Difference]: With dead ends: 712736 [2021-01-06 18:37:58,173 INFO L226 Difference]: Without dead ends: 472699 [2021-01-06 18:37:58,422 INFO L677 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 [2021-01-06 18:37:58,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472699 states. [2021-01-06 18:38:20,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472699 to 469253. [2021-01-06 18:38:20,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469253 states. [2021-01-06 18:38:23,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469253 states to 469253 states and 844967 transitions. [2021-01-06 18:38:23,371 INFO L78 Accepts]: Start accepts. Automaton has 469253 states and 844967 transitions. Word has length 92 [2021-01-06 18:38:23,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:38:23,372 INFO L481 AbstractCegarLoop]: Abstraction has 469253 states and 844967 transitions. [2021-01-06 18:38:23,372 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:38:23,372 INFO L276 IsEmpty]: Start isEmpty. Operand 469253 states and 844967 transitions. [2021-01-06 18:38:23,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-01-06 18:38:23,433 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:23,434 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2021-01-06 18:38:23,434 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-01-06 18:38:23,436 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:38:23,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:23,436 INFO L82 PathProgramCache]: Analyzing trace with hash 1618647407, now seen corresponding path program 1 times [2021-01-06 18:38:23,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:23,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837241693] [2021-01-06 18:38:23,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:23,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:23,643 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:38:23,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837241693] [2021-01-06 18:38:23,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:38:23,644 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-01-06 18:38:23,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735307663] [2021-01-06 18:38:23,644 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 18:38:23,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:23,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 18:38:23,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-01-06 18:38:23,645 INFO L87 Difference]: Start difference. First operand 469253 states and 844967 transitions. Second operand 10 states. [2021-01-06 18:38:44,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:38:44,349 INFO L93 Difference]: Finished difference Result 479473 states and 861779 transitions. [2021-01-06 18:38:44,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-01-06 18:38:44,349 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 93 [2021-01-06 18:38:44,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:45,691 INFO L225 Difference]: With dead ends: 479473 [2021-01-06 18:38:45,691 INFO L226 Difference]: Without dead ends: 476651 [2021-01-06 18:38:45,848 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=367, Invalid=965, Unknown=0, NotChecked=0, Total=1332 [2021-01-06 18:38:46,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476651 states.